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8.4.2.12

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. Specifying the MIN, MAX, or DEF parameter sets the
display resolution to the minimum, maximum, or default value respectively.
This command may be password protected (see Section 8.4.10, Password
Commands).

8.4.2.13

FETCh? [<chn>]

Returns a comma-delimited list of the most recent measurements for the speci-
fied channel or for both channels.

Example 1: FETC? 1

Response: 25.576,29.30

or

Response: 1,1,25.629,C,29.32,%,2003,9,16,11,2,38

Example 2: FETC?

Response: 25.582,29.32,26.341,37.96

or

Response: 1,1,25.629,C,29.29,%,2,0,C,0,%,2003,9,16,11,1,42

The <chn> parameter is optional and specifies the channel (1 or 2). If the
<chn> parameter is omitted, the most recent measurements on both channels
are returned. If a channel is disabled or no sensor is connected, the measure-
ment values returned for that channel are 0. This command does not affect the
measurement action.

If the extended format setting is OFF (see Section 8.4.2.15, FOR-
Mat:TDST:STAT), the measurement values are returned in a comma-delimited
format as follows:

<Ch1Temp>,<Ch1Humid>[,<Ch2Temp>,<Ch2Humid>]

The temperature values are always in the current temperature units. The humid-
ity values are always in %RH.

If the extended format setting is ON, the measurements are returned in a
comma-delimited format as follows:

100

Hart Scientific

8 Digital Communications Interface

Содержание DewK 1620

Страница 1: ...1620 the DewK Thermo Hygrometer User s Guide Rev 4B1801...

Страница 2: ...c Inc 799 E Utah Valley Drive American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com www hartscientific com Subject to change without notice Copy...

Страница 3: ...ons 10 3 3 Warranty 10 4 Quick Start 13 4 1 Unpacking 13 4 2 Use Proper Care 13 4 3 Learn About the Features and Components 13 4 4 Install the Battery 13 4 5 Connect the Sensor 14 4 6 Connect the Powe...

Страница 4: ...sor Lock 31 7 1 4 Sensor Cal 32 7 2 Display Menu 34 7 2 1 Display Setting 35 7 2 2 Display Layout 36 7 2 3 Field Data 37 7 2 4 Graph Scale 39 7 2 5 Display Reset 42 7 3 Data Menu 42 7 3 1 Data Record...

Страница 5: ...LARm POWer ENABle bool 88 8 4 1 14 ALARm RHUMidity chn LOWer 88 8 4 1 15 ALARm RHUMidity chn LOWer ENABle 88 8 4 1 16 ALARm RHUMidity chn LOWer ENABle bool 88 8 4 1 17 ALARm RHUMidity chn LOWer LIMit...

Страница 6: ...num AVERage type DATA 98 8 4 2 7 CALCulate chn PARameter num AVERage type TYPE 98 8 4 2 8 CALCulate chn PARameter num RATE 99 8 4 2 9 CALCulate chn PARameter num RATE TIME MIN MAX DEF 99 8 4 2 10 CALC...

Страница 7: ...8 4 6 2 CALibrate chn ALERt bool 112 8 4 6 3 CALibrate chn DATE CALibrate 112 8 4 6 4 CALibrate chn DATE CALibrate year month day 113 8 4 6 5 CALibrate chn DATE DUE 113 8 4 6 6 CALibrate chn DATE DUE...

Страница 8: ...PASSword CDISable 123 8 4 10 4 SYSTem PASSword CENable pass 123 8 4 10 5 SYSTem PASSword CENable STATe 123 8 4 10 6 SYSTem PASSword NEW pass DEF 123 8 4 10 7 SYSTem PASSword RECord 124 8 4 10 8 SYSTem...

Страница 9: ...143 11 Troubleshooting 145 11 1 Troubleshooting 145 11 1 1 Incorrect temperature or humidity reading 145 11 1 2 Missing or Scattered Graph Data 145 11 1 3 Blank screen 145 11 1 4 Error message at powe...

