Fluke 5020AThermo-Hygrometer 5020A User Manual
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Fluke 5020AThermo-Hygrometer 5020A User Manual

Fluke 5020AThermo-Hygrometer 5020A User Manual

Thermo-hygrometer
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5020A
Thermo-Hygrometer
Users Manual
December 2003
© 2003 Fluke Corporation, All rights reserved.
All product names are trademarks of their respective companies.

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Summary of Contents for Fluke 5020AThermo-Hygrometer 5020A

  • Page 1 ® 5020A Thermo-Hygrometer Users Manual December 2003 © 2003 Fluke Corporation, All rights reserved. All product names are trademarks of their respective companies.
  • Page 2 Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.

  • Page 3: Table Of Contents

    Chapter Introduction and Specifications ... 1-1 Introduction... 1-3 Symbols Used ... 1-4 Safety Information ... 1-4 Technical Support ... 1-6 Specifications... 1-7 Environmental Conditions ... 1-8 5020A ... 1-8 5026A-H/S... 1-8 AC Adapter... 1-8 General to all ... 1-8 Quick Start ... 2-1 Introduction...
  • Page 4 Users Manual General Operation ... 4-1 Introduction... 4-3 DC Power Source... 4-3 Battery... 4-3 Sensor Configuration ... 4-4 Power Switch ... 4-4 Power On Self-Test... 4-4 Display Contrast ... 4-4 Display... 4-4 Alarm Screen ... 4-4 Measuring ... 4-4 Unit of Temperature... 4-5 Recording Measurements...
  • Page 5 IR... 5-32 Password... 5-32 System Info... 5-34 Digital Communications Interface... 6-1 Introduction... 6-3 Communications ... 6-3 Serial Wiring ... 6-3 Interface Commands ... 6-4 Command Summary... 6-4 Command Syntax ... 6-4 Commands ... 6-12 Alarm Commands... 6-13 Measurement Commands ... 6-22 Data Commands ...
  • Page 6 5020A Users Manual...
  • Page 7 Table 5-1. Field Types... 5-10 5-2. Aproximate Data Storage Capacity... 5-15 6-1. Interface Commands ... 6-4 7-1. 5026A-S Temperature Calibration Points ... 7-3 7-2. 5026A-S Relative Humidity Calibration Points... 7-3 7-3. 5026A-H Temperature Calibration Points ... 7-4 7-4. 5026A-H Relative Humidity Calibration Points ... 7-4 8-1.
  • Page 8 5020A Users Manual...
  • Page 9 Figure 3-1. Front Panel ... 3-3 3-2. Top Panel ... 3-4 3-3. Right and Left Side View... 3-5 3-4. Back Panel... 3-6 5-1. Main Display... 5-3 5-2. Main Menu ... 5-3 5-3. Channel Menu ... 5-4 5-4. Channel Setting ... 5-5 5-5.
  • Page 10 5020A Users Manual 5-32. File View... 5-24 5-33. Alarm... 5-25 5-34. Alarm Setting ... 5-25 5-35. Sensor Alarm... 5-26 5-36. System Alarm... 5-27 5-37. Alarm View... 5-27 5-38. System Menu... 5-28 5-39. System Setting... 5-28 5-40. Data Time... 5-29 5-41. Comm Setting... 5-31 5-42.

  • Page 11: Introduction And Specifications

    Introduction and Specifications Title Introduction... 1-3 Symbols Used ... 1-4 Safety Information ... 1-4 Technical Support ... 1-6 Specifications... 1-7 Environmental Conditions ... 1-8 5020A ... 1-8 5026A-H/S... 1-8 AC Adapter... 1-8 General to all ... 1-8 Chapter 1 Page...
  • Page 12 5020A Users Manual...

  • Page 13: Introduction

    Introduction This manual contains information necessary safely operate the Fluke 5020A Thermo- Hygrometer. The Fluke 5020A is a low-cost, high-accuracy, digital thermo-hygrometer. Its unique combination of features makes it suitable for a wide variety of applications from laboratory to industrial ambient measurement. Features of the thermo-hygrometer include: Two channels measure ambient temperature to ±0.125 C and %RH to ±1.5%...

  • Page 14: Symbols Used

    5020A Users Manual Symbols Used Table 1-1 lists the International Electrical Symbols. Some or all of these symbols may be used on the instrument or in this manual. Symbol Safety Information Use this instrument only as specified in this manual. Otherwise, the protection provided by the instrument may be impaired.
  • Page 15 The AC adapter can present safety concerns if misused or damaged. To avoid the risk of electric shock or fire, do not use the AC adapter outdoors or in a dusty, dirty, or wet environment. If the cord, case, or plug of the adapter is damaged in any way, discontinue its use immediately and have it replaced.

  • Page 16: Technical Support

    DO NOT overheat sensors beyond their recommended temperature range. Keep the sensors clean and away from fluids and dust. Technical Support Contact Fluke if you need technical support. When calling, please have the following information ready: Model: 5020A Serial Number...

  • Page 17: Specifications

    Specifications Temperature Range Temperature Accuracy (“H” Model) Temperature Accuracy (“S” Model) Delta Temperature Accuracy Temperature Display Resolution RH Range RH Accuracy (“H” Model) RH Accuracy (“S” Model) Delta Humidity Accuracy RH Display Resolution Inputs Display Memory Alarms Communications Data Card Interface Enclosure Power Battery Backup...

  • Page 18: Environmental Conditions

    5020A Users Manual Size (5020A) Size (Probes) Weight Calibration Environmental Conditions Although the instrument has been designed for optimum durability and trouble-free operation, it must be handled with care. The instrument should not be operated in an excessively dusty, dirty, or wet environment. Maintenance and cleaning recommendations can be found in the Maintenance section of this manual.

  • Page 19: Quick Start

    Chapter 2 Quick Start Title Page Introduction... 2-3 Unpacking... 2-3 Use Proper Care ... 2-3 Learn About the Features and Components... 2-3 Install the Battery... 2-3 Connect the Sensor ... 2-3 Connect the Power Source... 2-4 Switch the Power On ... 2-4 Measure Temperature ...
  • Page 20 5020A Users Manual...

  • Page 21: Introduction

    Wall mount bracket Sensor 9V battery If all items are not present, call your Fluke Authorized Service Center. Use Proper Care First and most important is to understand the safety issues related to the thermo- hygrometer. Carefully read Safety Information.

