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Model PT500 is a microprocessor-based multi-channel controller that provides up to 4 channels of continuous gas detection. The controller is housed in a Nema 4X weatherproof enclosure. PT500 can be interfaced with any of Pem-Tech’s toxic and combustible gas sensors. The controller provides a front panel user interface with alarm LED indicators and large LCD with backlight.
PT500 allows each channel to be programmed for sensor type and discrete alarm levels. Three programmable relays are provided. The alarm relays can be configured to activate on any of the 4 channels' alarm levels for use with external devices such as horn or beacon.
4 Channel Capacity
All Pem-Tech’s transmitters (4-20mA)
4 fully programmable relays for 3 distinct levels of alarms.
Relay Type: SPDT Form “C” type contacts
5 Amps @ 250 VAC or 30 VDC
110/220 VAC to 24 VDC
* 50 Watt power supply within the monitor enclosure for 4-Channel configuration.
Nominal 80 mA @ 24 VDC
200 mA maximum with all alarm relays active.
Monitor Only, power consumption of total number of detectors not included)
4 Lines by 16 character display with back light. Amber and red LED indicators for sensor Alarm and Fault condition
14 °F to 131°F (-10 °C to +55 °)
Nema 4X, Fiberglass, IP 65 Wallmount
Nema 7, Explosion Proof Wallmount CSA, UL
© 2020 – 2025 Pem-Tech, Inc. 12144 Dairy Ashford, Building 2, Sugar Land, TX 77478 Toll Free: 800-379-3894Phone: 281-494-2079Fax: 281-494-2167