Страница 10: ...raph Scale Select Zone 40 Figure 18 Graph Scale 41 Figure 19 Display Reset 42 Figure 20 Data Menu 43 Figure 21 Data Record 44 Figure 22 Record Setting 46 Figure 23 Data View Begin Time 47 Figure 24 Da...

Страница 11: ...42 System Menu 65 Figure 43 System Setting 66 Figure 44 Date Time 67 Figure 45 Comm Setting 69 Figure 46 Serial 70 Figure 47 IR 71 Figure 48 Password 72 Figure 49 System Info 73 Figure 50 Serial Cable...

Страница 12: ...y 45 Table 4 Alphabetical List Commands 77 Table 4 Alphabetical List Commands continued 78 Table 4 Alphabetical List Commands continued 79 Table 4 Alphabetical List Commands continued 80 Table 4 Alpha...

Страница 13: ...ument or in this manual Symbol Description AC Alternating Current AC DC Battery CE Complies with European Union Directives DC Direct Current Double Insulated Electric Shock Fuse PE Ground Hot Surface...

Страница 14: ...gs To avoid personal injury follow these guidelines DO NOT use this unit in environments other than those listed in the User s Guide Follow all safety guidelines listed in the User s Guide Calibration...

Страница 15: ...dam age 1 2 2 Cautions If the instrument is dropped struck or handled in a way that causes inter nal or external physical damage immediately unplug the AC adapter re move the battery discontinue use...

Страница 16: ...DS Phone 31 402 675300 Telefax 31 402 675321 E mail ServiceDesk fluke nl Fluke Int l Corporation Service Center Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Dajie Chao Yang District Beijing 100...

Страница 17: ...37 5155 E mail antng singa fluke com When contacting these Service Centers for support please have the following information available Model Number Serial Number Voltage Complete description of the pr...

Страница 18: ...f data transfer to and from a PC Visual and audio alarms for various alarm or fault conditions May be wall mounted or set on a bench top Detachable sensors contain their own calibration data for easy...

Страница 19: ...gned a unique 16 character identification Display 240 x 128 graphics monochrome LCD displays temperature and humidity data graphically numerically and statistically 16 pre defined user changeable scre...

Страница 20: ...22 F Relative Humidity 0 to 100 RH AC Adapter Operating Temperature 0 C to 40 C 32 F to 104 F Relative Humidity 5 to 90 non condensing de rating from 40 C lin early to 50 at 70 C General to all Pressu...

Страница 21: ...ir the product and bill the purchaser for the reasonable cost of repair To exercise this warranty the purchaser must forward the product after calling or writing a Hart Authorized Service Center see S...

Страница 22: ...Use Proper Care First and most important is to understand the safety issues related to the thermo hygrometer Carefully read Section 1 2 Safety Information The thermo hygrometer and sensors used with...

Страница 23: ...below the stand on the back panel To switch the power on toggle the power switch to the position To switch power off toggle the power switch to the position The instrument takes a few seconds to power...

Страница 24: ...reen are as follows Enter Menu This button is used to display the menu options Exit This button is used to display the alarm window With the alarm window displayed the Exit button can be used to retur...

Страница 25: ...a value or option when editing a pa rameter When editing some numeric or alpha numeric parameters these but tons are used to move among digits or characters IR Port The infrared window provides a mea...

Страница 26: ...5 4 Left Side Panel The left side panel consists of the DC power socket the RS 232 port and the data card slot 12V DC Power Socket The DC plug of the AC adapter plugs into the 12V DC power socket to...

Страница 27: ...a flat surface Battery Compartment The battery compartment holds a 9V alkaline battery used as a backup power source to maintain continuous measurement during a power outage see Section 6 2 Battery Po...

Страница 28: ...adout wall mount bracket power supply Model 2361 and an RS 232 cable 5 8 Accessories The following accessories are available to compliment either the high accuracy or standard thermo hygrometer readou...

Страница 29: ...Model 2361 Spare Power Supply 100 240 VAC to 12 VDC Model 9936 LogWare III single PC license Model LIC 9936 LogWare III license for additional PCs 20 Hart Scientific 5 Parts and Controls...

