Wall-mounted gas monitor

The Guardian is an expanded family of wall-mounted, continuous gas monitors available for carbon monoxide, hydrogen sulfide, oxygen, chlorine, sulfur dioxide, hydrogen cyanide, hydrogen chloride, nitrogen dioxide, nitric oxide hydrogen phosphine and others. Standard features include digital display, NEMA 4X enclosures, output relays, and multi-level and visual alarms. This controller is available with up to four remote sensors.

CEA Instruments Inc.
Emerson, N.J.
eProduct Number 109