Page 1 GL840 USER’S MANUAL MANUAL NO.GL840-UM-154...
Page 3: To Ensure Safe And Correct Use
Conventions Used in This Manual To promote safe and accurate use of the GL840 as well as to prevent human injury and property damage, safety precautions provided in this manual are ranked into the five categories described below. Be sure you understand the difference between each of the categories.
Page 4: Safety Precautions
GL840 and then • connect its male plug into the electrical socket. Use of the GL840 in such status may result in a fire hazard • For grounding, use a ground wire with a diameter of at least or electrical shock.
Page 5 Safety Precautions Safety Precautions CAUTION Do not use or store the GL840 in a location exposed to Do not place the receptacles containing fluid onto this direct sunlight or the direct draft of an air conditioner device or close to this device.
Page 6 • • It will cause the electric shock. It will cause the electric shock. • Ensure that the GL840’s power source is positioned so that it can easily be disconnected. Strict observance Watch out for Strict observance Watch out for...
Page 7 Use prohibited Use prohibited This GL840 is not meant for use with lifesaving devices or devices with mission-critical high reliability or high safety requirements (medical devices, aerospace devices, shipping devices, nuclear power devices, etc.). In the event that this GL840 causes injury or property damage when used under these circumstances,...
Page 9: Introduction
Moreover, use of the GL840 by incorrect procedures may result in damage to the GL840 or may invalidate its safeguards. Please confirm all of its notes regarding use and other related information to ensure correct use.
Page 10 This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. 4. Notes for Safe Operation (1) Be sure to use the Graphtec-supplied AC adapter. In environments where there is a lot of noise or where the power supply is unstable, we recommend that you ground the GL840.
Page 11 (6) Measured results may not conform to the stated specifications if the GL840 is used in an environment which is subject to strong electromagnetic interference. (7) Insofar as possible, position the GL840 input signal cables away from any other cables which are likely to be affected by electromagnetic interference.
Page 12 • The 3-axis Acceleration/Temperature Sensor (GS-3AT) conforms to the IP54 standards, but the GL840 does not conform to the IP54 standards. When connecting the GS-3AT to the GL840, it cannot be used as a product that conforms to the IP54 standards.
Page 13: Notes On The Use Of This Manual
(1) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior written permission of Graphtec Corporation. (2) The specifications and other information in this manual are subject to change without notice.
Page 15: Table Of Contents
CONTENTS CONTENTS To Ensure Safe and Correct Use ..........Safety Precautions .
Page 16 2.25 When Fixing the GL840 Body ........
Page 17 CONTENTS Accessories/Optional Accessories ........4-10 4-10 Control Software .
Page 19: Chapter 1 General Description
CHAPTER 1 General Description CHAPTER 1 General Description This chapter provides a general description of the GL840 and its features. PRODUCT SUMMARY Overview Features Operating Environment Notes on Temperature Measurement Notes on Using the Monitor Changing the Display Language...
Page 20: Overview
100 msec and higher.) • The GL840 is equipped with the relay recording function, and 2GByte or more data can be saved by switching the to the other file without data missing. (When the capacity of one file reaches 2000MB, the...
Page 21: Operating Environment
• Humidity range: 5 to 85%R.H. * When the screwless terminal (B-564SL) is connected to the GL840, it is necessary to use it in the environment of the GL840. (2) Environment (Do not use in the following locations.) •...
Page 22: Warming-Up Before Use
Configuration When in Use Do not use the GL840 standing upright or at an angle. It must always be laid flat or inclined on the stands. <Usage Configuration> Do not block the air vent on the GL840, as this will cause malfunctioning.
Page 23: Notes On Temperature Measurement
Please observe the following precautions when performing temperature measurement. • Do not block the air vents. Always provide a space of at least 30 cm on all sides of the GL840. • For stabilized temperature measurement, allow the GL840 to warm up for at least 30 minutes after turning it on.
Page 25: Chapter 2 Checks And Preparation
CHAPTER 2 Checks and Preparation CHAPTER 2 Checks and Preparation This chapter explains how to check the GL840's external casing and accessories, and how to prepare the GL840 for operation. PRODUCT SUMMARY Checking the Outer Casing Checking the Accessories Nomenclature and Functions...
Page 26: Checking The Outer Casing
CHAPTER 2 Checks and Preparation 2.1 Checking the Outer Casing After unpacking, check the GL840's outer casing before use. In particular, please check for the following: • Surface scratches • Other flaws such as stains or dirt 2.2 Checking the Accessories After unpacking, check that the following standard accessories are included.
Page 27: Nomenclature And Functions
CHAPTER 2 Checks and Preparation 2.3 Nomenclature and Functions This section describes the names and function of parts of the GL840. AC adapter jack Operation status LED GS sensor and terminal/ adapter connection terminal External input/output terminals • POWER ON when the power is ON...
Page 28: Connecting The Power Cable And Turning On The Power
Connect the other end of the cable to ground. (4) Plug the AC cable into the mains power outlet. (5) Press the power switch on the GL840 to the ON side to turn on the power. Always connect the GND terminal after referring to the safety precautions.
Page 29 (3) Connect the DC input side to the DC power supply. Be sure to check the polarity of the wire tips when performing wiring. (4) Press the power switch on the GL840 to the ON side to turn on the power.
Page 30: Connecting The Signal Input Cables
This section describes how to connect the signal input cables. During wiring, confirm that the signal's supply source is turned OFF to prevent electrical shocks. Also, position the GL840 input cable away from any power lines and ground cables. Terminal Configuration and Signal Types (Standard terminal: B-564, Withstand high-voltage high-precision terminal: B-565) Terminal assignment of standard terminal and Withstand high-voltage high-precision terminal is common.
Page 31 CHAPTER 2 Checks and Preparation Item Description Thermocouples K, J, E, T, R, S, B, N, C (WRe 5-26) Resistance bulb Pt100, JPt100, Pt1000 (IEC751) A/D resolution 16-bit (Effective resolution: Approx. 1/40,000 of the +/- range) Filter Off, 2, 5, 10, 20, 40 Filter operation is on a moving average basis.
Page 32 CHAPTER 2 Checks and Preparation b ........Dedicated terminal when connecting resistance bulb * Resistance bulb input terminals A (+) and B (-) are isolated within each channel. Terminal b is shorted within all channels. Item Description Input configuration Isolated input, scanning Measurement range 20, 50, 100, 200, 500 mV/F.S.;...
Page 33: Logic Alarm Cable Connection And Functions
Number of Output channels Output format Open collector output +5 V, 10 KΩ pull-up resistance * See the next page for details on alarm output When the power is turned OFF or ON, the GL840 temporarily becomes the alarm state.
Page 34 CHAPTER 2 Checks and Preparation Internal equivalent circuit of I/O circuit • Alarm output Maximum ratings of the transistor for alarm output VCEO (Collector-emitter voltage) : 30 V IC (Collector current) : 0.5A +5 V PC (Collector dissipation) : 0.2W * The maximum ratings must not be exceeded.