Страница 30: ...dapter plugs into the 12 V DC power input on the left side of the instrument see Figure 3 on page 17 6 2 Battery The thermo hygrometer uses a 9V battery to maintain continuous measurement and recordin...

Страница 31: ...100 ft in length When a sensor is attached the thermo hy grometer detects the sensor automatically reads its calibration parameters and begins to measure if the channel is enabled see Section 6 9 Mea...

Страница 32: ...ent period is also set with this function 6 10 Unit of Temperature The thermo hygrometer is capable of displaying temperature in Celsius C or Fahrenheit F The unit of temperature applies to temperatur...

Страница 33: ...when there is a source of radiated heat that is seen by the sensor Radiated heat tends to heat up the sensor higher than the air around it try shining a flashlight on the sensor from some distance awa...

Страница 34: ...power The sensor takes some time to respond to large changes in temperature or hu midity such as for instance when the sensor is brought from a cold or humid location to a warm or dry one Depending on...

Страница 35: ...main menu of the thermo hygrometer The main menu consists of the submenus CHAN NEL DISPLAY DATA ALARM and SYSTEM Most of the menu options may be password protected to prevent them from being changed...

Страница 36: ...nd execute menu choices The ud buttons are used to scroll through the functions The Exit button is used to return from a function to the previous menu The Exit button may be pressed and held to quickl...

Страница 37: ...s are turned on or off by selecting the channel and then the ON or OFF setting using the lr buttons MEA PER measurement period is the time interval at which the measurements are updated on the display...

Страница 38: ...s the rate of change is calculated using the most recent measurement and the measurement obtained RATE T time ago If there are as yet insufficient measurements to calculate the rate of change only dot...

Страница 39: ...ace and un derscore can be used Press the Enter button to save the setting Press the Exit button to cancel any changes and exit to the menu 7 1 3 Sensor Lock The SENSOR LOCK function locks each sensor...

Страница 40: ...ssword protected see Section 7 5 4 PASSWORD If an incorrect password or no password is entered the parameters are displayed but cannot be edited If a correct password is entered the channel sensor mod...

Страница 41: ...the setting and exit Press the Exit button to cancel any changes and exit to the menu 1620 the DewK 33 7 Menu Functions Figure 11 Sensor Cal Figure 12 Sensor Channel Select...

Страница 42: ...ed Press the Enter button to save the new settings The values are stored in the sensor Press the Exit button to cancel any changes and exit to the menu 7 2 Display Menu The DISPLAY menu provides funct...

Страница 43: ...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 using the lr buttons Setting the adjus...

Страница 44: ...of zones is selected you can select what is to be displayed in each zone The lr buttons are used to select the parameter setting The ud buttons are used to move between each parameter Press the Enter...

Страница 45: ...rawn with dotted lines Graphs are replotted when a different display layout is selected a display lay out s settings are changed or graph scale settings are changed Data for the graphs are extracted f...

Страница 46: ...ALAR temperature alarm 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 statistica...

Страница 47: ...ngs for each zone 1 2 3 or 4 Graph settings for each zone are used in common among all display layouts This may be password protected see Section 7 5 4 Password For each zone you may set the center of...

Страница 48: ...00 000 to 0 100 H CENT from 100 000 to 0 000 H SCAL from 100 000 to 1 000 TIME from 1 4 10 24 hours and 2 5 7 15 30 days DIVS from 1 2 4 6 8 10 40 Hart Scientific 7 Menu Functions Figure 17 Graph Scal...

Страница 49: ...on to edit and save the new setting Press Exit button to can cel any changes and exit to the menu On the last parameter press the Enter button to exit to the menu 1620 the DewK 41 7 Menu Functions Fig...

Страница 50: ...pass word protected see Section 7 5 4 Password Use the Enter button to reset the display settings Press the Exit button to can cel any changes and exit to the menu 7 3 Data Menu The DATA menu contains...

Страница 51: ...measurements up to the start of the next data block A new data block is started when the thermo hy grometer is powered on when record setting parameters are changed and when data is printed or writte...

