GasMark M1 Ammonia Gas Detector

Coming Soon!

Introducing the GASMARK™ M1 Industrial Gas Sensor for Ammonia! The M1 retains all the rugged features of the GG-NH3 detector. It also offers Modbus connectivity as well as options for a built-in display, and relay outputs. Quote requests and orders are being accepted now.

Sensor Element

Relay Outputs

Display Options

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Downloads

GasMark M1 Manual

GasMark M1 Brochure

Product Details

Specifications

Equipment Options

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Enclosure	Injection-molded, UL 3RX/4X polycarbonate enclosure with hinged lid. For non-classified areas.
Weight	4 pounds
Dimensions	10.35” high x 7.42” wide x 4.93” deep (263mm x 188mm x 125mm)
Power Supply	+24 VDC, (12-30 Vdc), power supply with isolation or class II power supply
Max Current Draw	350mA
Max Current Draw (w/Optional Display	500mA
Output Signal	Linear 4-20 mA (max input impedance: 400 Ohms)
(Optional) Display	OLED, monochromatic, 2.7″x1.5″
Communication	RS-485, Modbus RTU
Data Format	8-E-1 @ 9600 baud
Alarms	User Configurable
Sensor Technology	SAFECELL® Electrochemical
(Optional) Relay Outputs	(2) Programmable SPDT, Form C dry contacts. 5A @ 24Vdc or 8A 120-240Vac
Terminal Block Plugs (Field Wiring)	26-12 AWG, torque 4.5 lbs-in
4-20 mA Power/Output Wiring	3-conductor, shielded, stranded with drain wire, ≥ 18 AWG cable (Belden 8770 or equivalent) up to 1500 ft
RS-485 Communication Wiring	RS-485 communication cable, 22-24 AWG, 2 conductor, twisted pair, stranded, with drain wire (Alpha 6460, or equivalent).
RS-485 Power Wiring	Use 2-conductor 14 AWG stranded copper cable with drain wire (Belden 5100UE or equivalent).
Location	Indoor/Outdoor/Washdown
Pollution Degree	2
Storage Temperature	-40°F to 185°F (-40°C to 85°C)
Operating Temperature	-49°F to 122°F (-45°C to 50°C)
Operating Humidity	5-100% condensing
Altitude	Up to 4000m ((13123 ft)
Warranty	2 years sensing element and transmitter