User Manual - Temperature & Process Instruments, Inc.
Contents
1. Pressure Port Select Menu SELECT NEXT DONE Loop Power Select Menu ON OFF NEXT Unit Select Menu SELECT NEXT DONE If Config Locked Setups Main Menu SETUPS NEXT DONE Save Recall Menu 8 SAVE RECALL DONE op eve Auto Off Main Menu Back to AUTO OFF NEXT DONE Top Level Setup Select Menu Auto Off Adjust Menu Back to RCLSETUP FLY AUTOOFF DONE Top Level Back to Display Main Menu Top Level DISPLAY NEXT Display Select Menu KA ON OFF LOWER DONE Top Level 100 Select Menu DONE SET 4 0 Select Menu DONESET Y Back to Error Main Menu Back to Probe Type Main Menu Top Level PROBE NEXT DONE 4 Probe Type Select Menu SELECT DONE Damp Select Menu ON OFF DONE Back to Main Menu Hart Main Menu HART NEXT DONE i Hart Select Menu Pump Limit Main Menu DONE SELECT PUMP NEXT DONE Y Back to Pump Limit Select Menu Back to Top Level DONE SET SELECT Top Level Figure 4 Menu Map If SAVE or RECALL is selected use the arrow keys to select the set up location Then use the save option to store the current set up into the selected location or the recall option to recall the set up stored in2. For example If the calibrator is in mA simulate mode sending IO STATE MEASURE would ut itin measure mode P 37 38 IO STATE Returns the input output simulate state of the mA function of the calibrator For example If the calibrator was in mA simulate mode IO STATE Would return SIM LOCAL Restores the calibrator to local operation if it was in remote mode Also clears LOCKOUT if the calibrator was in lockout mode LOCKOUT Sending this command sets the lockout state when the unit is in REMOTE or goes to remote it prohibits use of the keypad completely The lockout state can only be cleared by sending the LOCAL command LO ERR Sets the 0926 point for the percent error mode calculation in the current engineering units For example To set the 0 6 point to 20 psi send LO ERR 20 LO ERR Returns the 096 point for the percent error mode calculation For example If the 096 point is set to 20 psi LO ERR would return 2 000000E 01 PSI MOTOR ON Turns the motor on MOTOR OFF Turns the motor off MOTOR Returns the state of the motor For example If the motor was on MOTOR Would return ON OHMS Returns the raw Ohm value from the RTD For example If when measuring a P100 385 at degrees cel sending OHMS would return 1 000000E 02 OHM OUT This command also switches the calibrator into mA output mode A number and a unit must be entered after the command For example OUT 5 MA sets the cu
3. For example SIM 5 MA sets the current simulation at 5 mA SIM Returns the output of the current simulation With the example above the output would be 5 000000E 03 A ST START Starts a switch test ST CLOSE Returns the pressure that the switch closed at in the current pressure units ST OPEN Returns the pressure that the switch opened at in the current pressure units ST DEAD Returns deadband of the switch in the current pressure units TEMP UNIT This command is used to set the temperature unit used when measuring temperature The first argument indicates which display to apply the change to The second argument is the unit either CEL for Celsius or FAR for fahrenheit For example To set the temperature unit to fahrenheit on the lower display send TEMP UNIT LOWER FAR TEMP_UNIT Returns the temperature unit CEL or FAR used when measuring RTDs for each of the 3 displays VAL Returns the value of any measurement taking place on the upper and lower display For example if the upper display is measuring 5mA and the lower display is measuring 10V then VAL will return 5 000000E 03 A 1 000000E 01 V ZERO_MEAS Zeroes the attached pressure module Enter the zeroing value in PSI after the command when zeroing an absolute pressure module ZERO_MEAS Returns the zero offset or the reference value for absolute pressure modules 41 14 Specifications 15 to 35 C unless otherwise noted
4. s configuration is modified to avoid the conflict If all three displays are deactivated the LOWER display will come on automatically 2 4 6 Setting the RTD probe type Use the PROBE TYPE option of the RTD Probe Type main menu to access the RTD Probe selection menu PROBE TYPE NEXT DONE There are four probe types to select from P100 385 P100 392 P100 JIS and CUSTOM Use the SELECT option to select the desired probe type and the DONE option to store the change and return home Note The default probe type is PT100 385 SELECT RTD PROBE TYPE P100 385 SELECT DONE 2 4 7 Damping Damping can be turned ON or OFF using the Damping menu selection When damping is ON the calibrator displays an running average reading of ten measurements The calibrator makes approximately 3 readings per second 2 4 8 Pump Limits To prevent overpressure of sensitive devices the maximum pressure pump limit can be set When in this mode use the arrow keys to set the maximum pressure 2 4 9 HART Resistor An internal 250 ohm HART Resistor can be enabled when the BetaGauge 330 is operated in the mA Measure 24V mode This allows a HART Communicator to be connected across the mA terminals and eliminates the need for adding an external resistor Note When the HART resistor is on the maximum load driving capacity is 750 ohms 3 Initial Setup and Basic Pressure Generation 1 The BetaGauge 330 is supplied with a special
5. For example If you send ERROR MODE It will return ON if the calibrator is in percent error mode ERROR PORT Sets the pressure port for percent error For example To set the pressure port for percent error to P1 send ERROR PORT P1 ERROR _ PORT Returns the current pressure port for percent error mode For example If you send ERROR it will return P1 if the pressure port in percent error is P1 FUNC Sets the display indicated in argument one to the function indicated in argument 2 For example To set the lower display to RTD mode send FUNC LOWER RTD FUNC Returns the current mode of all displays For example if the calibrator is set to P2 ST on the upper display P1 on the middle and RTD on the lower FUNC Would return ST P2 P1 RTD HART ON Turns the Hart resistor on HART OFF Turns the Hart resistor off HART Returns the state of the Hart resistor For example If the Hart resistor was on HART Would return ON HI ERR Sets the 10096 point for the percent error mode calculation in the current engineering units For example To set the 100 point to 100 psi send HI ERR 100 HI ERR Returns the 100 point for the percent error mode calculation For example If the 10096 point is set to 100 psi HI ERR would return 1 000000E 02 PSI IO STATE Sets the input output simulate state of the mA function of the calibrator Does not put the calibrator in mA if it is not in it already
