DH Instruments ADCS-601 - FPG8601 General Specifications; Pressure Measurement and Control Specifications

1. INTRODUCTION
Page 3 © 2005 DH Instruments, Inc.
1.1.2.3 MASS SET
Masses > 50g
Material
Finish
Uncertainty in
measured values
304L non-magnetic stainless steel
Electropolished
± 5 ppm or 1 mg, whichever is greater
1.1.3 FPG8601 GENERAL SPECIFICATIONS
1.1.3.1 AMBIENT AND PISTON-CYLINDER CONDITION
MEASUREMENTS
Temperature:
Range
Resolution
Accuracy
Lubrication Gas
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
13.3 Pa (100 mTorr)
0.001 Pa (0.01 mTorr)
± 0.06 Pa (0.45 mTorr)
Ambient and Lubrication
Pressure Sensor:
Range
Resolution
Accuracy
200 kPa
1 Pa
± 0.1 kPa
1.1.4 PRESSURE MEASUREMENT AND CONTROL
SPECIFICATIONS
1.1.4.1 10 TO 380 KPA, PG7601 AND PPC3-700K
Sensitivity
1
Precision
2
Measurement uncertainty
3
Control set point increments
Stability of set pressure
Typical control set point time
0.02 Pa + 0.5 ppm
± (0.01 Pa + 2 ppm)
see the piston-cylinder calibration report and
current revision of DHI Technical Note 7920TN01.
1 kPa
± 1 Pa
60 to 180 seconds
1 Sensitivity: The smallest variation in input detectable in output.
2 Precision: Combined linearity, hysteresis, repeatability.
3 Measurement uncertainty:
Maximum deviation of the indicated pressure from the true value of applied pressure
including all sources of uncertainty combined and expanded (k=2) following the ISO “Guide to the Expression of
Uncertainty in Measurement.”