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Digital Communications Interface

Interface Commands

6-5

*OPT?

Returns configuration options

*RST

Sets the instrument operating parameters to defined
conditions

*SRE?

Returns the Service Request Enable register

*SRE <num>|MIN|MAX|DEF

Sets the Service Request Enable register

*STB?

Returns the Status Byte register

*TST? [<bool>]

Returns the self-test results (0: startup test; 1: new
test)

ALARm:BATTery?

Returns the battery alarm event

ALARm:BATTery:ENABle?

Returns the state of the battery alarm enable

ALARm:BATTery:ENABle <bool>

Enables or disables the battery alarm

ALARm:BEEP?

Returns the state of the alarm beep enable

ALARm:BEEP <bool>

Enables or disables the alarm beep

ALARm:CLEar

Clears the alarm events

ALARm:DATE:FIRST?

Returns the date of the first alarm event

ALARm:DATE:LAST?

Returns the date of the latest alarm event

ALARm:DISPlay?

Returns the state of the alarm display enable

ALARm:DISPlay <bool>

Enables or disables the alarm display

ALARm:POWer?

Returns the power loss alarm event

ALARm:POWer:ENABle?

Returns the state of the power loss alarm enable

ALARm:POWer:ENABle <bool>

Enables or disables the power loss alarm

ALARm:RHUMidity<chn>:LOW?

Returns the state of the low humidity alarm for the
specified channel

ALARm:RHUMidity<chn>:LOW:ENABle?

Returns the state of the low humidity alarm enable for
the specified channel

ALARm:RHUMidity<chn>:LOW:ENABle <bool>

Enables or disables the low humidity alarm enable for
the specified channel

ALARm:RHUMidity<chn>:RATE?

Returns the state of the humidity rate alarm for the
specified channel

ALARm:RHUMidity<chn>:RATE:ENABle?

Returns the state of the humidity rate alarm enable for
the specified channel

ALARm:RHUMidity<chn>:RATE:ENABle <bool>

Enables or disables the humidity rate alarm for the
specified channel

ALARm:RHUMidity<chn>:RATE:LIMit?

Returns the humidity rate alarm limit for the specified
channel

ALARm:RHUMidity<chn>:RATE:LIMit
<num>|MIN|MAX|DEF

Sets the humidity rate alarm limit for the specified
channel

ALARm:RHUMidity<chn>:SENSor?

Returns the state of the humidity sensor alarm for the
specified channel

Summary of Contents for 5020A

Page 2: ...vice center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no...

Page 3: ...8 General to all 1 8 2 Quick Start 2 1 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...

Page 4: ...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 5 13 Data Record 5 14 Record Setting 5 14 Data Vie...

Page 5: ...t Numbers 6 52 Date and Time Formats 6 53 7 Calibration Procedure 7 1 Introduction 7 3 Equipment 7 3 Preparation 7 3 Calibration Points 7 3 Temperature and Humidity Measurement Errors 7 4 Temperature...

Page 6: ...5020A Users Manual iv...

Page 7: ...rage 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 4 502...

Page 8: ...5020A Users Manual vi...

Page 9: ...10 Display Setting 5 8 5 11 Display Layout 5 9 5 12 Field Data 5 11 5 13 Graph Scale Select Zone 5 12 5 14 Graph Scale 5 12 5 15 Display Reset 5 13 5 16 Data Menu 5 13 5 17 Data Record 5 14 5 18 Reco...

Page 10: ...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 Serial 5 31 5 43 IR 5 32...

Page 11: ...ction and Specifications Title Page 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...

Page 12: ...5020A Users Manual 1 2...

Page 13: ...e stamped readings Removable data card option for additional data storage and ease of data transfer to and from a PC Visual and audio alarms for various alarm or fault conditions May be wall mounted o...

Page 14: ...provided Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appliances C TIC Australian EMC...

Page 15: ...attery and discontinue use if it leaks or becomes damaged Never allow the battery to be shorted heated punctured or dropped If the instrument is physically damaged immediately remove the battery to in...

Page 16: ...ors 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...

Page 17: ...wo sensors each measuring temperature and relative humidity each is detachable cable extendable and interchangeable with self contained calibration each may be assigned a unique 16 character identific...

Page 18: ...d in an excessively dusty dirty or wet environment Maintenance and cleaning recommendations can be found in the Maintenance section of this manual For full accuracy operate the instrument within the c...

