Vaisala CARBOCAP GM70 User Manual
Vaisala CARBOCAP GM70 User Manual

Vaisala CARBOCAP GM70 User Manual

Hand-held carbon dioxide meter
Hide thumbs Also See for CARBOCAP GM70:
Table of Contents

Advertisement

Quick Links

USER'S GUIDE
Vaisala CARBOCAP® Hand-Held
Carbon Dioxide Meter
GM70
M010139EN-G

Advertisement

Table of Contents
loading

Summary of Contents for Vaisala CARBOCAP GM70

  • Page 1 USER'S GUIDE Vaisala CARBOCAP® Hand-Held Carbon Dioxide Meter GM70 M010139EN-G...
  • Page 2 English versions are applicable, not the translations. The contents of this manual are subject to change without prior notice. This manual does not create any legally binding obligations for Vaisala towards customers or end users. All legally binding obligations and agreements are included exclusively in the applicable supply contract or the General Conditions of Sale and General Conditions of Service of Vaisala.
  • Page 3: Table Of Contents

    License Agreement ..........12 Warranty ..............12 CHAPTER 2 PRODUCT OVERVIEW ............13 ® Introduction to Vaisala CARBOCAP Hand-Held Carbon Dioxide Meter GM70 ..... 13 Basic Features of the GM70....... 13 Interchangeable Probes ........14 Tool for Adjustments .......... 14 Parts Description..........
  • Page 4 USER'S GUIDE ______________________________________________________ CHAPTER 5 BUTTONS, DISPLAYS, AND MENUS ........23 Buttons and Navigation........23 Basic Display............24 Graphical Display..........25 Menus..............25 CHAPTER 6 SETTINGS ................27 Setting Actual Pressure Value and Unit....27 Setting Actual Temperature Value and Unit ..28 Display Settings ............29 Display Units............29 Rounding ............30 Hold/Save Display ..........30 Graphic History ...........30...
  • Page 5 ___________________________________________________________________ CHAPTER 9 FIELD CHECKING OF FIXED TRANSMITTERS....43 Field Checking of the Vaisala GMW115 and GMD/W20 Series Transmitters (Diffusion Sampling)..........43 Field Checking of the Vaisala GMD/W20 Series Transmitters (Pump Aspirated Sampling) ..45 Field Checking of the GMT220 or GMM220 (Without a Display) ..........
  • Page 6 USER'S GUIDE ______________________________________________________ CHAPTER 13 TECHNICAL DATA ..............61 GM70 Hand-Held Carbon Dioxide Meter .....61 General ...............61 Electromagnetic Compatibility......61 GMP221/222 Probes..........61 GMH70 Handle, GM70PUMP.........63 MI70 Indicator ............63 Indicator General ..........63 Battery Pack ............64 Accessories............65 Dimensions in mm (inch) ........66 ______________________________________________________ M010139EN-G...
  • Page 7 Measuring Ranges ..........61 Table 6 Accuracy Specifications.......... 62 Table 7 Other Specifications ..........62 Table 8 General Specifications..........63 Table 9 General Specifications..........63 Table 10 Battery Pack Specifications ........64 Table 11 Accessories Table ..........65 VAISALA ___________________________________________________________...
  • Page 8 USER'S GUIDE ______________________________________________________ This page intentionally left blank. ______________________________________________________ M010139EN-G...
  • Page 9: Chapter 1 General Information

    This chapter provides general notes about this manual and the Product. About This Manual This manual provides information for installing, operating, and ® maintaining Vaisala CARBOCAP Hand-Held Carbon Dioxide Meter GM70. Contents of This Manual This manual consists of the following chapters: - Chapter 1, General Information, provides general notes about this manual and the Product.
  • Page 10: Version Information

    Note highlights important information on using the product. NOTE Safety ® The Vaisala CARBOCAP Hand-Held Carbon Dioxide Meter GM70 delivered to you has been tested for safety and approved as shipped from the factory. Note the following precautions: Do not modify the unit. Improper modification can damage the product CAUTION or lead to malfunction.
  • Page 11: Esd Protection

    Dispose of batteries and the unit according to statutory regulations. Do not dispose of with regular household refuse. Trademarks Vaisala CARBOCAP® is a registered trademark of Vaisala Oyj. Windows® is a registered trademark of Microsoft Corporation in the United States and/or other countries.
  • Page 12: License Agreement