  • Page 22: Connect The Power Source

    5020A Users Manual Connect the Power Source The thermo-hygrometer draws power from the provided power adapter. Plug the adapter into a wall outlet of the appropriate voltage and insert the DC plug into the DC power input of the thermo-hygrometer. Switch the Power On Power is turned on and off with the power switch located below the stand on the back panel.

  • Page 23: Parts And Controls

    Chapter 3 Parts and Controls Title Page Introduction... 3-3 Front Panel... 3-3 Top Panel ... 3-4 Right Side Panel... 3-4 Left Side Panel... 3-5 Back Panel ... 3-5 Quick Buttons ... 3-6 Configurations ... 3-6 Accessories ... 3-6...
  • Page 24 5020A Users Manual...

  • Page 25: Introduction

    Introduction The functions of the various features of the thermo-hygrometer are described below. Front Panel The front panel buttons E, A, D, B, C and F are used to select and alter the functions of the thermo-hygrometer (see Figure 3-1). The buttons have different functions depending on whether the main screen or the menu system is displayed.

  • Page 26: Top Panel

    5020A Users Manual B C - These buttons are used to change a value or option when editing a parameter. When editing some numeric or alpha-numeric parameters, these buttons are used to move among digits or characters. IR Port - The infrared window provides a means for communicating with the thermo- hygrometer using infrared serial communications (IR COMM mode) or printing measurements and daily statistics to a IrDA-compatible printer (IRDA mode).

  • Page 27: Left Side Panel

    Figure 3-3. Right and Left Side View Left Side Panel The left side panel consists of the DC power socket, the RS-232 port and the data card slot. 12 V DC Power Socket power socket to power the instrument. RS-232 Port Connector computer or terminal using serial RS-232 communications.

  • Page 28: Quick Buttons

    5020A Users Manual Battery Compartment a backup power source to maintain continuous measurement during a power outage. Power Switch hygrometer, including power from the battery. Before disconnecting the AC adapter from the instrument, switch the power off to prevent draining the backup battery. Serial Label Quick Buttons When the main screen is displayed, the buttons have the following functions:...
  • Page 29 Parts and Controls Accessories Model 5026A-S Spare Sensor/Standard Accuracy Model 5027A-S Spare Sensor Kit includes a standard accuracy probe (Model 5026A- S), sensor case (Model 5026A-CASE), sensor wall mount bracket (Model 5030A- MNT), and 25-foot (7.6 m) extension cable (Model Y5028) Model 5026A-H Spare Sensor/High Accuracy Model 5027A-H Spare sensor Kit includes a high accuracy sensor (Model 5026A-H), sensor case (Model 5026A-CASE), sensor wall mount bracket (Model 5030A-MNT),...
  • Page 30 5020A Users Manual...

  • Page 31: General Operation

    Chapter 4 General Operation Title Page Introduction... 4-3 DC Power Source... 4-3 Battery... 4-3 Sensor Configuration ... 4-4 Power Switch ... 4-4 Power On Self-Test... 4-4 Display Contrast ... 4-4 Display... 4-4 Alarm Screen ... 4-4 Measuring ... 4-4 Unit of Temperature... 4-5 Recording Measurements...
  • Page 32 5020A Users Manual...

  • Page 33: Introduction

    Introduction This section explains basic operation of the thermo-hygrometer. Detailed operation of the thermo-hygrometer is explained in Chapters 5 and 6. Chapter 5 explains the menu structure and the functions available in the menu structure and Chapter 6 explains the communications interface for operating the thermo-hygrometer remotely.

  • Page 34: Sensor Configuration

    5020A Users Manual Used batteries must be disposed of properly. See Warnings at the beginning of this manual. Sensor Configuration The thermo-hygrometer can be used with one or two sensors of either type attached at either of the two ports. Extension cables can be used with the sensors to allow the sensors to be placed at remote locations.

  • Page 35: Unit Of Temperature

    Unit of Temperature The thermo-hygrometer is capable of displaying temperature in Celsius (C) or Fahrenheit (F). The unit of temperature applies to temperature measurements on either channel that are displayed, recorded, or printed. Recorded data is viewed, printed, or written to a data card file with the currently set unit of temperature.
  • Page 36 5020A Users Manual objects cannot be eliminated, consider using a heat shield between the heat source and the thermo-hygrometer sensor. The sensor can also be heated by warm objects close by, perhaps a wall that is slightly warmer than the air in the room or even another sensor placed next to it. For best results, allow adequate distance between the sensor and any objects that might be at a different temperature than the air.

  • Page 37: Menu Functions

    Title Introduction... 5-3 Channel Menu... 5-3 Channel Setting ... 5-4 Sensor ID ... 5-5 Sensor Lock... 5-6 Sensor Cal... 5-6 Display Menu... 5-7 Display Setting ... 5-8 Display Layout ... 5-9 Field Data ... 5-9 Graph Scale ... 5-11 Display Reset... 5-12 Data Menu...
  • Page 38 5020A Users Manual Comm Setting... 5-30 Serial ... 5-31 IR... 5-32 Password... 5-32 System Info... 5-34...

  • Page 39: Introduction

    Introduction Select the E button from the front panel to access the main menu of the thermo- hygrometer. The main menu consists of the submenus: CHANNEL, DISPLAY, DATA, ALARM, and SYSTEM. Most of the menu options may be password-protected to prevent them from being changed.

  • Page 40: Channel Setting

    5020A Users Manual Channel Setting The CHANNEL SETTING function allows you to turn the channels on or off, set the measurement period, turn averaging on or off, and set the time over which the rate of change is calculated for measurements. These settings may be password-protected to prevent them from being changed.

  • Page 41: Sensor Id

    Use the A D buttons to select the setting to change. The B C buttons are used to change the setting parameters. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu. Sensor ID The SENSOR ID function allows each sensor to be uniquely identified.

  • Page 42: Sensor Lock

    5020A Users Manual Sensor Lock The SENSOR LOCK function locks each sensor individually and prohibits the user from switching sensors on the locked channels. This may be password-protected. The sensor lock is set to ON or OFF. After selecting ON, a screen is displayed showing the sensor channel number, serial number, and the message ‘NOW LOCKED’.

  • Page 43: Display Menu

    Figure 5-7. Sensor Channel Select The B C buttons are used to edit the parameter value. The A D buttons are used to move between parameters. Press the E button after all of the parameters have been edited. The message ‘STORE VALUES’ is displayed. Press the E button to save the new settings.

