Feature

●Design with NDIR (Non-Dispersive Infrared) wave guide technology sensor
●Triple displays of CO2 level, temperature and humidity
●Data output to PC every 2 seconds for on-line analysis
●Display 8 hrs TWA value (time-weighted average) & 15 minutes STEL value (short-term exposure limit)
●Housing design surrounds with rails to help air ventilation for quick and accurate response


Description

* Easy manual calibration on CO2 and humidity (with AZ salt bottle)

* Dual display 2 parameters simultaneously: CO2, temperature

* Audible carbon dioxide level warning alarm

* Big LCD display with high resolution

* Back light for working in dark area

* Battery and adaptor power supply

* PC connect via USB interface

Specification of 77535 AZ CO2 Meter:

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, Hard Carry Case