Страница 52: ...y be password protected see Sec tion 7 5 4 Password The temperature and humidity from each channel can be recorded and the recording period is selectable To record the temperature on sensor channel 1...

Страница 53: ...en 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 depend ing on the record period and enabled ch...

Страница 54: ...to change The lr buttons are used to change the setting parameters Press the Enter button to save the new set ting Press the Exit button to cancel any changes and exit to the menu 46 Hart Scientific 7...

Страница 55: ...7 3 1 2 Data View The DATA VIEW function allows viewing recorded data in NUMERIC or GRAPHIC format 1620 the DewK 47 7 Menu Functions Figure 23 Data View Begin Time Figure 24 Data View Numeric Format...

Страница 56: ...Date Time The format of the start time is 24 hour format Press the Enter button to display the data for the selected starting date and time in graphical format Press the Exit button to cancel any chan...

Страница 57: ...rt printing The format of the start date is according to D FORM in SYSTEM DATE TIME Section 7 5 2 The format of the start time is 24 hour format The lr buttons are used to change the parameters Press...

Страница 58: ...rameter shows the number of bytes stored The CAP parameter shows storage capacity in bytes The INDEX parameter shows percentage of space used in the record block index The BEGIN parameter is the date...

Страница 59: ...day Up to 60 days of statistics are stored Earliest statistics are erased automatically if needed to store another day s statistics DAILY STATS can be set up to automatically store the running statist...

Страница 60: ...recorded after the last mea surement of the day AUT RES enables ON or disables OFF automatic reset of the statistics and may be set from 00 00 to 23 00 RES TIM sets the hour when the statistics are a...

Страница 61: ...Press the Enter button to save the new setting Press the Exit button to cancel any changes and to exit to the menu 7 3 2 2 Stats View The STATS VIEW function is used to view daily statistics Select a...

Страница 62: ...r the channel and measurement type The lr buttons are used to change the setting parameters Press the Enter button to save the new setting Press the Exit button to cancel any changes and exit to the m...

Страница 63: ...ting see Section 7 5 3 2 IR Press the Enter button to save the new setting Press the Exit button to cancel any changes and exit to the menu 7 3 2 4 Stats Reset The STATS RESET function resets current...

Страница 64: ...button is pressed the operation is canceled 7 3 2 5 Stats Clear The STATS CLEAR function clears all daily statistics stored in memory After pressing the Enter button a WARNING message will appear req...

Страница 65: ...n is pressed the operation is cancled 7 3 3 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...

Страница 66: ...written to a data card Choosing END for the END param eter will automatically select the most recent reading as the END parameter After the BEGIN and END parameters are entered and the Enter button i...

Страница 67: ...in a graphic format The CHAN parameter allows 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 an...

Страница 68: ...7 5 4 Password The ud buttons are used to select the menu option The lr buttons are used to change the parameter setting Press the Enter button to save the new setting Press the Exit button to cancel...

Страница 69: ...option The lr buttons are used to change the parameter setting Press the Enter button to save the new setting Press the Exit button to cancel any changes and exit to the menu 7 4 2 Sensor Alarm The SE...

Страница 70: ...rameter is the lower limit alarm 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...

Страница 71: ...20 seconds until power is restored or the battery is discharged The ud buttons are used to select the menu option The lr buttons are used to change the parameter setting Press the Enter button to sav...

Страница 72: ...ess the Exit button to retain any alarms and exit to the menu 7 5 System Menu The SYSTEM menu provides access to the general settings for the system such as temperature unit date and time the communic...

Страница 73: ...to save the new setting Press the Exit button to cancel any changes and exit to the menu 7 5 1 System Setting The SYSTEM SETTING function allows you to change the temperature mea surement unit The UNI...

Страница 74: ...Enter button to save the new setting Press the Exit button to cancel any changes and exit to the menu 7 5 2 Date Time The DATE TIME function is used for setting the time of day clock time for mat date...

Страница 75: ...ime The choices are 12 hour format or 24 hour format The DAY parameter allows the user to set the current day of the month 1 31 The MONTH parameter allows the user to set the current month 1 12 The YE...