  • Page 44: Display Setting

    5020A Users Manual Display Setting The DISPLAY SETTING function allows you to select the temperature display resolution (T RES), humidity display resolution (H RES), decimal preference, unit of temperature and display contrast. These settings may be password-protected. The temperature and humidity display resolutions are selectable between 0, 0.1, 0.01, and 0.001.

  • Page 45: Display Layout

    Display Layout The DISPLAY LAYOUT function allows you configure any of the 16 different display layouts. These settings may be password-protected. A display layout can be enabled or disabled by choosing ON or OFF. ON allows the display to be selected from the main screen using the B C buttons.
  • Page 46 5020A Users Manual Field Type Blank DATE TIME SERN TEMP T RATE T AVE T STD T MIN T MAX T SPR T RMAX T ALAR T DELT RHUM H RATE H AVE H STD H MIN H MAX H SPR H RMAX H ALAR H DELT...

  • Page 47: Graph Scale

    Menu Functions Display Menu avu013.jpg Figure 5-12. Field Data Use the B C buttons to change each of the settings. Press E to save and continue to the next parameter. Press the F button to cancel any changes and exit to the menu. Graph Scale The GRAPH SCALE function allows the selection of the graph settings for each zone (1, 2, 3, or 4).

  • Page 48: Display Reset

    5020A Users Manual Use the E button to edit and save the new setting. Press F button to cancel any changes and exit to the menu. On the last parameter, press the E button to exit to the menu. Display Reset The DISPLAY RESET function allows all display layouts, field data settings and graph scale settings to be reset to original settings.

  • Page 49: Data Menu

    Data Menu The DATA menu contains functions for recording measurement data and statistics as well as transferring data to the data card. The functions that appear in this menu are DATA RECORD, DAILY STATS, and DATA CARD. Use the A D buttons to select the menu. Press the E button to select the menu. Press the F button to cancel any changes and exit to the menu.

  • Page 50: Data Record

    5020A Users Manual When data recording memory fills up, the earliest block of data is automatically discarded so recording of the most recent data can continue. Data Record The DATA RECORD function allows the setting of the data recording features. The functions that appear in this menu are RECORD SETTING, DATA VIEW, DATA PRINT, DATA STORAGE, and DATA CLEAR.

  • Page 51: Data View

    When the memory has been filled, the oldest block of data will be discarded to allow new data to be recorded. Measurement storage capacity can range between 28 hours and 2 years depending on the record period and enabled channels. Refer to Table 5-2, Approximate Data Storage Capacity.
  • Page 52 5020A Users Manual The numeric mode displays the data in a numeric format. The BEGIN parameter specifies the starting date and time of the data to display. Use the B C buttons to adjust the start date and time. The format of the start date is according to D FORM in the SYSTEM, DATE-TIME menu function.

  • Page 53: Data Print

    Press the E button to display the data for the selected starting date and time in graphical format. Press the F button to cancel any changes and exit to the menu. Data Print The DATA PRINT function allows recorded data to be printed over the serial or IR port. The PORT parameter is selectable between SERIAL and IRDA/IRCOMM, depending on the IRMODE setting.

  • Page 54: Data Clear

    5020A Users Manual Press the E or F button to exit. Data Clear The DATA CLEAR function clears the data collected. This function may be password protected. Press the E button to clear the data. Press the F button to cancel any changes and exit to the menu.

  • Page 55: Stats Setting

    Menu Functions Data Menu any hour of the day and automatically reset the statistics on any hour. Measurement statistics are kept as measurements are made. The current statistics can be displayed in any STATS type zone. The statistics can also be stored automatically at the end of the day and reset automatically at the beginning of the next day.

  • Page 56: Stats View

    5020A Users Manual The B C buttons are used to change the setting parameters. Press the E button to save the new setting. Press the F button to cancel any changes and to exit to the menu. Stats View The STATS VIEW function is used to view daily statistics. Select a date and measurement channel and type.

  • Page 57: Stats Reset

    Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu. Stats Reset The STATS RESET function resets current statistics. Statistics will then be based on measurements made from this time forward. After pressing the E button, a WARNING message will appear requesting a confirmation of the operation.

  • Page 58: Data Card

    5020A Users Manual Data Card The DATA CARD function allows data to be written to a file on a data card or data in a binary (.rec) file to be viewed. The DATA CARD options are FILE WRITE and FILE VIEW.

  • Page 59: File View

    In order to view the data using the thermo-hygrometer or the LogWare III software, the data must be saved in BINARY format. Set the BEGIN parameter to the beginning date and time of the data that is to be written to a data card.

  • Page 60: Alarm Menu

    5020A Users Manual To view a file select the file to open by using the A D buttons and press E. You may choose between numeric and graphic format. To view data in numeric format, select NUMERIC in the mode field using the A D buttons and press E. Use the du buttons to scroll through the data (you can go back three screens) and the B C buttons to scroll among data blocks.

  • Page 61: Alarm Setting

    The A D buttons are used to select the menu option. The B C buttons are used to change the parameter setting. Press the E button to save the new setting. Press the F button to cancel any changes made and exit to the menu. Alarm Setting The ALARM SETTING function is used to enable or disable visible and audible alarm notifications.

  • Page 62: Sensor Alarm

    5020A Users Manual Sensor Alarm The SENSOR ALARM function allows the setting of the alarm parameters for each channel. To set alarm parameters, a channel number and measurement type (T or H) must first be selected using B C and ENTER buttons. The PARAM parameter is selectable between 1/T, 1/H, 2/T, 2/H.

  • Page 63: Alarm View

    The A D buttons are used to select the menu option. The B C buttons are used to change the parameter setting. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu. Alarm View The ALARM VIEW function displays alarm occurrences.

  • Page 64: System Setting

    5020A Users Manual The A D buttons are used to select the menu option. The B C buttons are used to change the parameter settings. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu. System Setting The SYSTEM SETTING function allows you to change the temperature measurement unit.

  • Page 65: Date Time

    Menu Functions System Menu Date Time The DATE TIME function is used for setting the time-of-day clock, time format, date, and date format. This may be password protected using the TIME password parameter in the PASSWORD menu functions. When this function is selected available parameters are HOUR, MINUTE, SECOND, T FORM, DAY, MONTH, YEAR, D FORM, and DAYL S.

  • Page 66: Comm Setting

    5020A Users Manual occur with the North America daylight saving mode if the daily stats record time is 01:00, since this time will occur twice in one day. Another effect is with viewing data on a graph in real time. Data is plotted on the graph sequentially as measurements are made and the graph is scrolled uniformly.