    USER'S GUIDE ______________________________________________________ License Agreement All rights to any software are held by Vaisala or third parties. The customer is allowed to use the software only to the extent that is provided by the applicable supply contract or Software License Agreement.
  • Page 13: Chapter 2 Product Overview

    CO gas and displays the result in the units of ppm or percentage %. The exceptional stability and reliability performance of the GM70 comes from the advanced silicon based Vaisala CARBOCAP® sensor. Basic Features of the GM70 - Both numerical and graphical displays...
  • Page 14: Interchangeable Probes

    USER'S GUIDE ______________________________________________________ Interchangeable Probes By selecting the right probe you can choose the measuring range that best fits for your application. The calibrated measuring ranges varies from 0...2000 ppm to 0 ... 20% concentrations of CO . Refer to Chapter 2, Product Overview, on page 13 and Chapter 13, Technical Data, on page 61 for more details.
  • Page 15: Parts Description

    Chapter 2 _____________________________________________ Product Overview Parts Description 0505-221 Figure 1 GM70 Parts The following numbers refer to Figure 1 above: MI70 indicator Recharger connector Connector ports I and II for probes and cables VAISALA __________________________________________________________...
  • Page 16: Probes

    USER'S GUIDE ______________________________________________________ Probe GMP221 or GMP222 Probe fastener Handle GMH70 Adjustment button Gas outlet ON/OFF switch 10 = Gas inlet 11 = Measuring chamber 12 = Probe GMP221 or GMP222 13 = Probe connector 14 = Connector to MI70 indicator Probes The GMP220 series probes can be used with the GM70.
  • Page 17: Preparations Before Use

    - Duration of recharging depends on the charge level of the battery pack being 4 hours typical. The recommended first recharging time is 6 hours. The battery pack is full when the battery symbol stops to roll. Disconnect the recharger. VAISALA __________________________________________________________...
  • Page 18: Turning On And Setting Language, Date, And Time

    USER'S GUIDE ______________________________________________________ Turning On and Setting Language, Date, and Time Connect the probe handle (or the connector from the GM70PUMP) to either of the connector ports of the indicator. Press the button. Select the language by using buttons. Confirm by pressing SELECT date.month.year The default date presentation format is:...
  • Page 19: Measuring Carbon Dioxide

    15 minutes to reach the full operating state of the GM70. Install the probe to the measuring position. Avoid exhaling near the probe as this increases the CO concentration. The basic display opens, allow the reading to stabilize. VAISALA __________________________________________________________...
  • Page 20: Taking Measurements (Pump Aspirated Sampling With Gm70Pump)

    USER'S GUIDE ______________________________________________________ Handle the probe carefully. Strong impact or falling can damage the CAUTION probe. POWER ON/OFF If you need to disconnect the probe, first press button to turn the indicator OFF. This ensures that all settings and data are saved properly.
  • Page 21: Figure 2 Properly Connecting The Gm70Pump

    When using the pump aspirated system it is recommended to power the NOTE system by using the recharger connected to a wall socket. The battery indicator of the MI70 display does NOT show the actual NOTE recharge level when the pump is in operation. VAISALA __________________________________________________________...
  • Page 22: Measuring Other Parameters Simultaneously

    USER'S GUIDE ______________________________________________________ Measuring Other Parameters Simultaneously Connect Vaisala interchangeable dewpoint (DMP) or humidity (HMP) probe to the MI70 indicator's other connector port to have simultaneous humidity measurement. Connect the DMP70/HMP70 probe to the other connector port in the bottom of the indicator.
  • Page 23: Buttons, Displays, And Menus

    Buttons and Navigation 0505-224 Figure 4 MI70 Indicator Buttons The following numbers refer to Figure 4 above: To open a menu view: - Press an arrow button - Press this shortcut button Shortcut buttons Arrow buttons Power ON/OFF VAISALA __________________________________________________________...
  • Page 24: Basic Display

    USER'S GUIDE ______________________________________________________ POWER ON/OFF Press down and hold the button (1) until the indicator turns on/off. SHORTCUT Press the buttons (2) to activate the function above the button. ARROW Press any of the buttons (3) to open the path for the MENUS MENUS ARROW...
  • Page 25: Graphical Display

