AZ Instruments
Combo CO2/CO/Temp/RH% Logger
(Model No.: AZ-77597)

(Estimate lead time: the end of June 2021)

The 77597 AZ portable CO2/CO meter is a multi-gas detector, which could measure the indoor air quality index, including the CO2, CO concentration, dew point, wet bulb value, and air temperature.

The 77597 AZ device could be used as the CO2 data logger for the air quality index in all workspace, office, hospital, school, station or home.

Features:

• Low-cost portable meter checking indoor air quality
• Big LCD w/backlight to display 6 parameters: CO2, CO, temperature, humidity, dew point, wet bulb
• Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor
• Designed with fast response electrochemical CO sensor
• The programmable warning CO level
• Long time drift compensation on CO2 sensor
• Manual calibration is available for CO2/CO/RH%
• 99 points manual & up to 32000 points auto logging memory
• Audible alarm (~80db) threshold setting
• Max, min, TWA, STEL, average, hold functions included
• Mini USB output to PC for data analysis

Specifications:

• Carbon Dioxide (CO2)
• Range: 0~9999ppm (5001~9999ppm out of scale range)
• Resolution: 1ppm
• Accuracy: ±30ppm±5% of reading (0~5000ppm), other range are not specified
• Response time: <30 sec (90% step change)
• Carbon Monoxide (CO)
• Range: 0~1000ppm
• Resolution: 1ppm
• Accuracy:
• ±10ppm for less than 100ppm
• ±10% or reading for 101~500ppm
• ±20% of reading for 501ppm and above
• Response time: <60 sec (90% step change)
• Air Temperature
• Range: -20~60℃ (-5~140℉)
• Resolution: 0.1℃/℉
• Accuracy: ±0.6℃ /±0.9℉
• Response time: < 2 mins (90% step change)
• Relative Humidity
• Range: 0.1~99.99%RH
• Resolution: 0.1%RH
• Accuracy:
• ±3%RH (at 25℃, 10~90%RH)
• ±5%RH (at 25℃, other range)
• Response time: < 10 mins (90% step change)
• DP (Dew point temp.): -20.0~59.9℃
• WB (Wet bulb temp.): -5.0~59.9℃
• Warm-up time: 30 seconds
• LCD size: 26(H)*44(W)mm
• Operating temperature:
• CO2 sensor: -20℃ to +50℃
• CO sensor: 0℃ to +50℃
• The rest parameter: -20℃ to +60℃
• Operating humidity: 0~90%RH (avoid condensation)
• Storage temperature:   -20℃ to +60℃
• Storage humidity:  0~90%RH (avoid condensation)
• Power supply: 4 x AA batteries or 9V adaptor
• Battery Life: > 24 hours (alkaline battery)
• Weight: 200g
• Meter  size: 205(L)*70(W)*56(T)mm
• Weight: 200g

Standard Package:

• AZ77597 Meter
• User Manual
• USB cable & CD
• Hard carry case