  • Page 67: Serial

    The B C buttons are used to change the parameter setting. Press the E button to save the new setting. Press the F button to cancel any changes and exit to the menu. Serial When the SERIAL port is selected, the parameters for the serial port are displayed beneath the PORT selection.

  • Page 68: Password

    5020A Users Manual serial port. Echo mode ON is useful when using terminal emulation software on a computer to communicate with the instrument. Selecting OFF disables echoing. Echo mode OFF is commonly used when using control software on the computer. The SER PER parameter allows the user to select the interval at which measurements are automatically transmitted over the serial port.
  • Page 69 Menu Functions System Menu avu045.jpg Figure 5-44. Password By default the password is set to “5020A” when the instrument ships from the factory. We recommend the user changes the default password to secure the password-protected settings. NOTE Keep your password in a secure location. If an incorrect password is entered, the message WRONG PASSWORD is displayed and access to the password-protected parameters is denied.

  • Page 70: System Info

    5020A Users Manual System Info The SYSTEM INFO function displays information about the thermo-hygrometer. The information includes the manufacturer, model number, serial number, firmware version, boot version, and battery level. Press the E button when you are done viewing the system information or the F button.

  • Page 71: Digital Communications Interface

    Digital Communications Interface Title Introduction... 6-3 Communications ... 6-3 Serial Wiring ... 6-3 Interface Commands ... 6-4 Command Summary... 6-4 Command Syntax ... 6-4 Commands ... 6-12 Alarm Commands... 6-13 Measurement Commands ... 6-22 Data Commands ... 6-26 Measurement Control Commands ... 6-30 Channel Commands...
  • Page 72 5020A Users Manual...

  • Page 73: Introduction

    Introduction The communication feature allows an external device, such as a computer, to communicate with the thermo-hygrometer readout to obtain measurement data and control operation settings. Communication is accomplished by issuing commands to the thermo-hygrometer readout through RS-232 or IR communication ports. Communications The thermo-hygrometer readout is equipped with an RS-232 serial interface and an infrared window.