Страница 76: ...r makes no attempt to plot the data prior to the time shift there will appear to be missing data on the left side of the graph Graphs drawn using the DATA VIEW function behave similarly when time dis...

Страница 77: ...irst be selected The selections are SERIAL IR and ERRORS The ERRORS setting allows the user to view any error messages stored in the error queue Once an error has been viewed it is removed from the er...

Страница 78: ...et the echo duplex mode Selecting ON enables echoing so that all characters received on the serial port are echoed back over the serial port Echo mode ON is useful when using terminal emula tion softw...

Страница 79: ...simple ASCII format The IRDA option allows the user to print data to an IrDA compatible printer such as an HP LaserJet 2100 Automatic real time printing is not available with the IrDA mode The OFF opt...

Страница 80: ...password is entered the message WRONG PASSWORD is dis played and access to the password protected parameters is denied Press the ENTER button to reenter the password If a correct password is entered t...

Страница 81: ...setting Press the Exit button to cancel any changes and to move to the next parameter or exit to the menu Note Keep your password in a secure location and do not forget the pass word 7 5 5 System Inf...

Страница 82: ...d in Section 7 5 3 Comm Setting 8 2 1 Serial Wiring The serial communications cable at taches to the thermo hygrometer readout through the RS 232 port on the left side of the instrument Figure 50 show...

Страница 83: ...t mnemonics have a long form that is more readable and a short form consisting of three or four characters that is more efficient A mnemonic may end with a numeric suffix that specifies one of a set o...

Страница 84: ...1 5 ALARm CLEar Clears the alarm events Section 8 4 1 6 ALARm DATE FIRST Returns the date of the first alarm event Section 8 4 1 7 ALARm DATE LAST Returns the date of the latest alarm event Section 8...

Страница 85: ...W ENABle Returns the state of the low temperature alarm enable for the speci fied channel Section 8 4 1 33 ALARm TEMPerature chn LOW ENABle bool Enables or disables the low temperature alarm for the s...

Страница 86: ...8 4 6 5 CALibrate chn DATe DUE year month day Sets the sensor calibration due date for the specified channel Section 8 4 6 6 CALibrate chn EXPiration Returns the sensor calibration expiration for the...

Страница 87: ...DATa DSTat RHOur Returns the statistics reset time Section 8 4 3 7 DATa DSTat RHOur num MIN MAX DEF Sets the statistics reset time Section 8 4 3 8 DATa DSTat RECord BTIMe num Returns the daily stats r...

Страница 88: ...chn Returns the channel state Section 8 4 5 3 ROUTe OPEN chn Disables the specified channel Section 8 4 5 4 SENSor AVERage Returns the state of the measurement averaging Section 8 4 4 3 SENSor AVERag...

Страница 89: ...ED bool Enanbles or disables the serial port auto printing Section 8 4 8 8 SYSTem COMMunica SERial LINefeed Returns the state of the serial port linefeed Section 8 4 8 9 SYSTem COMMunica SERial LINefe...

Страница 90: ...e time password protection Section 8 4 10 13 SYSTem PASSword TIME bool Enables or disables the date time password protection Section 8 4 10 14 SYSTem POWer BATTery Returns the battery level percent Se...

Страница 91: ...rmats Password Commands commands for enabling and disabling the password for setting the password and for checking the password protection state Status Commands commands to report the status and condi...

Страница 92: ...tes a one or two digit number for the second is required baud indicates a valid baud rate setting is required For query commands specifying the MIN MAX or DEF parameter causes the instrument to respon...

Страница 93: ...ands 8 4 1 4 ALARm BEEP Returns the state of the audible alarm enable Example ALAR BEEP Response 0 A value of 1 is returned if the alarm beep is enabled A value of 0 is returned if the alarm beep is d...

Страница 94: ...onse 0 A value of 1 is returned if the alarm display is enabled A value of 0 is returned if the alarm display is disabled 8 4 1 10 ALARm DISPlay bool Sets the state of the visible alarm enable Example...