Page 19: ...tle 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...

Page 20: ...5020A Users Manual 2 2...

Page 21: ...an be easily damaged Always handle these devices with care DO NOT allow them to be dropped struck stressed or over heated Learn About the Features and Components Familiarize yourself with the features...

Page 22: ...A self test is performed displaying the channel configuration and status of the system calibration battery power memory and buttons If the thermo hygrometer calibration has expired and the alert mess...

Page 23: ...3 1 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 3 2...

Page 25: ...urn to the main screen while preserving the alarm events or the Enter button can be used to clear the alarm events and return to the main screen B C These buttons are used to move among enabled displa...

Page 26: ...ications IR COMM mode or printing measurements and daily statistics to a IrDA compatible printer IRDA mode Top Panel The top panel contains the port for attaching the sensor for Channel 1 An optional...

Page 27: ...instrument RS 232 Port Connector This socket is for interfacing the thermo hygrometer to a computer or terminal using serial RS 232 communications Data Card Slot An optional data card is installed in...

Page 28: ...dow With the alarm window displayed the Exit button can be used to return to the main screen while preserving the alarm events or the Enter button can be used to clear the alarm events and return to t...

Page 29: ...sor case Model 5026A CASE sensor wall mount bracket Model 5030A MNT and 25 foot 7 6 m extension cable Model Y5028 Model 5026A Spare Sensor Protective Case Model Y5028 Extension cable 25 foot 7 6 m Mod...

Page 30: ...5020A Users Manual 3 8...

Page 31: ...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...

Page 32: ...5020A Users Manual 4 2...

Page 33: ...commended battery type is a standard 9V alkaline battery NEDA 1604A or IEC 6LR61 During a power outage or when the AC adapter is disconnected the display will be inoperable but measuring will continue...

Page 34: ...ed See Troubleshooting for additional information on error messages Display Contrast If the display appears too dark or too light you can use the A and D buttons at the main screen to adjust the contr...

Page 35: ...thermo hygrometer when the sensor is attached This ensures that the settings used to measure and calculate temperature and humidity always match the sensor being used Caution Sensors are fragile devi...

Page 36: ...rrors that can be as large as 0 15 C below the temperature measured at low velocities Thus it is recommended that the sensor be located where there is minimal air currents The self heating of the sens...

Page 37: ...1 Display Reset 5 12 Data Menu 5 13 Data Record 5 14 Record Setting 5 14 Data View 5 15 Data Print 5 17 Data Storage 5 17 Data Clear 5 18 Daily Stats 5 18 Stats Setting 5 19 Stats View 5 20 Stats Prin...

Page 38: ...5020A Users Manual 5 2 Comm Setting 5 30 Serial 5 31 IR 5 32 Password 5 32 System Info 5 34...

Page 39: ...functions The E button is used to select and execute menu choices The A D buttons are used to scroll through the functions The F button is used to return from a function to the previous menu The F but...

Page 40: ...temperature and humidity values displayed are averaged over the measurement period When average is off the displayed values are instantaneous measurements RATE T rate time determines the time interva...

Page 41: ...t it from being changed The model number and serial number are displayed here but cannot be edited The sensor ID cannot be set for a channel without a sensor attached The sensor ID is stored in the se...

Page 42: ...gure 5 6 Sensor Lock Use the A D buttons to select the sensor to lock The B C buttons are used to select ON or OFF Press the E button to save the setting and exit Press the F button to cancel any chan...

Page 43: ...ers have been edited The message STORE VALUES is displayed Press the E button to save the new settings The values are stored in the sensor Press the F button to cancel any changes and exit to the menu...

Page 44: ...data are fixed at 0 01 C or F and 0 1 RH The decimal preference is selectable between a period and a comma The available units of measure are degrees C and degrees F The contrast can be adjusted here...

Page 45: ...ayouts can be viewed by pressing the B C buttons when the main screen is displayed avu012 jpg Figure 5 11 Display Layout Field Data The FIELD DATA function allows you to select a type of statistic for...

Page 46: ...count T DELT temperature delta difference from the other channel RHUM most recent relative humidity measurement H RATE humidity rate of change H AVE relative humidity statistical mean H STD relative...

Page 47: ...all display layouts This may be password protected For each zone you may set the center of the vertical axes for the temperature graphs T CENT the temperature scale for the axes T SCAL the center of...