Page 35 CHAPTER 2 Checks and Preparation Wiring Cable tips are bare tips. Perform wiring for the necessary functions. Signal Name Channel Number Wire Color Logic/Pulse Input Orange with red dotted line Orange with black dotted line Grey with red dotted line Grey with black dotted line Alarm output White with red dotted line...
Page 36: Mounting The Sd Card
CHAPTER 2 Checks and Preparation 2.7 Mounting the SD CARD • When the SD CARD is inserted, make sure that the card is not locked. If locked, the data cannot be captured. • Please do not remove the SD CARD while accessing to the SD CARD (Device Access display is displayed in "red"...
Page 37 CHAPTER 2 Checks and Preparation How to remove the SD CARD < SD CARD > (1) Make sure that the SD CARD displayed on the screen is green, and then remove it. (2) Remove the SD CARD protective cover. (3) The SD CARD is unlocked by pushing gently the SD CARD. Then, remove the SD CARD. The SD CARD on the screen is displayed in red while accessing to the SD CARD (Device Access display is displayed in "red"...
Page 38: Installing The Cover (B-578: Option)
To ensure safe and correct use of this device, read this section thoroughly before use. How to attach the Rubber Protector • This cover is dedicated to GL840. It can not be used for other GL series. • To remove the battery pack, first remove rubber protector.
Page 39 CHAPTER 2 Checks and Preparation (3) Make sure that the corners and convexities are properly fitted and adjust the protector so that there is no gap. There is a protrusion (arrow part shown in below figure) on the back side of the rubber protector, put it into the gap of the body and the terminal part.
Page 40: Installing The Wireless Unit (B-568: Option)
CHAPTER 2 Checks and Preparation 2.9 Installing the Wireless Unit (B-568: Option) To connect the GL840 to the wireless LAN, insert the wireless unit in the SD CARD slot. This section describes the installation procedure using the wireless LAN unit (B-568).
Page 41 CHAPTER 2 Checks and Preparation (4) Align the wireless LAN unit to the wireless unit terminal and the wireless unit fixed guide and then insert the wireless LAN unit until the unit is locked. Wireless LAN unit When the wireless LAN unit has been inserted, please be careful when handling so as not to hit and drop. Removing the wireless LAN unit Turn OFF the power and then remove the wireless LAN unit.
Page 42: Connecting To A Pc
Use the USB or LAN Interface to connect the GL840 to a PC. Connection Using a USB Cable (1) The GL840 complies with the EMC Directive in the state when the supplied ferrite core is attached to the USB cable.
Page 43 CHAPTER 2 Checks and Preparation LAN Connection Use a LAN cable to connect the GL840 to a PC. LAN cable Cable Types • Use a crossing cable when connecting directly to a PC, without using a hub. LAN cable (crossing) GL840 •...
Page 44 Option)”. 1. Access point (operating as a base unit): When connecting the GL840 to the GL100-WL (up to 5 units) or PC/Smartphone via the wireless LAN, the following devices and the operating environment are required. • PC and Smartphone which can connect to the wireless LAN...
Page 45: Using The Battery Pack (B-569: Option)
CHAPTER 2 Checks and Preparation 2.11 Using the Battery Pack (B-569: Option) • The B-569 (optional) is the only battery type that can be used with the GL840. • Refer to the specifications (Page 4-11) for information on the battery run time.
Page 46 Battery pack x 2: approx. 10 hours The battery pack is charged by mounting it in the GL840, attaching AC adapter to the GL840. (1) Mount the battery pack in the GL840 (see "Mounting the Battery Pack" in the previous page for the mounting procedure.).
Page 47: Connecting The Humidity Sensor (Optional)
Do not use the sensor in a strong electrolyte envronment. Measured results may not satisfy to the stated. • The optional humidity sensor power BOX (B-542) is required to use 2 to 10 humidity sensors. • 5V OUT terminal on the GL840 is available for only one humidity sensor. 2-23...
Page 48: Removing And Mounting Each Terminal
The Screwless terminal can be removed and attached in the same way. When mounting or removing the standard terminal or Withstand high-voltage high-precision terminal, please make sure that the GL840’s power is turned OFF. Removing Pull out the terminal in the direction of the arrow while pressing the lock portion (place) under the Standard terminal or the Withstand high-voltage high-precision terminal.
Page 49 Insert the lock tabs at the top of the standard terminal or the Withstand high-voltage high-precision terminal into the slots of the GL840, and push in the terminal until the lock tabs at the bottom of the terminal are securely locked.
Page 50: Mounting The Extension Terminal Base (Optional) And Extension Terminal Cable (Optional)
2.14.1 Mounting the extension terminal base This section describes how to mount the extension terminal base. When mounting the extension terminal base on the GL840, please make sure that the GL840’s power is turned OFF. Prepare the sold separately extension terminal base and the extension terminal connection cable.
Page 51 * Connect in accordance with the connector shape. Extension terminal connection cable (4) Connect one end of the extension terminal connection cable to the terminal connector on the GL840. * Insert the extension terminal connection cable until the cable is securely locked.
Page 52: Mounting Multiple Extension Terminals
2.14.2 Mounting multiple extension terminals The mounting procedure of the multiple extension terminal set is described. Make sure the GL840’s power is OFF when mounting the extension terminals on the GL840. Prepare the sold separately extension terminal base and extension terminal connection cable.
Page 53 • How to remove the expansion terminal connection cable Lock release lever When you want to remove the expansion terminal connection cable from the GL840 or extension terminal base, please note the following. • Always press the both sides of the lock release lever and pull out straightly in a state where the lock is released.
Page 54 CHAPTER 2 Checks and Preparation When adding the extension terminal bases Unit 10 (CH 181 to 200) Unit 2 (CH 21 to 40) Unit 1 (CH 1 to 20) • When the terminals are added, please connect continuously them without disconnected terminals. If there is a disconnected terminal, subsequent terminals are not recognized.
Page 55 • When removing the extension terminal connection cable from the GL840 or the extension terminal base, please note the following: • Please always pull out straightly in a state where the both sides of the lock release lever are pushed.
Page 56: Precautions To Observe When Performing Measurement
CHAPTER 2 Checks and Preparation 2.15 Precautions to Observe When Performing Measurement • Do not apply radio-frequency signals with high voltage (50 KHz or above). • Be sure to use only the AC adapter provided as a standard accessory. The rated power supply range for the adapter is 100 to 240 VAC, and the rated frequency is 50/60 Hz.
Page 57 CHAPTER 2 Checks and Preparation When using the Standard terminal (GL840-M/B-564) or the Screwless terminal Please be sure to read the following carefully in order to prevent electric shocks or shorts. • Maximum input voltage If a voltage exceeding the specified value is input, the semiconductor relay in the input section will be damaged.
Page 58 CHAPTER 2 Checks and Preparation When using the Withstand high-voltage high-precision terminal (GL840-WV and B-565) • Maximum input voltage If a voltage exceeding the specified value is input, the semiconductor relay in the input section will be damaged. Never input a voltage exceeding the specified value even for a moment.