    MENU not open the shortly. If this happens, start with item 1 again. Move in the menus by using buttons. Select the item with button. Press to return to the previous level. EXIT returns back to normal operation. VAISALA __________________________________________________________...
  • Page 26: Figure 6 Menus

    USER'S GUIDE ______________________________________________________ 0505-226 Figure 6 Menus The following numbers refer to Figure 6 above: Main menu Display menu Functions menu Recording/Viewing menu Environment menu Settings menu _____________________________________________________ M010139EN-G...
  • Page 27: Chapter 6 Settings

    Select pressure value, press , press Set the pressure value by using buttons. Press save the value. UNIT Press to change the pressure unit. Default unit is hPa. EXIT Press to return to the basic display. 0505-227 Figure 7 Environment Menu VAISALA __________________________________________________________...
  • Page 28: Setting Actual Temperature Value And Unit

    USER'S GUIDE ______________________________________________________ Setting Actual Temperature Value and Unit For achieving the most accurate measurements, the actual temperature value should be set to the GM70. The acceptable temperature range is - 20...60ºC. Follow the instructions below: MENU OPEN. Open the , press ►Environment Select...
  • Page 29: Display Settings

    Press , if you want to check the environment settings, otherwise press Measurement units (ppm and %) express the CO concentration by gas NOTE volume. 1% CO = 10 000 ppm CO VAISALA __________________________________________________________...
  • Page 30: Rounding

    USER'S GUIDE ______________________________________________________ Rounding When using % units, you can select two or three decimal display by using the Rounding function. The default setting is rounding off (= three decimal display). MENU OPEN. Open the , press ►Display Select , press Rounding Select Press...
  • Page 31: User Interface

    Select the language you want, press EXIT Press to return to the basic display. If you accidentally select a wrong language, first go back to the basic display by pressing (right) as many times as required, then go to the VAISALA __________________________________________________________...
  • Page 32: Automatic Power Off

    USER'S GUIDE ______________________________________________________ language selection menu by pressing: (middle) , (middle). Automatic Power Off As shipped from the factory, the GM70 has a default setting which turns the power off automatically after 15 minutes of inactivity. This is to save the battery.
  • Page 33: Key Click And Backlight On Key Press

    2002-02-01. To change the date, select and press . Change the date by using arrow buttons. To confirm the date, D.M.Y press. . If you want to change the format, select M/D/Y (date.month.year) or date format (month/day/year), press ON/OFF VAISALA __________________________________________________________...
  • Page 34: Device Information

    Device Information Displays The following numbers refer to Figure 11 above: Software version of the MI70 indicator Serial number of the MI70 indicator Software version of the probe Location of the last adjustment (alternatives: Vaisala, GM70, or GMK220) _____________________________________________________ M010139EN-G...
  • Page 35: Reverting Factory Settings

    2. For example, if you want to set ON the alarm when concentration exceeds 1000 ppm, set the first level as 0 ppm and the second level as 1000 ppm. When alarming is ON, GM70 starts to beep and display backlight starts to blink. VAISALA __________________________________________________________...
  • Page 36 USER'S GUIDE ______________________________________________________ MENU OPEN. Open the , press ►Settings Select , press ►Alarm Select , press Select the first limit, press (if the alarm function is ON, take it OFF). Set the alarm level by using arrow buttons. Press save the setting.
  • Page 37: Analog Output Connection

    Accessories on page 65. One scalable voltage signal channel 0...1.0V is available. You can scale the output to any output range but it is recommended to have the scaling within the probe's measuring range to get accurate measurements. VAISALA __________________________________________________________...
  • Page 38 USER'S GUIDE ______________________________________________________ Connect the analog output signal cable connector to the indicator base connector. Connect the screw terminal block as follows: Brown wire: common wire (-) Yellow-green wire: signal (+) MENU OPEN. Open the , press ►Functions Select , press ►Analog output Select , press...
  • Page 39: Chapter 8 Recording Data

    , (alternatively open the , select ►Recording/Viewing ►Record data Select , press Interval To change interval, select , press Select the measurement interval with the arrow buttons. The measurement intervals and the maximum recording times are shown in the following table. VAISALA __________________________________________________________...
  • Page 40: Stopping Recording

