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EN-30

K319 Issue 2

Source in scaled readings

Dial directly in scaled readings to SET a related source signal as
set-up. Press EXE to actually source the signal. The

and

key

functions are available for fine adjustment of the source. For details
see the chapter “SPECIAL MEASUREMENT FUNCTIONS” section
"Scaled Readings".

User Power Supplies

Power supplies available for the user are designed to power
transmitters, control and transducer Wheatstone bridges. The
following power supplies are available at the terminals as indicated:

24 VDC fixed

, combined with the

mA measure

terminals,

current limited at 32 mA.

OR
24 VDC fixed

, combined with the

mA source

terminals,

current limited at 32 mA.

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Summary of Contents for Druck TRX-II

Page 1: ...GE Sensing Druck TRX II and TRX II IS Multi function Calibrator User manual K319 EN English 1 50 FR French 1 50 DE German 1 52 IT Italian 1 50 ES Spanish 1 50 PT Portuguese 1 52 ...

Page 2: ......

Page 3: ...Pressure Units Setting 9 Access Code Settings 9 Pressure Sensors 10 Calibration 10 System Setting 11 TO MEASURE ELECTRICAL SIGNALS 13 Millivolts 13 Volts 13 Milliamps XMT 13 Ohms 14 Frequency 14 Counter 15 Switch Contact Position Test 15 Circuit Continuity Tester 16 THERMOCOUPLE MEASUREMENTS 17 Using compensation wires 17 Using standard test leads copper wires 17 TO MEASURE A RTD 18 TO MEASURE PRE...

Page 4: ...ransmitter 31 Pressure Transmitter Calibrations 32 TRANSMITTER SIMULATION 33 Setting up a Simulation 33 To Simulate a Transmitter 33 PROGRAMMABLE SIGNAL CONVERTER 34 CE REMARKS 35 SUPPLEMENT FOR INTRINSICALLY SAFE CALIBRATOR TRX II IS 36 SERVICE REPAIR AND PARTS 39 Recalibration of the TRX II 39 Pressure Sensor 40 Fault Finding Procedures 41 Spare Parts List TRX II 43 SPECIFICATIONS TRX II 44 Stan...

Page 5: ...ance IF UNSURE CHECK BEFORE USE BEFORE USE WARNINGS 1 DO NOT exceed the maximum measurement ratings given on page 2 of the Certificate of Compliance 2 DO NOT open the instrument case in a hazardous area 3 Batteries must ONLY be fitted in a SAFE AREA 4 If fitted with rechargeable batteries the batteries must ONLY be charged in a safe area and only with the charger Type 13603 supplied for use with t...

Page 6: ...EN iv K319 Issue 2 ...

Page 7: ...K319 Issue 2 EN v English ...

Page 8: ...EN vi K319 Issue 2 ...

Page 9: ...K319 Issue 2 EN vii English ...

Page 10: ...EN viii K319 Issue 2 Blank page ...

Page 11: ...ure Measurements and Calibrations A range of pressure sensors is optionally available for pressure measurements and calibration Automatic Calibration To automate calibration routines and to store calibration data the unit has been provided with a memory card slot For the same purpose the unit has a RS232 cable connector to interface directly with a Personal Computer To perform automatic calibratio...

Page 12: ... leads 9 Source terminals for wire leads and 4 mm plugs Suitable for compensation wire leads and standard test leads 10 Measure terminals for 4 mm plugs Suitable for standard supplied test leads 11 Measure terminals for wire leads and 4 mm plugs Suitable for compensation wire leads and standard test leads 12 RS232 Connector To interface directly with Personal Computers Use is optional with compati...

Page 13: ...brator on the display screen will be as shown left Battery type Battery voltage TRX II Serial No EPROM versions installed DATE TIME Days left to next calibration Keys to work with The EXE key Pressing this key will execute choices or source level adjustments The CE key Press to cancel your previous key operation or to correct a typing error The NUMERICAL key pad Used to dial source levels or simul...

Page 14: ... Software option The Set up key Used to access the recording set up The As Fnd key To start As Found calibration procedure The Adjust key To start adjust procedure The As Left key To start As Left calibration procedure The View key To view recorded calibration results Functional Modes Reading measure signals only Leave the cursor at NONE in the source menu and select the required measure function ...