Page 59: Noise Countermeasures
Connect the signal chassis GND to the measurement device chassis ground. Use a short, thick lead to connect the chassis GND of the measurement object to the GL840’ chassis GND. It will become even more effective if the ground potentials are the same.
Page 60: Connecting The Temperature And Humidity Sensor (Gs-Th) (Optional)
• Connect firmly the temperature and humidity sensor’s connector to the GL840's GS sensor and terminal / adapter connection terminal (GS-INPUT). • Turn On the GL840’s power and make sure that the sensor settings are displayed on the AMP Setting screen.
Page 61: Connecting The 3-Axis Acceleration / Temperature Sensor (Gs-3At) (Optional)
If the sensor’s mounting is loose, it will give inaccurate readings. < Extension cable > The module can be used approx. 1.5 m away from the GL840 by using an extension cable for GS (GS-EXC). However, you cannot connect and use multiple extension cables.
Page 62: Connecting The 4Ch Voltage / Temperature Terminal (Gs-4Vt) (Optional)
The damage of the connected cable and connector or the drop of the GL840 may be caused. < Extension cable > The module can be used approx. 1.5 m away from the GL840 by using an extension cable for GS (GS-EXC). However, you cannot connect and use multiple extension cables.
Page 63 The connecting procedure of the signal input cable is described. During wiring, confirm that the signal's supply source is turned OFF to prevent electrical shocks. Also, position the GL840 input cable away from any power lines and ground cables. 1. Voltage input Thermocouple + ........High-voltage terminal (terminal input on the input signal’s high-voltage side)
Page 64 When measuring the temperature, please pay attention to the following. • Do not block the air vents of the GL840. Leave a clear space of at least 20 cm around it. • When rapid temperature change occurs in the input terminals, the error may occur on the measurement.
Page 65: Connecting The 4Ch Thermistor Terminal (Gs-4Tsr) (Optional)
The damage of the connected cable and connector or the drop of the GL840 may be caused. < Extension cable > The module can be used approx. 1.5 m away from the GL840 by using an extension cable for GS (GS-EXC). However, you cannot connect and use multiple extension cables.
Page 66 During wiring, confirm that the signal's supply source is turned OFF to prevent electrical shocks. Also, position the GL840 input cable away from any power lines and ground cables. Connect the GS thermistor sensor (GS-103AT-4P (Type A) or GS-103JT-4P (Type J) each sold separately) to the +/-.
Page 67 CHAPTER 2 Checks and Preparation Regarding Maximum Input Voltage To avoid break-downs or short-circuiting accidents, please make sure to abide by the items written below. In case the input voltage exceeds the specifications, the circuit at the input part will break down. Please do not input it.
Page 68: Connecting The Illumination / Ultraviolet Sensor (Gs-Lxuv) (Optional)
• Connect firmly the illumination / ultraviolet sensor’s connector to the GL840's GS sensor and terminal / adapter connection terminal (GS-INPUT). • Turn On the GL840’s power and make sure that the sensor settings are displayed on the AMP Setting screen.
Page 69: Connecting The Co2 Sensor (Gs-Co2) (Optional)
• Connect firmly the CO2 sensor’s connector to the GL840's GS sensor and terminal / adapter connection terminal (GS-INPUT). • Turn On the GL840’s power and make sure that the sensor settings are displayed on the AMP Setting screen. 1. Hook portion 2.
Page 70: Connecting The Adapter For Ac Current Sensor (Gs-Dpa-Ac) (Optional)
The damage of the connected cable and connector or the drop of the GL840 may be caused. < Extension cable > The module can be used approx. 1.5 m away from the GL840 by using an extension cable for GS (GS-EXC). However, you cannot connect and use multiple extension cables.
Page 71 CHAPTER 2 Checks and Preparation Connecting procedure of the AC current sensor 1. Connect the AC current sensor (GS-AC ** A, sold separately) to the module. Connecting : Insert the connector in until it locks in. Disconnecting : Pull the connector out while pressing down on the lock portion on the bottom with your finger.
Page 72: Connecting The Branch Adapter For Gs (Gs-Dpa) (Optional)
• Be sure to connect two types of digital sensors to the Branch Adapter for GS. • Connect firmly the branch adapter for GS to the GL840 sensor connection terminal (GS-INPUT). * After connecting the branch adapter for GS to the GL840, the digital sensor is not recognized even if the digital sensor is connected.
Page 73 (GS-TH) Branch adapter for GS (GS-DPA) GL840 main module 2. Combined CO2 sensor and temperature and humidity sensor measurement Composite measurement can be done by using the CO2 sensor (GS-CO2) and the temperature and humidity sensor (GS-TH) (each sold separately).
Page 74 Composite measurement can be done by using the CO2 sensor (GS-CO2) and the illumination / ultraviolet sensor (GS-LXUV) (each sold separately). It is not possible to be used by connecting two same sensors. CO2 sensor Illumination / Ultraviolet sensor (GS-CO2) (GS-LXUV) Branch adapter for GS (GS-DPA) GL840 main module 2-50...
Page 75: When Fixing The Gl840 Body
2.25 When Fixing the GL840 Body Fixing the GL840 body When fixing the GL840 body to prevent the dropout of the GL840, the two nuts on the back must be used. * Recommended tightening torque: 14kgf/cm When fixing the GL840, it must be installed in horizontal state rather than in vertical or inclined state.
Page 76: Setting The Date And Time
2.26 Setting the Date and Time If you are using the GL840 for the first time, charge the internal rechargeable battery and then make the date and time settings. If the GL840 is not used for a period of approximately six months, the internal rechargeable battery may be discharged and the date and time may revert to the initial settings.
Page 77: Chapter 3 Settings And Measurement
CHAPTER 3 Settings and Measurement CHAPTER 3 Settings and Measurement This chapter describes the setting and measurement procedures for the GL840. PRODUCT SUMMARY Window names and functions Key Operation Operation Modes Setting Menus WEB Server Function List of Error Codes...
Page 78: Window Names And Functions
: Displayed when the data is captured to the SD CARD (SD2). : Displayed when performing the capturing stop process. : Appears when the GL840 waits for you to press the [Start/Stop] key to stop it after data capture. : Displayed when the data in the internal memory (SD1) is replayed.
Page 79 : Accessed to the internal memory (SD1) During accessing to the internal memory (SD1), the POWER LED blinks. Please do not turn Off the GL840’s power while accessing the internal memory (SD1). The data is damaged, and it will not be accessed.
Page 80 During accessing to the SD CARD, the POWER LED blinks. Please do not remove the SD CARD and do not turn Off the GL840’s power when accessing the SD CARD. The data is damaged, and it will not be accessed.
Page 81 CHAPTER 3 Settings and Measurement 10. AC/battery status indicator : Running on AC or DC power supply. : Running on the battery. The remaining battery power is 100 to 91%. : Running on the battery. The remaining battery power is 90 to 61%. : Running on the battery.
Page 82 CHAPTER 3 Settings and Measurement 13. Alarm display area Displays the alarm output terminal status. The number with which an alarm has occurred is displayed in red. The channel with the alarm cause has a red input value in the digital display area. 14.
