【Large Display Supports Backlight & ℃/℉ Switching】The 4.2CM×4.8CM high-definition display screen supports LCD backlight, which can display clear data even in dark or weak light conditions. When the digital micron vacuum gauge is turned on, short press the "ON/OFF" button to turn on and off the backlight. “UNITS” button short press to switch pressure units, long press to switch temperature units.
【Wide Application】The micron gauge is used to accurately measure small pressure changes in a vacuum, usually used in conjunction with vacuum pumps and refrigerant gauges, allowing you to monitor the vacuum evacuation process in precision cooling systems and heat pumps. The digital vacuum gauge can also read the real-time pressure during the evacuation of the refrigeration system to help you judge the degree of moisture removal and elimination of contaminants such as oil and external gases.
【Calibration Function & Battery Level Display & Non-Slip Design】By long pressing the "CAL" button, the micron vacuum gauge enters the calibration mode and exits automatically after completion. Powered by a 9V battery (included in the package), the battery frame on the screen will display the battery level. Both sides are designed with non-slip rubber, which is non-slip and comfortable to hold. The digital vacuum gauge adopts IP54 dustproof level, which is suitable for various field tests.
【Built-in Rechargeable Battery and Low Battery Reminder】The carbon dioxide detector has a built-in rechargeable lithium battery and is packaged with a USB cable. When fully charged, the detector can continue to work for 6-7 hours. When the battery level is too low, the battery box in the upper right corner of the screen will flash to remind the user to charge, and it can be used while charging without affecting the monitoring results.
【High-Precision Sensor and Maximum Value Button】The air quality test kit adopts an updated digital temperature and humidity sensor, and the high-precision sensor identifies and captures different pollutants in the mixed gas to ensure the accuracy of the measurement indicators. The home air quality tester has a MAX button to view the maximum data in the current test record.