Page 15: ... Perform all key pad operations for the function required to keystroke up to working screen Press and hold while pressing the numerical key under which required to store the sequence To store a new function under a used key repeat above procedure to overwrite the old function Recalling a key pad operation sequence Press RCL and hold while pressing the appropriate numerical key To clear all keystro...

Page 16: ...and damage the calibrator Do not mix old and new batteries or batteries of different types such as carbon and alkaline If the calibrator is not to be used for a long period of time take out the batteries Remove and dispose of worn out batteries Never attempt to recharge or short circuit the batteries Changing from Alkaline to Rechargeable batteries Remove the Alkaline batteries Slide the battery t...

Page 17: ...icular brand of Ni Cd is recommended although cells rated at 2 0 Ah have preference over the more generally available 1 8 Ah cells Operating from 115 V or 230 V line voltage 50 or 60 Hz Use the Line Adaptor Charger 13603 only Other equipment may cause damage to the calibrator Check the indicated line voltage Connect the appropriate Line Adaptor Charger plugs to the line and to the calibrator Note ...

Page 18: ...lock to local date and time Leave the cursor at NONE at the measure and source menu and press the and EXE keys simultaneously to open the set up menu Select DATE TIME Press EXE again Select date and enter new date Press EXE to accept new date Repeat the above for time settings Press CE to leave the set up menu Temperature Setting Temperature simulations and measurements can be shown in either degr...

Page 19: ... at the measure and source menu and press and EXE keys simultaneously to open the set up menu Select PRESSURE UNITS and press EXE Select one of the 10 different pressure units and press EXE to change Press CE to leave the set up menu Note The reference temperature for in H20 or mH20 automatically changes according to the defined temperature setting C or F C refers to water temperature at 4 C and F...

Page 20: ... code can be typed in and confirmed by EXE 0000 as code is considered as no existing ACCESS CODE Note Registration of the ACCESS CODE is essential Pressure Sensors This menu enables the user to install and calibrate pressure sensors At the end of this manual a special chapter describes the sensor installation routine Calibration This menu enables the user to calibrate and adjust the TRX II At the ...

Page 21: ...ation Press the Light key to switch the backlight on When e g 30 seconds is selected the light will remain ON for maximum 30 seconds Each key pad operation will postpone shut off for another 30 seconds time period Timer Mode Off enables manual operation of the backlight Note It is recommended to select 30 seconds to save batteries if the unit is mainly used in the field Clear keystroking Leave the...

Page 22: ...d press EXE to change the settings from to or vice versa Press CE to leave the set up menu Key repeat Leave the cursor at NONE at the measure and source menu and press and EXE keys simultaneously to open the set up menu Select KEY REPEAT and press EXE KEY REPEAT stands for key response time Select SLOW NORMAL or FAST and press EXE to confirm Press CE to leave the set up menu ...

Page 23: ...orking screen The upper window in the working screen indicates the measured Volts reading The range is 0 30 Volts split into two auto ranges of 0 to 6 Volts and 6 to 30 Volts Read the section Scaled Readings to use the SCALE option Milliamps XMT Select mA and DIRECT in the measure menu and press EXE to open the working screen The upper window in the working screen indicates the measured milliamps ...

Page 24: ...oltage drop across unknown resistance at a constant excitation current Frequency Select FREQ in the measure menu and press EXE Select FREQ and DIRECT in the freq menu and enter a trigger level between 10 mV and 5V Press EXE to open the working screen The upper window of the working screen indicates the measured frequency reading The range is 0 20 000 Hz split into three auto ranges of 0 655 Hz 655...

Page 25: ...press EXE Enter a trigger level between 10 mV and 5 0 Volts and press EXE to open the working screen Press and simultaneously to increase the trigger level Press and simultaneously to decrease the trigger level Zero will reset the screen The pulse counter starts on the first positive rising edge Switch Contact Position Test Connect the switch as indicated Select SWITCH in the measure menu Generate...

Page 26: ...ith Switch If NONE has been selected in the source menu and SWITCH has been selected in the measure menu press EXE to enter the continuity check mode Closing the test loop will activate the built in buzzer to prove that the wiring loop has a resistance of 2200 Ohms or less Press INFO to calculate switch resistance ...

Page 27: ... not accidentally reversed Select INTERNAL to compensate the cold junction microvolts automatically Using standard test leads copper wires Turn hand tight the terminal screws before plugging the test leads in Compensation in this case is required to offset the cold junction compensation microvolts generated by the instrument under calibration For this we need to measure the temperature at the inst...