6. Instrument Setup Recall General 5 last used on power up Environmental Operating Temperature Storage Temperature 10 C to 50 C 20 C to 60 C Power Requirements 12 VDC Battery Eight 8 AA alkaline Lithium or NiMh cells Physical Dimensions 8 H x 4 W x 2 375 D Weight 2 5 Ibs 1 2 kg EMI RFI Conformance EN50082 1 1992 and EN55022 1994 Class B Safety IEC 1010 Low Voltage Directive Connectors Ports Pressure one 1 8 NPT BetaPort P pressure module adapter RTD probe Included Accessories Soft case batteries manual NIST traceable certificate test leads and hose kit Ranges 12 to 30 000 psi psia 12 to 150 00 psi psia 12 to 300 00 psi mA 0 to 24 000 mA Volts 0 to 30 000 VDC RTD 40 0 C to 150 0 C 40 0 F to 302 0 F Engineering Units psi bar mbar kPa MPa kgcm2 mmH O 4 C mmH O 20 C 4 C 9 20 C inH O 9 4 C inH O 20 C inH O 60 F mmHg 0 C inHg 0 C Accuracy Pressure All Ranges 6 months 025 F S 1 year 03596 F S mA 0 015 of rdg 0 002mA Volts 0 015 of reading 0 002V RTD ohms 0 015 of rdg 0 02 ohms or 0 1 C 0 for Pt100 Temperature Effect all functions No effect on accuracy on all functions from 15 C to 35 C Add 0 002 F S C for temps outside of 15 C to 35 C Optional LPT100A Probe Meets PT 100 AL
7. and 100 point will be saved in non volatile memory until they are changed again by the user for the internal sensors and external pressure modules When using an external module the 0 and 100 are set to low and full scale of the module until the user changes it or if it was previously saved P1 ps 0 0000 mA measure 25 0096 0 000 mA 29 00 CONFIG LIGHT EXIT 96 Error 10 Minimum and Maximum Storage Capability 24 The 300 Series Pressure Calibrators have a min max feature for capturing the minimum and maximum values of any displayed parameter The min max function can be accessed by stepping through the menu options until min max is shown on the display above the F1 key At this time pressing the F1 key will toggle the display through the min max values that are stored in the min max registers These readings are live so that the new min max values will be recorded while in this mode P1 psi P1 psi 0 003 30 000 mA 25 00 mA 25 00 4 000 mA 20 001 mA MIN CLEAR DONE MAX CLEAR DONE To reset the min max registers simply press the clear key These registers are also cleared at power up or when the configuration is changed 11 Factory Setups The Calibrator is loaded with five factory commonly used setups These setups are shown below Note Any of these setups can be changed and saved by the user Setup 1 The upper display is set to P1 mode and the lower
8. 1551 5 7757 3 15515 inHg 0 C 2 03602 61 081 305 40 610 81 Proof pressure maximum allowable pressure without a shift in calibration Burst pressure sensor damaged or destroyed some risk of personnel injury Absolute ranges the data for the 30 PSI 2 0 Bar 150 PSI 10 Bar and 300 PSI 20 Bar ranges also applies to the absolute pressure versions of those ranges MARTEL LECTRONICS www martelcorp com e mail sales martelcorp com Tel 603 434 1433 800 821 0023 Fax 603 434 1653 Martel Electronics 3 Corporate Park Dr Derry NH 03038 9 11 Rev F 0219782
9. is set to mA middle is off Setup 2 The upper display is set to P1 mode and the lower is set to RTD middle is off Setup 3 The upper display is set to P1 mode and the middle is set to RTD lower is mA 25 Setup 4 The lower display is set to P1 switch test the other displays are off P1 ST CLOSE psi 0 000 CONFIG LOWER MORE Setup 5 The upper display is set to P1 the middle display is set to EXT and the lower display is set to RTD P1 0 00 psi EXT 0 00 psi i 23 50 C MENU LOWER LIGHT 12 Custody Transfer Flow Calibration The Model 330 is ideal for flow computer calibration Every manufacturer of flow computers has a different calibration procedure but most call for calibration of three parameters static pressure differential pressure and temperature To facilitate these measurements recall setup 5 on the 330 1 Connect the calibrator to your static and differential pressures P1 EXT Then connect the RTD sensor to the calibrator 2 Using the reading of your RTD static and differential pressures make sure the flow computer has the correct reading If not adjust the flow computer as necessary 13 Remote Operation 26 13 1 Remote Interface The calibrator can be remotely controlled using a PC terminal or by a computer program running the calibrator in an automated system It uses an RS 232 serial port connection for remote operation NO
10. low volume calibration hose kit to facilitate faster pumping to pressure and quick pressure stabilization the kit also comes with the required quick fit hose connectors and a BSP adapter for non NPT applications It is highly recommended that this type of hose is used to achieve the best performance of the product Once the fittings are installed and the calibrator is connected to the unit under test UUT the calibrator is ready for use Figure 5 shows a typical setup 2 Before generating pressure make sure you have the 330 configured for your application If needed review section 2 of the manual again to select the proper configuration 3 Make sure that the pressure vacuum knob is set for the function you want to perform for pressure and for vacuum 4 Close the vent knob 5 Press the pump key or manually stroke the pump on the 300psi 20 bar model and watch the pressure or vacuum increase until you reach the desired pressure Note On the electric pump version the motor speed will start slowly when pressure is low lt 15psi to allow better control at low pressures 6 Use the fine adjustment vernier to fine tune the pressure vacuum reading as needed 7 To reduce or bleed off the pressure entirely slowly rotate the vent knob to the open position Doing this step carefully will allow you to control the pressure bleed rate to a high degree and will facilitate taking down scale pressure readings 3 1 Electric Pump Co
11. measurements 4 Arrow Keys Used to control mA source sim and to set pump and error limits 5 Home Key Return to main menu screen 6 Pump Key Push to run pump Electric pump version Backlight Figure 2B only for manual pump version Note When the ca librator is turned on by pressing the ON OFF key it will go through a short startup self check routine During that routine the display shows the current firmware revision level auto shutdown status and the range of the internal pressure sensor The calibrator requires a maximum of 5 minutes warm up to rated accuracy Large changes ina mbient temperature may require a longer warm up period See section 2 3 for instructions on zeroing the pressure sensor displays Pressure ranges should be zeroed e ach time the calibrator is started 2 o 886 fesses Figure 2B Keypad Manual Pump Version 2 1 Calibrator Display The Calibrator Display consists of two regions The menu bar located along the bottom of the screen is used to access a menu system The main display the rest consists of up to three process measurement sub regions These sub regions will henceforth be referred to as the UPPER MIDDLE and LOWER displays Figure 3 shows the location of the different display fields while table 3 describes them P1 oc P i 7250 pP 9 mA 25 00 0 000 CONF UPPER MORE Figure 3 Display Table 3 Display F