Page 48: ...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 s...

Page 49: ...abled measurements are stored in memory at the set period The data is highly compressed digitally to achieve a high storage density This is done by storing data in blocks headed by product and sensor...

Page 50: ...This may be password protected The temperature and humidity from each channel can be recorded and the recording period is selectable To record the temperature on sensor channel 1 set REC 1 T to ON To...

Page 51: ...torage 1 channel Storage 2 channels 1 second 56 hours 28 hours 10 seconds 20 days 10 days 1 minute 18 weeks 9 weeks 5 minutes 20 months 10 months 10 minutes 24 months 20 months 30 minutes 24 months 24...

Page 52: ...d the B C buttons to scroll among data blocks Press the F button to cancel any changes and exit to the menu The graphic mode displays the data in a graphic format The CHAN parameter allows you to sele...

Page 53: ...inting The format of the start date is according to D FORM in SYSTEM DATE TIME Section The format of the start time is 24 hour format avu022 jpg Figure 5 21 Data Print The B C buttons are used to chan...

Page 54: ...button to cancel any changes and exit to the menu Caution Using this function will erase all recorded data and make it irretrievable Daily Stats The DAILY STATS menu can be used to record measurement...

Page 55: ...of the statistics The REC TIM may be set from 00 00 to 23 00 The REC TIM function sets the hour just prior to which the statistics are automatically recorded when AUT REC is ON If REC TIM is 00 00 the...

Page 56: ...e standard deviation minimum maximum spread number maximum rate and alarm are displayed for the channel and measurement type avu027 jpg Figure 5 26 Stats View The B C buttons are used to change the se...

Page 57: ...pressing the E button a WARNING message will appear requesting a confirmation of the operation If the E button is pressed the stats are reset If the F button is pressed the operation is canceled avu02...

Page 58: ...data card or data in a binary rec file to be viewed The DATA CARD options are FILE WRITE and FILE VIEW avu031 jpg Figure 5 30 Data Card The A D and E buttons are used to select the menu function File...

Page 59: ...ally select the most recent reading as the END parameter After the BEGIN and END parameters are entered and the E button is pressed a message is displayed stating READY the FILE NAME and the number of...

Page 60: ...s you to select the channel from which to view the data Use T CENT T SCAL H CENT and H SCAL to set the vertical axis center and scale for the temperature and relative humidity graphs The TIME paramete...

Page 61: ...ygrometer emits an audible beep during an alarm condition For the power alarm it is four short beeps every 20 seconds For the battery alarm it is three short beeps every minute For the sensor disconne...

Page 62: ...The L ENAB parameter is used to turn the lower limit alarm ON or OFF The UPPER parameter is the upper limit alarm The U ENAB parameter is used to turn the upper limit alarm ON or OFF The RATE paramet...

Page 63: ...ashes at the top of the display and any alarm condition is displayed with the time and date that the alarm occurred avu038 jpg Figure 5 37 Alarm View Press the E button to clear the alarms Press the F...

Page 64: ...on allows you to change the temperature measurement unit The UNIT parameter switches between C Celsius or F Fahrenheit This may be password protected with the SENSOR password parameter When the measur...

Page 65: ...et the current month 1 12 The YEAR parameter allows the user to set the current year 1999 through 9999 The D FORM parameter allows the user to set the date format used when displaying the date The cho...

Page 66: ...ata prior to the time shift is plotted first Then when data for the first hour after the one hour shift backwards is encountered the data is plotted as if it all occurred at the instant of the time ch...

Page 67: ...ameter allows the user to select the baud rate for communications on this port The user may choose between 1200 2400 4800 9600 19200 38400 and 57600 The default baud rate is 9600 The LF parameter allo...

Page 68: ...l used by the IR port to transmit and receive data The selections are COMM IRDA and OFF avu044 jpg Figure 5 43 IR The COMM setting allows the user to transmit data over the IR port at 9600 baud in sim...

Page 69: ...git number The SENSOR parameter allows the user to turn the password protection for sensor and channel settings ON or OFF The RECORD parameter allows the user to turn the password protection for data...

Page 70: ...ormation about the thermo hygrometer The information includes the manufacturer model number serial number firmware version boot version and battery level avu002 jpg Figure 5 45 System Info Press the E...

Page 71: ...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 6 32 Calibration Commands 6 33 System Commands 6 35...