  • Page 74: Interface Commands

    5020A Users Manual Interface Commands Command Summary An alphabetical listing of the commands implemented by the thermo-hygrometer readout are shown in Table 6-1. These commands can be used with either serial or IR communications ports. Command Syntax The thermo-hygrometer readout accepts commands that set parameters, execute functions or respond with requested data.
  • Page 75 *OPT? *RST *SRE? *SRE <num>|MIN|MAX|DEF *STB? *TST? [<bool>] ALARm:BATTery? ALARm:BATTery:ENABle? ALARm:BATTery:ENABle <bool> ALARm:BEEP? ALARm:BEEP <bool> ALARm:CLEar ALARm:DATE:FIRST? ALARm:DATE:LAST? ALARm:DISPlay? ALARm:DISPlay <bool> ALARm:POWer? ALARm:POWer:ENABle? ALARm:POWer:ENABle <bool> ALARm:RHUMidity<chn>:LOW? ALARm:RHUMidity<chn>:LOW:ENABle? ALARm:RHUMidity<chn>:LOW:ENABle <bool> ALARm:RHUMidity<chn>:RATE? ALARm:RHUMidity<chn>:RATE:ENABle? ALARm:RHUMidity<chn>:RATE:ENABle <bool> ALARm:RHUMidity<chn>:RATE:LIMit? ALARm:RHUMidity<chn>:RATE:LIMit <num>|MIN|MAX|DEF ALARm:RHUMidity<chn>:SENSor? Digital Communications Interface Interface Commands Returns configuration options Sets the instrument operating parameters to defined...
  • Page 76 5020A Users Manual ALARm:RHUMidity<chn>:SENSor:ENABle? ALARm:RHUMidity<chn>:SENSor:ENABle <bool> ALARm:RHUMidity<chn>:UPPer? ALARm:RHUMidity<chn>:UPPer:ENABle? ALARm:RHUMidity<chn>:UPPer:ENABle <bool> ALARm:RHUMidity<chn>:UPPer:LIMit? ALARm:RHUMidity<chn>:UPPer:LIMit <num>|MIN|MAX|DEF ALARm:TEMPerature<chn>:LOW? ALARm:TEMPerature<chn>:LOW:ENABle? ALARm:TEMPerature<chn>:LOW:ENABle <bool> ALARm:TEMPerature<chn>:LOW:LIMit? ALARm:TEMPerature<chn>:LOW:LIMit <num>|MIN|MAX|DEF ALARm:TEMPerature<chn>:RATE? ALARm:TEMPerature<chn>:RATE:ENABle? ALARm:TEMPerature<chn>:RATE:ENABle <bool> ALARm:TEMPerature<chn>:RATE:LIMit? ALARm:TEMPerature<chn>:RATE:LIMit <num>|MIN|MAX|DEF ALARm:TEMPerature<chn>:SENSor? ALARm:TEMPerature<chn>:SENSor:ENABle? ALARm:TEMPerature<chn>:SENSor:ENABle <bool> ALARm:TEMPerature<chn>:UPPer? Returns the state of the humidity sensor alarm enable for the specified channel Enables or disables the humidity sensor alarm for the specified channel...
  • Page 77 ALARm:TEMPerature<chn>:UPPer:ENABle? ALARm:TEMPerature<chn>:UPPer:ENABle <bool> ALARm:TEMPerature<chn>:UPPer:LIMit? ALARm:TEMPerature<chn>:UPPer:LIMit <num>|MIN|MAX|DEF ALARm:TIME:FIRSt? ALARm:TIME:LAST? CALibrate<chn>:ALERt? CALibrate<chn>:ALERt <bool> CALibrate<chn>:DATe:CALibrate? CALibrate<chn>:DATe:CALibrate (<year>,<month>,<day>) CALibrate<chn>:DATe:DUE? CALibrate<chn>:DATe:DUE (<year>,<month>,<day>) CALibrate<chn>:EXPiration? CALibrate<chn>:PARameter:LINearity<chn>? CALibrate<chn>:PARameter:LINearity<chn> <float> CALibrate<chn>:PARameter:OFFSets<chn>? CALibrate<chn>:PARameter:OFFSets<chn> <float> CALibrate<chn>:PARameter:SCALe<chn>? CALibrate<chn>:PARameter:SCALe<chn> <float> CALCulate:AVERage:CLEar CALCulate<chn>:DEWPoint? CALCulate<chn>:HINDex? CALCulate<chn>:PARameter<num>:AVERerage<nu Digital Communications Interface Interface Commands Returns the state of the high temperature alarm enable for the specified channel Enables or disables the high temperature alarm for the specified channel...
  • Page 78 5020A Users Manual m>? CALCulate<chn>:PARameter<num>: AVERerage<num>:CLEar CALCulate<chn>:PARameter<num>: AVERerage<num>:DATA? CALCulate[<chn>]:PARameter<num>: AVERerage<num>:TYPE? CALCulate<chn>:PARameter<num>:RATE? CALCulate[<chn>]:PARameter[<num>]:RATE:TIME? CALCulate[<chn>]:PARameter[<num>]:RATE:TIME <num>|MIN|MAX|DEF CALCulate[<chn>]:PARameter<num>:RESolution? CALCulate<chn>:PARameter<num>:RESolution <num>|MIN|MAX|DEF DATa:DSTat:ENABle? DATa:DSTat:ENABle <bool> DATa:DSTat:HOUR? DATa:DSTat:HOUR <num>|MIN|MAX|DEF DATa:DSTat:RENable? DATa:DSTat:RENable <bool> DATa:DSTat:RHOur? DATa:DSTat:RHOur <num>|MIN|MAX|DEF DATa:DSTat:RECord:BTIMe? [<num>] DATa:DSTat:RECord:CLEar DATa:DSTat:RECord:COUNt? [MAX] DATa:DSTat:RECord:DATE? [<num>] DATa:DSTat:RECord:ETIMe? [<num>] DATa:DSTat:RECord:FIND? [<year>,<month>,<day>] DATa:DSTat:RECord:VALue? [<num>,<chn>,<type>] DATa:RECord:CLEar DATa:RECord:FEED:RHUMidity<chn>?
  • Page 79 DATa:RECord:FREE? DATa:RECord:OPEN? DATa:RECord:OPEN (<year>,<month>,<day>,<hour>,<minute>,<second>[, <year>,<month>,<day>,<hour>,<minute>,<second>) DATa:RECord:READ? [<num>] DATa:RECord:TIMe? DATa:RECord:TIMe <num>|MIN|MAX|DEF FETCh? [<chn>] FORMat:TDSTamp:STAT? FORMat:TDSTamp:STAT? <bool> INITiate INITiate:CONTinous? MEASure? [<chn>] READ? [<chn>] ROUTe:CLOSe? [<chn>] ROUTe:CLOSe <chn> ROUTe:OPEN? [<chn>] ROUTe:OPEN <chn> SENSor:AVERage? SENSor:AVERage <bool> SENSor<chn>:LOCK? SENSor<chn>:LOCK <bool> SENSor<chn>:IDENification? SENSor<chn>:IDENification <str> SENSor<chn>:STATus? STATus:ALARm? STATus:ALARm:CONDition? STATus:ALARm:ENABle? Digital Communications Interface...
  • Page 80 5020A Users Manual STATus:ALARm:ENABle <num>|MIN|MAX|DEF STATus:MEASure? STATus:MEASure:CONDition? STATus:MEASure:ENABle? STATus:MEASure:ENABle <num>|MIN|MAX|DEF STATus:OPERation? STATus:OPERation:CONDition? STATus:OPERation:ENABle? STATus:OPERation:ENABle <num>|MIN|MAX|DEF STATus:QUEStion? STATus:QUEStion:CONDition? STATus:QUEStion:ENABle? STATus:QUEStion:ENABle <num>|MIN|MAX|DEF SYSTem:BOOT:VERSion? SYSTem:COMMunicate:IR:MODE? SYSTem:COMMunicate:IR:MODE <num> SYSTem:COMMunica:SERial:BAUD? SYSTem:COMMunica:SERial:BAUD <num>|MIN|MAX|DEF SYSTem:COMMunica:SERial:FDUPlex? SYSTem:COMMunica:SERial:FDUPlex <bool> SYSTem:COMMunica:SERial:FEED? SYSTem:COMMunica:SERial:FEED <bool> SYSTem:COMMunica:SERial:LINefeed? SYSTem:COMMunica:SERial:LINefeed <bool> SYSTem:COMMunica:SERial:TIMe? SYSTem:COMMunica:SERial:TIMe <num>|MIN|MAX|DEF SYSTem:DATE? SYSTem:DATE (<year>,<month>,<day>) SYSTem:DATE:FORMat? SYSTem:DATE:FORMat <num>|MIN|MAX|DEF...
  • Page 81 SYSTem:FIRMware:VERSion? SYSTem:KLOCkout? SYSTem:KLOCkout <bool> SYSTem:PASSword:ALARm? SYSTem:PASSword:ALARm <bool> SYSTem:PASSword:CDISable SYSTem:PASSword:CENable <num> SYSTem:PASSword:CENable:STATe? SYSTem:PASSword:NEW <num>|DEF SYSTem:PASSword:RECord? SYSTem:PASSword:RECord <bool> SYSTem:PASSword:SENSor? SYSTem:PASSword:SENSor <bool> SYSTem:PASSword:STATistics? SYSTem:PASSword:STATistics <bool> SYSTem:PASSword:TIME? SYSTem:PASSword:TIME <bool> SYSTem:POWer:BATTery? SYSTem:TIME? SYSTem:TIME (<hour>,<minute>,<second>) SYSTem:TIME:DAYLight? SYSTem:TIME:DAYLight <num>|MIN|MAX|DEF SYSTem:TIME:FORMat? SYSTem:TIME:FORMat <num>|MIN|MAX|DEF SYSTem:VERSion? TRIGger:TIMe? TRIGger:TIMe <num>|MIN|MAX|DEF UNIT:TEMPerature? UNIT:TEMPerature <unit>...

  • Page 82: Commands

    5020A Users Manual Commands Table 4 lists the commands in alphabetical order. In this section the commands are arranged into the following groups: Alarm Commands - commands for alarm settings. alarm commands Measurement Commands - commands for reading measurement data. Data Commands –commands for setting and reading data information Measurement Control Commands –...

