{"product_id":"az77597-combo-portable-co-co2-temperature-humidity-data-logger-carbon-dioxide-recorder-combo-iaq-meter","title":"AZ77597 Combo Portable CO CO2 Temperature Humidity Data Logger Carbon Dioxide Recorder Combo IAQ Meter","description":"\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e Graigar\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eColor:\u003c\/b\u003e Gray\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne touch to display CO2, Dew point temperature, Wet bulb temperature, Air temperature, Humidity, CO in turns.\u003c\/li\u003e\n\u003cli\u003eDesigned with NDIR (non-dispersive infrared) wave guide technology CO2 sensor; Designed with fast response electrochemical CO sensor.\u003c\/li\u003e\n\u003cli\u003eProgrammable warning CO level; Long time drift compensation on CO2 sensor; Audible alarm (~80 db) threshold setting.\u003c\/li\u003e\n\u003cli\u003eMax, Min, TWA, SETL, average, hold functions included; Mini USB output to PC download function for data analysis.\u003c\/li\u003e\n\u003cli\u003e99 points manually recording could be review; Up to 32000 points auto logging memory.\u003c\/li\u003e\n\u003cli\u003eProfessional portable meter to check and record indoor air quality; Housing design surrounds with rails to help Air ventilation for quick and accurate response.\u003c\/li\u003e\n\u003cli\u003eEasy to manually calibrate CO2 at fresh air around 380~420 ppm; Manual calibration is also available for CO; RH sensor could be calibrated with AZ 33%\/75% salt bottle easily.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003emodel number:\u003c\/b\u003e AZ77597\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBruce\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43259324137542,"sku":"B0CWLGCX2C","price":484.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/41G7Xc9mHJL.jpg?v=1749024911","url":"https:\/\/www.graigartech.com\/th\/products\/az77597-combo-portable-co-co2-temperature-humidity-data-logger-carbon-dioxide-recorder-combo-iaq-meter","provider":"Shenzhen Graigar Technology Co.,Ltd.","version":"1.0","type":"link"}