JD3002 John Deere Rim

Gearwell Air Monitor, CO2 TVOC Humidity and Temperature Detector JD-3002, Indoor Air Quality Tester, Environmental Gas Sensor Device
Gearwell Mute button: Turn on or off the alarm sound. In the silent mode, the volume prohibited sign is not displayed and there is no alarm sound. The default is to turn on the sound. || + button: when setting the alarm value, increase the value; power button: press and hold for 2 seconds to turn on or off the power, when the power is turned on, the number field will count down from 120. || Air quality detector temperature unit selection button: conversion between Celsius and Fahrenheit. || Setting button: short press this button to set the alarm value of CO2TVOCHCHO in turn, display the original factory setting value and flash. || Use the + button and the - button to adjust the parameter, the value will be automatically stored after 10 seconds.

Air Quality Monitor CO2 TVOC Temperature Humidity Detector for Industrial Testing Equipment JD-3002
Mingzhe [Turn On/off Alarm Sound] Easily control the alarm sound with silent mode for a peaceful environment. the default setting ensures the sound is on for immediate alerts. || [Temperature Unit Switch] Effortlessly switch between celsius and fahrenheit for versatile usage. the display accurately showcases readings in your preferred unit of measurement. || [Precise Parameter Adjustment] Tailor the settings with the + and - buttons for precise adjustments. values are automatically saved after 10 seconds, ensuring accurate monitoring. || [Power Management] Seamlessly operate the power button for quick functionality. just hold for 2 seconds to turn on or off, with a 120-second countdown upon activation. || [Alarm Value Adjustment] Customizable alarm values for co2, tvoc, and hcho levels. easily adjust and store the desired parameters with the touch of a button.

KYKYK Air Quality Monitor, JD-3002 Air Quality Tester Multifunctional CO2 TVOC HCHO Meter Temperature Humidity Measuring Device CO2 Detector Gas Analyzer Home Air Test Kits(Plastic Box Type)
KYKYK Adopts digital temperature and humidity sensor, high accuracy, stable peormance, antijamming ability, low consumption and can provides long service time. || Lar LCD display, you can see the electricity quantity, CO2 value, TVOC value, HCHO value, temperature, and humidity clearly. || and switchable, and the alarm sound can be on or off according to your demands. || Equipped with environmental quality judgment function, it will display appropriate level according to measuring value.\ || When the battery is too low, the battery frame flashes to remind you to rechar it.