User Manual

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6.Summary
The ADT22XA series calibrators are high performance instruments, designed for the calibration of heat engineering
secondary instruments, pressure gauges and DCS systems. The hand‐held calibrator is highly stable and reliable,
it’squitesuitableforcalibration,maintenanceandtroubleshooting.
Features:
1. MeasuremA,millivolts,volts,ohms,frequency,pulses,limitswitch,RTDsand
thermocouples.
2. Source/simulatemA,millivolts,volts,ohms,frequency,pulses,RTDsandthermocouples.
3. Measuringandsourcingcanbedoneatthesametime.
4. A calibrated PRT sensor with flexible leads is installed in the equivalent block for thermocouple cold junction
compensation(Patented).
5. 24VDClooppowersupplywhichis
isolatedfrommeasuringandsourcing.
6. Supportssquareroottransmitter.
7. Capturesandsaveascreensnapshot.
8. CreatesandrunsAsCal(as‐found/as‐left)tasks,recordanddocumentresults.
9. Highresolution,3.5inchTFTcolorscreen,iseasiertoreadindarkenvironments.
10. HARTcommunicationcapability.
11. Pulse
frequencyoutputforcalibrationofflowtotalizer.
12. Built‐inutilities:Calculator,SimulateTransmitter,CustomRTDsLibrary,PressureLeakTestandConversiontoolsetc.
13. Easytouse:Smartphone‐likemenuandinterfacemaketheoperationsimplerandeasier.