12. parameter was missing 106 An invalid command parameter was received 107 Pressure not selected 108 Invalid sensor type 109 Pressure module not connected 110 An unknown command was received 111 Bad Parameter received 112 The serial input buffer overflowed 1138 Too many entries in the command line 114 The serial output buffer overflowed 33 34 13 6 Entering Commands Commands for the calibrator may be entered in upper or lower case There is at least one space required between the command and parameter all other spaces are optional Almost all commands for the calibrator are sequential any overlapped commands will be indicated as such This section will briefly explain each of the commands and describe their general use which will include any parameters that may be entered with the command as well as what the output of the command is 13 6 1 Common Commands CLS Clears the error queue Also terminates all pending operations When writing programs use before each procedure to avoid buffer overflow IDN Returns the manufacturer model number and firmware revision of the Calibrator For example IDN will return BETA 330 0 1 00 13 6 2 Calibrator Commands CPRT_COEFA This command is used for entering a custom RTD into the calibrator The numeric value entered after the command will be set as the first coefficient of the polynomial used by the custom RTD For example CPRT COEFA 3 908300E 03 enters 3 908300e
13. the selected location The display menu will automatically go home SAVESETUP1 4 Y RCLSETUP 1 2 4 4 Setting AutoShut off Parameters The calibrator can be set to automatically shut off after a selected number of minutes this function can also be disabled To set the auto shut off parameters select the AUTO OFF option on the Auto Shut Off Main Menu AUTO OFF NEXT DONE Use the F2 F3 keys to select the number of minutes before the calibrator turns off or disable auto shut off by scrolling all the way down AUTO SHUTDOWN ON AUTO OFFDONE Use the AUTO OFF DONE option to set the parameters and return home The auto shut off time is reset whenever a key is pressed 2 4 5 Activating and Deactivating a Display Use the DISPLAY option on the Display Selection Main Menu to access the Display Activation Menu DISPLAY NEXT DONE The display option can be used to select which display to act upon The ON OFF option turns the selected display on or off The selected display and current on off state are displayed in the lower display MIDDLE ON ON OFF MIDDLE DONE Use the DONE option to save the changes and return home When a display is deactivated its configuration is retained When the display is activated its configuration is 11 checked against the configurations of the other currently active displays if the configurations are in conflict the recalled display
14. 00E 02 OHM DAMP Turns the dampening function on or off For example If you send DAMP ON this will turn the dampening function on DAMP Returns the current state of the dampening function For example If you send DAMP It will return ON if the dampening function is on DISPLAY Turns the indicated display on or off For example If you send DISPLAY LOWER ON this will turn the lower display on DISPLAY Returns the current state of the each of the displays For example 35 36 If you send DISPLAY It will return ON ON ON if the all the displays are on FAULT Returns the error code number of an error that has occurred The command may be entered when the previous command did not do what it was meant to do For example if a value for current output is entered that is bigger than the supported range 0 24mA FAULT Would return 103 which is the code number for an entry over range Refer to the Error Codes table for more information on error code numbers ERROR _LOOP Turns loop power on or off in percent error mode For example To set loop power on send ERROR_LOOP ON ERROR _LOOP Returns the current state of loop power in percent error mode For example If you send ERROR_LOOP It will return ON if loop power is on in error mode ERROR_ MODE Turns percent error mode on and off For example To turn on percent error mode send ERROR_MODE ON ERROR _ MODE Returns the current state of percent error mode
15. 3 as coefficient A CPRT COEFA Returns the number that was entered for the first coefficient of the polynomial used in the custom RTD Using the example above CPRT COEFA Would return 3 908300E 03 CPRT COEFB This command is used for entering a custom RTD into the calibrator The numeric value entered after the command will be set as the second coefficient of the polynomial used by the custom RTD For example CPRT COEFB 5 774999E 07 enters 5 774999E 07 as coefficient B CPRT COEFB Returns the number which was entered for the second coefficient of the polynomial used in the custom RTD Using the example above CPRT_COEFB Would return 5 774999E 07 CPRT_COEFC This command is used for entering a custom RTD into the calibrator The numeric value entered after the command will be set as the first coefficient of the polynomial used by the custom RTD For example CPRT COEFC 4 183000E 12 enters 4 183000E 12 as coefficient C CPRT COEFC Returns the number that was entered for the third coefficient of the polynomial used in the custom RTD Using the example above CPRT COEFC Would return 4 183000 12 CPRT RO Sets the 0 resistance RO in the custom RTD The value must be entered with a units label Refer to the Parameter Units table for assistance For example CPRT RO 100 OHM sets RO to 100 ohms CPRT RO Returns the value for the resistance in custom RTD The above example would return 1 0000
16. BETAGAUGE 330 Reference Manual MARTEL LECTRONICS BETAGauge 330 Reference Manual 1 Introduction 2 cee 1 1 1 Contacting Martel Beta 1 L2Standard i222 22 e882 HALA ee ek 1 T 3 Safety Information ssr ss sss ssns TER iind eia in dai a e aia ia 1 2 Calibrator Interface 4 21 Calibrator Display icceud enna Seals asas R A 6 2 2 Using the Backlight csse ke eR aE 8 2 3 Using the Zero Function 8 2 4 Other Menu Controlled Functions 9 3 Initial Setup and Basic Pressure Generation 12 4 Measuring Pressure 14 4 1 Media Compatibility 2 sien 14 4 2 Measuring Pressure with External Modules 14 5 Measuring Current 2 55 15 6 Measuring Voltage 17 7 Measuring Temperature with an RTD 17 8 Performing a Pressure Switch Test 18 9 Calibrating TransmitterS 20 9 1 Using the mA Input Function 1 1 20 9 2 Calibrating a Pressure to Current Transmitter 21 9 3 Percent Error Function ara 222i 22 10 Minimum and Maximum Storage Capability 24 11 Factory Setup
17. CT option will toggle through the choices for each parameter The first parameter is MODE Since voltage current and switch test modes all use the same jacks two of these functions cannot be used concurrently The ability to select certain functions is limited based on what is already selected in another display The NEXT option is used to change to the second parameter Only RTD and Pressure modes have a second parameter RTDs can be read in Celsius or Fahrenheit and Pressures can be read in 11 engineering units With a single display the following modes are available P 1 Pressure internal sensor EXT Pressure with external pressure module P 1 ST Switch Test with left side sensor EXT ST Switch Test with external pressure module Note mA functions are only available on the Lower Display mA measure Milliamps measure without loop power mA w 24V Milliamps measure with loop power mA source Milliamps source mA sim Milliamps simulate using an external supply from the UUT VOLTS Voltage Measure RTD RTD Temperature Measurement if a probe is connected The following table shows which functions are available concurrently An X in a column indicates that the mode in the active display will not be available for selection if the mode in that row is in use in any other display Table 4 Mode Concurrency OTHER DISPLAYS CURRENT DISPLAY P 1 EXT P 1 EXT mA mA Volts RTD ST ST L
