STANDARD FEATURES

Size: 8½" dial

Scale length: Approx. 45" through 2 pointer revolutions

Range: To 150 psi

Accuracy: 0.066% of full scale

Sensitivity: 0.01% of full scale

Hysteresis: 0.1% 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°C/50°F change from 23°C/ 73.4°F

Pressureelement volume: 6.9 cc with pointer at zero; 8.6 cc at full scale.

For the range 0-125” water only: 6.3 cc with pointer at zero; 8.0 cc at full scale

Case volume: 3070 cc

Maximum case pressure: 35 psig

Maximum case leak rate: Will not exceed 1.03 x 10-3 std cc/sec or 0.018

psi/hr

Case connections: 1/8" 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.

STANDARD RANGES AND ORDERING NUMBERS

Series 1500 8½" Differential Pressure Gauge

Range & Calibration	Ordering Number	Graduation
0-4.5 psi	62A-4A-0005	0.005 psi
0-10 psi	62A-4A-0010	0.01 psi
0-15.5 psi	62A-4A-0015	0.02 psi
0-20 psi	62A-4A-0020	0.02 psi
0-30 psi	62A-4A-0030	0.05 psi
0-45 psi	62A-4A-0045	0.05 psi
0-60 psi	62A-4A-0060	0.1 psi
0-100 psi	62A-4A-0100	0.1 psi
0-150 psi	62A-4A-0150	0.2 psi
0-125" water	62A-4C-0125	0.2"
0-280" water	62A-4C-0280	0.5"
0-800 mm Hg	62A-4D-0800	1.0 mm
0-31.5" Hg	62A-4B-0031	0.05"
0-60" Hg	62A-4B-0060	0.1"
0-120" Hg	62A-4B-0120	0.2"
0-200" Hg	62A-4B-0200	0.2"
0-300" Hg	62A-4B-0300	0.5"
Vacuum and Compound Ranges
Range & Calibration	Ordering Number	Graduation
-30" Hg to 0	62A-7B-0030*	0.05"
-15" to 0 to 15" Hg	62A-6B-0030*	0.05"
-30" to 0 to 30" Hg	62A-6B-0060*	0.1"
-30" to 0 to 90" Hg	62A-6B-0120*	0.2"
-30" to 0 to 270" Hg	62A-6B-0300*	0.5"
*Can be calibrated as shown, or in any other standard pressure unit at no extra cost. Specify if other than in Hg.

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