Страница 95: ...RHUM1 LOW Response 0 The RHUMidity suffix chn specifies the 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...

Страница 96: ...ecifies the channel 1 or 2 The float pa rameter specifies the value for the lower humidity alarm limit Specifying the MIN MAX or DEF parameter sets the lower humidity alarm limit to the mini mum maxim...

Страница 97: ...1 or 2 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively 8 4 1 23 ALARm RHUMidity chn RATE LIMit float MIN MAX DEF Sets the humidity rate alarm limit f...

Страница 98: ...on 1 or ON or off 0 or OFF This command may be password protected see Section 8 4 10 Password Commands 8 4 1 27 ALARm RHUMidity chn UPPer Indicates whether an upper humidity alarm event has occurred...

Страница 99: ...t MIN MAX DEF Sets the upper humidity alarm limit for the specified channel in RH Example ALAR RHUM1 UPP LIM 65 00 The RHUMidity suffix chn specifies the channel 1 or 2 The float pa rameter specifies...

Страница 100: ...rns the lower temperature alarm limit for the specified channel in degrees C or F Example ALAR TEMP1 LOW LIM Response 18 00 The TEMPerature suffix chn specifies the channel 1 or 2 The value re turned...

Страница 101: ...is returned if the temperature rate alarm is disabled 8 4 1 39 ALARm TEMPurature chn RATE ENABle bool Sets the state of the temperature rate alarm enable for the specified channel Example ALAR TEMP1 R...

Страница 102: ...el 1 or 2 A value of 1 is returned if a temperature sensor alarm event has occurred on the specified channel A value of 0 is returned if a temperature sensor alarm event has not occurred on the specif...

Страница 103: ...f 0 is returned if the upper temperature alarm is disabled 8 4 1 47 ALARm TEMPurature chn UPPer ENABle bool Sets the state of the upper temperature alarm enable for the specified channel Example ALAR...

Страница 104: ...s the time of the first alarm event Example ALAR TIME FIRS Response 15 43 13 The response is returned in the format hour minute second 8 4 1 51 ALARm TIME LAST Returns the time of the last alarm event...

Страница 105: ...es temperature 1 or relative humidity 2 The AVER age suffix type specifies the statistic average 1 standard deviation 2 minimum 3 maximum 4 spread 5 maximum rate 7 or alarm count 8 Temperature values...

Страница 106: ...e time span in seconds Example CALC PAR RATE TIME Response 300 Specifying the MIN MAX or DEF parameter returns the minimum maxi mum or default value respectively 8 4 2 10 CALCulate chn PARameter num R...

Страница 107: ...16 11 2 38 Example 2 FETC Response 25 582 29 32 26 341 37 96 or Response 1 1 25 629 C 29 29 2 0 C 0 2003 9 16 11 1 42 The chn parameter is optional and specifies the channel 1 or 2 If the chn paramet...

Страница 108: ...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...

Страница 109: ...Data Commands The data commands are used to access daily statistics or recorded measurements 8 4 3 1 DATa DSTatistics ENABle Returns the state of the daily statistics recording enable Example DAT DST...

Страница 110: ...Password Commands 8 4 3 5 DATa DSTatistics RENable Returns the state of the daily statistics reset enable Example DAT DST REN Response 0 A value of 1 is returned if the daily statistics reset is enabl...

Страница 111: ...fies the daily statistics record number If none is specified then record 1 is assumed The response is returned in the format hour minute second 8 4 3 10 DATa DSTatistics RECord CLEar Clears all daily...

Страница 112: ...n date a 0 is returned 8 4 3 15 DATa DSTatistics RECord VALue num chn type Returns the daily statistics statistical calculation Example DAT DST REC VAL 1 1 1 Response 25 559 0 733 23 097 27 203 4 106...

Страница 113: ...ssword Commands 8 4 3 19 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 c...

Страница 114: ...en This set of pa rameters is optional but if specified all parameters are required If not specified all data in memory is opened for reading The second set of year month day hour minute and second pa...