18. PHA 385 Class A Specifications 42 15 Warranty Martel Electronics Corporation warrants all products against material defects and workmanship for a period of twelve 12 months after the date of shipment Problems or defects that arise from misuse or abuse of the instrument are not covered If any product is to be returned a Return Material Authorization form can be obtained from our website www martelcorp com under customer service You can also call 1 800 821 0023 to have a form faxed Martel will not be responsible for damage as a result of poor return packaging Out of warranty repairs and recalibration will be subject to specific charges Under no circumstances will Martel Electronics be liable for any device or circumstance beyond the value of the product 16 Maintenance 16 1 Replacing Batteries Replace batteries as soon as the battery indicator turns on to avoid false measurements If the batteries discharge too deeply the BETA 330 will automatically shut down to avoid battery leakage Note Use only AA size alkaline or Lithium batteries or optional rechargeable NiMh cells 16 2 Cleaning the Unit Warning To avoid personal injury or damage to the calibrator use only the specified replacement parts and do not allow water into the case Caution To avoid damaging the plastic lens and case do not use solvents or abrasive cleansers Clean the calibrator with a soft cloth dampened with water or water and m
19. TE To use the remote control option a custom RS 232 cable must be purchased from Martel LEM232 To contact Martel refer to Section 1 1 of this manual With this connection the user can write programs on the PC with Windows languages like Visual Basic to operate the calibrator or use a Windows terminal such as Hyper Terminal to enter single commands Typical RS 232 remote configurations are shown in Figure 13 COM PORT Figure 13 Calibrator to Computer Connection 13 2 Setting up the RS 232 Port for Remote Control Note The RS 232 connection cable should not exceed 15m unless the load capacitance measured at connection points is less than 2500pF Serial parameter values 9600 baud 8 data bits 1 stop bit no parity Xon Xoff EOL End of Line character or CR Carriage Return or both The LEM232 cable is used for RS 232 communications from the calibrator to a computer If the computer only has USB type ports a USB to RS 232 converter will be needed These can be obtained from most office supply and computer stores To connect the calibrator to the computer attach the LEMO connector end of the cable to the pressure module port on the right side of the calibrator and the DB 9 connector to the RS 232 port on the computer The calibrator should be turned off prior to making the connection and then turned on To set up remote operation of the calibrator on the Windows Hyper Terminal connected to a COM port on the PC as i
20. e output port and operate the pump to at least 50 of capacity 11 Release the pressure and repeat several times to ensure that the o rings seat properly 16 4 Service Center Calibration or Repair Only qualified service personnel should perform calibration repairs or servicing not covered in this manual If the calibrator fails check the batteries first and replace them if needed Verify that the calibrator is being operated as explained in this manual If the calibrator is faulty call for an RMA number or go to www martelcorp com to download an RMA form to return the unit Be sure to pack the calibrator securely using the original shipping container if it is available BetaGauge 330 Ranges and Resolutions Range PSI 30 PSI 2 0 Bar 150 PSI 10 Bar 300 PSI 20 Bar Burst Pressure PSI 300 300 2000 Proof Pressure PSI 60 200 600 Engineering Unit Factor Psi 1 30 000 150 00 300 00 bar 0 06894757 2 0684 10 3421 20 684 mbar 68 94757 2068 4 10342 1 20684 kPa 6 894757 206 84 1034 21 2068 4 MPa 00689476 0 2068 1 03421 2 0684 kg cm2 0 07030697 2 1092 10 5460 21 092 cmH20 4 C 70 3089 2109 3 10546 3 21093 cmH20 20 C 70 4336 2113 0 10565 0 21130 mmH20 4 C 703 089 21093 N A N A mmH20 20 C 704 336 21130 N A N A inH20 4 C 27 68067 830 42 4152 1 8304 2 inH2O 20 C 27 72977 831 89 4159 5 8318 9 inH2O 60 F 27 70759 831 23 4156 1 8312 3 mmHg 2 0 C 51 71508
21. est leads before changing to another measure or source function When servicing the calibrator use only specified replacement parts To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears A Caution To avoid possible damage to calibrator or to equipment under test e Use the proper jacks function and range for your measurement or sourcing application 2 Calibrator Interface Figure 1 shows the location of the pressure controls connection port and electrical inputs EN External Pressure Module Connector RTD Probe Connector Pressure Vacuum Selector ____ Knob Vent Knob Electrical Connections Pressure mA Volts Port Switch Test Pressure 7 vernier Adjust Firmware Programming P Connector um rm Factory use only Pressure Vacuum Valve Vacuum Vent O Open Close Figure 1 Figures 2A and 2B show the location of the keys Table 2 describes the function of each key 27 o d 9 a 2 2 Figure 2A Keypad Electric Pump Versions 0 O _ Table 2 Key Functions No Name Description 1 Function Keys These are soft keys used to configure the calibrator 2 ON OFF Key This key is used to turn the calibrator on and off 3 ZERO Key This key is used to zero pressure
22. f pressure calibration options including absolute and differential 1 1 Customer Service Corporate Office www martelcorp com e mail sales martelcorp com Tel 603 434 1433 800 821 0023 Fax 603 434 1653 Martel Electronics 3 Corporate Park Dr Derry NH 03038 1 2 Standard Equipment Check to see if your calibrator is complete It should include BetaGauge 330 Calibrator instruction manual test leads calibration hose kit with fittings carrying case calibration certificate with data 1 3 Safety information Symbols Used The following table lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Symbol Description AC Alternating Current 77 AC DC Battery MA CE Complies with European Union Directives DC Double Insulated m Description a OPP Ol Bi T d Electric Shock Fuse PE Ground Hot Surface Burn Hazard Read the User s Manual Important Information Off On Canadian Standards Association The following definitions apply to the terms Warning and Caution Warning identifies conditions and actions that may pose hazards to the user Caution identifies conditions and actions that may damage the instrument being used Use the calibrator only as specified in this manual otherwise injury and damage to the calibrator may occur A Warning To avoid possible electric shock or persona
