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HVG-2020B Instruction Manual
Specifications
WARNING: Do not operate instruments exceeding the specifications listed below. Failure to
heed this warning could result in serious personal injury and/or damage to the equipment.
Range:
Accuracy:
Warm up time:
Installation orientation:
Internal volume:
Maximum Pressure:
Operating Temperature:
WARNING: Operation above 60 °C ambient may result in case temperatures capable of causing
burns. Operation near the temperature extremes for more than 48 hours could result in display
degradation.
Humidity:
Thermal Zero Shift:
Thermal Span Shift:
Leak Integrity:
Analog Output:
Power Requirements:
NOTICE: Use of an underpowered or under-voltage supply could result in equipment damage.
EAR99 Technology Subject to Restrictions Contained on the Cover Page
1x10
-4
Torr to 1000 Torr
± (0.1% of reading + 0.3 Torr) from 1000 to 20 Torr
± (5% of reading + 0.00025 Torr) from 20 to 0.001 Torr (Nitrogen)
± (10% of reading + 0.00025 Torr) from 0.001 to 0.0002 Torr (Nitrogen)
at ambient operating temperature without temperature/humidity
effects after 2 hours warm up followed by zero adjustment
Within rated accuracy at atmosphere: 30 minutes (typical)
For zero adjustment: 2 hours (typical)
any
3.5 cc (1/4" stub tube, other connections will be larger)
Maximum operating:
Maximum overpressure: 2000 Torr / 25 psig (no change in performance)
Burst pressure:
-20°C to 70°C
30 to 90 %RH, non-condensing
< 3.5 mTorr (over -20 to 70°C range)
< 0.6% of reading above 10 Torr (over -20 to 70°C range)
< 5% of reading below 10 Torr (over -20 to 70°C range)
< 1x10
-9
std. cc/s
0-1 VDC, 0-5 VDC, 0-10 VDC (short-circuit protected, 1 kΩ min load)
0-20 mA, 4-20 mA (short-circuit protected, 1.2 kΩ max load)
With display: 2.1 watts max. / 12 to 36 VDC (1.5 W typ. @ 24 VDC)
No display:
1.8 watts max. / 12 to 36 VDC (1.3 W typ. @ 24 VDC)
Class 2 power 150 VA max fused
1000 Torr
3000 Torr / 45 psig
Page 7 of 40
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