Страница 115: ...mple DAT REC TIME 60 The num parameter indicates the number of seconds between recording readings to memory Specifying the MIN MAX or DEF parameter sets the data recording period to the minimum maximu...

Страница 116: ...if the sensor lock is disabled 8 4 4 6 SENSor chn LOCK bool Sets the sensor lock for the specified channel Example SENS1 LOCK 1 The bool parameter turns the sensor lock on 1 or ON or off 0 or OFF This...

Страница 117: ...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...

Страница 118: ...lue respectively The RST command sets the measure ment period to 2 seconds This command may be password protected see Sec tion 8 4 10 Password Commands 8 4 5 Channel Commands The channel commands are...

Страница 119: ...ALER Response 0 The CALibrate suffix chn specifies the channel 1 or 2 A value of 1 is re turned if the calibration alert is enabled for the specified channel A value of 0 is returned if the calibrati...

Страница 120: ...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 year month and day parameters mu...

Страница 121: ...n specifies the channel 1 or 2 The SCALe suffix num specifies either temperature 1 or humidity 2 8 4 6 11 CALibrate chn PARameter SCALe num float Sets the sensor calibration scale parameter for the sp...

Страница 122: ...mmand 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...

Страница 123: ...mple SYST VERS Response 1994 0 8 4 7 8 UNIT TEMPerature Returns the system temperature unit Example UNIT TEMP Response C The response is either C for Celsius or F for Fahrenheit 8 4 7 9 UNIT TEMPeratu...

Страница 124: ...N MAX or DEF parameter returns the minimum maxi mum or default value respectively 8 4 8 4 SYSTem COMMunicate SERial BAUD baud MIN MAX DEF Sets the serial port baud rate setting Example SYST COMM SER B...

Страница 125: ...e RST command sets the serial port auto printing to OFF 8 4 8 9 SYSTem COMMunicate SERial LINefeed Returns the state of the serial port linefeed setting Example SYST COMM SER LIN Response 1 A value of...

Страница 126: ...the state of the button panel lockout Example SYST KLOC Response 0 A value of 1 is returned if the button panel is locked out A value of 0 is re turned if the button panel is enabled unlocked 8 4 8 1...

Страница 127: ...at used for the display Example SYST DATE FORM Response 1 Specifying the MIN MAX or DEF parameter returns the minimum maxi mum or default value respectively Section 8 4 13 Date and Time Formats shows...

Страница 128: ...IME Response 11 43 23 The response is returned in the format hour minute second Note The system time is always returned using 24 hour format regardless of the clock time format setting 8 4 9 8 SYSTem...

Страница 129: ...se 1 A value of 0 is returned if the time format is set to 12 hour A value of 1 is re turned if the time format is set to 24 hour Specifying the MIN MAX or DEF parameter returns the minimum maximum or...

Страница 130: ...STem PASSword 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 use...

Страница 131: ...n Example SYST PASS REC 1 The bool parameter turns the data recording password protecton on 1 or ON or off 0 or OFF This command is password protected Commands pro tected with this setting are DATA RE...

Страница 132: ...DST 8 4 10 13 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 ena...

Страница 133: ...to 255 that is the sum of the binary weighted values of each mask bit The Event Status Register is described in Section below The following exam ple causes the ESB bit in the Status Byte Register to...

Страница 134: ...w Example SRE Response 0 8 4 11 6 SRE num MIN MAX DEF This command sets the Service Request Enable Register This register deter mines which event bits of the Status Byte Register affect the MSS Master...

Страница 135: ...mask bit in the Standard Event Enable Register is set It is cleared when the Standard Event Register is read Bit 6 Master Summary Bit Indicates that any other bit in the Status Byte Register is set a...

Страница 136: ...tification is invalid bit 6 is 1 sensor version number is incompatible bit 7 is 1 sensor is locked out 3rd number channel 2 sensor test see channel 1 sensor test 4th number sensor calibration expired...

Страница 137: ...power on bit 4 is 1 left pressed during power on bit 5 is 1 ENTER pressed during power on 8 4 11 9 STATus ALARm This command reads and clears the Alarm Status Event Register The value re turned indica...