Page 83 CHAPTER 3 Settings and Measurement 19. Data capture bar (1) During data capture Displays the elapsed time and the internal memory (SD1) and SD CARD usage status. Elapsed time Remaining time for data capture Amount of internal memory and Remaining amount of internal SD CARD used memory and SD CARD used Total amount of internal memory and SD CARD...
Page 84: Key Operation
* When optional GS sensor and terminal/addapter are connected, they are displayed in the following group. When the wireless LAN unit (optional) is installed in the GL840 and the GL100-WL is connected to the GS sensor and terminal/addapter through the wireless LAN, they are displayed in the last group.
Page 85 CHAPTER 3 Settings and Measurement (2) SPAN/TRACE/POSITION Switches the information in the digital display. Used to change the settings related to waveform display during Free Running (when stopped), data capture and data replay. Pressing this key will switch displays as shown below. MONITOR SPAN POSITION...
Page 86 CHAPTER 3 Settings and Measurement (5) QUIT (LOCAL) This key is primarily used for the following operations. • To cancel a setting during menu configuration. • To return to the MONITOR screen when the SPAN/TRACE/POSITION screen is displayed. • To cancel remote status (in which keys are disabled) through interface control. •...
Page 87 2. While pressing the GL840 [START/STOP] key, turn ON the power. 3. The external storage media is recognized by the PC and data exchange becomes possible. * In USB Drive Mode, the display on the GL840 becomes as follows: •...
Page 88 To exit the replay display, press the [QUIT] key. For CSV-formatted data, only the data captured by this GL840 can be replayed. Also, when the data captured in CSV format is replayed, the unit of the temperature data is displayed in “deg C”...
Page 89 CHAPTER 3 Settings and Measurement (11) DISPLAY This key is used to switch the screen mode. When running free-running (when the recording is stopped), data capturing, and data replaying during the capture, the screen mode can be switched. Pressing this key switches the screen display as follows: <When free-running and data capturing>...
Page 90 <2-screen replay display> <Integrated bar graph display> For CSV-formatted data, only the data captured by this GL840 can be replayed. Also, when the data captured in CSV format is replayed, the unit of the temperature data is displayed in “deg C”...
Page 91 CHAPTER 3 Settings and Measurement (13) FILE This key is used to perform the file-related operations. • Performs the operations (copy and delete, etc.) for the internal memory (SD1) and SD CARD (SD2). • Performs the screen copy • Saves all data or data between cursor A and cursor B during replay (can be set during replay only) •...
Page 92 CHAPTER 3 Settings and Measurement 3. Select the “Wireless LAN Settings” and then press the [ENTER] key to display the following menu screen. This screen is displayed only when optional wireless unit is installed. In this screen, you can set the basic settings for wireless connection (connection to wireless sensor/remote terminal or connection to wireless LAN base unit (Router), etc.).
Page 93: Operation Modes
CHAPTER 3 Settings and Measurement 3.3 Operation Modes You can check the system operation status in the status message display. < Free Running > < Capturing > <Replaying while capturing data> < Replaying > Operation Description Simple message display Free Running Startup status, or data is not being captured.
Page 94 CHAPTER 3 Settings and Measurement (1) Free Running In free-running, you primarily perform the settings for data capture. You can check the currently input signal in the waveform or digital value. Main operations available during Free Running Measuement parameters settings The [MENU] key is used to change various setting items in configuration menus.
Page 95 CHAPTER 3 Settings and Measurement (2) Capturing The remaining capacity of memory (Remaining time more than 99999 hours is Time of Capturing displayed as "++++:++:++".) Capture destination and file name The captured data is saved in the internal memory (SD1) or SD CARD (SD2) during data capture. You cannot use the [MENU] key to change the setting.
Page 96 Copy the screen with the [FILE] key. For CSV-formatted data, only the data captured by this GL840 can be replayed. Also, when the data captured in CSV format is replayed, the unit of the temperature data is displayed in “deg C”...
Page 97: Setting Menus
CHAPTER 3 Settings and Measurement 3.4 Setting Menus When you press the [MENU] key during Free Running, the following menu screens appear. DATA TRIG WLAN ※1 OTHER * When optional wireless unit is not installed, these menu screen are not displayed. (1) AMP settings This menu is used to specify input signal-related settings.
Page 98 CHAPTER 3 Settings and Measurement Setting Selections available Illumination / Range [Illuminance] / [Accumulated 2000, 20000lx, 200klx ultraviolet sensor illuminance] (GS-LXUV) [Ultraviolet] / [Accumulated 30mW/cm fixed ultraviolet] Filter None CO2 sensor Range 5000ppm fixed (GS-CO2) Filter None Adapter for AC Range AC clamp mode AC 1P2W, AC 1P3W, AC 3P3W...
Page 99 CHAPTER 3 Settings and Measurement Setting Selections available Logic/Pulse Off, Logic, Pulse [Logic] Filter Off, On Misc. Waveform 0 to 31 for each of red, green, blue (RGB) color setting Trace Off, On setting [Pulse] Input Off, Revolution counts, Counts, Inst. Filter Off, On Slope...
Page 100 CHAPTER 3 Settings and Measurement Switching displays Analog and logic/pulse can be switched as shown below. • Display Logic/Pulse Data • Display Analog Data Analog settings Specifies the conditions for analog signals. When you use CH ALL to set an input, range and filter, all channels are set to the same values if the input is the same.
Page 101 CHAPTER 3 Settings and Measurement Available SPAN Settings <Voltage Ranges> Range Maximum SPAN Minimum SPAN Minimum Resolution 20mV -22.000 to +22.000mV 0.200mV 0.001mV 50mV -55.00 to +55.00mV 0.50mV 0.01mV 100mV -110.00 to +110.00mV 1.00mV 0.01mV 200mV -220.00 to +220.00mV 2.00mV 0.01mV 500mV -550.0 to +550.0mV...
Page 102 A moving average is calculated 20 times per sampling interval. A moving average is calculated 40 times per sampling interval. <Filter processing> Filter processing performed on the GL840 is the moving average shown in the following figure. If the filter setting is 5, The moving average is “D=((n-4)+(n-3)+(n-2)+(n-1)+ n)÷5”.
Page 103 The Scaling function performs calculation using a ratio of the Meas. Value and EU Output Value settings. • The digital display shows “++++/----” when the converted value cannot be processed by the GL840. • The span may be changed depending on the Scaling settings.
Page 104 CHAPTER 3 Settings and Measurement (1)-6 Misc. Setting object Setting Description Voltage, (1) Annotation Settings Set the annotation (comment) displayed in the CH. humidity, (2) Inter-CH Op Settings Sets what to do in calculation between channels. acceleration Four arithmetic operations (+, -, x, ÷) can be set as calculation between settings channels.
Page 105 CHAPTER 3 Settings and Measurement Setting Description (3) Scaling /1000000, /1000, ×1, ×1000, ×1000000 Sets the scaling factor for a calculation result. <Example> In the case of calculation result = 0.001 In the case of calculation result = 1000 Calculation result ×1 = 0.001 Calculation result ×1 = 1000 Calculation result ×1000 = 1 Calculation result / 1000 = 1...
