VACUUM GAUGE

UNI-T 1/4" WIRELESS VACUUM GAUGE UT336V | 1-19000 MICRON | -20 ~ 60℃ | 27.5 BAR | CRITICAL MEASUREMENT TASKS IN REFRIGERATION AND HEAT PUMP SYSTEMS

SKU: UNITUT336V Barcode: 6935750534298 Category: ELECTRICAL TESTING TOOLS
AED 440.00
In Stock
6 MONTHS
Free Delivery
MADE IN CHINA
15 Days Return
Cash on Delivery
Expected Delivery: 24-09-2026
Max: 24

Description

BRAND : UNI-T

ITEM NO.: UT361

ORIGIN : CHINA

INTERFACE : 1/4” SAE

VACUUM UNIT : MICRONS, MBAR, PA, KPA, HPA, MTORR, TORR, MMHG, INHG, INH2O, PSIA,

TEMPERATURE UNIT : ℃, ℉

VACUUM RANGE : 1-19000 MICRON

AMBIENT TEMPERATURE RANGE : -20 ~ 60℃

OVERLOAD PRESSURE : 27.5 BAR

UNIT MEMORY : βœ”

AUTO POWER OFF : βœ”

BATTERY STATE : βœ”

MOBILE APP : βœ”

OTA UPGRADE : βœ”

WATER SATURATION TEMPERATURE : βœ”

Ξ”T(THβ‚‚O-TAMB) : βœ”

DATA STORAGE : 8000

BATTERY TYPE : AA 1.5V * 3

WORKING ENVIRONMENT : -10~50℃, <90%RH(NON-CONDENSING )

STORAGE ENVIRONMENT : -20~60℃, <80%RH(NON-CONDENSING )

BATTERY : AA 1.5V X 3

BATTERY LIFE : ABOUT 100H(BACKLIGHT OFF)

ACCESSORIES : WIRELESS VACUUM GAUGE X1, USER MANUAL X1, SAFETY GUIDE X1, GENERAL DOWNLOAD OPERATION GUIDE X1, AA BATTERY X3, HANGING HOOK X1, CLOTH BAG (HARD) X1

SIZE : 145Γ—68Γ—39MM

WEIGHT : ABOUT 245G(BATTERY NOT INCLUDED)


RESOLUTION : 

1 -400 MICRON - 1 MICRON

400 – 3000 MICRON - 10 MICRON

3000 – 10000 MICRON - 100 MICRON

10000 – 19000 MICRON - 250 MICRON

AMBIENT TEMPERATURE : 0.1Β°C


ACCURACY :

1 – 10000 MICRON -  Β±10%RDG+10 MICRON

10000 – 19000 MICRON - Β±20%

AMBIENT TEMPERATURE : Β±0.5Β°C


THE UT336V IS A COMPACT, HIGH-PRECISION DIGITAL VACUUM GAUGE WITH INTEGRATED BLUETOOTH, DESIGNED FOR CRITICAL MEASUREMENT TASKS IN REFRIGERATION AND HEAT PUMP SYSTEMS. IT ACCURATELY MONITORS VACUUM LEVELS TO VERIFY SYSTEM DEHYDRATION AND CLEANLINESS, MAKING IT AN ESSENTIAL TOOL FOR INSTALLATION, COMMISSIONING, AND MAINTENANCE PROFESSIONALS WHO REQUIRE RELIABLE PERFORMANCE AND WIRELESS CONVENIENCE IN A PORTABLE DEVICE.


. COMPATIBLE WITH A1 / A2L / A2 / A3 AND PART OF B1 REFRIGERANTS.

. THE DEVICE CANNOT BE USED WITH AMMONIA REFRIGERANTS (NH3 / R717).

