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Martel DPC "Wally Box" Pressure Calibrator (Pneucal Alternative)

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OUR PRICE: This unit has been discontinued. Please call (732) 632-6400 for replacement options
Item Number: DPC
Manufacturer: Martel Electronics (Beta)
Manufacturer Part No: DPC
Martel DPC Pressure Calibrator

MARTEL DPC Pressure Calibrator (Equivalent to Pneucal)

Replace That Old Wally Box with a Modern Alternative...

     Martel Electronic's DPC is a highly accurate, digital calibrator for 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 pressures to control devices, while the switching mainfold allows fast selection among the pressure parts. The unit simultaneously displays pressure and either mA or VDC, and has a built-in loop power supply. Accuracy is +/-0.05% of full scale for all ranges. 


  • Works with Compressed Plant Air
  • 0.001 PSI Resolution, +/-0.05% Accuracy
  • Dual Digital Display:PSI & mA/V
  • Gauge, Differential, and Vacuum Modes
  • Selectable Engineering Units
  • Rugged Case to Withstand Factory Floor Environment
  • Same Design Manifold as a Traditional "Wally Box"

Technical Specifications:

Range -5 to 30.000 PSIG/100.00 PSIG
Engineering Units mm H2O, kPa, BAR, kg/cm2, mm Hg,
in H2O, mA, cm H2O, Volts
Media Compatibility Clean, Non-Corrosive Gases
Modes of Operation Gauge, Differential, Vacuum
 (Vacuum to -5 PSI)
Accuracy +/-0.05% F.S. +/-1 LSD for pressure
an electrical
Loop Power 24 VDC
Operating Range 0 to 50 C
Temp. Coefficient 0.01% F.S./ C for Temperatures
Outside of 23 C +/- 5 C
Storage Temp. -20 to 60 C
Electrical Protection Fuse, 1/8 Amp
Power Internal Ni-Cd Battery or AC Adapter that
Simultaneously Changes the Battery
and Powers the Unit.
Display 16 x 2 Line Dot Matrix
Size/Weight 13 x 12 x 6" HWD/12lbs.

30 PSI Sensor
Min Max Accuracy
(+/-0.05% F.S.)
PSI -5.000 30.000 0.016
mmHg -258.6 1551.3 0.9
Bar -0.3448 2.0685 0.0011
KPa -64.48 206.85 0.11
inH2O-4 C -138.4 831.9 0.5
cmH2O-4 C -351.5 2109.0 1.2
mmH2O-4 C -3515 21090 12
Kg/cm2 -0.3515 2.1090 0.0012