Page 106 Bit 20 to 23: Wireless sensor 4 data Bit 24 to 27: Wireless sensor 5 data • If a remote terminal (GLT400) is connected as a remote unit of the GL840, the logic/pulse input function of the remote terminal is not available. 3-30...
Page 107 The Scaling function performs calculation using a ratio of the Meas. Value and EU Output Value settings. • The digital display shows “++++/----” when the converted value cannot be processed by the GL840. • The span may be varied depending on the scaling settings.
Page 108 Performs the setting related to the input of temperature and humidity sensor. The Setting screen is displayed at the end of the group by connecting the temperature and humidity sensor and turning On the GL840’s power. (1)-13 Input settings Setting Description The input signal is not measured.
Page 109 Performs the setting related to the input when connecting the 3-axis acceleration / temperature sensor. The Setting screen is displayed at the end of the group by connecting the 3-axis acceleration / temperature sensor and turning On the GL840’s power. (1)-17 Input setting This is used to select the input conditions.
Page 110 CHAPTER 3 Settings and Measurement (1)-19 Range setting This is used to select the range to be measured. 1ch is used for temperature only, 2ch to 4ch are used for acceleration range. Setting Description 100°C fixed range 2ch to 4ch 2, 5, 10G;...
Page 111 Performs the setting related to the input of 4ch voltage / temperature terminal. The Setting screen is displayed at the end of the group by connecting the 4ch voltage / temperature terminal and turning On the GL840’s power. (1)-22 Input setting This is used to select the input conditions.
Page 112 The fastest sampling speed of the GL100-WL and GS sensor is 500 ms. When the sampling speed of the GL840 is faster than 500 ms, there is a possibility that the error between the value captured in 500 ms by the GL100-WL and GS sensor and the pulse captured by the GL840 may occur, in order to execute the calculation processing within the sampling interval of GL840.
Page 113 The fastest sampling speed of the GL100-WL and GS sensor is 500 ms. When the sampling speed of the GL840 is faster than 500 ms, there is a possibility that the error between the value captured in 500 ms by the GL100-WL and GS sensor and the pulse captured by the GL840 may occur, in order to execute the calculation processing within the sampling interval of GL840.
Page 114 Performs the setting related to the input to the illumination / ultraviolet sensor. The Setting screen is displayed at the end of the group by connecting the illumination / ultraviolet sensor and turning On the GL840’s power. (1)-34 Input setting This is used to select the input conditions.
Page 115 Performs the setting related to the connection of CO2 sensor. The Setting screen is displayed at the end of the group by connecting the CO2 sensor and turning On the GL840’s power. (1)-38 Input setting This is used to select the input conditions.
Page 116 CHAPTER 3 Settings and Measurement (1)-39 Range setting The CO2 range is fixed. Setting Description 5000ppm fixed range (1)-40 EU setting This is used to unit-convert the measurement signal. Refer to “(1)-5 EU (Scaling settings)” in “3.4 Setting Menus”. (1)-41 Other settings The following settings can be performed.
Page 117 Performs the setting related to the input of adapter for AC current sensor. The Setting screen is displayed at the end of the group by connecting the adapter for AC current sensor and turning On the GL840’s power. (1)-42 Input setting This is used to select the AC clamp mode.
Page 118 CHAPTER 3 Settings and Measurement (1)-45 Other setting The following settings can be performed. Setting Description Annotation text string Set the annotation (comment) displayed in the CH. Program Inter-CH Set the contents of Program Inter-CH calculation. calculation Four arithmetic operations (addition (+), subtraction (-), multiplication (x), division (÷)) can be used for the Program Inter-CH calculation.
Page 119 When the two types of sensors are connected, the information that can be input to the 1ch to 4ch and 5ch to 8ch is displayed. In this GL840, 1ch to 4ch correspond to the temperature and humidity sensor and 5ch to 8ch correspond to the illumination / ultraviolet sensor.
Page 120 Make sure that the wireless sensor to be used is in wireless LAN state by connecting the GS sensor and terminal/adapter. The number of units that can be connected to the GL840 as a remote unit is up to 5 including the wireless sensors (GL100-WL) and the remote terminals (GLT400).
Page 121 Please consider the data lag when the data is tried to confirm and replay. For details on the wireless connection between the GL840 and GL100-WL, refer to “(4) Interface settings” in “3.4 Setting Menus” and the example of operating procedures.
Page 122 If you switch the display with the "CH GROUP" key and the CH display is "RT", the remote terminal screen is displayed. The remote terminal settings are the same as the GL840 AMP settings, so refer to "3.4 Setting Menus" - "(1) AMP setting" for the setting method.
Page 123 CHAPTER 3 Settings and Measurement (2) DATA settings This is used to specify capture-related items and calculations. Setting Selections available Sampling 10, 20, 50, 100, 125, 200, 250, 500ms, 1, 2, 5, 10, 20, 30s, 1, 2, 5, 10, 20, 30min, 1h * Available sampling intervals vary depending on the input settings and the number of channels to be used.
Page 124 *2: When the temperature setting is performed in 10, 20, or 50 ms sampling interval, the data capture cannot be performed. *3: The number of measuring channels of the sampling interval at which the digital filter is effective when the remote terminal is connected is the number of channels for each of the GL840 and the remote terminal. •...
Page 125 (1) File Type Sets the file format used to save data. GBD : Creating a data file in Graphtec's proprietary binary format * It is not possible to change the data. CSV : Creating a data file in text format (2) Name Type Sets how a data file should be named.
Page 126 CHAPTER 3 Settings and Measurement (2)-3 Ring capture setting • Ring Capture Function Setting Description (1) Ring/Relay capture Set the capture function. Off: The capture function is disabled. Ring: Perform the ring recording. (For details, refer to the following figure.) Relay: Data is captured consecutively for each file of up to 2000MB continuously.
Page 127 CHAPTER 3 Settings and Measurement • Relay Capture Function < Relay capture > Setting Description (1) Ring/Relay capture Set the capturing function. off: Capturing function is not used. Ring: Ring capture is performed. (For details, refer to the figure below.) Relay: Data is captured consecutively for each file of up to 2000 MB continuously.
Page 128 (The channels of the GS sensor and terminal/adapter as well as wireless sensor and remote terminal are not included.) (2)-6 Backup setting The GL840 has a function that periodically backs up captured data. (See the figure below) Automatic backup to an FTP server...
Page 129 Sets the folder for saving a backup file. * This must be a folder on the internal memory (SD1), SD CARD (SD2) or an FTP server. Example: \GRAPHTEC\20091205 If ring capture is On, the backup function is not available. It takes a time for writing after recoding was stopped when many channels are recoding, when interval sampling is fast, when backup interval is long, because the backup data size becomes large.
Page 130 CHAPTER 3 Settings and Measurement (2)-7 Statistical calculation setting Two types of calculations can be performed on all channels. This section explains setting what to do in statistical calculation. Setting Description Calculation is not performed. Average Displays the simple average value of the data during data capture. Displays the maximum value of the data during data capture.