Страница 138: ...t 5 Power failure alarm bit Bit 6 Not used Bit 7 Not used Example STAT ALAR Response 32 8 4 11 11 STATus ALARm ENABle This command returns the Alarm Status Enable Register see STA Tus ALARm ENABle num...

Страница 139: ...y measure bit Bit 2 Channel 2 temperature measure bit Bit 3 Channel 2 humidity measure bit Bit 4 Channel 1 sensor attached detached Bit 5 Channel 2 sensor attached detached Bit 6 Not used Bit 7 Not us...

Страница 140: ...l be set The value of the num parameter is a number from 0 to 15 that is the sum of the binary weighted values of each mask bit The Measure Status Event Reg ister is described in Section 8 4 11 13 STA...

Страница 141: ...icant and 7 is the most significant 0 no operation Bit 0 Not used Bit 1 Not used Bit 2 Not used Bit 3 Not used Bit 4 Measurement complete bit Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT...

Страница 142: ...ionable Status Event 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 The meaning of each bit when set 1 i...

Страница 143: ...Status Byte Register If any bit in the Question able Status Event Register is set 1 while its corresponding mask bit in the Questionable Status Enable Register is set the Questionable Status Bit in t...

Страница 144: ...ceptable 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 Format 0 H MM SSAM PM 12 hour format 1 HH MM SS 2...

Страница 145: ...ecommended PRT and associated readout to use as the reference thermometer 0 03 C uncertainty or better is recommended 1620 Thermo Hygrometer to use to read the 2626 x sensor An extension cable to conn...

Страница 146: ...0 C 45 20 C 70 20 C 9 4 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...

Страница 147: ...ers can be accessed using the SENSOR CAL function in the CHANNEL menu The password is required to change the parameters Calculation of new calibration parameters requires that the measurement errors f...

Страница 148: ...the adjustment HOS to the humidity offset parameter HOS and the new humidity offset parameter RHmedian RHerror RH RHerror RH 3 2 2 HOS RHmedian HOS HOS HOS 7 Enter the new values for TOS TOS TSL TSL H...

Страница 149: ...amination steps as outlined by the national safety council with respect to the material Before using any cleaning or decontamination method except those rec ommended by Hart users should check with an...

Страница 150: ...e set to a long interval Check the measure pe riod setting Refer to Section 6 12 Sensors for information on proper sensor handling and situations that can affect accuracy 11 1 2 Missing or Scattered G...

Страница 151: ...E Cycle the power Contact an Authorized Service Center BATTERY NOT INSTALLED Check that a battery is properly installed Replace the battery CLOCK INVALID TIME Set the time date MEMORY DATA EMPTY Conta...

Страница 152: ...er in troubleshooting and solving the problem that has oc curred Without this information it can be difficult to find the cause of the error Before contacting an Authorized Service Center for assistan...

Страница 153: ...red using the IR port with LogWare III software or written to a file with a data card see Section 7 3 3 1 File Write 11 3 Placement of IR Dongle for Transfer of Data The thermo hygrometer can be used...

Страница 154: ...conditions at 2kV the instrument may re quire the user to cycle the power to return to normal operation 11 4 1 2 Emission Testing The instrument fulfills the limit requirements for Class A equipment...

Страница 155: ...ata Record Q How do I get data from the 1620 A The 1620 allows you to download data using a RS232 or IR connection to a computer or printer You may also use a data card to transfer data to and from th...

Страница 156: ...ock 66 commands 75 76 communication 69 75 condensation 25 contrast 22 35 D daily statistics 51 53 56 68 data card 57 data recorded 43 58 date 36 38 66 daylight saving 67 decimal 35 delta 38 dew point...

Страница 157: ...splay 42 reset statistics 52 55 resolution 35 response time 25 RS 232 69 75 S safety information 2 self heating 24 self test 22 145 sensor 14 16 19 22 24 62 sensor accuracy 24 sensor calibration 32 13...

Страница 158: ...warranty 10 Z zones display 36 153 Index...

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