  • Page 83: Alarm Commands

    <hour> indicates a one or two digit number for the hour (0 to 23) is required. <minute> indicates a one or two digit number for the minute is required. <second> indicates a one or two digit number for the second is required. <baud>...
  • Page 84 5020A Users Manual ALARm:BEEP <bool> Sets the state of the audible alarm enable. Example: ALAR:BEEP 1 The <bool> parameter turns the alarm beep enable on (1 or ON) or off (0 or OFF). This command may be password protected (see Password Commands). ALARm:CLEar Clears the alarm events.
  • Page 85 Response: 0 A value of 1 is returned if a power loss alarm event has occurred. A value of 0 is returned if a power loss alarm event has not occurred. ALARm:POWer:ENABle? Returns the state of the power loss alarm enable. Example: ALAR:POW:ENAB? Response: 0 A value of 1 is returned if the power loss alarm is enabled.
  • Page 86 5020A Users Manual Response: 20.00 The RHUMidity suffix, <chn>, specifies the channel (1 or 2). Specifying the MIN, MAX, or DEF parameter returns the minimum, maximum, or default value respectively. ALARm:RHUMidity<chn>:LOWer:LIMit <float>|MIN|MAX|DEF Sets the lower humidity alarm limit for the specified channel in %RH. Example: ALAR:RHUM1:LOW:LIM 25.00 The RHUMidity suffix, <chn>, specifies the channel (1 or 2).
  • Page 87 ALARm:RHUMidity<chn>:RATE:LIMit <float>|MIN|MAX|DEF Sets the humidity rate alarm limit for the specified channel in %RH per hour. Example: ALAR:RHUM1:RATE:LIM 1 The RHUMidity suffix, <chn>, specifies the channel (1 or 2). The <float> parameter specifies the value for the humidity rate alarm limit. Specifying the MIN, MAX, or DEF parameter sets the humidity rate alarm limit to the minimum, maximum, or default value respectively.
  • Page 88 5020A Users Manual The RHUMidity suffix, <chn>, specifies the channel (1 or 2). A value of 1 is returned if the upper humidity alarm is enabled. A value of 0 is returned if the upper humidity alarm is disabled. ALARm:RHUMidity<chn>:UPPer:ENABle <bool> Sets the state of the upper humidity alarm enable for the specified channel.
  • Page 89 Example: ALAR:TEMP1:LOW:ENAB 1 The TEMPerature suffix, <chn>, specifies the channel (1 or 2). The <bool> parameter turns the lower temperature alarm on (1 or ON) or off (0 or OFF). This command may be password protected (see Password Commands). ALARm:TEMPurature<chn>:LOWer:LIMit? [MIN|MAX|DEF] Returns the lower temperature alarm limit for the specified channel in degrees C or F.
  • Page 90 5020A Users Manual ALARm:TEMPurature<chn>:RATE:LIMit? [MIN|MAX|DEF] Returns the temperature rate alarm limit for the specified channel in degrees (C or F) per hour. Example: ALAR:TEMP1:RATE:LIM? Response: 5 The TEMPerature suffix, <chn>, specifies the channel (1 or 2). The value returned is always in the current temperature units (C or F).
  • Page 91 Example: ALAR:TEMP1:UPP? Response: 0 The TEMPerature suffix, <chn>, specifies the channel (1 or 2). A value of 1 is returned if an upper temperature alarm event has occurred on the specified channel. A value of 0 is returned if an upper temperature alarm event has not occurred on the specified channel. ALARm:TEMPurature<chn>:UPPer:ENABle? Returns the state of the upper temperature alarm enable for the specified channel.

  • Page 92: Measurement Commands

    5020A Users Manual ALARm:TIME:LAST? Returns the time of the last alarm event. Example: ALAR:TIME:LAST? Response: 15,43,19 The response is returned in the format, <hour>,<minute>,<second>. Measurement Commands The measurement commands are used to read information on the statistical calculations and for reading the most recent measurement for a specified channel. CALCulate:AVERage:CLEar Resets all running statistics for both channels.
  • Page 93 CALCulate[<chn>]:PARameter[<num>]:AVERage[<type>]:DATA? Returns the specified statistical calculation for the specified channel. This is the same as the CALCulate,chn.:PARameter<num>:AVERage<type>? command (see ). CALCulate[<chn>]:PARameter<num>:AVERage<type>:TYPE? Returns the name of the specified statistical type for the specified channel. Example: CALC1:PAR1:AVER4:TYPE? Response: “T MAX” The CALCulate suffix, <chn>, specifies the channel (1 or 2). The PARamenter suffix, <num>, specifies temperature (1) or relative humidity (2).
  • Page 94 5020A Users Manual Specifying the MIN, MAX, or DEF parameter returns the minimum, maximum, or default value respectively. CALCulate[<chn>]:PARameter<num>:RESolution <num>|MIN|MAX|DEF Sets the display resolution. Example: CALC:PAR2:RES 2 The PARameter suffix, <num>, specifies either temperature resolution (1) or relative humidity resolution (2). The <num> parameter specifies the number of decimal places to use.
  • Page 95 FORMat:TDST:STATe? Returns the time and date stamp enable for the FETC?, MEAS?, and READ? commands. Example: FORM:TDST:STAT? Response: 0 A value of 1 is returned if the time and date stamp is enabled. A value of 0 is returned if the time and date stamp is disabled.

  • Page 96: Data Commands

    5020A Users Manual Data Commands The data commands are used to access daily statistics or recorded measurements. DATa:DSTatistics:ENABle? Returns the state of the daily statistics recording enable. Example: DAT:DST:ENAB? Response: 0 A value of 1 is returned if the daily statistics recording is enabled. A value of 0 is returned if the daily statistics recording is disabled.
  • Page 97 DATa:DSTatistics:RHOur? [MIN|MAX|DEF] Returns the daily statistics reset time. Example: DAT:DST:RHO? Response: 12 Specifying the MIN, MAX, or DEF parameter returns the minimum, maximum, or default value respectively. DATa:DSTatistics:RHOur <num>|MIN|MAX|DEF Sets the daily statistics reset time. Example: DAT:DST:RHO 0 The <num> parameter specifies the hour for the daily statistics reset time. Specifying MIN, MAX, or DEF parameter sets the daily statistics reset time to the minimum, maximum, or default value respectively.
  • Page 98 5020A Users Manual DATa:DSTatistics:RECord:ETIMe? [<num>] Returns the daily statistics recording end time. Example: DAT:DST:REC:ETIM? Response: 23,59,59 The <num> parameter specifies the daily statistics record number. If none is specified, record 1 is assumed. The response is returned in the format, <hour>,<minute>,<second>. DATa:DSTatistics:RECord:FIND? (<year>,<month>,<day>) Returns the daily statistics record number for the given date.
  • Page 99 DATa:RECord:FEED:TEMPerature<chn>? Returns the state of the temperature recording enable for the specified channel. Example: DAT:REC:FEED:TEMP1? Response: 1 The TEMPerature suffix <chn>, specifies the channel (1 or 2). A value of 1 is returned if temperature recording for the specified channel is enabled. A value of 0 is returned if temperature recording for the specified channel is disabled.

