CO-GUARD Compressed Airline Monitor
- 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
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.
CO-GUARD is designed for use in a wide variety of applications ranging from automotive paint spray operations to wood finishing. This monitor can be used in virtually any commercial or industrial process that requires carbon monoxide monitoring of compressed breathing air for personnel working in such operations.
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
- Carbon monoxide (CO)
Calibration Equipment for CO-Guard (Part No. 03481-005):
Part No. Description
03700-500 Calibration Regulator, for 34 liter steel cylinder, 1 Lpm
03219-020 Calibration Gas, 34 liter steel cylinder, 20 ppm Carbon monoxide, CO
03296-209 Zero Gas, 34 liter steel cylinder, 20.9% Oxygen, O2
03700-036 Adapter, 11 liter aluminum cylinder
03101-020 Calibration Gas, 11 liter aluminum cylinder, 20 ppm CO, w/bellows assembly
03100-209 Zero Gas, 11 liter aluminum cylinder, 20.9% O2, w/bellows assembly
73083-000 Calibration Equipment Case – Holds Gas Regulator, Calibration Adapter, and up to two 34 liter Calibration Gas Cylinders.
Calibration Equipment for CO-Guard-MOS (Part No. 03481-040):
Part No. Description
02506-008 Calibration Regulator Assembly (order 03700-039 separately)
03700-039 Calibration Adapter (order 02506-008 separately)
03219-020 Calibration Gas, 34 liter steel cylinder, 20 ppm Carbon monoxide, CO
03296-209 Zero Gas, 34 liter steel cylinder, 20.9% Oxygen, O2
73083-000 Calibration Equipment Case – Holds Gas Regulator, Calibration Adapter, and up to two 34 liter Calibration Gas Cylinders.
To place an order, please contact our experienced and professional customer service team:
PHONE: 734-761-1270
EMAIL: [email protected]
If you cannot find what you need or require a custom part, simply call and speak to one of our knowledgeable gas monitoring experts. They will be able to walk you through the ordering process quickly and professionally.
Instrument Part No.
CO-GUARD, with regulator & 5 foot hose 03481-005
NOTE: Power cable not supplied
Consult factory for oxygen or other optional instrument configurations.