Feature
●NOTE: (1) When using the product, you must use the sealing gasket included in the package to prevent gas leakage. (2) Use the calibration function to calibrate the product before each measurement. Note: Failure to calibrate will affect the measurement results. (3) When the gas change is not obvious, wait for 1-2 minutes. If there is no change in the measurement data, it means the gas tends to be stable and is in a vacuum state.
●1.【Monitoring Mode & Sound and Light Alarm】When the micron vacuum gauge is turned on, it defaults to normal mode, short press the "SET" button to enter the monitoring mode. If the current pressure is lower than the set pressure, the backlight of the HVAC vacuum gauge will flash and the buzzer will sound continuously. When the pressure is greater than the set pressure, the alarm will disappear automatically (press any key or the alarm can be automatically disarmed after 30 seconds).
●2.【High Precision Sensor & 13 Pressure Units】The micron vacuum gauge uses a professional micron-level sensor for more accurate measurement. Measuring range: 0-100KPa/14.50Psi/750061umHg (micron), resolution: 0.001Kpa/1umHg, accuracy: ±0.1%FS. The HVAC micron vacuum gauge supports 13 units: mmHg, inHg, umHg, ftH2O, cmH2O, inH2O, Pa, Kpa, mbar, bar, Kg/cm², psi, oz/in².
●3.【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.
●4.【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.
●5.【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.
●6.【Packing List and 3-Year Warranty】The digital micron vacuum gauge kit includes a vacuum gauge (built-in 9v battery), a 1/4" SAE extension straight joint, a 1/4" SAE tee joint, an English user manual and a portable carrying bag. We offer a free 36-month warranty on this micron vacuum gauge kit to ensure your shopping experience. If you have any questions about this micron gauge HVAC kit, please feel free to contact us and we will provide you with a satisfactory solution as soon as possible.
Description
WIDE APPLICATION & 3 YEARS AFTER-SALES SERVICE
- Accurately measuring small pressure changes in a vacuum allows you to monitor the vacuum evacuation process in precision cooling systems and heat pumps.
- Read the real-time pressure during the vacuuming process of the refrigeration system to help you judge the degree of moisture removal and elimination of contaminants such as oil and external gases.
- Often used in conjunction with vacuum pumps and refrigerant gauges to provide comprehensive monitoring of the cooling system.
We provide 24-hour friendly product service and 36-month after-sales service for this digital vacuum gauge to ensure your shopping experience. If you have any questions about this micron gauge kit, please feel free to contact CMTOOL!
SOUND AND LIGHT ALARM
- If the current pressure is lower than the set pressure, the backlight of the HVAC vacuum gauge will flash and the buzzer will sound continuously.
- When the pressure is greater than the set pressure, the alarm will disappear automatically (press any key or the alarm can be automatically disarmed after 30 seconds).
It is recommended to read the manual carefully before using this digital vacuum gauge. Please check the manual in the "Product guides and documents" section of the product detail page.
OPERATION INSTRUCTION OF BUTTONS
- ON/OFF Button: Short press to turn on/off the backlight, Long Press to turn on/off the gauge.
- UNITS Button: Short press to switch the pressure unit, Long press to switch the temperature unit.
- SET Button: Short press to enter the monitoring mode, Long press to enter the pressure alarm value setting, and Long press again to save the setting pressure and exit.
- CAL Button: Long press to enter the calibration settings and exit automatically when finished.
- MAX/MIN Button: Short press to switch between the maximum value and minimum value.
- Up/Down Button: Short press to setting alarm pressure and adjust other values.
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1/4" SAE Male FittingThe digital vacuum gauge uses a standard 7/16"-20UNF (1/4" SAE) interface, and there are two conversion connectors in the package: a 1/4" SAE extension straight joint, and a 1/4" SAE tee joint. |
Non-Slip DesignBoth sides of the digital micron gauge are designed with non-slip rubber, which is non-slip and comfortable to hold. |
Powered by a 9V battery (Included in the package)The battery box in the upper right corner of the screen displays the battery power in real-time, so you can check the battery usage at any time. |
SPECIFICATIONS
- Measuring range: 0~100 Kpa / 0~750000 microns...
- Measurement unit: mmHg, inHg, umHg (microns ), ftH2O, cmH2O, inH2O, Pa, Kpa, mbar, bar, Kg/cm², psi, oz/in²
- Accuracy: ±0.1%FS
- Resolution: 0.001Kpa/1umHg
- Set Alarm Thresholds: 0~100 Kpa / 0~750000 microns...
- Alarm: Sound and light alarm
- Exceed the set pressure display: Error
- Screen: HD display, support backlight
- Temperature unit: Switchable °C/°F unit
- Working temperature: 0~50°C (32-122°F)
- Storage temperature: -10-60°C (14~140F)
- Power supply: 9V (included)
- Weight: 400g
INSTRUMENT CLEANING
Contaminants such as oil can affect the accuracy of the vacuum sensor. Follow these steps to clean the sensor:
- Prior to cleaning, ensure the meter is powered off.
- Apply medical-grade alcohol to both interfaces.
- Gently shake the instrument for a brief period.
- Remove any residual alcohol from the instrument
- Repeat this process at least twice
- Allow the vacuum gauge to air dry for a minimum of 1 hour before the next use.
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