  • Page 100: Measurement Control Commands

    5020A Users Manual the current date and time. If not specified, the actual time/date range of the data will likely include more data than requested because fo the sizes of the data blocks in memory. Use this command in conjunction with the DATa:RECord:OPEN? and DATa:RECord:READ? commands to extract data from memory.
  • Page 101 Example: SENS:AVER? Response: 1 A value of 1 is returned if the measurement averaging is enabled. A value of 0 is returned if the measurement averaging is disabled. SENSor:AVERage <bool> Sets the measurement average setting. Example: SENS:AVER 1 The <bool> parameter turns the measurement averaging on (1 or ON) or off (0 or OFF). This command may be password protected (see Password Commands).

  • Page 102: Channel Commands

    5020A Users Manual SENSor<chn>:STATe? Returns the sensor status for the specified channel. Example: SENS1:STAT? Response: 0 The SENSor suffix, <chn>, specifies the channel (1 or 2). The response to this command is a number that indicates the state of the sensor on the specified channel. A value of 0 indicates a sensor is connected and reading properly.

  • Page 103: Calibration Commands

    The <chn> parameter specifies the channel (1 or 2). A value of 1 is returned if the specified channel is on. A value of 0 is returned if the specified channel is off. ROUTe:CLOSe <chn> Switches on the specified channel. Example: ROUT:CLOS 1 The <chn>...
  • Page 104 5020A Users Manual Response: 2003,9,17 The CALibrate suffix, <chn>, specifies the channel (1 or 2). The response is returned in the format, <year>,<month>,<day>. CALibrate<chn>:DATE:CALibrate (<year>,<month>,<day>) Sets the sensor calibration date for the specified channel. Example: CAL1:DATE:CAL 2003,9,17 The CALibrate suffix, <chn>, specifies the channel (1 or 2). The <year>, <month>, and <day>...

  • Page 105: System Commands

    *IDN? Returns the instrument identification string that indicates the manufacturer, model number, serial number, and firmware version. Example: *IDN? Response: FLUKE,5020A,A39001,1.00 *OPT? Returns a list of sensor models currently connected to the inputs. Example: *OPT? Response: “5026A-S”,"0"...
  • Page 106 5020A Users Manual The following parameters are set when this command is issued. Sets the measurement period to 2 seconds. Sets the measurement averaging on. Sets printing to the serial port Sets the temperature units to C. Sets the temperature resolution to 2 decimal places and the relative humidity resolution to 1 decimal place.

  • Page 107: Communication Interface Commands

    UNIT:TEMPerature <unit> Sets the system temperature unit. Example: UNIT:TEMP C The <unit> parameter must be either C or CEL for Celsius or F or FAR for Fahrenheit. The *RST command sets the temperature unit to Celsius. Communication Interface Commands The communication interface commands are used for querying and setting serial port and IR configuration parameters.
  • Page 108 5020A Users Manual A value of 1 is returned if serial port echo (duplex) is ON. A value of 0 is returned if serial port echo (duplex) is OFF. SYSTem:COMMunicate:SERial:FDUPlex <bool> Sets the serial port echo (duplex) setting. Example: SYST:COMM:SER:FDUP 1 The <bool>...

  • Page 109: Date And Time Commands

    Example: SYST:COMM:SER:TIM 120 The <num> parameter can be one of the following values: 1, 2, 5, 10, 15, 30, 60, 120, 300, 600, 900, 1200, 1800, or 3600. If a value other than one listed here is used, the instrument automatically selects the nearest acceptable value that is less than the value entered.
  • Page 110 5020A Users Manual SYSTem:DATE:FORMat? [MIN|MAX|DEF] Returns the date format used for the display. Example: SYST:DATE:FORM? Response: 1 Specifying the MIN, MAX, or DEF parameter returns the minimum, maximum, or default value respectively. Section , Date and Time Formats, shows the supported date formats.

  • Page 111: Password Commands

    Example: SYST:TIME 11,43,28 The <hour>, <minute>, and <second> parameters must all be specified. The <hour> parameter is a one or two-digit number (0 to 23). The <minute> parameter is a one or two-digit number (0 to 59). The <second> parameter is a one or two-digit number (0 to 59).
  • Page 112 5020A Users Manual SYSTem:PASSword:ALARm? Returns the state of the alarm settings password protection. Example: SYST:PASS:ALAR? Response: 0 A value of 1 is returned if the alarm settings are password protected; otherwise a value of 0 is returned. SYSTem:PASSword:ALARm <bool> Sets the state of the alarm settings password. Example: SYST:PASS:ALAR 1 The <bool>...
  • Page 113 If the password is forgotten, the themo-hygrometer must be returned to an Authorized Service Center to have the password restored. SYSTem:PASSword:RECord? Returns the state of data recording settings password-protection. Example: SYST:PASS:REC? Response: 0 A value of 1 is returned if data recording password settings are password-protected; otherwise a value of 0 is returned.

  • Page 114: Status Commands

    5020A Users Manual Example: SYST:PASS:STAT 1 The <bool> parameter turns the statistics settings password-protection on (1 or ON) or off (0 or OFF). This command is password protected. Commands protected with this setting are: CALC:AVER:CLE and DATA:DST... , SYSTem:PASSword:TIME? Returns the state of the date and time password-protection. Example: SYST:PASS:TIME? Response: 0 A value of 1 is returned if the date and time password-protection is enabled.
  • Page 115 *ESR? This query command returns the Event Status Register. It also clears the Event Status Register and the ESB bit of the Status Byte Register. The value returned indicates the condition of each of the eight bits of the register by adding the binary-weighted values of each bit.
  • Page 116 5020A Users Manual Example command: *SRE 32 *STB? This query command returns the Status Byte Register. Reading this register does not affect it or the output queue. The value returned indicates the condition of each of the eight bits of the register by adding the binary-weighted values of each bit. The meaning of each bit, when set (1), is as follows where 0 is the least significant and 7 is the most significant: The Status Byte Register can not be set or cleared directly but always reflects the current...
  • Page 117 bit 1 is 1: channel 2 sensor is unattached, locked out, or not operating properly 2nd number: channel 1 sensor test 0: no error bit 0 is 1: sensor unattached bit 1 is 1: sensor memory read failure bit 2 is 1: sensor parameter checksum error bit 3 is 1: sensor calibration parameters out of range bit 4 is 1: sensor calibration date is invalid bit 5 is 1: sensor identification is invalid...
  • Page 118 5020A Users Manual 10th number: button status (power-on test only) 0: no button press detected bit 0 is 1: F pressed during power on bit 1 is 1: A pressed during power on bit 2 is 1: D pressed during power on bit 3 is 1: C pressed during power on bit 4 is 1: B pressed during power on bit 5 is 1: E pressed during power on...
  • Page 119 STATus:ALARm:ENABle? This command returns the Alarm Status Enable Register (see STATus:ALARm:ENABle <num> command below). Example: STAT:ALAR:ENAB? Response: 32 STATus:ALARm:ENABle <num>|MIN|MAX|DEF This command sets the Alarm Status Enable Register. This register determines which event bits of the Alarm Status Event Register affect the Alarm Status Bit of the Status Byte Register.
  • Page 120 5020A Users Manual Example: STAT:MEAS:COND? Response: 15 STATus:MEASure:ENABle? This command returns the Measurement Status Enable Register (see STATus:MEASure:ENABle <num> command below). Example: STAT:MEAS:ENAB? Response: 15 STATus:MEASure:ENABle <num>|MIN|MAX|DEF This command sets the Measure Status Enable Register. This register determines which event bits of the Measure Status Event Register affect the Measure Status Bit of the Status Byte Register.
  • Page 121 register by adding the binary-weighted values of each bit. The meaning of each bit, when set (1), is as follows where 0 is the least significant and 7 is the most significant: no operation Bit 0 Not used. Bit 1 Not used.

