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AMETEK Deadweight Tester

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產品簡介

產品名稱：AMETEK Deadweight Tester產品型號：Model HK 生產廠商：AMETEK JOFRA(美國)產品簡介：Accurate to +0.025% of Indicated Reading Five Ranges- 10 to 300 PSIG- 10 to 500 PSIG- 10 to 700 PSIG- 10 to 1000 PSIG- 10 to 1500 ......

詳細介紹

» PRODUCT DESCRIPTION

The AMETEK HK Pneumatic Deadweight Tester is a primary standard used to calibrate pressure and differential pressure gauges, transmitters, transducers, recorders and controllers, and that can provide a reference pressure in process control applications.
The HK tester is self-regulating with accuracy independent of the operator. These testers feature superior accuracy and repeatabilityａnd a prefill feature that minimizes the filling of large static output volumes before the test.

» FUNCTIONAL SPECIFICATIONS

Accuracy
+0.025 PSI or +0.025% of indicated reading (whichever is greater)

Repeatability
0.005% of output reading

Temperature Coefficient
0.00167% of output per oC based on 23oC

Maximum Supply Pressure
1500 PSIG (2000 PSI for HK-1500) Instrument quality air per
ISA Quality Standard S 7.3.

Minimum Supply Pressure
150 PSIG or 150% of output pressure, whichever is greater

Flow Rate
3 SCFH at 10 PSIG output
50 SCFH at 1000 PSIG output
100 SCFH at 1500 PSIG output

The HK tester is available in these ranges:
q 10 to 300 PSIG
q 10 to 500 PSG
q 10 to 700 PSIG
q 10 to 1000 PSIG
q 10 to 1500 PSIG

The HK tester is very easy to setup and use. The unit’s precision stainless steel weights are calibrated for international specific gravity of 980.665cm/sec2

» PHYSICAL SPECIFICATIONS

Connections
0.25-inch OD tubing, 7/16-20, 37o AN angle
Weight
Tester Only ............................... 18 to 31.5 lbs (8.2 - 14.3kg)
Weights .................................... 17.5 to 61.5 lbs (8.0 - 30.0kg)
Shipping Dimensions (L x W xH)
Tester ....................................... 16.0 x 16.0 x 16.0-inches
(40.6 x 40.6 x 40.6 cm)
Weight Set Storage Case ........ 2.0 x 12.0 x 12.0-inches
(5.1 x 30.5 x 30.5 cm)

Notes:
Deadweight tester and deadweight gague accuracy is expressed as “Percent of Indicated Pressure". A 1000 psi tester with an accuracy of +0.01% of indicated pressure will have an allowable error of 0.1 psi at 10 psi, +0.1 psi at 100 psi and +1.0 psi at 1000 psi. Generally, deadweight testers are used only in the upper 90% of the range.