WC-I Wally-Cal Pneumatic Calibrator Upgrade by Martel -- Mueller Sales

5104-Hillsboro Avenue North New Hope, MN 55428
763-531-2222

WC-I "Wally-Cal" Pneumatic Calibrator Upgrade

Send in your “Wally Box” for an economical conversion. The upgrade includes a brand-new faceplate and replace the expensive analog “guts” with a digital pressure indicator. All of the functions and ranges of the original model are supported, and the accuracy specifications are even better. Your new Wally-Cal I will also feature 0.001 PSI resolution, 0 to 24 mADC and 0 to 20 VDC input ranges, and an integral 24 V loop power supply. Pressure range is 0 to 30 PSI, and a selection of eight engineering units are built in.

Features Martel Electronics WC-I Wally-Cal Pneumatic Calibrator Upgrade

Digital retrofit for Wallace & Tiernan calibrators
High accuracy: 0.05% F.S.
mA & voltage inputs plus 24 volt loop supply
Includes new faceplate
No machining or special tools required
Powered by rechargeable batteries

Specifications

Ranges: –5 to 30.000 PSI
Engineering units: mm H O, kPa, BAR, kg/cm 2 , mm Hg, in H O, mA, cm H O, 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 and electrical
Loop power: 24 VDC
Operating range: 0 to 50°C
Temperature coefficient: 0.01% FS/°C for temperatures outside of 23°C ±5°C
Power supply: built in. 5 rechargeable “AA” NiCd batteries (included)

Martel WC-I "Wally-Cal" Pneumatic Calibrator Upgrade Data Sheet
(pdf format)

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