Page 131 CHAPTER 3 Settings and Measurement (3) TRIG settings This is used to specify trigger conditions and alarms. Setting Selections available Start Side Source Settings Off, Level, Alarm, External Input, Time, Day, Duration [Level] Mode Analog: Off, H, L, Window In, Window Out Logic: Off, H, L Pulse: Off, H, L, Window In, Window Out Combination...
Page 132 CHAPTER 3 Settings and Measurement (3)-1 Start side source setting This is used to specify trigger conditions to start data capture. Selection item Description Starts capturing data unconditionally when you press the [Start/Stop] key. Level Starts capturing data when a specified level is reached. ->...
Page 133 The repeat function is enabled. After one capture is ended, the next capture is started (If the start side source setting is not Off, the GL840 waits for a trigger). Also, when setting to the specified time, the date and time must be set. However, when the repeat function is enabled (On), the specified time is changed to the time display.
Page 134 CHAPTER 3 Settings and Measurement Trigger level settings/Alarm level settings Specifies detailed conditions for each channel when the start and stop side source settings are Level. The configuration of the level trigger is as shown in the figure below. CH n Mode Level CH n...
Page 135 CHAPTER 3 Settings and Measurement Level and Edge operations In the Level operation, a trigger is assumed to be generated if the trigger conditions are met when the [START] key is pressed. In the Edge operation, a trigger is not assumed to be generated even if the trigger conditions are met when the [START] key is pressed.
Page 136 CHAPTER 3 Settings and Measurement Dead zones of trigger and alarm levels Trigger and alarm levels are provided with a dead zone in order to prevent false detection due to noise. The following figure shows the dead zone. <Mode: Rising> Trigger (alarm) point Trigger (alarm) level Dead zone level...
Page 137 CHAPTER 3 Settings and Measurement (4) Interface settings This menu is used to specify conditions for PC connection. Selection item Description USB ID 0 to 9 settings Wired LAN IP address automatic acquisition On, Off settings IP address 0 to 255. 0 to 255. 0 to 255. 0 to 255 (Only when not using IP address automatic acquisition) Detailed...
Page 138 CHAPTER 3 Settings and Measurement Selection item Description Remote unit Connection I/F Wired LAN, Wireless LAN settings Connection remote unit Wireless sensor, remote terminal, list When setting Number WL: 1 to 5 wireless LAN RT: 1 to 5 Connect Off, On Unit name, identification name Enter the character string Search...
Page 139 CHAPTER 3 Settings and Measurement Selection item Description Email Email send Destination Enter up to 63-character string settings setting setting CC1 to CC3 Enter up to 63-character string Subject Enter up to 63-character string Notification Alarm Off, On settings Low Battery Off, On Off, Onn communication...
Page 140 Sets the USB ID number of GL840. Specify a number from 0 to 9 (default value: 0). To control more than one GL840 unit with one PC, assign a unique USB ID to each of them. (4)-2 Wired LAN settings This is the settings for connecting the GL840 to Ethernet unit.
Page 141 It takes some time to display. • Access point (operated as base unit) This is the settings for connecting between the GL840 and the separately sold Petit LOGGER GL100-WL (up to 5 units) via wireless LAN. • Station (operated as remote unit) This is the settings for controlling from a PC and transferring data to a PC after connecting to the separately sold wireless LAN base unit.
Page 142 WPS of the wireless LAN unit to be connected. PIN code method • When GL840 is set to access point: Obtain the PIN code of the wireless LAN remote unit and enter it in the "PIN code" field on the "Easy connection (WPS)"...
Page 143 Station settings When connecting to the commercially available wireless LAN base unit and controlling multiple GL840s from PC, the e-mail send/receive function of the GL840 and Internet connection are available. (The following conditions is required to use them.) • PC connectable to Wireless LAN.
Page 144 CHAPTER 3 Settings and Measurement (3) Search the SSID. Press the key. The searched SSID list is displayed after searching the SSID. In Step (2), when the SSID is selected from this list, the SSID will be automatically reflected. (4) Set the encryption method. WEP or WPA-PSK/WPA2-PSK settings can be performed.
Page 145 The GL840 can be connected to wireless sensor (GL100-WL) or remote terminal (GLT400). In the access point setting, this function must be set when the GL840 operates as a base unit. When selecting the wireless LAN as a station and then restarting the wireless LAN, the following screen is displayed.
Page 146 The maximum number of channels on the remote terminal (GLT400) is 200 channels, including the number of analog channels on the GL840. Even if the channel inputs are switched to Off, the channels are included in the total number of channels.
Page 147 CHAPTER 3 Settings and Measurement <Example of operation procedure>: Example of wireless LAN connection to wireless sensor (GL100-WL) The wireless connection method when setting the GL840 to “Access Point” and the GL100 to “Station” is described. [WLAN setting] (1) Set the wireless LAN to "Access point".
Page 148 "OK" to apply the settings. After completing the settings, turn off the power of the GL840 and then turn on the power of the GL840. When the connection is completed, the following is displayed and the connection is completed.
Page 149 CHAPTER 3 Settings and Measurement [Wired LAN settings] (1) Set the IP address automatic acquisition to "Off". (2) Set the IP address etc. as follows: • IP address: 192.168.0.1 • Subnet mask: 255.255.255.0 • Port number: 8023 • Gateway: 0.0.0.0 •...
Page 150 After confirming the unit name and the number of AMP terminals, press "OK" to apply the settings. After completing the settings, turn off the power of the GL840 and then turn on the power of the GL840. When the connection is completed, the following is displayed and the connection is completed. While the GL840 is loading the GLT400 settings, the remote terminal icon shows the loading progress rate.
Page 151 CHAPTER 3 Settings and Measurement (4)-5 Other settings Set the network-related settings in the other settings. New Line code Specifies the line feed code. Selection item Description CR+LF Starts a new line with CR+LF code (default value). Starts a new line with LF code. Starts a new line with CR code.
Page 152 CHAPTER 3 Settings and Measurement FTP server settings Make the settings to make the GL840 function as an FTP server. (1) (2) (3) (4) Description (1) Anonymous connection Set whether to allow Anonymous connection. Disable: Do not allow Anonymous connection.
Page 153 CHAPTER 3 Settings and Measurement E-mail settings Perform the settings to send the e-mail from the GL840. The e-mail with the notification setting information (Alarm, Low Battery, Low communication strength, Free space in the internal memory (SD1) or SD CARD (SD2) (only when data capturing) is sent. In addition, when setting to the Periodic notification, the e-mail will be sent in the set time.
Page 154 SMTP port number Set the SMTP port number to from 0 to 65535. Time zone Set the time zone for the region to be used in the GL840. SMTP SMTP Set the SMTP authentication method from Off, POP before SMTP, or...
Page 155 Sets the time zone of an area in which the GL840 is to be used. (Japan: +09:00) (4) Synchronized Time Sets the time at which the GL840 synchronizes to the NTP server. When the specified time comes, time synchronization operation is performed using a method specified in Synchronization Mode.
