The comparator is a pressure calibrating system using a source of controllable pressure
The comparator is a pressure calibrating system using a source of controllable pressure and a “test” gauge of known accuracy. “Test” gauges are variously known as “transfer standard” or “inspection” gauges. The pressure source is connected to a manifold which directs pressure equally to the “test” gauge and the instrument system to be calibrated. The reading on the “test” gauge is then compared to the indication given by the instrument system.
Dual Volume Pump Features
Hand operated hydraulic pump, with manual dual volume control valve, delivers high volume to rapidly build pressure and low volume for ease of pumping and a gradual approach to the point of calibration.
Test manifold with pressure vernier for fine adjustment of pump pressure.
Supplied with four U.S. Gauge 4-1/2" Test Gauges
NIST Certification included
SPECIFICATIONS (Additional Ranges and Accuracies Available)
Accuracy
±0.25% of gauge span
(10,000 psi gauges, ±0.5% of gauge span)
Test Fluid
Type T: Distilled Water and/or oil
Operating Pressure
10,000 psi max.
Wetted Parts
Type T-300 series SS;
O-Rings
Buna N; Optional-Viton®, EPT
Test Connections
Union type 1/4" NPT, 1/2" NPT, 7/16"-20 UNF (male or female)
Gauge Connections
Type T: 9/16"-18 UNF-3A
All gauges supplied with union type connections
Operating DImensions
20 5/8" long x 11" wide x 16" high
Approximate Weight
55 lbs.
Viton is a registered trademark of DuPont Dow Elastomers
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
AM900801
T-3
PRESSURE COMPARATOR
Yes
8,691,840
Range: 0 to 160, 600, 5000, 10,000 psi
AM900803
T-3A
PRESSURE COMPARATOR
Yes
8,439,120
Range: 0 to 30, 600, 3000, 5000 psi
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