    USER'S GUIDE ______________________________________________________ Measurement interval Maximum recording duration (= memory full) 1 second 45 minutes 5 seconds 3 hours 15 seconds 11 hours 30 seconds 22 hours 1 minute 45 hours 5 minutes 9 days 15 minutes 28 days 30 minutes 56 days 1 hour 113 days...
  • Page 41: Viewing Recorded Data

    The data memory can be cleared as follows: MENU OPEN. Open the , press ►Recording/Viewing Select , press Clear data memory CLEAR Select , press . Press to confirm deletion of all recorded data files. EXIT To return to the basic display, press VAISALA __________________________________________________________...
  • Page 42: Transferring Recorded Data To Pc

    CD. Follow the installation instructions on the CD. Check that the USB cable is not connected. The MI70 Link Setup Wizard will install Vaisala MI70 Link on your computer. Installing the USB instrument driver can take a few minutes.
  • Page 43: Field Checking Of Fixed Transmitters

    Chapter 9 ______________________________ Field Checking of Fixed Transmitters CHAPTER 9 FIELD CHECKING OF FIXED TRANSMITTERS This chapter describes the field checking of fixed transmitters. Field Checking of the Vaisala GMW115 and GMD/W20 Series Transmitters (Diffusion Sampling) 0505-235 Figure 15 Location of the MI70 Connector Ports...
  • Page 44 Compare the readings. In case there is a need for an adjustment, send the transmitter to a Vaisala Service Center to be adjusted. The GMD/W20 transmitters can be adjusted also by using a calibration software kit (19222GM).
  • Page 45: Transmitters (Pump Aspirated Sampling)

    Turn on the MI70 indicator and the GM70PUMP. Compare the readings. In case there is need for an adjustment, send the transmitter to a Vaisala Service Center to be adjusted or make an adjustment by using a calibration software kit (19222GM).
  • Page 46: Field Checking Of The Gmt220 Or Gmm220 (Without A Display)

    Compare the readings of the GM70 and the transmitter probe to be checked. If there is need for an adjustment, please contact Vaisala Service Center or adjust the probe according to the instructions in Chapter 10 Calibrating and Adjusting the Probes on page 47.
  • Page 47: Calibrating And Adjusting The Probes

    Factory Calibration and Adjustment It is recommended to send the GM70 probe to Vaisala Service Centers for accurate calibration and adjustment, see section Product Returns on page 60.
  • Page 48: Calibration And Adjustment By The User

    USER'S GUIDE ______________________________________________________ Calibration and Adjustment by the User The GM70 can be calibrated and fine control adjustment can be carried out by the user. Note that this adjustment does not correspond to the accurate factory adjustment. The user adjustment is recommended only if the reading error is less than 10% of the measuring range in the low-end and less than 20% of the measuring range in the high-end.
  • Page 49: Adjustment With Reference Gases

    For the adjustment procedure with gases, you need the probe to be adjusted, accurate reference gas(es), a pressure regulator, a flow meter, a field check adapter (can be ordered from Vaisala) and flexible tubing with 3 mm (1/8") inner diameter. See section Accessories on page 65.
  • Page 50: Figure 17 Field Check Adapter

    USER'S GUIDE ______________________________________________________ Insert the probe into the field check adapter until the perforated filter is covered. 0505-237 Figure 17 Field Check Adapter Connect the tubing to the bottom port of the adapter. Connect the adapter with the tubing to the flow meter, the pressure regulator and further to the low-end reference gas bottle.
  • Page 51: One-Point Adjustment Procedure

    The side port of the adapter is left open for gas outflow. Let the reference gas flow and stabilize with a flow rate of 0.6 l/min. Follow the reading of GM70, and after it has stabilized, wait for 6 more minutes. VAISALA __________________________________________________________...
  • Page 52 USER'S GUIDE ______________________________________________________ Take out the screw from the GM70 probe handle to expose the adjustment button (see Figure 16 on page 48). Press the button with a small screwdriver. When pressing the button, the indicator turns to adjusting mode. Press to confirm the adjusting.
  • Page 53: Adjustment With Two Probes