Page 156 Turns off the display if not operated for some time to extend the service life of the LCD screen. If the GL840 runs on a battery pack (B-569, option), the use of this function prolongs the drive time. 3-80...
Page 157 Burnout check is disabled. Periodical burnout check is conducted. During a burnout check, voltage is applied to the GL840. Therefore, set Burnout to “Off” when GL840 is connected in parallel with other devices to avoid any effect from these voltages.
Page 158 When saving a file with software etc, checksum does not match. (5)-10 Date/Time Makes settings related to the GL840 clock. The internal clock (date and time) of the GL840 can be set. (5)-11 Language Set the display language (9 languages of Japanese, English (US), English (UK), French, German, Chinese, Korean, Spanish and Russian).
Page 159 CHAPTER 3 Settings and Measurement (5)-13 Information Displays system information. (5)-14 Demo Waveform This parameter displays demo waveforms without analog signal input. Selection item Description The demo waveform is not displayed. The demo waveform is displayed. 3-83...
Page 160 CHAPTER 3 Settings and Measurement (6) FILE menu The operations for file can be performed by pressing the [FILE] key. The display items vary depending on the operation mode of free-running, replaying, and capturing. <Free Running Status> <Replay or Double-Screen Replay Status> <Capture Status>...
Page 161 Setting Description (1) File Type Sets the file format used to save data. GBD: Creating a data file in Graphtec's proprietary binary format. * Data tampering can be prevented. CSV: Creating a data file in text format. (2) Name Type Sets how a data file should be named.
Page 162 (1) Press the [FILE] key to open the FILE menu. (2) Press the [ENTER] key in “Remove/Switch SD CARD 2”. File Menu GL840-M/GL840-WV (3) Make sure that the message is displayed and then remove the SD CARD. Do not remove the SD CARD until this message is displayed.
Page 163 Number part : File creation date * The file is created on February 1,2015, 12:34:56 in this example. CND : Data format (GL840 setting file format) User : Data is captured to a file with an entered file name. Sequential number : A file is created with an arbitrary file name that has been entered, followed by a sequential number.
Page 164 CHAPTER 3 Settings and Measurement (6)-7 Load Settings Loads and reflects the GL840 setting conditions from a file. Setting Description (1) Folder Specify the save destination folder. Refer to "(7) File box" for details. (2) File Name Specify the save destination folder. Refer to "(7) File box" for details..
Page 165 CHAPTER 3 Settings and Measurement (7) File box The file box used to set captured data files using the DATA menu or for disk operations accessed using the FILE menu is operated as follows. <File box by disk operations> Description Moves between folders.
Page 166 CHAPTER 3 Settings and Measurement <Example of operation procedure> The following shows an operation example where a folder named "TEST" is created for captured data and automatically saved. <Data capture setting menu> (1) Select the DATA menu. (2) Open the capturing setting menu by pressing the [ENTER] key on the “Capture destination file name” in the Record Settings In this menu, set as follows: File format : GBD...
Page 167 CHAPTER 3 Settings and Measurement (8) Character string input Related to text input operations such as annotation, EU (scaling) unit and captured data file name input. <New folder creation> Operation mode Description Operation method (1) Selecting Upper case alphabet mode When the cursor key is moved to the uppermost part, operation operation can be selected using the left/right key (...
Page 168 When checksums match: "Checksum matched" In case of checksum mismatch: "Checksum mismatched" For CSV-formatted data, only the data captured by this GL840 can be replayed. "Checksum verification" is displayed only when selecting a GBD file to which a checksum is attached. For details on how to add a checksum, refer to "3.4 Setting Menu"...
Page 169 CHAPTER 3 Settings and Measurement Setting Selections available Data search CH1 to 200, Logic, Pulse, Alarm * Logic and Pulse are displayed only if the Logic Pulse function is On in the AMP settings. [CH1 to CH200]/GS/WL CH1-200, GS1 to 8, WL1-1 to WL5-8 [Logic] Logic1-28 [Pulse]...
Page 170 CHAPTER 3 Settings and Measurement (9)-5 Cursor Sync Sets up the function that moves two cursors in synchronization. Selection item Description Cursors are not synchronized. Only the specified one cursor moves. Two cursors move in synchronization. Cursor A is always the fulcrum. * Cursor Synch is turned Off when you move a cursor using Move to Selected Position or perform Data Search.
Page 171 CHAPTER 3 Settings and Measurement (9)-9 Execute (Calculation) Executes calculation between cursors. Executing this option opens a window to display calculation results. For description of the calculation results, see the table below. Pressing the [FILE] key opens a window for saving statistical calculation results.
Page 172 CHAPTER 3 Settings and Measurement (10) Integrated bar graph display By capturing after connecting the integrated CH display possible GS sensor to this GL840 midi LOGGER (or after wireless-connecting to the GL100 that the GS sensor has been connected), the captured data can be displayed on the Integrated Bar Graph screen.
Page 173 CHAPTER 3 Settings and Measurement Data detailed display area Page unit display Capture bar display Legend display Summation in page display Scale display Time in page display Selected integrated value display Maximum and minimum values display Setting items Description Page unit display The bar graph is displayed in page unit.
Page 174 CHAPTER 3 Settings and Measurement Bar graph display area Bar graph scale Cursor display Setting items Description Bar graph display The integrated data is displayed in bar graph. The number of displayed bars depends on the page unit. Bar graph scale The scale of the time axis is displayed.
Page 175 The "Rates" column in the data can be input by dedicated software. But, it cannot be input when the data is saved in CSV format in this GL840 midi LOGGER. 3-99...
Page 176 CHAPTER 3 Settings and Measurement (11) NAVI menu The “MENU” screen is displayed by pressing the [NAVI] key during free-running. When you operate in accordance with the instructions displayed on the screen, the capturing, trigger, and wireless LAN, etc. can be set.
Page 177 The setting procedure varies depending on the other setting item. However, you can set them by operating in accordance with the instructions displayed on the menu. To connect the wireless sensor or the remote terminal to the GL840, you must turn off the power of the GL840. Follow the following procedure to connect it.
Page 178 CHAPTER 3 Settings and Measurement (12) Quick settings <Free Running> <Replay data> (12)-1 (12)-3 (12)-2 Screen Operation mode Sign Description Waveform Free Running SAMPLE Using the key, change the sampling interval. ZONE Using the key, change the zone division. Capturing ZONE Using the key, change the zone division.
Page 179 CHAPTER 3 Settings and Measurement (13) To cancel key lock by password A password can be set to GL840 to cancel the key lock. (No password is set at factory default.) <Operation flow> 1. Set the password. Press the , , and ENTER keys at the same time to display the password setting screen shown below.
Page 180: Web Server Function
• IP address ... Enter in the IP address of the GL840 to monitor. • Port number ..Specify the port number. The port number is the number set to the GL840 main unit, or router, etc. • Index.html ..This is the file name. This file name is fixed to index.html.