23. he calibrator acts as a 2 wire transmitter and requires an external 24 volt supply Pressing any of the arrow keys will start the output mode and allow you to use the arrow keys to adjust the mA output The function keys can also be used to step the output in either 25 steps 4 8 12 16 20 mA or 0 4 mA and 100 20 mA While in the mA output mode if the loop is opened or the compliance is exceeded the unit will flash 15 mA MEASURE 75 00 16 000 mA CONFIG LOWER MORE mA SOURCE 100 00 20 000 mA MENU LOWER LIGHT mA SIM 2W 100 00 20 000 mA MENU LOWER LIGHT mA MEAS 24V 100 00 20 000 mA MENU LOWER LIGHT 16 o6 s Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4 Power Supply 6 Measuring Voltage To measure voltage use the input terminals in the front of the calibrator Select the Volts function on one of the displays The calibrator can measure up to 30V Note The display will indicate OL when the measured voltage exceeds the nominal range of voltage measurement 30 V VOLTS CONFIG LOWER MORE Device Up to 30V Test 30 000 V Figure 8 7 Measuring Temperature with an RTD To measure temperature using an RTD probe you must select the RTD function on one of the displays Ma
24. he calibrator prompts the user to enter the barometric reference pressure This is done using the arrow keys F2 and F3 Keys The sensor port should be open vented to atmosphere while performing this procedure PRESSURE REF psi 14 469 DONE SET 2 4 Other Menu Controlled Functions There are 12 sub main menus that can be accessed through the MORE option of the Main Menu A sub main menu contains three options The first option is unique to the function The second and third options of a sub main menu are always the same The NEXT option leads to the next sub main menu and the DONE option returns home For the last sub main menu the NEXT option wraps around to home See Figure 4 for a detailed mapping of the menu structure A note on naming convention If a sub main menu has subordinate menus it will henceforth be referred to as function Main Menu E g the display contrast sub main menu will be called the Contrast Main Menu If not it will be called the function menu 2 4 1 Setting the Contrast From the Contrast Main Menu choose the CONTRAST option to access the Contrast Adjustment Menu CONTRAST NEXT DONE Use the F2 F3 keys to adjust the display contrast to the desired level and then use the CONTRAST DONE option to return home CONTRAST DONE 2 4 2 Locking and Unlocking Configurations Use the LOCK CFG or UNLOCK CFG option of the Configuration Lock Menu to loc
25. ild soap 16 3 Valve Cleaning Procedure Occasionally the BetaGauge 330 may not work properly due to dirt or other contamination of the internal valve assembly Use the following procedure for cleaning the valve assembly If this procedure does not fix the problem a repair kit part number 1010043 may be ordered 1 Using a small screwdriver remove the 2 valve retention caps located in the battery compartment area see Figure 1 page 4 2 After the caps have been removed gently remove the spring and o ring assembly 3 Setaside the valve assemblies in a safe area and clean out the valve body using a cotton swab soaked in IPA isopropyl alcohol 4 Repeat the process several times using a new cotton swab each time until there is no remaining evidence of contamination or dirt 5 Operate the pump handles several times and recheck for contamination 43 44 6 Clean the o ring assembly and the o ring on the retention caps with IPA and inspect the o rings closely for any damage or excessive wear Replacements are included in the repair kit if needed 7 Inspect the springs for wear or loss of tension They should be approximately 8 6 mm long in the relaxed state If shorter they may not provide sufficient sealing tension Replace if needed 8 Once all parts have been cleaned and inspected reinstall the o ring and spring assembly into the valve body 9 Reinstall the retention caps and gently tighten each cap 10 Seal th
26. ing from 32768 to 32768 For example FAULT could return 110 Refer to the Error Codes table Table 8 for more information on error codes Floating Floating numbers have up to 15 significant figures and exponents For example CPRT_COEFA returns 3 908300E 03 Character Response Data CRD Data returned as keywords For example RTD TYPE returns PT385 100 Indefinite ASCII IAD Any ASCII characters followed by a terminator For example IDN returns BETA 330 250 1 00 29 30 13 4 4 Calibrator Status Error Queue If an error occurs due to invalid input or buffer overflow its error code is sent to the error queue The error code can be read from the queue with the command FAULT The error queue holds 15 error codes When it is empty FAULT returns 0 The error queue is cleared when power is reset or when the clear command CLS is entered Input Buffer Calibrator stores all received data in the input buffer The buffer holds 250 characters The characters are processed on a first in first out basis 13 5 Remote Commands and Error Codes The following tables list all commands and their descriptions that are accepted by the calibrator Table 5 Common Commands Command Description CLS Clear status Clears the error queue IDN Identification query Returns the manufacturer model number and firmware revision le
27. k or unlock the display configuration LOCK CFG NEXT DONE When the LOCK CFG option is chosen the menu display returns home and the CONFIG option on the Main Menu indicates that it is locked Also all menus are locked out with the exception of the Min Max Menu Contrast Adjustment menus and the Configuration Lock Menu When the UNLOCK CFG option is chosen the configuration is unlocked and the menu display continues to the next sub main menu 2 4 3 Saving and Recalling Setups The calibrator will automatically save the current set up for recall at power up Additionally 5 set ups can be accessed through the SETUPS menu Select the SETUPS option from the Setups Main Menu SETUPS NEXT DONE Choose SAVE to save a set up RECALL to recall the set up or DONE to do nothing and return home SAVE RECALL DONE 9 Top Level MENU DISPLAY LIGHT Main Menu CONFIG DISPLAY MORE e Parameter Selection Error Main Menu SELECT NEXT DONE ERROR NEXT DONE i Min Max Main Menu i MINMAX NEXT BH Max Display Menu MAX CLEAR DONE Min Display Menu MIN CLEAR ES Error Main Menu CONFIG LIGHT EXIT Contrast_Main Menu CONTRAST NEXT DONE Contrast Adjust Menu Backt contrast pone 4 T Y Top Level i Lock Config Menu LOCK CONFIGI NEXT DONE
28. ke sure the proper probe type is selected There are 4 probe types supported P100 385 P100 392 P100 JIS and CUSTOM The standard probe has a 10 insertion depth with a 1 4 diameter stainless steel sheath Note The factory default type is PT100 385 so if the 330 is being used with the Martel Model LPT100A probe you do not have to set the probe type Simply plug the probe into the 330 and configure the display to read temperature Note The display will indicate when the measured temperature is outside the nominal measurement range of the RTD function below 40 C or above 150 C If a custom probe is being used the entering of RO and coefficients is handled through the serial interface see section 13 17 RTD Probe Figure 9 8 Performing a Pressure Switch Test BETAGAUGE MODEL 330 P1 ST CLOSE psi CONFIG MORE C lt gt Pressure Switch Use low volume P d tubing when possible Figure 10 To perform a switch test follow these steps 1 Change the setup to Setup 4 default switch test Setup 4 The upper display is set to P1 ST all other displays are off Important NOTE The pressure Switch Test can be performed with the following functions P1 ST or EXT ST 2 Connectthe calibrator to the switch using the pressure switch terminals The polarity of the terminals does not matter Then connect the pump to