    Go back and press to select the adjustment method. To same as CO2 SELECT Select , press BACK-EXIT Adjustment is complete. Press to return to the basic display. 8. Replace the screw onto the adjusting button. VAISALA __________________________________________________________...
  • Page 54 USER'S GUIDE ______________________________________________________ This page intentionally left blank. _____________________________________________________ M010139EN-G...
  • Page 55: Chapter 11 Error Messages

    This message can be caused by a considerable high drifting error of the probe. Please, contact Vaisala or send the probe to Vaisala Service, see sections Technical Support and Product Returns on page 60. Value too high The reference concentration can be at the highest 110% of the maximum value of the probe's measuring range.
  • Page 56 Switch off power and check that the probe is connected properly, Adapter error see the instructions of Probe error. In case of continuous error, contact Vaisala or send the probe to Vaisala Service, see sections Technical Support and Product Returns on page 60. _____________________________________________________ M010139EN-G...
  • Page 57: Chapter 12 Maintenance

    Tighten the probe fastener. Turn on the GM70. 0505-238 Figure 18 Detaching the Probe The following refers to Figure 18 above: Unscrew the probe fastener (about 5 turns). Pull the probe out firmly. VAISALA __________________________________________________________...
  • Page 58: Changing The Probe Filter

    USER'S GUIDE ______________________________________________________ Changing the Probe Filter Spare filters for the probe can be ordered from Vaisala, see section Accessories on page 65. Remove the plastic grid by pulling it out. Remove the filter paper. Insert a new filter paper and plastic grid.
  • Page 59: Changing The Battery Pack

    Chapter 12 ________________________________________________ Maintenance Changing the Battery Pack New rechargeable battery packs can be ordered from Vaisala. Change the battery pack as follows: Open the back plate of the indicator by opening the screw of the back plate. Remove the old battery pack. Detach the black connector by pulling up carefully from the wires.
  • Page 60: Technical Support

    USER'S GUIDE ______________________________________________________ Technical Support For technical questions, contact the Vaisala technical support by e-mail at helpdesk@vaisala.com . Provide at least the following supporting information: - Name and model of the product in question - Serial number of the product...
  • Page 61: Chapter 13 Technical Data

    Measuring Ranges GMP221 0 … 2%, 0 … 3%, 0 … 5%, 0 … 10%, 0 … 20% GMP222 0 … 2000 ppm, 0 … 3000 ppm, 0 … 5000 ppm, 0 … 7000 ppm, 0 … 10000 ppm VAISALA __________________________________________________________...
  • Page 62: Table 6 Accuracy Specifications

    USER'S GUIDE ______________________________________________________ Table 6 Accuracy Specifications Accuracy (including repeatability, non-linearity and calibration uncertainty) at 25°C and 1013 hPa. Probe Accuracy GMP221 ±[1.5% of range + 2% of reading] Accuracy specification applies for concentrations above 2% of full scale GMP222 ±[1.5% of range + 2% of reading] Property Description / Value...
  • Page 63: Gmh70 Handle, Gm70Pump

    Max number of probes 2 Power supply Rechargeable NIMH battery pack with AC-adapter or 4 x AA size alkalines, type IEC LR6 Analog output 0 ... 1 VDC Output resolution 0.6 mV Accuracy 0.2% full scale Temperature 0.002%/°C full scale dependence VAISALA __________________________________________________________...
  • Page 64: Battery Pack

    USER'S GUIDE ______________________________________________________ Property Description / Value Minimum load resistor 10 kohm to ground PC interface MI70 Link software with USB or serial port cable Data logging capacity 2700 points Logging interval 1 s to 12 h Alarm Audible alarm function Housing classification IP54 Weight 400 g...
  • Page 65: Accessories

    Battery, NiMH 4.8 V 26755 Nafion Membrane tubing 212807GM PC Connection tools MI70 Link software interface kit 219687 including a USB instrument cable for MI70 MI70 Link software interface kit MI70LINK including a serial port cable for MI70 VAISALA __________________________________________________________...
  • Page 66: Dimensions In Mm (Inch)

    USER'S GUIDE ______________________________________________________ Dimensions in mm (inch) 0505-240 Figure 20 Dimensions _____________________________________________________ M010139EN-G...
  • Page 68 *M010139EN*...

Table of Contents