OI-7432 ProSafe 4×32 Assembly

The Generation II ProSafe 4×32 Model OI-7432 is a 32-channel gas monitor functioning as a transmission controller. Monitoring toxic, combustible, and oxygen gas levels, the OI-7432 receives and displays RS-485 Modbus signals from up to 32 of the sensor assemblies within the device. 

The device features a 160×104 transflective, sunlight-readable, graphical LCD display and LED backlight. Its operating voltage is 12 to 35 volts DC or 120 volts AC and a current draw of 250 mA at 12 VDC. The temperature range is from -40°C to +70°C and output for internal alarm power of 12 to 35 VDC. This generation is equipped with four “dry contact” (Form C) 5 amp alarm relays with four amp fuses that are full-scale adjustable.

The OI-7432 is housed in a Stahlin 10x8x6 fiberglass with a clear window with a NEMA 4 certification for the enclosure. Power EMI filter and surge protection, as well as 4-20 mA and RS-485 surge protection, are featured for this model. Real-time monitoring software is optional with the Modbus output based on your needs. 

Otis Instruments offers a vast selection of Wired and WireFree easy-to-use, robust, and configurable gas detectors and monitors capable of detecting both toxic and non-toxic gases for diverse applications. For more information regarding gas detection systems, visit our products page. To learn more about the OI-7432 ProSafe 4×32 or other solutions for your industry, contact Otis Instruments today!

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