Wallace Tiernan Model 62A-4C-0280 Differential Pressure Gauge, 8 1/2 Inch Dial

Wallace & Tiernan Series 1500 Differential Pressure Gauge

Model 62A-4C-0280

NSN 6685-01-134-5442

Series 1500 Differential Pressure Gauges have capsule-type pressure elements

High differential pressure is applied to the capsule, low pressure to the case

They combine aneroid convenience with liquid-column accuracy

Rugged enough to maintain their high accuracy in test and process applications

Specifications :

Gauge measures pressure in inches of water

Range : 150 - 280 water

Accuracy : 0.066% of full scale

Sensitivity : 0.01% of full scale

Hysteresis : 0.01% of full scale for all ranges except 150 psi or equivalent, which is 0.2% of full scale

Maximum temperature effect : 0.1% of full scale per 10 degrees C/ 50 degrees F change from 23 degrees C / 73.4 degrees F

Pressure element volume : 6.9 cc with pointer at zero, 8.6 cc at full scale

Case volume : 3070 cc

Maximum case pressure : 35 psig

Case connections : 1/8 inch female NPT pressure and static connections

Stainless steel filters are mounted in the orifice of both units and are located in the bottom of the case

Case construction : cast aluminum with tempered-glass dial cover; flush mounted by three screws through the bezel

This is a used surplus item that is in good condition

Item is untested by the seller