29. l injury Do not apply more than the rated voltage See specifications for supported ranges Follow all equipment safety procedures Never touch the probe to a voltage source when the test leads are plugged into the current terminals Do not use the calibrator if it is damaged Before you use the calibrator inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Select the proper function and range for your measurement Make sure the battery cover is closed and latched before you operate the calibrator Remove test leads from the calibrator before you open the battery door Inspect the test leads for damaged insulation or exposed metal Check test leads continuity Replace damaged test leads before you use the calibrator When using the probes keep your fingers away from the probe contacts Keep your fingers behind the finger guards on the probes Connect the common test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first Do not use the calibrator if it operates abnormally Protection may be impaired When in doubt have the calibrator serviced Do not operate the calibrator around explosive gas vapor or dust When measuring pressure make sure the process pressure line is shut off and depressurized before you connect it or disconnect it from the pressure module Disconnect t
30. l injury may occur due to improper application of pressure Please refer to the table of ranges and resolutions at the back of this manual for information on overpressure and burst pressure ratings Vacuum should not be applied to any gauge pressure sensor The calibrator display will indicate OL when an inappropriate pressure is applied If OL is observed on any pressure display the pressure should be reduced or vented immediately to prevent damage or possible personnel injury is displayed when the pressure exceeds 110 of the nominal range of the sensor or when a vacuum in excess of 2 PSI is applied on gauge range sensors Use the ZERO key to zero the pressure sensor when vented to atmospheric pressure Important NOTE To protect sensor integrity and prevent damage to the sensor the calibrator will display OL overload when the applied pressure exceeds 110 of the full scale calibrated range of the sensor Important NOTE To ensure accuracy of the calibrator it is critical to zero the calibrator before a device is calibrated See section 2 3 4 1 Media Compatibility The BetaGauge 330 feature a unique user accessible valve cleaning port to facilitate servicing the pump Section 16 3 shows how to clean these valves Even though servicing the pump is easy care should be taken to only expose the calibrator to clean dry gases 4 2 Measuring Pressure with External Modules The calibrator provides a digital interface to Exte
31. n Figure 23 use the following procedure 1 Start Hyper Terminal located in Accessories Communications of the Windows Start menu 2 Select New Connection 3 For Name enter Beta 330 Select the serial port that the calibrator is connected to 4 Enter the above information for port settings 27 5 Select ASCII setup from File Properties Settings and mark these choices Echo typed characters locally Wrap lines that exceed terminal width 6 Select Ok 7 To see if the port works enter IDN This command will return information on the calibrator 13 3 Changing Between Remote and Local Operation There are three modes of operation of the calibrator Local Remote and Remote with Lockout Local mode is the default mode Commands may be entered using the keypad on the calibrator or using a computer In Remote mode the keypad is disabled and commands may only be entered using a computer but choosing GO TO LOCAL from the menu on the calibrator display will restore keypad operation In Remote with Lockout the keypad can not be used at all To switch modes proceed as follows 1 To enable Remote mode type in the serial command REMOTE at the computer terminal 2 To enable Remote with Lockout type in REMOTE LOCKOUT in either order 3 To switch back to local operation enter LOCAL at the terminal This command also turns off LOCKOUT if it was on For more information on commands refer to the Remote Commands section 13 4 Usi
32. ng Commands 13 4 1 Command types Refer to the Section 10 5 on Remote Commands for all available commands The calibrator may be controlled using commands and queries All commands may be entered using upper or lower case The commands are divided into the following categories Calibrator Commands Only the calibrator uses these commands For example VAL asks for the values displayed on the calibrator display Common Commands Standard commands used by most devices These commands always begin with an For example IDN tells the calibrator to return its identification Query Commands Commands that ask for information they always end with a For example FUNC Returns the current modes of the calibrator displays Compound Commands Commands that contain more than one command on one line For example RTD_TYPE PT385 100 RTD TYPE Sets the calibrator to RTD type PT385 100 and queries it to verify It will return PT385 100 13 4 2 Character Processing The data entered into the calibrator is processed as follows ASCII characters are discarded if their decimal equivalent is less than 32 space except 10 LF and 13 CR Data is taken as 7 bit ASCII The most significant data bit is ignored Upper or lower case is acceptable 13 4 3 Response Data Types The data returned by the calibrator can be divided into four types Integer For most computers and controllers they are decimal numbers rang
33. nit the RTD is set to read on the indicated display VAL Returns the measured values ZERO MEAS Zeros the pressure module ZERO MEAS Returns the zero offset of the pressure module Table 7 Parameter units Units Meaning CEL Temperature in degrees Celsius CUSTOM Custom RTD type DCI Current function DCV Voltage measure function EXT External pressure measurement function FAR Temperature in degrees Fahrenheit 32 LOWER Designates Lower display MA Milliamps of current MEASURE Measure state MEAS_LOOP Measure with loop power state MIDDLE Designates Middle display OHM Resistance in ohms PCT_ERR Percent Error PERCENT Percent PT385_100 100 Ohm 385 Platinum RTD type PT392_100 100 Ohm 392 Platinum RTD type PTJIS_ 100 100 Ohm JIS Platinum RTD type P1 P1 pressure measurement function RTD Temperature measure function ST P1 Switchtest mode with P1 ST EXT Switchtest mode with external module SOURCE Source state SIM Simulate state UPPER Designates Upper display V Voltage Table 8 Error Codes Error Number Error Description 100 A non numeric entry was received where it should be a numeric entry 101 Too many digits entered 102 Invalid units or parameter value received 103 Entry is above the upper limit of the allowable range 104 Entry is below the lower limit of the allowable range 105 A required command
