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CO-GUARD is a compact, easy to install and operate compressed airline carbon monoxide monitor that meets OSHA monitoring requirements for Grade D breathing air. The instrument is specifically designed for trouble-free operation, utilizing an electrochemical carbon monoxide (CO) sensor with a life expectancy of up to three years. The CO-GUARD is supplied with a regulator assembly and five foot sample hose, and is factory pre-calibrated.
Unit of Measure

Financing

Approve Payments

 N/A Finance with Approve Payments

Specifications

Range (CO)

 N/A 0 to 50 ppm

Accuracy

 N/A ± 10 %

Alarm Level Setting

 N/A Alarm 1: 5 ppm CO, user adjustable Alarm 2: 10 ppm CO, user adjustable Alarm 3: 20 ppm CO, user adjustable, All adjustable between 1 to 50 ppm

Audible Alarm

 N/A 105 dB at 12 in

Inlet Size

 N/A 1/4 in. National Pipe Thread (NPT) Female

Operating Temperature Range

 N/A 32 to 104 ºF

Weight

 N/A 2 lb

Power Requirements

Alternating Current (AC) Voltage

 N/A 100 to 240 V

Direct Current (DC) Voltage

 N/A 12 V

Power

 N/A 15 W

Dimensions

Width

 N/A 7.1 in18.2 cm

Height

 N/A 6.1 in15.5 cm

Depth

 N/A 3.5 in8.9 cm

General Description

General Description

 N/A Display: High-contrast, backlit

Resolution: 1 ppm

Alarms: Visual Gas Alarm: 3 red LEDs, Visual Power Fault: Green/Red LEDs, Audible Alarm: 105 dB at 30 cm (12 inches)

Operating Power: 110 VAC, 220 VAC and/or 24 VDC, 15W

Power Connection: Supplied with strain relief for 0.20 to 0.35 inch diameter cable

Outputs: Relays: 4 Form C, 10A SPDT contacts, 3 gas alarms and 1 fault, Analog: 4-20mA, Digital: RS-485 COM port interface using Modbus RTU

Sensor: Electrochemical

Response Time: t90 = 30 sec

Accuracy: +/- 10% of reading

Temperature Range: 32° to 104° F (0° to +40° C)

Inlet Air Line Connection: 1/4 inch NPT female

Air Line Sample Hose to Monitor: 5 foot length

Inlet Pressure: 60 to 150 psi, air supply lines, 55 psi regulated to monitor

Enclosure: Polycarbonate

Dimensions: 7.1 W x 6.1 H x 3.5 D inches (18.2 W x 15.5 H x 8.9 D cm)

Weight: 2 lbs (0.9 kg)

STANDARD CALIBRATIONS

Range: 0-50 ppm CO

Alarm Levels: Alarm 1: 5 ppm CO, user adjustable, Alarm 2: 10 ppm CO, user adjustable, Alarm 3: 20 ppm CO, user adjustable

Alarm Adjustment: All three alarms are user adjustable between 1 to 50 ppm

Additional Information

N/A Product Highlights

  • Meets OSHA 1910.134 compressed breathing air monitoring requirements
  • Continuous carbon monoxide monitor for compressed breathing air
  • Proven electrochemical sensor technology
  • Simple push button operation
  • Easy to install compact design
  • User programmable alarms and high capacity relays
  • Low maintenance field replaceable sensor
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ENMET has a complete line of compressed airline monitoring and filtration systems for supplied breathing, respiratory air, process air, and hospital compressed airlines. There continuous in-line carbon monoxide CO monitors and three-stage respiratory airline filtration panels are designed to meet OSHA 1910.134 compressed breathing air monitoring requirements.