Page 28: ...nt terminals can easily create calibration errors TO MEASURE A RTD Go through the RTD measure menu and make the selections as required Press EXE to open the working screen the measurement reading is shown in the upper window Resolution is 0 1 or 0 01 degree depending on selected RTD type The excitation current is 0 9 mA Wiring can be 2 3 or 4 wire The 4 wire method provides a true measurement of t...

Page 29: ...s 1 To reset each pressure sensor reading to zero press zero key 2 Make sure that tubing or hose is used within manufacturer s pressure and temperature limits 3 For pressures over 150 psi 10 bar use a special small inner diameter hose to limit the fluid flow and expansion in case a connection starts leaking 4 Do not use the plastic tubing connector for pressures over 150 psi 10 bar 5 To prevent da...

Page 30: ...Choose direct or scale to open the working screen The working screen shows the pressure measurement Also during working mode the serial number of the connected sensor is shown in the display Pressure Switch Make a calibration hook up as indicated and switch the calibrator on Select SWITCH in the measure menu and PRESSURE in the source menu Select the applicable sensor to open the working screen Pr...

Page 31: ...K319 Issue 2 EN 21 English Press to unlock the switch reading The switch reading will track the source reading again Make sure that contacts are potential free Calibration Hook up for a Pressure Switch ...

Page 32: ...hip Select SCALE to open the set up screen Fill out the high and low limits for the span preset at 4 and 20 mA in the milliamp ranges Fill out both scale ends for the new scale Press EXE to show the working screen Note Scaling in lower ranges only when auto ranging Setting up scaled readings flow relationship Only available on the mA ranges Select SCALE and FLOW to open the set up screen High and ...

Page 33: ...ing the actual source at the terminals Once you press EXE the source will change to the new setting Source mode In the SOURCE mode you change both the source reading and the actual source at the terminals Entering a new value through the numerical key pad brings you back into the SET mode Changing the source level Use the and keys to ramp the source signal manually Holding the key down will gradua...

Page 34: ...e warning CHECK LOOP Milliamps XMT Use mA terminals to source a current into a resistor active mode Use XMT terminals to simulate a 2 wire transmitter passive mode Go to milliamps in the DIRECT mode to source any signal between 0 and 24 mA Adjustments are made with 1 microamps resolution If the adjusted source level cannot be maintained the screen prompts the warning CHECK LOOP To source fixed 0 4...

Page 35: ...pts the simulation to 3 or 4 wire input Adjustment resolution is respectively 0 01 Ohms and 0 1 Ohms Frequency Frequencies are symmetrical square waves and 70 mV zero based Frequency is set by the and keys or numerical key pad Amplitude can be adjusted with the and keys between 0 and 24 Volts Resolution is 0 1 Volt and amplitude is default set to 5 0 Volts With frequency set at 0 Hz this function ...

Page 36: ... and 20 000 Hz Adjustments are made with1 Hz resolution Pulse source range 0 6000 P Min Same as 0 100 Hz but reads in Pulses Minute Pulse source range 0 99 999 P Hour Same as 0 100 Hz but reads in Pulses Hour Counter Pulse source preset number 999 999 999 max Go to the pulse PRESET mode and set the amplitude Press EXE to proceed to the working screen Use the and keys to move the cursor from upper ...

Page 37: ...current to source a resistance should be between 0 18 and 5 mA Excitation currents may be intermittent as with some smart temperature transmitters RTD Simulation Go through the RTD menu and make the selections as required Select DIRECT mode to simulate any temperature within the range of the chosen RTD type Adjustment resolution is 0 1 or 0 01 degree depending on RTD type See the chapter SPECIFICA...

Page 38: ...elect 25 Free programmable span is automatically divided in 4 steps of 25 each Stepping through the fixed levels can either be performed manually or automatically Setting up programmable steps Select STEP and PROGR from the menu and press EXE Select the desired number of steps and press EXE again Set the source level for each step Scroll the step numbers with the and keys to change or enter new le...

Page 39: ...to the MANUAL mode Automatic Ramp Mode The TRX II can generate automatically a time linear increasing or decreasing source signal Signal limits are free to set within any of the available source ranges Time scales can be set between 1 and 9999 seconds Note The automatic ramp mode cannot be used together with sourcing 0 100 Hz or sourcing P min and P Hour Setting up the ramp mode Select RAMP and fi...