Page 72: ...5020A Users Manual 6 2...

Page 73: ...nctions parameters and settings discussed in Comm Setting Serial Wiring The serial communications cable attaches to the thermo hygrometer readout through the RS 232 port on the left side of the instru...

Page 74: ...fix that specifies one of a set of independent function blocks such as input channel data paths If a numeric suffix is omitted when a particular block must be specified an error is generated Header su...

Page 75: ...isplay ALARm POWer Returns the power loss alarm event ALARm POWer ENABle Returns the state of the power loss alarm enable ALARm POWer ENABle bool Enables or disables the power loss alarm ALARm RHUMidi...

Page 76: ...e low temperature alarm for the specified channel ALARm TEMPerature chn LOW LIMit Returns the low temperature alarm limit for the specified channel ALARm TEMPerature chn LOW LIMit num MIN MAX DEF Sets...

Page 77: ...ed channel CALibrate chn DATe DUE year month day Sets the sensor calibration due date for the specified channel CALibrate chn EXPiration Returns the sensor calibration expiration for the specified cha...

Page 78: ...at RENable Returns the state of the statistics reset enable DATa DSTat RENable bool Enables or disables the statistics reset DATa DSTat RHOur Returns the statistics reset time DATa DSTat RHOur num MIN...

Page 79: ...rns the temperature and humidity measurements for the specified channel READ chn Returns the temperature and humidity measurements for the specified channel ROUTe CLOSe chn Returns the state of the sp...

Page 80: ...MODE num Set the IR mode SYSTem COMMunica SERial BAUD Returns the serial port baud rate SYSTem COMMunica SERial BAUD num MIN MAX DEF Sets the serial port baud rate SYSTem COMMunica SERial FDUPlex Retu...

Page 81: ...ion SYSTem PASSword SENSor bool Enables or disables the sensor settings password protection SYSTem PASSword STATistics Returns the state of the statistics settings password protection SYSTem PASSword...

Page 82: ...h section provides the command structure long and short format a description of the command purpose a command example an example of what the command returns as applicable to query commands and notes s...

Page 83: ...ed in the error queue see SYST ERR Alarm Commands ALARm BATTery Indicates whether a battery alarm event has occurred Example ALAR BATT Response 1 A value of 1 is returned if a battery alarm event has...

Page 84: ...nse is 2000 0 0 ALARm DATE LAST Returns the date of the last alarm event Example ALAR DATE LAST Response 2003 8 10 The response is returned in the format year month day If no alarm has been triggered...

Page 85: ...e channel 1 or 2 A value of 1 is returned if a lower humidity alarm event has occurred on the specified channel A value of 0 is returned if a lower humidity alarm event has not occurred on the specifi...

Page 86: ...s occurred on the specified channel A value of 0 is returned if a humidity rate alarm event has not occurred on the specified channel ALARm RHUMidity chn RATE ENABle Returns the state of the humidity...

Page 87: ...e of the humidity sensor alarm enable for the specified channel Example ALAR RHUM1 SENS ENAB Response 0 The RHUMidity suffix chn specifies the channel 1 or 2 A value of 1 is returned if the humidity s...

Page 88: ...65 00 The RHUMidity suffix chn specifies the channel 1 or 2 The float parameter specifies the value for the upper humidity alarm limit Specifying the MIN MAX or DEF parameter sets the upper humidity a...

Page 89: ...mit to the minimum maximum or default value respectively The float value is always in the current temperature units C or F This command may be password protected see Password Commands ALARm TEMPuratur...

Page 90: ...Purature chn SENSor Indicates whether a temperature sensor alarm event has occurred for the specified channel Example ALAR TEMP1 SENS Response 0 The TEMPerature suffix chn specifies the channel 1 or 2...

Page 91: ...is command may be password protected see Password Commands ALARm TEMPurature chn UPPer LIMit MIN MAX DEF Returns the upper temperature alarm limit for the specified channel in degrees C or F Example A...

Page 92: ...current temperature units C or F CALCulate chn HINDex Returns the heat index calculation for the specified channel in degrees C or F Example CALC1 HIND Response 28 4 The CALCulate suffix chn specifie...

Page 93: ...F per hour for temperature or per hour for relative humidity Example CALC1 PAR1 RATE Response 0 74 The CALCulate suffix chn specifies the channel 1 or 2 The PARameter suffix num specifies temperature...

