AZ Instrument Corp.
Temp/RH/CO2 Analysis Meter
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This meter is designed with NDIR (non-dispersive infrared) waveguide technology, low drift, and stability. Data is shared to the PC every 2 seconds for online analysis. An 8-hour time-weighted-average (TWA) value and 15-minute short-term exposure limit (STEL) are displayed. The housing design surrounds with rails to aid air ventilation for quick and accurate responses. This meter is easy to calibrate with CO2 in the fresh air around 380-420ppm.
Highlighted Features
- Design with NDIR (Non-Dispersive Infrared) waveguide technology sensor
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Triple displays of CO2 level, temperature, and humidity
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Data output to PC every 2 seconds for online analysis
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Display 8 hrs TWA value (time-weighted average) & 15 minutes STEL value (short-term exposure limit)
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The housing design surrounds with rails to help air ventilation for quick and accurate response
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Easy manual calibration on CO2 and humidity (with AZ salt bottle)
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Dual display 2 parameters simultaneously: CO2, temperature
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Audible carbon dioxide level warning alarm
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Big LCD display with high resolution
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Backlight for working in a dark area
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Battery and adaptor power supply
- PC connects via USB interface
Applications
The 77535 AZ portable CO2 detector could measure the indoor air quality index, including the CO2 concentration, CO2 level, CO2 level, air temperature, dew point, wet bulb temperature, and humidity. The Carbon Dioxide value can be output to the PC for online analysis. The CO2 sensor can be calibrated easily in fresh air, and the RH sensor could be calibrated with AZ 33%/75% salt bottle.
The 77535 AZ CO2 device could be used as the CO2 checker for the air quality index in all workspaces, offices, hospitals, schools, stations, or homes. It can be calibrated easily in the fresh air and its backlight function could let users operate in the dark area. The 77535 AZ is your best choice as the indoor air quality (IAQ) tester.
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 surveys, especially on CO2 level and air ventilation become widely applied in public areas such as offices, classrooms, factories, hospitals, workspaces, residential, commercial buildings, and hotels. It is also suggested in regulations of industrial hygiene in some countries.
The 77535 AZ CO2 & Temperature & Relative Humidity Meter was being designed and manufactured by AZ Instrument, a well-experienced manufacturer of Environmental Measuring Instrument.
Specifications
| Model | 77535 |
| CO2 Range | 0~9999 ppm (5001~9999 ppm out of scale range) |
| CO2 Resolution | 1 ppm |
| CO2 Accuracy | ±30 ppm ±5% of reading (0~5000 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) |
| Humidity Range | 0.1~99.9% RH |
| Humidity Resolution | 0.1% RH |
| Humidity Accuracy | ±3%RH (at 25℃, 10~90%RH); others ±5%RH |
| Humidity Response Time | ＜10 mins (90% step change) |
| LCD Size | 44(L) * 26(W) mm |
| Meter Size | 205(L) * 70(W) * 56(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 | AA * 4 PCS |
| Battery life | ＞ 24 hours (Alkaline Battery) |
| Weight | ~200g |
| Standard Package | Meter, Manual, Batteries, Hard Carry Case |