AZ Portable Indoor Air Quality Temperature CO2 Meter 7752

7752 AZ CO2 Temp Meter features:
* Design with NDIR (Non-Dispersive Infrared) wave guide technology sensor
* 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
* Easy to calibrate CO2 at fresh air around 380-420 ppm
* 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 (P/N: USBAZM)
* Auto-sleep function
* Low battery indicator

CO2 Range0~9999 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 Resolution0.1℃, 0.1℉

Air Temperature Accuracy ±0.6℃, ±0.9℉

Air Temperature Response Time ＜2 mins (90% step change)

LCD Size : 44(L) * 26(W) mm

Meter Size : 205(L) * 70(W) * 56(H) mm

Operating Temperature0 ~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