  • Page 122: Port Numbers

    5020A Users Manual STATus:QUEStionable:CONDition? This command reads the Questionable Status Condition Register. Reading this register does not affect it. The value returned indicates the condition of each of the eight bits of the register by adding the binary-weighted values of each bit. The meaning of each bit, when set (1), is as follows where 0 is the least significant and 7 is the most significant: Example: STAT:QUES:COND? Response: 16...

  • Page 123: Date And Time Formats

    Date and Time Formats The following tables list the acceptable date and time formats and their number setting. Number Number Digital Communications Interface Date Formats Format MM-DD-YY MM-DD-YYYY DD/MM/YY DD/MM/YYYY Time Formats Format H:MM:SSAM/PM (12-hour format) HH:MM:SS (24-hour format) Commands 6-53...
  • Page 124 5020A Users Manual 6-54...

  • Page 125: Calibration Procedure

    Chapter 7 Calibration Procedure Title Page Introduction... 7-3 Equipment... 7-3 Preparation... 7-3 Calibration Points ... 7-3 Temperature and Humidity Measurement Errors ... 7-4 Temperature and Humidity Adjustments... 7-4...
  • Page 126 5020A Users Manual...

  • Page 127: Introduction

    Contact a Fluke Authorized Service Center for return instructions prior to returning the probe for calibration. Ensure that the probe is packaged adequately to ensure safe transport.

  • Page 128: Temperature And Humidity Measurement Errors

    5020A Users Manual Temperature Relative Humidity Temperature and Humidity Measurement Errors The temperature and humidity measurement errors for the sensor are obtained at each of the calibration points. This test is performed to obtain as found data for the calibration report, if necessary, and adjustment data, and then repeated after adjustments are made to obtain as left data for the calibration report.
  • Page 129 that the measurement errors first be obtained according to the procedure above in section Temperature and Humidity Measurement Errors. After the Temperature and Humidity Adjustments procedure is completed, perform the Temperature and Humidity Measurement Errors procedure again to verify the calibration. 1.
  • Page 130 5020A Users Manual...

  • Page 131: Maintenance And Troubleshooting

    Maintenance and Troubleshooting Title Maintenance... 8-3 Troubleshooting ... 8-3 Incorrect temperature or humidity reading... 8-3 Missing or Scattered Graph Data... 8-3 Blank screen ... 8-4 Error message at power up ... 8-4 Self-Test Error Messages ... 8-4 Start-up Error Messages ... 8-5 Downloading Recorded Data...
  • Page 132 5020A Users Manual...

  • Page 133: Maintenance

    Before using any cleaning or decontamination method except those recommended by Fluke, users should check with an Authorized Fluke Scientific Service Center to be sure that the proposed method will not damage the equipment.

  • Page 134: Blank Screen

    5020A Users Manual Blank screen The screen appears blank when switched on. Ensure the power adapter is attached properly and the power is switched on. This problem can also be caused by improper adjustment of the contrast. After the power is switched on allow the thermo-hygrometer at least one minute to complete its self-test and power on sequence.

  • Page 135: Start-Up Error Messages

    POWER DOWN: HARDWARE RESET BUTTONS: <button name>... Start-up Error Messages Error messages may appear after the self-test. If this happens, contact a Fluke Authorized Service Center for assistance. Downloading Recorded Data The thermo-hygrometer stores up to 400,000 readings in its memory. These readings can be downloaded to a computer using the RS-232 serial port.

  • Page 136: Ce Comments

    CE Comments EMC Directive Fluke’s equipment has been tested to meet the European Electromagnetic Compatibility Directive (EMC Directive, 89/336/EEC). The Declaration of Conformity for your instrument lists the specific standards to which the unit was tested.
  • Page 137 on backup power for approximately 16 hours. When AC power is restored, the display will come back on and show a message stating the AC power was interrupted. Q. Can I swap out sensors in the field? A. Yes. The sensor's calibration information is stored in the sensor itself. When you change out the sensor, this information is automatically downloaded to the 5020A.
  • Page 138 5020A Users Manual...

  • Page 139: Index

    6-4 status, 6-12 system, 6-12 communication, 6-3 communication port settings, 5-27 condensation, 4-5, 4-6 contacting Fluke, 1-6 contrast, 4-4, 5-8 —D— daily statistics, 5-29, 5-30, 5-33 data card, 3-5, 3-7, 5-13, 5-22, 5-23 date format, 5-29 daylight saving, 5-29...
  • Page 140 Users Manual extension cable, 4-4 —F— firmware version, 5-34 —G— graph, 5-11, 5-12, 5-14, 5-16, 5-24, 5-30 humidity, 5-11, 5-24 temperature, 5-11 graphs, 5-9 —H— heat index, 5-10 humidity display resolutions, 5-8 —I— international electrical symbols, 1-4 IR interface, 6-3 IR port, 5-17, 5-20, 5-30, 5-32 IR Port, 3-4 IRDA, 5-17, 5-20, 5-32...
  • Page 141 —W— warnings, 1-4 —Z— zone types, 5-9 Index (continued)
  • Page 142 5020A Users Manual...

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