TELEVAC MX4A, Instruction Manual

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Instruction Manual MX4A Active Convection Gauge
1.3 Operating Specifications
Table 1: Operating Specifications
Operating Range 1 × 10
− 4
to 1000 Torr
Communications RS-485
Programmable Set Points 2
Set Point 1 Open Collector
Set Point 2 Relay
Analog Output 7 selectable 0 to 10 V
Supply Voltage +22 to +26 V DC
Maximum Power
8 W
Calibration Medium Dry air or nitrogen
Overpressure 150 PSI
Digital Output Resolution 2 significant digits with exponent
Analog Output Resolution 16 bits
Operating Temperature 0
◦
C to 50
◦
C
Storage Temperature − 20
◦
C to 60
◦
C
Bakeout Temperature
Brass (P/N: 2-8930-110) 100
◦
C (electronics removed)
Stainless (P/N: All Others)
200
◦
C (electronics removed)
Response Time ≤ 1 second
Accuracy
1 mTorr to 10 mTorr ± 1 mTorr
10 mTorr to 1000 Torr ± 10%
Analog Output
± 5 mV
Standard Resolution
1 mTorr to 500 mTorr
1 mTorr
500 mTorr to 5 Torr 10 mTorr
5 Torr to 50 Torr 100 mTorr
50 Torr to 500 Torr 1 Torr
500 Torr to 1000 Torr
10 Torr
Display Readable Distance 3 m (10 feet)
email: sales@frederickscompany.com tel: +1 215 947 2500 web: frederickscompany.com mx4a_im rev L 3 of 16