Fluke RUSKA 2470 - Manual (Page 11)

Introduction
Specifications
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Specifications
Low Range Piston
Pressure Range (Model 2465) 1.4 to 172 kPa (0.2 to 25 psi) psi gauge
Pressure Range (Model 2468) 1.4 to 345 kPa (0.2 to 50 psi) psi gauge
Pressure Uncertainty Rating 0.0010% (10 ppm) or 0.07 Pa (1.0E-05 psi), whichever is greater (1,2)
Uncertainty Threshold 7 kPa (1 psi)
Resolution 1 ppm or 1 mg, whichever is greater
Precision (Typical Type A Unc.) 3 ppm (3)
Long Term Stability 3 ppm per year
Piston/Cylinder Material 440C Stainless Steel/Tungsten Carbide
Thermal Coefficient 1.5E-05 per deg. C
Sink Rate at Maximum Pressure typical <2 mm per minute, maximum 4 mm per minute
Mid Range Piston
Pressure Range (Model 2465) 12 to 700 kPa (1.7 to 100 psi) absolute or gauge
Pressure Range (Model 2468) 12 to 1380 kPa (1.7 to 200 psi) absolute or gauge
Pressure Uncertainty Rating 0.0010% (10 ppm) or 0.07 Pa (1.0E-05 psi), whichever is greater (1,2)
Uncertainty Threshold 35 kPa (5 psi)
Resolution 1 ppm or 1 mg, whichever is greater
Precision (Typical Type A Unc.): 3 ppm (3)
Long Term Stability 3 ppm per year
Piston/Cylinder Material Tungsten Carbide/Tungsten Carbide
Thermal Coefficient 9.1E-06 per deg. C
Sink Rate at Maximum Pressure typical <2 mm per minute, maximum 4 mm per minute
High Range Piston
Pressure Range 700 to 20680 kPa (100 to 3000) absolute or gauge
Pressure Uncertainty Rating 0.0030% (30 ppm) or 3.7 Pa (5.4E-04 psi), whichever is greater (1,2)
Uncertainty Threshold 248 kPa (36 psi)
Resolution 1 ppm or 1 mg, whichever is greater
Precision (Typical Type A Unc.) 3 ppm (3)
Long Term Stability 3 ppm per year
Piston/Cylinder Material Tungsten Carbide/Tungsten Carbide
Thermal Coefficient 9.1E-06 per deg. C
Sink Rate at Maximum Pressure typical <2 mm per minute, maximum 4 mm per minute
Mass Set
Approximate Total Mass 17.8 kg
Approximate Carrier Mass 0.58 kg
Smallest Increment 5.9 gram
Mass Material 300 Series, Non-magnetic, Austenitic, Stainless Steel (3)
Adjustment Method Completely machined with no fill cavities
Mass Uncertainty 0.0005% (5 ppm) or 5E-07 kg, whichever is greater
Optional Fine Increment Trim Set ASTM Class 1, 20g to 1 mg
(1) Absolute mode uncertainty higher due to reference pressure sensor.
(2) Approximate 95% level of confidence (Refer to Chapter 1, Accuracy, and to Calibration Report.)
(3) Mass carrier composite construction 300 Series, Non-magnetic, Austenitic, Stainless Steel and other
non-magnetic material.