AZ Instrument Corp.
Pocket CO Analysis Meter
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Pocket CO Analysis Meter
EUCA Head Office
Clearwater Office Park
Parkhaven, Block H Ground Floor
Boksburg
Gauteng
1459
South Africa
This is a digital handheld instrument used for checking carbon monoxide concentration. The device utilizes dual LCD screens that display both current and maximum CO readings. A long-life and reliable electrochemical carbon monoxide sensor is used in the device and an audible carbon monoxide warning alarm is preset at 25 ppm as well. The device can be manually calibrated at 0 to 500 ppm carbon monoxide standard gas.
Highlighted Features
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Pocket-type, digital displays
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Warning Carbon Monoxide Level is adjustable
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Dual display CO reading and maximum value
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Backlight for operating in a dark area
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2 points (0/500 ppm) CO calibration
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Low battery indicator
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A long-life electrochemical Carbon Monoxide sensor
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Preset an audible alert triggers above 25 ppm indicating the threshold of dangerous CO concentration
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Auto power off function
- Temperature unit ℃/°F switchable
Applications
The 7701 AZ Carbon Monoxide Alarm Detector could measure Carbon Monoxide concentration in ppm. It has a big LCD to display the current CO value in a closed space, car, hospital, factory, or other environmental situation. Users can set and adjust the CO Concentration alarms for different purposes.
The 7701 AZ pocket digital CO tester has a backlight function, which could let the user operate in the dark area easily. It could be calibrated by the user.
CO levels and their effect
ppm | Symptoms and applicable standard |
0-1 | Normal background levels |
9 | Maximum indoor air quality level: Maximum allowable concentration per ASHRAE Residential standards 62-1989 for living area. |
25 | Maximum limit 8 hrs of continuous exposure per California OSHA workplace standards. |
35 | Maximum 8 hrs average exposure level per US OSHA workplace standards |
50 | Maximum concentration for continuous exposure in any 8 hrs average level per OSHA standards. |
100 | Remove employees from enclosed spaces if the CO concentration exceeds 100ppm per OSHA exposure limit. |
200 | Mild headache, fatigue, nausea, and dizziness within 2-3 hrs. |
400 | Frontal headache, life threatening after 3 hrs. The maximum concentration in flue gas per the US EPA and AGA standards. |
800 | Dizziness, nausea, convulsions, death within 2-3 hrs. |
1600 | Nausea w/i 20 min.,death w/i 2-3 hrs |
Specifications
Model | 7701 |
CO Range | 0~999 ppm |
CO Resolution | 1 ppm |
CO Accuracy (at 20±5℃, 50±20%RH) |
±20% at 0~100 ppm; ±15% at 100~500 ppm, other range are not specified |
CO Response Time | within 60 seconds |
LCD Size | 26(H) * 11(W) mm |
Meter Size | 175(L) * 47(W) * 28(H)mm |
Operating Temperature | 0~50℃ |
Operating RH% | 5~95% RH (avoid condensation) |
Storage Temperature | -20~50℃ |
Storage RH% | 0~95% RH (avoid condensation) |
Power Supply | 3 PCS AAA Batteries |
Battery Life | 300 hours |
Weight | ~120g |
Standard Package | Meter, Manual, Batteries, Plain Box, Wrist Strap, Soft carry pouch |