974B QuadMag™ Cold Cathode - MicroPirani™ - Piezo Vacuum Transducers

Model: 974b-quadmag-cold-cathode-transducer

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Absolute Measurement Range
1.0 x 10^-8 to 1500 Torr
Differential Measurement Range
-760 to +760 Torr
Digital Communication
RS485 or RS232
Type
Vacuum Transducer
Sensor
Cold Cathode - MicroPirani™ - Piezo Differential
Relays
3 relays, SPST
Installation Orientation
Any
Set Point Range
Absolute: 1 x 10^-8 Torr to 1000 Torr
Differential: -760 to +100 Torr
Calibration Gas
Nitrogen
Operating Temperature
0-40°C (32-104°F)
Maximum Bakeout Temperature
85°C (185°F), non-operating
Digital Controls
Pressure units, baud rate, address, factory default, user tag, RS485 test, gas correction; set point functions: value, hysteresis, direction, HV enable, protect, control set point, gas type
Digital Status
Pressure reading and units, set point, transducer temperature, user tag, model, device type, serial number, firmware and hardware versions
Analog Output
0.5 VDC/decade
Relay Contact Rating
1 A @ 30VAC/DC, resistive

Power Requirements
9-30 VDC, 2 W
Accuracy
5 x 10^-8 Torr to 10^-3: ± 30% of reading
10^-3 to 50: ±2% of reading
50 to 1000 Torr: ±1% of reading
Piezo Differential Accuracy
-10 to +10 Torr: ±10% of reading
-100 to -10 Torr: ±8% of reading
-760 to -100 Torr: ±1% of reading
+10 to 100 Torr: ±5% of reading
Piezo Differential Repeatability
-760 to +10 Torr ±1% of reading
Piezo Differential Zero Stability
±0.1% of Full Scale (F.S. = 760 Torr)
Overpressure Limit
1500 Torr
Internal Volume
21 cc
Exposed Materials
304 and 403 stainless steel, silicon, SiO2, SiN4, gold, Viton®, epoxy resin, ceramic
Electronic Casing and Flange
304 stainless steel
Weight
12.7 oz (360 g)
Compliance
CE
Connectors
15-pin D-subminiature male

Absolute Measurement Range
1.0 x 10^-8 to 1500 Torr
Differential Measurement Range
-760 to +760 Torr
Digital Communication
RS485 or RS232
Type
Vacuum Transducer
Sensor
Cold Cathode - MicroPirani™ - Piezo Differential
Relays
3 relays, SPST
Installation Orientation
Any
Set Point Range
Absolute: 1 x 10^-8 Torr to 1000 Torr
Differential: -760 to +100 Torr
Calibration Gas
Nitrogen
Operating Temperature
0-40°C (32-104°F)
Maximum Bakeout Temperature
85°C (185°F), non-operating
Digital Controls
Pressure units, baud rate, address, factory default, user tag, RS485 test, gas correction; set point functions: value, hysteresis, direction, HV enable, protect, control set point, gas type
Digital Status
Pressure reading and units, set point, transducer temperature, user tag, model, device type, serial number, firmware and hardware versions
Analog Output
0.5 VDC/decade
Relay Contact Rating
1 A @ 30VAC/DC, resistive

Power Requirements
9-30 VDC, 2 W
Accuracy
5 x 10^-8 Torr to 10^-3: ± 30% of reading
10^-3 to 50: ±2% of reading
50 to 1000 Torr: ±1% of reading
Piezo Differential Accuracy
-10 to +10 Torr: ±10% of reading
-100 to -10 Torr: ±8% of reading
-760 to -100 Torr: ±1% of reading
+10 to 100 Torr: ±5% of reading
Piezo Differential Repeatability
-760 to +10 Torr ±1% of reading
Piezo Differential Zero Stability
±0.1% of Full Scale (F.S. = 760 Torr)
Overpressure Limit
1500 Torr
Internal Volume
21 cc
Exposed Materials
304 and 403 stainless steel, silicon, SiO2, SiN4, gold, Viton®, epoxy resin, ceramic
Electronic Casing and Flange
304 stainless steel
Weight
12.7 oz (360 g)
Compliance
CE
Connectors
15-pin D-subminiature male

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