Specialty Gas Products
Explosion Proof
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Macurco is a trademark of Aerionics, Inc.
Macurco EX Series Detectors  (Combustible and Toxic Gas Types)
The Macurco EX Series of Explosion Proof Gas Detectors are used for Class 1
Division 1 applications or harsh environments.  A brilliant digital display
indicates STEL, TWA and peak daily value concentrations as well as relay
status.  A three-color backlight will flash depending on the level of alarm for
operator safety.  Compatible sensor types include electrochemical and
catalytic bead options to provide monitoring solutions for a wide variety of
toxic and combustible gas applications.

• Modbus RTU RS-485 interface
• 4-20 mA or 2-10VDC outputs
• Remote Sensor Options Available
• Non-Intrusive Magnetic Calibration and Setup
• NEMA 4X, Division 1 Division 2 Enclosure
• Integral Alarm, Warning and Trouble relays
• Use standalone or with the Macurco DVP-120 Control Panel
5100-28-IT Combustible Gas Detector  (NDIR Sensor)
Combustible Gas Sensor to monitor for combustible gases (methane and The
5100-28-IT Combustible Gas Sensor Module utilizes Infrared (IR) others).
Output Lower Explosive Limit (LEL) or % volume . Explosion proof, Class 1, Div.
I, Groups C, D Class I, Zone 1Group IIC, IP66, IP65, NEMA 4X, T6 TA = - 40oC to
85oC II2 GD, Ex d IICC

• Modbus RTU RS-485 interface
• 4-20 mA output
• HART Interface
• SMC Sentry digital bus interface
• %LEL or % volume
• Integral alarm relays – Alarm, Warning and Trouble
• Aluminum enclosure
• Use standalone or with the Macurco DVP-120 Control Panel
3601 N St Paul Ave
Sioux Falls, SD 57104

Phone: 512-524-3414
Toll Free: 877-367-7891
Fax: 512-524-3415