. CERTIFICATIONS: CE, ROHS

. LANGUAGE:EN, FR, DE, IT, ES, SV, PL, CZ

. AMBIENT TEMPERATURE MEASUREMENT

. WATER SATURATION TEMPERATURE DISPLAY

. MOBILE APP CONNECTION

. 8000 DATA STORAGE

. IP54 RATING

. HOOK DESIGN

Specifications

Item Code UNITUT336V
Barcode 6935750534298
Brand UNI-T

About Product

UNI-T UT336V Wireless Vacuum Gauge – 1/4" SAE Digital Vacuum Meter

The UNI-T UT336V Wireless Vacuum Gauge is a compact, high-precision digital vacuum measuring instrument designed for critical service, installation, commissioning, and maintenance tasks in refrigeration and heat pump systems. With integrated Bluetooth connectivity, mobile app support, multiple vacuum measurement units, ambient temperature measurement, water saturation temperature display, and extensive data storage, it provides technicians with a convenient way to monitor and document vacuum conditions.

Designed with a 1/4" SAE interface, the UT336V is suitable for professional HVAC and refrigeration applications where accurate vacuum measurement is essential for verifying system dehydration and cleanliness before charging refrigerant.

What Is the Purpose of the UNI-T UT336V?

The primary purpose of the UNI-T UT336V digital vacuum gauge is to measure and monitor the vacuum level inside refrigeration, air-conditioning, and heat pump systems during evacuation and servicing.

Proper evacuation helps remove unwanted air, moisture and non-condensable gases from a refrigeration system before refrigerant charging. Monitoring the vacuum level with a dedicated vacuum gauge allows HVAC technicians to determine whether the system has reached an appropriate vacuum condition and whether the evacuation process is progressing correctly.

The UT336V is particularly useful when reliable vacuum measurements are required during installation, commissioning, servicing, troubleshooting and preventive maintenance.

How to Use the UNI-T UT336V Wireless Vacuum Gauge

  1. Prepare the refrigeration system: Ensure the system and service connections are ready for evacuation according to the manufacturer's service procedure.
  2. Install the batteries: Insert the required AA batteries and switch on the vacuum gauge.
  3. Connect the gauge: Connect the UT336V to the appropriate service connection using its 1/4" SAE interface.
  4. Select the measurement unit: Choose the preferred vacuum unit such as micron, mbar, Pa, kPa, hPa, mTorr, Torr, mmHg, inHg, inH2O or psia.
  5. Start the evacuation process: Operate the vacuum pump according to the refrigeration system manufacturer's recommended procedure.
  6. Monitor the vacuum: Observe the vacuum level on the digital display as the system is evacuated.
  7. Check system dehydration: Use the vacuum reading to help determine whether the system has reached the required evacuation condition.
  8. Monitor temperature information: Use the ambient temperature and water saturation temperature functions when required for service analysis.
  9. Record measurements: Store measurement information in the internal memory or use the mobile app for convenient wireless monitoring and data management.
  10. Complete the service procedure: Once the required vacuum condition has been achieved and verified, follow the manufacturer's procedure for isolation, leak checking and refrigerant charging.

Important: Always follow the refrigeration equipment manufacturer's service instructions and use appropriate personal protective equipment. The UT336V should not be used with ammonia refrigerant (NH3 / R717).

Key Features of the UNI-T UT336V

  • High-precision vacuum measurement: Designed for accurate monitoring of deep vacuum conditions in refrigeration and heat pump systems.
  • Wide vacuum measurement range: Covers vacuum levels from 1 to 19,000 microns for versatile HVAC and refrigeration applications.
  • Wireless Bluetooth connectivity: Connect the gauge to a compatible mobile application for convenient remote monitoring and data management.
  • Multiple vacuum units: Supports micron, mbar, Pa, kPa, hPa, mTorr, Torr, mmHg, inHg, inH2O and psia.
  • Ambient temperature measurement: Provides temperature information to support refrigeration system analysis.
  • Water saturation temperature: Displays water saturation temperature to assist technicians during evacuation and dehydration procedures.
  • Ξ”T calculation: Provides the difference between water saturation temperature and ambient temperature for additional diagnostic information.
  • 8000-set data storage: Stores a large number of measurement records for documentation and later analysis.
  • Unit memory: Helps retain the selected measurement unit for convenient operation.
  • OTA upgrade support: Supports over-the-air firmware updates when available through the compatible system.
  • IP54 protection: Provides protection suitable for demanding professional service environments.
  • Hook design: The integrated hanging hook makes it easier to position the gauge during field service work.
  • Compact and lightweight: Designed for convenient transportation and use at different refrigeration and HVAC service locations.