Page 94: ...tted the most recent measurements on both channels are returned If a channel is disabled or no sensor is connected the measurement values returned for that channel are 0 This command does not affect t...

Page 95: ...ns a comma delimited list of the most recent measurements for the specified channel or for both channels Example MEAS 1 Example 1 MEAS 1 Response 25 576 29 30 or Response 1 1 25 629 C 29 32 2003 9 16...

Page 96: ...AX or DEF parameter returns the minimum maximum or default value respectively DATa DSTatistics HOUR num MIN MAX DEF Sets the state of the daily statistics recording time Example DAT DST HOUR 1 The num...

Page 97: ...ly statistics set Example DAT DST REC BTIM Response 0 0 0 The num parameter specifies the daily statistics record number If none is specified then record 1 is assumed The response is returned in the f...

Page 98: ...maximum 4 spread 5 maximum rate 7 or alarm count 8 Temperature values are in the current temperature unit C of F DATa RECord CLEar Clears all recorded measurement data Example DAT REC CLE This command...

Page 99: ...the open set of data Example DAT REC OPEN Response 1203 This command must be preceeded by the DATa REC OPEN command which is used to open a set of data using a date time range The response to this com...

Page 100: ...num is not specified Use the DATa RECord OPEN command to determine the exact number of bytes in the open set of data DATa RECord TIME MIN MAX DEF Returns the data recording period in seconds Example D...

Page 101: ...ck on 1 or ON or off 0 or OFF This command is password protected To access this command when the SYST PASS SENS is enabled the password must be successfully entered using the SYST PASS CEN pass comman...

Page 102: ...eriod setting in seconds Example TRIG TIM Response 1 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively TRIGger TIMer num MIN MAX DEF Sets the measuremen...

Page 103: ...command may be password protected see Password Commands Calibration Commands The calibration commands are used to access the sensor calibration parameters The calibration commands are always password...

Page 104: ...nth day CALibrate chn DATE DUE year month day Sets the sensor calibration due date for the specified channel Example CAL1 DATE DUE 2004 9 17 The CALibrate suffix chn specifies the channel 1 or 2 The y...

Page 105: ...Librate suffix chn specifies the channel 1 or 2 The SCALe suffix num specifies either temperature 1 or humidity 2 The float parameter specifies the value for the scale parameter This command is passwo...

Page 106: ...The error queue may contain up to ten messages The messages are reported in the order they occurred Reading a message from the queue removes the message so the next message can be read If more than te...

Page 107: ...ample SYST COMM IR MODE 1 The num parameter specifies the IR mode setting A value of 0 turns IR mode off IR port is disabled A value of 1 sets the IR mode to communications mode COMM A value of 2 sets...

Page 108: ...MM SER FEED 1 The bool parameter turns serial port auto printing on 1 or ON or off 0 or OFF The RST command sets the serial port auto printing to OFF SYSTem COMMunicate SERial LINefeed Returns the sta...

Page 109: ...ockout Example SYST KLOC 1 The bool parameter turns the button panel lockout on 1 or ON or off 0 or OFF SYSTem POWer BATTery Returns the current battery charge level Example SYST POW BATT Response 90...

Page 110: ...sponse 1 A value of 0 is returned if the decimal format is using a period A value of 1 is returned if the decimal format is using a comma Specifying the MIN MAX or DEF parameter returns the minimum ma...

Page 111: ...YLight num MIN MAX DEF Sets the automatic daylight saving adjustment setting Example SYST TIME DAYL 1 The num parameter sets the automatic daylight saving adjustment setting to off 0 North America 1 o...

Page 112: ...CENable pass Enables access to password protected settings Example SYST PASS CEN 1234 The pass parameter must match the current system password This command must be sent to allow the user to change an...

Page 113: ...d DATA REC TIM SYSTem PASSword SENSor Returns the state of the sensor settings password protection Example SYST PASS SENS Response 0 A value of 1 is returned if the sensor settings password protection...

Page 114: ...or details on the operation of the status registers refer to the SCPI standards CLS Clears the status registers Example CLS This clears the error queue Event Status Register Operation Status Register...

Page 115: ...is set and its corresponding mask bit in the Event Status Enable Register Section is set The Event Status Register is cleared when queried with the ESR command or when the CLS command is received The...

