DH Instruments FPG8601, Руководство по эксплуатации и обслуживанию

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1. INTRODUCTION
Page 3 © 2007 DH Instruments, a Fluke Company
1.3.1.2 AMBIENT AND INSTRUMENT CONDITION MEASUREMENTS
Temperature:
Range
Resolution
Accuracy
Lubrication Pressure Piston-Cylinder
[
°
C] [
°
C]
0 to 40 0 to 40
0.1 0.01
±
0.2
±
0.1
Relative Humidity:
Range
Resolution
Accuracy
5 to 95 %RH
1 %RH
±
10 %RH
Vacuum:
Range
Resolution
Accuracy
13 Pa
1 mPa
±
20 mPa
Ambient and Lubrication
Pressure Sensor:
Range
Resolution
Accuracy
200 kPa
1 Pa
±
0.1 kPa
1.3.1.3 PISTON-CYLINDER
Cylinder Material:
Tungsten carbide
Piston Material:
Tungsten carbide
Nominal Diameter:
35 mm
Nominal Area:
980.5164 mm
2
Mounting System:
Non-rotative piston
1.3.1.4 PRESSURE MEASUREMENT
Resolution
1
:
10 mPa
Precision Reproducability
2
:
±
20 mPa
Uncertainty
3
:
Absolute:
±
(25 mPa + 0.003 % of reading)
Standard Measurement:
Gauge and absolute differential:
±
(20 mPa + 0.003 %
of reading)
1. Resolution: The smallest variation in input detectable in output.
2. Reproducibility: Combined reproducibility of force measurement and long term stability of
piston-cylinder effective area.
3. Standard Measurement Uncertainty: All sources of uncertainty under typical operating
conditions are identified, quantified and combined following ISO/TAG4/WG3. The result is then
rounded upwards to provide conservative global figures for the typical user in typical conditions
of the maximum deviation from the true value of the pressure determined by the FPG8601 and
the pressure actually present at the test point.