AZ7721 Wall Mount CO2 Meter Air Quality Analyzer CO2 Temperature Monitor
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AZ 7721 CO2 & Temperature . meter features:
* Super large LCD display CO2 value and temperature simultaneously
* Designed with NDIR (Non-Dispersive Infrared) wave guide technology
* ABC (Automatic Background Calibration) preset on for long time drift compensation
* Display 8 hrs TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit)
* Easy to manually calibrate CO2 at fresh air
* Digital wall mountable / desktop type
* Warning Carbon Dioxide level
* Alarm output drive relay to control system
Application
Application of 7721 AZ CO2 Meter:
The 7721 AZ Wall Mount CO2 detector could measure the indoor air quality (IAQ) index, including the CO2
concentration, CO2 level and air temperature. The Carbon Dioxide value can be output to PC for on-line analysis
via USB interface. And it can be calibrated easily in the fresh air.
Poor indoor air quaintly is considered unhealthy because it causes tiredness, loss of ability to concentrate, and
even illness (ex: sick building syndrome). IAQ monitoring and survey, especially on CO2 level and air ventilation
become widely applied in public areas such as office, classroom, factory, hospital, work space, residential,
commercial building and hotels. It is also suggested in regulations of industrial hygiene in some countries.
The 7721 AZ CO2 device has the relay function, which could transfer the signal to control the other equipment.
The 7721 AZ CO2 meter has the stable NDIR CO2 sensor, and it is the ideal instrument for IAQ diagnosis.
Its big LCD could be the best CO2 Monitor for long term monitoring. User could use the relay function to control
or transfer the data to the following related instruments. And the built-in alarm output is especially helpful in
ventilation control and HVAC system performance verification.
Specification
Specification of 7721 AZ CO2 Meter:
| Model | 7721 |
| CO2 Range | 0~9999 ppm (2001~9999 ppm out of scale range) |
| CO2 Resolution | 1 ppm |
| CO2 Accuracy | ±50 ppm ±5% of reading (0~2000 ppm), other range are not specified |
| CO2 Response Time | ＜30 Seconds (90% step change) |
| CO2 Warm-up Time | 30 Seconds |
| Air Temperature Range | -10~60℃, 14~140℉ |
| Air Temperature Resolution | 0.1℃, 0.1℉ |
| Air Temperature Accuracy | ±0.6℃, ±0.9℉ |
| Air Temperature Response Time | ＜2 mins (90% step change) |
| LCD Size | 65(L) * 50(W) mm |
| Meter Size | 130(L) * 85(W) * 60(H) mm |
| Operating Temperature | 0~50℃ |
| Operating RH% | 0~95% RH (avoid condensation) |
| Storage Temperature | -20~50℃ |
| Storage RH% | 0~90% RH (avoid condensation) |
| Power Supply | 12V DC Adaptor |
| Battery life | ＜50 mA (average), ＜310 mA (peak) |
| Weight | ~200g |
| Standard Package | Meter, Manual,Paper Box, 12V USA Type Adaptor |
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Shipping Information
Out Of Dhaka: 1–3 working days for most locations within Bangladesh and cost only ৳120 TAKA.
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Return Policy
You may return items purchased from Meter BD Shop within 7 days of receiving the product.
To be eligible for a return, the product must meet the following conditions:
1. Unused, 2. In the original packaging & 3. Proof of purchase.
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