APG Active Pirani Vacuum Gauge
APG Active Pirani Gauges
The Edwards Active Pirani Gauges (APG) combine the gauge head and controller in one compact active unit. The well proven, cost effective and reliable Pirani range has a substantial user base with a successful track record in the measurement of rough and backing pressures across a broad spectrum of applications.
Features & benefits
• Wide range, regulated, internal power supply
- Runs from standard d.c. power supplies +20 to +36 V
- Tolerant to voltage fluctuations
• Drive electronics combined in the gauge head
- Reduces the system cost
- Saves valuable rack space
• Medium and low pressure versions available
- APG-M and -MP from atmosphere to 10-3 mbar
- APG-L from atmosphere to 10-4 mbar
• Standard analog output 0 to 10 V d.c.
- Easy to interface with a computer or plc
- Fault output indication
• Adjustable set-point
- For process control and interlocking
- Provides vacuum status indication
- Set-point level read visually or with voltmeter
• Low output impedance and integral Faraday shield
- Provides high level of noise immunity
- Permits long cable runs (up to 100 m)
• Corrosion resistant versions available
• Two tube types (AI & St St) & numerous flange types to suit customer applications
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