34. nsiderations The BetaGauge 330 30 and 330 150 incorporate a small lightweight battery powered pneumatic pump that allows the user in the case of the 330 150 to build relatively high pressure up to 150psi 10Bar quickly and with good control Because the pump has an upper pressure generation limit of 160psi there may be atmospheric conditions where it cannot achieve the full scale pressure of 150psi High altitude use about 3000 ft or 1000 meters or use at cold temperatures may limit the pump to about 135psi 9 Bar In these cases the vernier adjustment can be used to generate the additional pressure needed if full scale pressure must be generated In these situations the user should begin the calibration with the vernier in the full counter clockwise position and then when the electric pump reaches its limit turn the vernier in the clockwise direction to raise the pressure and to set the desired reading Figure 5 i 4 Measuring Pressure To measure pressure connect the calibrator using an appropriate fitting Choose a pressure setting for the display being used The calibrator is equipped with one internal sensors and many optional external sensors EPMs are available Be sure to choose the sensor based on working pressures and accuracy Note Pressure sensors may be damaged and or personne
35. oop P 1 EXT P 1 ST X X X X X EXT ST X X X X X mA X X X X mA Loop X X X X Volts X X X X RTD X Not a valid mode 2 1 1 3 Accessing Other Menus Use the MORE option on the Main Menu to access the other menu functions 2 2 Using the Backlight The backlight is controlled by the LIGHT softkey on the main menu on the models with electric pump The 330 300 psi has a dedicated backlight key It toggles on and off when the key is pressed this is one of the few functions that cannot be controlled by the serial interface There are no user configuration settings for the backlight 2 3 Using the Zero Function When the ZERO KEY is pressed the calibrator will zero the active display if a pressure mode is selected and the pressure is within the zero limit The zero limits are within 10 of the full scale range of the selected sensor If the display indicates OL the zero function will not operate Note The ZERO KEY is only used for pressure 2 3 1 Internal Sensor and Pressure Module non absolute When a sensor or module is selected on the active display and the ZERO KEY is pressed the calibrator subtracts the current reading from the output The zero limits are within 10 of the full scale range of the selected sensor If the display indicates OL the zero function will not operate 2 3 2 Absolute Pressure When an absolute pressure range is selected on the active display and the ZERO KEY is pressed t
36. or s mA state STATE Return the calibrator s mA state LOCAL Returns user to manual operation of the calibrator LOCKOUT Locks out the keypad of the calibrator in remote operation LO ERR Sets the 0 of span limit for percent error mode LO ERR Returns the 0 of span limit for percent error mode MOTOR ON Turns the motor on MOTOR OFF Turns the motor off MOTOR Returns the current state of the Hart resistor OHMS Returns ohms value measured from the RTD OUT Set the calibrator to output the requested current OUT Returns the value of the current being simulated PRES UNIT Set the pressure unit for the indicated display PRES UNIT Returns the pressure from the indicated display PUMP LIMIT Sets the approximate value at which the pump will turn off PUMP LIMIT Returns the approximate value at which the pump will turn off REMOTE Puts the calibrator in remote mode RTD TYPE Sets the RTD type RTD TYPE Returns the RTD type SIM Set the calibrator to simulate the requested current SIM Returns the value of the current being simulated ST CLOSE Returns pressure value at which the switch closed ST DEAD Returns pressure value of the deadband of the switch ST OPEN Returns pressure value at which the switch opened ST START Starts a switch test TEMP UNIT Set the RTD to read in F or C on the indicated display TEMP UNIT Returns the u
37. rnal Pressure Modules These modules are available in various ranges and types including gauge vacuum differential and absolute The modules work seamlessly with the calibrator Simply plug them into the interface and select EXT external sensor Since the interface between the calibrator and the module is digital all the accuracy and display resolution is derived from the module BETAGAUGE Model BPPA VALVE Pressure Module Adapter PRESSURE MODULE Figure 6 5 Measuring and Generating Current 4 to 20 mA 1 To measure current use the input terminals in the front of the calibrator Select the mA function on the lower display Current is measured in mA and percentage of range The range on the calibrator is set to 0 at 4 mA and 100 at 20 mA For example If the current measured is displayed as 75 then the mA value is 16 mA Note The display will indicate when the measured current exceeds the nominal range of current measurement 24 milli amp mps To source current the same connections are used From the configuration screen select mA source or mA Sim 2W Note that this function can only be done on the LOWER screen Also in the source mode the calibrator will generate O to 24 mA using its own internal 24 volt supply whereas in the simulate mode t
38. rrent output at 5 mA OUT Returns the output of the calibrator Using the above example OUT Would return 5 000000E 03 A PRES_UNIT Used to set the pressure unit for the indicated display For example To set the pressure unit to psi on the lower display send PRES_UNIT LOWER PSI PRES_UNIT Returns the pressure unit used when measuring pressure for each of the 3 displays PUMP_LIMIT Sets the approximate pressure in psi at which the pump will turn off For example PUMP LIMIT 50 sets the approximate value that the pump will shutoff at to 50 psi PUMP_LIMIT Returns the pump limit Using the above example PUMP_LIMIT Would return 50 000 REMOTE Puts the calibrator in remote mode From the remote mode the user can still use the keypad to get back to local unless the command LOCKOUT was entered before REMOTE Then the keypad is totally locked out and the user has to send the LOCAL command to get back to local operation RTD_TYPE Sets the RTD type The following is a list of RTD types the way they should be entered after the command 39 40 PT385_100 PT392_100 PTJIS 100 CUSTOM For Example TYPE PTS385 100 sets RTD type to PT100 385 RTD TYPE Returns the RTD type For Example If the RTD type is PT385 100 TYPE Will return PT100 385 SIM Sets the output for current simulation This command also switches the calibrator into mA simulation mode A number and a unit must be entered after the command
39. s 25 12 Custody Transfer Flow Calibration 26 13 Remote Operation 26 13 1 Remote Interface wu es ako WAXXXXEXERERERERRRERERRZRERARA 26 13 2 Setting up the RS 232 Port for Remote Control 27 13 3 Changing Between Remote and Local Operation 28 13 4 Using CommahdS iso s AR WEERERERENRNRERERERRE 28 13 5 Remote Commands and Error Codes 31 13 6 Entering Commands l llllllll hh 34 14 Specifications 42 15 Warranty 1 Ron mnc Rn Rm RUE RO EUR RR n 43 16 Maintenance 43 16 1 Replacing Batteries 43 16 2 Cleaning the Unit cub dos 43 16 3 Valve Cleaning 43 16 4 Service Center Calibration or Repair 44 1 Introduction The BetaGauge 330 is designed to be a simple to use yet very versatile pressure calibrator Its internal pressure sensor combined with an innovative electrically powered pump along with inputs for mA voltage switch contacts and an RTD probe allow the 330 to calibrate virtually any pressure device The model 330 300 uses a manual pump to reach higher pressures up to 300 psi An external pressure module option allows an even wider range o
