Product Line

CO
7701 AZ Digital Pocket Type Carbon Monoxide CO Meter
Features

AZ 7701 CO Meter features:
* Pocket type, digital displays
* Warning Carbon Monoxide Level is adjustable
* Dual display CO reading and maximum value
* Back light for operating in dark area
* 2 points (0/500 ppm) CO calibration
* Low battery indicator
* A long life electrochemical Carbon Monoxide sensor
* Preset an audible alert triggers above 25 ppm indicating threshold of dangerous CO concentration
* Auto power off function
* Temperature unit ℃/°F switchable

Application

Application of 7701 AZ CO Detector:
The 7701 AZ Carbon Monoxide Alarm Detector could measure Carbon Monoxide concentration in ppm. It has the big LCD to display the current CO value in the closed space, car, hospital, factory or other environmental situation. Users can set and adjust CO Concentration alarm for different purposes.

The 7701 AZ pocket digital CO tester has the back light function, which could let user to operate in the dark area easily. It could be calibrate by user.

The 7701 AZ pocket digital CO tester was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.

CO levels and its 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 space 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. 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

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Specification

Specification of 7701 AZ CO Detector:

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
Youtube
Welcome to learn more about the 7701 AZ Pocket Type CO Meter from the following product introduction video via YouTube.

Download
Welcome to download and check the specification, operation manual and CE certificate of 7701 AZ Pocket Type CO Meter from the following website linkage.
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