Page 40: ...ails see the chapter SPECIAL MEASUREMENT FUNCTIONS section Scaled Readings User Power Supplies Power supplies available for the user are designed to power transmitters control and transducer Wheatstone bridges The following power supplies are available at the terminals as indicated 24 VDC fixed combined with the mA measure terminals current limited at 32 mA OR 24 VDC fixed combined with the mA sou...

Page 41: ...e menu and make the necessary selections In the mode screen select CAL to calibrate a transmitter Proceed to select all transmitter characteristics To Check or Calibrate a Transmitter All normal key pad functions are available to change the source Use the key to change to fixed steps Use and keys to step through 0 25 50 75 and 100 of the span as set up Press to return to the normal key pad functio...

Page 42: ...e measure menu if you want to read mA Select CAL if you want to read the transmitter source scaled in pressure units Fill out the transmitter span and select if the error between transmitter MEASURE and SOURCE has to be displayed as a of reading or as a of span Press EXE to open the working screen Use the key to prompt the pressure to pump for 25 calibration points Press the and keys to step throu...

Page 43: ... SIM and proceed to select all appropriate transmitter characteristics Ignore the CJ compensation menu Fill out the transmitter span and press EXE to open the working screen To Simulate a Transmitter All normal key pad functions are available to change the mA source Use the key to move to fixed steps Use and keys to step through 0 25 50 75 and 100 of the span as set up Press to return to the norma...

Page 44: ... is displayed press and EXE to open the set up screen for filling out the measure and source span Press EXE again to proceed to the signal converter working screen Actual measure and source signals are now displayed Note The signal converter function cannot be used in pulse counting modes I P Convertor Make a calibration hook up as indicated and switch the calibrator on Select PRESSURE in the meas...

Page 45: ...influenced by electromagnetic disturbances The results obtained during this state are unreliable Error message The TRX II is protected against failures by fast transient burst It restarts itself whenever this situation occurs and returns to the main screen In this way a save state of operation can be assumed ...

Page 46: ... to full charge Occasional charging over more than 16 hours is permitted Charging current is set at 75 mA Battery maintenance Do not store the calibrator with discharged or partial discharged batteries Always recharge the batteries after you have finished your job The batteries are fully charged at 7 2 Volt NiMH batteries are nearly discharged at 6 8 Volt Voltage can be checked if you select BATTE...

Page 47: ...er limiting elements Charger Suitable for 115 230 V 50 60 Hz Recharging time Discharged to fully charged 16 hours at max 75 mA Battery life 4 hours in read mode 2 5 hours at 20 mA source mode Storage temperature 20 to 45 degrees Celsius 60 permitted for 24 hours Operating temperature 20 to 40 degrees Celsius Transmitter supply Frequency output 12 V at 25 mA Milliamps input isolated Drive capacity ...

Page 48: ...EN 38 K319 Issue 2 Pressure sensor excitation output safety parameters Uo 5 9 Volt Output safety parameters Io 8 0 mA max Po 12 0 mW Co 3 0 µF Lo 3 0 mH ...

Page 49: ...n wire fixation screws from the T C terminals Insert the thermometer probe in the appropriate T C terminal hole and make sure a good thermal contact is made down at the bottom of the terminal Take measurements samples of both terminals and calculate the average temperature Enter this temperature to recalibrate Do not use thermal conductivity gel as this cannot easily be removed from the terminal N...

Page 50: ...ry spot and press EXE The menu will lead you through the different screens to be filled in The required data is sent standard with every pressure sensor from the factory Before you can enter the new sensor data the TRX II screen shows you the data text lines as it is Press CE to leave the installation setup or press EXE to change the actual data by filling out each line After you have entered the ...

Page 51: ...ion menu Press CE to leave the calibration mode Cleaning the pressure chamber Use a water hand soap solution or a compatible solvent and flush the pressure chamber Do not use needles or other mechanical tools as you may damage the isolation diaphragms Fault Finding Procedures Opening and closing the calibrator housing Remove the batteries and disconnect the unit from other equipment Take the four ...

Page 52: ...217 400 If the unit does not measure Ohms or RTD 6 Check the fuse accessible from the back Replace fuse only by p n 13119 or little fuse No 217 400 Most other fault symptoms are not logically related to just one possible defect If spare printed circuit boards are available you could replace board by board to find the faulty board Note that a board replacement requires a recalibration Note that thi...