40. s and has a unique menu structure It simultaneously displays pressure mA and percent error Figure 12 Example Suppose a pressure transmitter under test is 30 psi 2 Bar Full Scale and outputs a corresponding 4 to 20 mA signal The user can program in a 0 to 30 psi pressure span into the calibrator and the calibrator will calculate and display the deviation or Error from the expected 4 to 20 mA output This eliminates the need for manual calculations and also helps if it becomes difficult to set an exact pressure with an external pump To use the ERROR function proceed as follows 1 With the calibrator turned on and operating press the F3 key to activate the MORE menu option Now press the F1 key to activate the ERROR option 2 Press the F1 key to select the CONFIG option 3 The first option is setting the Port use the select option to scroll through the port choices when finished select the NEXT option ERROR PORT P1 SELECT NEXT DONE 4 LOOP POWER can be toggled on off select NEXT when done 5 Use SELECT to toggle through the UNIT options and select NEXT to move on 6 Use the arrow keys to set the 100 point of the desired pressure range select DONE SET when finished 7 Again use the arrows to set 0 point and select DONE SET when finished and the ERROR mode will be ready to use 23 Note The 0
41. switch the display will just read OPEN instead of CLOSE 9 Calibrating Transmitters 9 1 Using the mA Input Function The mA input function allows the user to read back the 4 20 mA output from the device being calibrated This can be done in one of two ways 1 Passively Where the device under test directly generates 4 20 mA and can be read by the calibrator 2 Actively Where the calibrator supplies 24 VDC loop power to the device under test to power the device while reading the resulting 4 20 mA signal 20 P1 mA MEASURE 30 000 20 000 mA CONFIG LOWER MORE psi 100 00 P1 mA MEAS 24V CONFIG LOWER 30 000 20 000 mA psi 100 00 MORE 9 2 Calibrating a Pressure to Current Transmitter calibrate a pressure to current transmitter perform the following steps 1 Connect the calibrator and the pump to the transmitter 2 Apply pressure with the pump 3 Measure the current output of the transmitter 4 Ensure the reading is correct If not adjust the transmitter as necessary Use low volume P al tubing when possible Figure 11 21 9 3 Percent Error Function 22 The calibrator features a unique function which can calculate pressure vs milliamp error as a percentage of the 4 to 20 mA loop span The percent error mode uses all 3 screen
42. the calibrator and the pressure switch 3 Make sure the vent on the pump is open Zero the calibrator if necessary Close the vent after zeroing the calibrator 4 The top of the display will read CLOSE P1 ST CLOSE psi 0 000 CONFIG LOWER MORE 5 Apply pressure with the pump slowly until the switch opens Important NOTE In the switch test mode the display update rate is increased to help capture changing pressure inputs Even with this enhanced sample rate pressurizing the device under test should be done slowly to ensure accurate readings 6 Once the switch is open OPEN will be displayed bleed the pump slowly until the pressure switch closes P1 ST OPEN psi 30 000 CONFIG LOWER MORE 7 Atthe top of the display it will now read SW OPENED AT and give you the pressure that the switch opened at SW OPENED AT psi 30 000 NEW TEST NEXT DONE 8 Press the NEXT option to view when the switch closed and the dead band 19 SW CLOSED AT psi 29 999 NEW TEST NEXT DONE SW DEADBAND psi 0 405 NEW TEST NEXT DONE 9 Press the NEW TEST option to clear the data and perform another test 10 Press the DONE option to end the test and return to the standard pressure setting Example P1 ST will return to P1 Important NOTE The previous example uses a normally closed switch The basic procedure is still the same for a normally open
43. unctions No Name Description 1 Primary Parameters Indicates what is being measured 2 Span Indicator Indicates the percent of the 4 to 20 mA span For mA and mA Loop functions only 3 Pressure Units Indicates one of 15 pressure units available for display 4 Units Indicates the unit of measure for the display 2 1 1 Top Level Menu Functionality There are three options for this menu MENU Active Display and LIGHT The Top Level Menu is home for the menu display MENU LOWER LIGHT 2 1 1 1 Using the MENU Option The MENU option is the gateway to the rest of the menu system 2 1 1 2 Using the Active Display Option The active display is indicated by the center option on the Top Level Menu It is used to select the display to which the ZERO key will apply 2 1 1 3 Using the LIGHT OPTION The backlight can be toggled on and off using this key 2 1 2 Main Menu Functionality There are three options on the Menu CONFIG Active Display and MORE The Main Menu is home for the menu display CONFIG LOWER MORE 2 1 2 1 Setting the Active Display The active display is indicated by the center option on the Main Menu pressing the F2 key will toggle the active display 2 1 2 2 Setting Active Display Parameters To set the parameters of the active display use the CONFIG option to get to the Display Configuration Menu SELECT NEXT DONE Here the SELE
44. vel of the Calibrator RST Resets the calibrator to the power up state Table 6 Calibrator Commands Command Description CPRT_COEFA Sets the custom RTD coefficient A CPRT_COEFA Returns the custom RTD coefficient A CPRT_COEFB Sets the custom RTD coefficient B CPRT_COEFB Returns the custom RTD coefficient B CPRT_COEFC Sets the custom RTD coefficient C CPRT_COEFC Returns the custom RTD coefficient C CPRT_RO Sets the custom RTD RO resistance CPRT_RO Returns the custom RTD RO resistance DAMP Turns Damp on or off DAMP Returns if DAMP is on off DISPLAY Turns on off the displays specified in the command DISPLAY Returns which displays are on off ERROR_LOOP Turns loop power on or off in percent error mode ERROR_LOOP Returns the current state of loop power in error mode ERROR_MODE Turns percent error mode on or off ERROR_MODE Returns whether percent error mode is on or off ERROR_PORT Set the pressure port for percent error mode ERROR_PORT Returns the pressure port for percent error mode FAULT Returns the most recent error code FUNC Sets the display mode as specified in the command FUNC Returns the current mode of the upper middle and lower display HART_ON Turns the hart resistor on HART_OFF Turns the hart resistor off HART Returns the current state of the Hart resistor HI ERR Sets the 10096 of span limit for percent error mode HI ERR Returns the 10096 of span limit for percent error mode 31 IO STATE Set the calibrat
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