The Model RK is a self-regulating pressure standard designed for use in ranges
The Model RK is a self-regulating pressure standard designed for use in ranges from 4" H2O through 300 psig.
An integral weight storage compartment for ranges to 50 psig or equivalent is contained in a cast metal base which houses the workings of the unit (additional weights for ranges above 50 psig or equivalent are packaged in a separate carrying case).
The tester comes with a carrying cover of high strength impact-resistant material. The tester base includes a built-in mounting to fit most standard photographic type tripods.
SPECIFICATIONS (Additional Ranges and Accuracies Available)
Accuracy
±0.5% of indicated reading. Stainless steel weights; calibrated for international standard gravity 980.665 Gals. (cm/sec2) or user's local gravity
Repeatability
0.005% of output reading
Temperature Coefficient
0.00167% of output pressure per °C, based on 23°C
Supply Pressure
Instrument quality air per ISA Quality Standard S7.3. Maximum: 450 psi Minimum: 30 psi or 150% of output pressure, whichever is greater
Flow Rate
1 SCFH at 4" H20 output, 60 SCFH at 300 psi output
Case Size
Tester: 15" x 9.5" x 8", Weights: 8.5" x 12" x 11.5"
Total Weight
Tester: 18 to 31.5 lbs., Weights: 17.5 to 61.5 lbs.
Input & Output Connections
1/8" NPT female
Optional Accuracy Available
.025% and .015%
Optional Ranges
Other Ranges including kg/cm_, bar, kPa cmH2O, in Hg units available
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
AM900401
RK-300WC-SS
DEADWEIGHT TEST KIT
Yes
11,206,080
Range:
4-314" H20
Minimum Increments
1" H20
AM900402
RK-1600WC-SS
DEADWEIGHT TEST KIT
Yes
13,618,800
Range:
4-1614" H20
Minimum Increments
1" H20
AM900403
RK-100-SS
DEADWEIGHT TEST KIT
Yes
11,638,080
Range:
1-101 psi
Minimum Increments
1 psi
AM900404
RK-300-SS
DEADWEIGHT TEST KIT
Yes
15,145,920
Range:
1-301 psi
Minimum Increments
1 psi
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