4 in 1 soil pH analysis test instrument measuring thermometer hygrometer light with battery Garden Plant Digital Soil Tester

4 in 1 soil pH analysis test instrument measuring thermometer hygrometer light with battery Garden Plant Digital Soil Tester
  • Продавецflimmer.com
  • Список ценUS $28.50piece
  • Продажная ценаUS $28.50piece
  • ДоставкаБесплатная доставка
  • Рейтинги4,5 (224)

Oписание продукта

AZ77232 Indoor Air Quality Meter Wallmount CO2 Temp RH Tester

 

- Low cost wall mountable monitor checking indoor air quality

- Super large LCD displays CO2 ,temperature & humidity simultaneously

- Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor

- ABC (automatic background calibration) preset on for long time drift compensation

- Warning carbon dioxide level programmable

- Visible & audible alarm (~80db) are both available

- Alarm output drives built- in relay to control ventilation system

- Max ,min, average functions included

- PC output to computer for on line analysis

- Display 8 hrs TWA value (time-weighted average) Or 15 minutes STEL value (short-term exposure limit)

- Housing design surrounds with rails to help air ventilation for quick and accurate response

- Easy to manually calibrate at fresh air around 380-420ppm

- Temperature unit is switchable

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