Page 181 Zoom ........Enlarges only the LCD screen of GL840. Digital ........Displays the GL840 measured value digitally. Download of device file ..Allows data captured with GL840 to be downloaded to your PC via FTP. (This function may not be available due to restrictions on the web browser.) Site web Graphtec ....
Page 182 CHAPTER 3 Settings and Measurement Zoom CH GROUP ......Digital values for 10 channels are displayed on a single screen. Press this key to display the next group consisting of 10 channels. DISPLAY ......Switches the display mode. Press this key to switch among Waveform + Digital, Expanded Waveform, and Digital screens.
Page 183 Download of device file The captured data in the internal memory (SD1) or SD CARD (SD2) of the GL840 can be downloaded to the To display the FTP site in the Explorer from the figure above, press the Alt key and click the "View" and then click the "Open FTP site with Explorer".
Page 184 Refer to the following for the initial value for each anonymous connection settings. Anonymous connection User name Password Restrictions Disable GL840 GL840 None Enable anonymous Read-only When connecting to the FTP server with an Internet browser, it may be prohibited depending on the Internet browser software.
Page 185: List Of Error Codes
CHAPTER 3 Settings and Measurement 3.6 List of Error Codes If an error code is displayed on the GL840, please handle errors in reference to the table below. Error code Description Unexpected error Please contact us. File not found. The operation target is not a folder.
Page 187: Chapter 4 Specification
CHAPTER 4 Specification CHAPTER 4 Specification This chapter describes the basic specifications for the GL840. PRODUCT SUMMARY Standard Specifications Function Specifications Accessories/Optional Accessories External Dimensions...
Page 188: Standard Specifications
CHAPTER 4 Specification 4.1 Standard Specifications Standard Specifications Item Description Number of analog channel Maximum 200ch available for 20ch/1 terminal or extension unit Analog terminal unit type • Standard terminal • Withstand High-voltage high-precision terminal • Screwless terminal GS sensor and terminal/adapter One module connection terminal * Optional (GS sensor and terminal / adapter ) connections only...
Page 189: Memory Devices
Control of wireless sensor GL100GL100-WL, Data capture (only when connected to the wireless LAN: up to 5 units) Ethernet functions Web server functions: Displays the screen image of the GL840 with a browser, and (10BASE-T/100BASE-TX) operates the GL840. FTP server function: Transfer and delete the captured data in the internal memory (SD1) or SD CARD (SD2).
Page 190: Gl840-M: B-564 / B-564Sl
20 channels (Up to 200 channels when using with the expansion terminal base) channels * Between GL840 and terminal and between terminals can be direct-connected or with an expansion terminal connection cable (sold separately) Screwless terminal 20 channels (Up to 200 channels when using with the expansion terminal base)
Page 191 CHAPTER 4 Specification Item Description • Temperature range Temperature Type Resolution Measurement Range range 100℃ F.S. 0.01℃ 0 to 100℃ 500℃ F.S. 0.05℃ 0 to 500℃ 2000℃ F.S. 0.1℃ R : 0 to 1600℃ S : 0 to 1760℃ 500℃ F.S. 0.05℃...
Page 192: Gl840-Wv: B-565
Number of input channels 20ch (200ch available when used with the extension terminal base) * Possible to direct-connect or connect with the extension terminal connection cable (sold separately) between the GL840 and terminal base, or between terminal bases. Input terminal type...
Page 193 CHAPTER 4 Specification Item Description • Temperature range Temperature Type Resolution Measurement Range range 100℃ F.S. 0.01℃ 0 to 100℃ 500℃ F.S. 0.05℃ 0 to 500℃ 2000℃ F.S. 0.1℃ R : 0 to 1600℃ S : 0 to 1760℃ 500℃ F.S. 0.05℃...
Page 194: Function Specifications
The captured data is continuously captured by files separated in the set relay unit without losing data. Replaying data GBD/CSV-formatted data file (only data captured in this GL840) Calculation between CHs Calculation type: Four arithmetic operations (+, -, ×, ÷)
Page 195: External Input/Output Functions
GS-3AT: 3-axis acceleration / temperature sensor GS-4VT: 4CH voltage / temperature terminal * The items above are optional accessories. Sampling: 500 ms to 1 hour * Specific setting is not required. It is synchronized to the setting of the GL840.
Page 196: Accessories/Optional Accessories
The e-mail is sent to the specified address when the alarm monitor is performed. Accessories Item Remarks Quantity Quick Start Guide GL840-UM-85x CD-ROM User's Manual, Application software AC cable/AC adapter 100 to 240 VAC, 50/60 Hz Ferrite core Used to attach to the USB cable.
Page 197: Battery Pack B-569 (Option)
CHAPTER 4 Specification Battery Pack B-569 (Option) Item Description Capacity 7.2V/2900mAh Battery type Lithium secondary battery Running time Up to two packs can be mounted <When LCD is ON> Battery pack x 1 (brightness MAX): approx. 3 hours Battery pack x 2 (brightness MIN): approx. 6 hours <When LCD is OFF>...
Page 198: List Of Options
AC current sensor (200A) GS-AC200A GS-DPA-AC-dedicated CT (200A) Module extension cable GS-EXC 1.5 m extension cable (Between the GL840 and sensor, between the branch adapter and sensor) *1 Allowable temperature range: -25 to +80°C *2 It is available in limited region. 4-12...
Page 199: External Dimensions
CHAPTER 4 Specification 4.4 External Dimensions GL840-M (with standard terminal) (without attaching rubber protection cover) 52.5 2-M4 thread (L5*) * When rubber protection cover is attached, required screw length is 8 mm (L8). Unit: mm Dimension precision: Error ± 3 mm...
Page 200 CHAPTER 4 Specification GL840-WV (Withstand high-voltage high-precision terminal) (without attaching rubber protection cover) 52.5 2-M4 thread (L5*) * When rubber protection cover is attached, required screw length is 8 mm (L8). Unit: mm Dimension precision: Error ± 3 mm Terminals Unit: mm Dimension precision: Error ±...
Page 201 CHAPTER 4 Specification GL840 + B-564SL (Screwless terminal) (without attaching rubber protection cover) 52.5 2-M4 thread (L5*) * When rubber protection cover is attached, required screw length is 8 mm (L8). Unit: mm Dimension precision: Error ± 3 mm 4-15...
Page 203: Index
INDEX INDEX Sign 3-axis Acceleration / Temperature Sensor ..3-33 Data capture bar ......4ch Thermistor Terminal .
Page 204 INDEX 2-14 How to attach the Rubber Protector ....Operating Environment ......How to insert the SD CARD .
Page 205 INDEX 3-11 START/STOP ....... 3-54 Statistical calculation setting ....Status mark .
Page 207 Specifications are subject to change without notice. GL840 User's Manual GL840-UM-154 January 5, 2021 1st edition-01 GRAPHTEC CORPORATION...

GRAPHTEC GL840 User Manual

CHAPTER 1 General Description

CHAPTER 2 Checks and Preparation

CHAPTER 3 Settings and Measurement

CHAPTER 4 Specification

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