Page 116: ...that a bit in the Standard Event Register is set and its corresponding mask bit in the Standard Event Enable Register is set It is cleared when the Standard Event Register is read Bit 6 Master Summer...

Page 117: ...sor test 4th number sensor calibration expired 0 sensor calibration has not yet expired bit 0 is 1 channel 1 sensor calibration has expired bit 1 is 1 channel 2 sensor calibration has expired 5th numb...

Page 118: ...alarm bit Bit 2 Channel 1 humidity alarm bit Bit 3 Channel 2 temperature alarm bit Bit 4 Channel 2 humidity alarm bit Bit 5 Low battery alarm bit Bit 6 Power failure alarm bit Bit 7 Not used Bit 8 No...

Page 119: ...en triggered Example STAT ALAR ENAB 32 Response 32 STATus MEASure This command reads and clears the Measure Status Event Register The value returned indicates the condition of each of the eight bits o...

Page 120: ...of the binary weighted values of each mask bit The Measure Status Event Register is described in Section 8 4 11 13 STATus MEASure The following example causes the Measure Status Bit in the Status Byte...

Page 121: ...set 1 while its corresponding mask bit in the Operation Status Enable Register is set the Operation Status Bit in the Status Byte Register will be set The value of the num parameter is a number from...

Page 122: ...e 16 STATus QUEStionable ENABle num MIN MAX DEF This command sets the Questionable Status Enable Register This register determines which event bits of the Questionable Status Event Register affect the...

Page 123: ...Time Formats The following tables list the acceptable date and time formats and their number setting Date Formats Number Format 0 MM DD YY 1 MM DD YYYY 2 DD MM YY 3 DD MM YYYY Time Formats Number Form...

Page 124: ...5020A Users Manual 6 54...

Page 125: ...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...

Page 126: ...5020A Users Manual 7 2...

Page 127: ...mometer 0 03 C uncertainty or better is recommended 5020A Thermo Hygrometer to use to read the 5026A x sensor An extension cable to connect with the 5026A x sensor placed inside the temperature humidi...

Page 128: ...e temperature and humidity set point 2 Allow four hours for settling after the temperature and humidity set points are reached before collecting data 3 Measure the temperature with the 5026A x probe a...

Page 129: ...e offset parameter TOS and the new temperature offset parameter 2 2 3 T Terror T Terror n Tmedia 4 Calculate the adjustment HSL to the humidity slope parameter HSL and the new humidity slope parameter...

Page 130: ...5020A Users Manual 7 6...

Page 131: ...r 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 8 5 Placement of IR Dongle for Transfer of...

Page 132: ...5020A Users Manual 8 2...

Page 133: ...rdance with the equipment design the operation of the thermo hygrometer may be impaired or safety hazards may arise Periodic calibration of the sensors at regular intervals is required to ensure that...

Page 134: ...ed actions to correct the error Often these errors can be corrected by completing the actions listed A failure of one or more component causes error messages to be reported Contact an Authorized Servi...

Page 135: ...e 2 Run a terminal program such as Windows r Terminal or HyperTerminal r a Set up the terminal program to use the correct COM port and baud rate Configure the communication settings to use 8 data bits...

Page 136: ...or Criterion B was used for Radiated RF IEC 61000 4 3 and Conducted RF IEC 61000 4 6 Therefore the operation of the instrument may be affected by excessive electromagnetic interference and the instrum...

Page 137: ...tell how much memory has been used A The memory usage expressed as a percent filled is found in the DATA menu under DATA RECORD and DATA STORAGE Q How do I get data from the 5020A A The 5020A allows y...

Page 138: ...5020A Users Manual 8 8...

Page 139: ...ear data 5 18 clock 5 29 commands 6 3 6 4 6 11 6 12 6 13 6 22 6 25 6 26 6 30 6 32 6 33 6 35 6 37 6 39 6 41 6 42 6 44 alarm 6 12 6 13 calibration 6 12 channel 6 12 communication interface 6 12 compount...

Page 140: ...5 26 rate time 5 4 record data 5 22 recording 4 5 5 10 5 13 5 14 5 19 5 30 5 33 reset display 5 12 response time 4 6 RS 232 5 31 6 3 6 4 port connector 3 5 RS 232 communications 3 5 S safety informati...

Page 141: ...Index continued 3 W warnings 1 4 Z zone types 5 9...

Page 142: ...5020A Users Manual 4...

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