Girovac Ltd
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EDWARDS Active Thermocouple Gauge(ATC-E) is suitable for measuring from 50 to 10-3Torr, with integral set-point for OEM use and LED indication of vacuum status.


The ATC-E mounts directly onto either ATC-D or ATC-M thermocouple tubes to form a compact
stand=alone transducer to simplify the system design and save valuable racking space. The ATC-E
electronics module drives both medium and low pressure gauge tubes, providing a cost effective
measuring solution for higher pressures.

Active thermocouple gauges are ideally suited where a simple rugged gauge is required to measure
higher pressures.


Technical Data

Power supply +13.5 to +36 V d.c. (max 1 V ripple)
Power consumption 0.54 W maximum
Operating temperature 5 to 50  oC
Output signal  
Voltage range 2 V to 10 V d.c.
Error status < 2 V to < 10 V d.c.
Minimum load 10 k ohms
Maximum load 0.1 ohms
Set point Adjust via potentiometer
Settable range 2.2 to 8.5 V
Fixed hysteresis 1.2 V
Output transistor ratings 40 V, 100 mA
Total weight: electronics and module 120 g
Socket connection FCC68, 8 way Western Electronic
ATC-D, ATC-M Gauge Tubes  
Materials exposed to vacuum Nickel plated steel, alloy 52 (iron nickel) pins, stainless steel, gold, platinum, rhodium and palladium. The ATC-D also has a small amount of RoHS compliant solder.
Pressure range when used with ATC module  
ATC-D 65 to 6.5 x 10-2 mbar (50 to 5 x 10-2 Torr)
ATC-M 1.3 to 1.3 x 10-3 mbar (1 to 1 x 10-3 Torr)
Thermocouple temperature  
ATC-D at vacuum 250 oC
ATC-M at vacuum 300 


cant find vacuum pump

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