DPC-30 & DPC-100 Digital Calibrators

Designed to test pneumatic field instrumentation

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Precision pneumatic calibration system small, lightweight, and accurate - take your test bench to the field!

The Martel DPC-30 & DPC-100 digital calibrators are designed to test pneumatic field instrumentation, including valve actuators, P/I transmitters, controllers, gauges, switches, and recorders. It is especially suitable for checking 3 to 15 psi systems. Its dual precision regulators enable output of set and variable pressure to control devices, while the switching manifold allows fast selection among the pressure ports. The unit simultaneously displays pressure either mA or VDC, and has a built-in loop power supply. Accuracy is 0.035% of full scale for all ranges.

General Features

  • Works with compressed plant air
  • 0.001 psi resolution, 0.035% accuracy
  • Dual digital display – psi & mA or voltage
  • Gauge, differential, and vacuum modes
  • Selectable engineering units
  • Pressure switch test
  • Rugged case to withstand factory floor environment
Pressure: ±0.035% FS
mA: ±0.025% FS
Volts: ±0.025% FS
Temperature Coefficient
±0.01% FS per °C;
0°C to 18°C, and 28°C to 50°C
Loop Power
24VDC, current limited to a nominal 24 mA
Switch Test
Dry (unpowered) contacts only, nominal 24 mA @ 24 VDC excitation current supplied to contact
Modes of Operation
Gauge, Differential, (Vacuum to -5 PSI)
Standard Engineering Units
PSI, Bar, mmHg, kPa
inH2O @ 4°C, 20°C, 60°F
cmH2O @ 4°C, 20°C
mmH2O @ 4°C, 20°C
mBAR, kg/cm2
Media Compatibility
Clean, non-corrosive air or gas
Operating Temperature-10 °C to +55 °C 
(32 °F to 122 °F)
Storage-20 °C to +60 °C (-4 °F to +154 °F)
Dimensions13.5" H x 11.5"W x 5.5"D
343mm x 292mm x 140mm
Input Port(s)1/8" female NPT
Batteryone Ni-CD battery or AC adapter that simultaneously charges and power calibrator
Electrical ProtectionFuse, 1/8 Amp

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“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.


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