Page 53: ...s 4X 25301 6x Test leads 6x clips Assy 206 Operating Manual 25506 Line adaptor charger 115 VAC 13603 115 Line adaptor charger 230 VAC 13603 230 Battery compartment cover 25232 Set of battery contact springs 13013 16 T LCD display window 25125 Set of fuses 10X 13119 Fuse holder 13118 Carrying case 24030 Lithium cell 13183 Mating cable for TRX II pressure sensors Assy 230 Note Not applicable for Mod...

Page 54: ...p min 0 20 000 Hz 0 99 999 p hour 0 001 mV 0 01 mV 0 0001 V 0 001 V 0 001 mV 0 0001 V 0 001 mA 0 001 mA 0 001 mA 0 01 Ω 0 1 Ω 0 01 Ω 0 1 Ω 0 01 Hz 0 1 Hz 1 Hz 1 count 1 c min 1 c h 1 count 0 01 Hz 1 p min 1 Hz 1 p hour 0 02 rdg 0 01 range 0 025 rdg 0 005 range 0 025 rdg 0 005 range 0 05 rdg 0 005 range 0 01 rdg 0 005 range 0 01 rdg 0 005 range 0 01 rdg 0 01 range 0 01 rdg 0 02 range 0 01 rdg 0 02 ...

Page 55: ... Cu10 MINCO 16 9 200 850 C 328 1562 F 200 850 C 328 1562 F 200 850 C 328 1562 F 200 850 C 328 1562 F 200 400 C 328 752 F 200 510 C 328 950 F 510 645 C 950 1193 F 60 250 C 76 482 F 80 260 C 112 500 F 200 260 C 328 500 F 0 06 C 0 11 F 0 03 C 0 05 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 03 C 0 05 F 0 03 C 0 05 F 0 1 C 0 2 F 0 1 C 0 2 F 0 3 C 0 5 F 0 5 C 0 9 F 0 25 C 0 45 F 0 6 C 1 1 F 0 4 C 0 7 F 0 2...

Page 56: ... 3092 3992 F 2200 2495 C 3992 4523 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 3 C 0 5 F 0 2 C 0 4 F 0 1 C 0 2 F 0 2 C 0 4 F 0 2 C 0 4 F 0 1 C 0 2 F 0 2 C 0 4 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F Measure 2 0 C 3 6 F 0 6 C 1...

Page 57: ...dings Multilingual Temp C or F Batteries LR14 or C 4x 1 5 V alkaline or 1 2 V NiCd Battery life Alkaline 10 hours at 20 C 68 F Ni Cd 8 hours at 20 C 68 F Battery life 12 mA sourcing Alkaline 5 5 hours at 20 C 68 F 12 mA sourcing Ni Cd 5 hours at 20 C 68 F Low battery warning Shows a battery symbol Line power With optional adaptor 115 or 230 VAC Recharge NiCd With optional adaptor 115 or 230 VAC Us...

Page 58: ... 700 bar 826 Note All pressure sensors from 10 psi up to 500 psi are able to measure negative pressure down to 1 bar Absolute Part No 0 5 psi 350 mbar 853 0 10 psi 700 mbar 854 0 15 psi 1 bar 855 0 20 psi 2 bar 856 0 30 psi 3 bar 857 0 50 psi 3 5 bar 859 0 75 psi 5 bar 860 0 100 psi 7 bar 861 0 150 psi 10 bar 862 0 200 psi 14 bar 863 0 300 psi 20 bar 864 0 450 psi 30 bar 865 0 500 psi 35 bar 866 0...

Page 59: ... 1000 bar max for ranges 120 bar lower 3x pressure range up to 1400 bar max for ranges 120 bar above Recalibration Recommended for each 12 to 14 months Warm up time 15 minutes for rated accuracies Operating temperature range 10 C to 40 C 14 F to 104 F Relative Humidity 0 90 non condensing User terminals electrical Gold plated for standard 4 mm plugs Interconnecting plugs Gold plated 2 mm and 4 mm ...

Page 60: ... TRX II Pressure medium i e pneumatic hydraulic Serial number Details of defect work to be undertaken Operating conditions Safety Precautions You must also tell us if the product has been in contact with anything hazardous or toxic and the relevant COSHH references and precautions to be taken when handling Important Notice Service by unauthorized sources will affect the warranty and may not guaran...

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