Why Choose the UNI-T UT336V Wireless Vacuum Gauge?

The UNI-T UT336V combines precise vacuum measurement with wireless connectivity and refrigeration-focused functions in a compact professional instrument. Instead of relying on a basic vacuum indicator, technicians can obtain detailed digital measurements and use stored data for service documentation and analysis.

Its Bluetooth mobile app connection is especially useful when technicians need to monitor vacuum conditions without constantly handling the gauge. The large internal memory also makes the instrument suitable for recording measurements across multiple service jobs.

The ability to display water saturation temperature, ambient temperature and Ξ”T provides additional information that can assist HVAC professionals during system evacuation and dehydration checks.

Who Should Buy the UNI-T UT336V?

The UNI-T UT336V vacuum gauge is designed for professionals who work with refrigeration, air-conditioning and heat pump systems, including:

  • HVAC technicians
  • Refrigeration technicians
  • Air-conditioning service engineers
  • Heat pump installation professionals
  • HVAC commissioning technicians
  • Refrigeration maintenance teams
  • Commercial refrigeration service companies
  • Air-conditioning installation companies
  • Industrial refrigeration technicians
  • Cold room and freezer technicians
  • HVAC troubleshooting professionals
  • Refrigeration equipment manufacturers and service teams

Where Is the UNI-T UT336V Used?

The UT336V can be used in a wide variety of refrigeration and HVAC service environments where accurate vacuum measurement is required.

  • Air-conditioning installation: Verify evacuation conditions before refrigerant charging.
  • Refrigeration systems: Monitor vacuum levels during installation and servicing.
  • Heat pump systems: Check system evacuation and dehydration conditions during commissioning.
  • Commercial refrigeration: Support maintenance and service operations on refrigeration equipment.
  • Cold rooms and freezers: Assist technicians during refrigeration system installation and maintenance.
  • HVAC commissioning: Verify vacuum conditions before placing newly installed systems into operation.
  • Preventive maintenance: Record vacuum measurements as part of service documentation.
  • System troubleshooting: Help technicians investigate vacuum-related service problems.
  • Refrigeration repair: Monitor evacuation after opening or repairing a refrigeration circuit.

Benefits of Using a Digital Vacuum Gauge

A reliable vacuum measurement is an important part of refrigeration and air-conditioning system servicing. Moisture and unwanted gases inside a refrigeration circuit can negatively affect system operation, so technicians need an accurate method of monitoring the evacuation process.

The UT336V digital vacuum gauge provides precise vacuum monitoring together with temperature information, wireless connectivity and data storage. This helps make service work more convenient and provides technicians with measurable information that can be recorded and reviewed.

Its compact construction and hanging hook also make it practical for technicians working around HVAC equipment, refrigeration units and heat pump installations.

Refrigerant Compatibility

The UNI-T UT336V is compatible with a range of refrigerants classified as A1, A2L, A2 and A3, as well as part of the B1 refrigerant category according to the manufacturer's stated compatibility. However, the device must not be used with ammonia refrigerants (NH3 / R717).

Always verify refrigerant compatibility, connection requirements and safety procedures before using the instrument on a refrigeration system.

Professional HVAC Vacuum Measurement with UNI-T

The UNI-T UT336V Wireless Vacuum Gauge is a practical professional tool for technicians who require accurate vacuum monitoring during refrigeration and heat pump service. Its precise micron measurement, Bluetooth connectivity, mobile app support, temperature functions, water saturation temperature display, extensive data storage, IP54 protection and compact hook-equipped design make it well suited for modern HVAC and refrigeration maintenance.

Frequently Asked Questions About UNI-T UT336V

What is the UNI-T UT336V used for?

The UNI-T UT336V is a digital wireless vacuum gauge designed to measure and monitor vacuum levels in refrigeration, air-conditioning and heat pump systems during installation, commissioning and maintenance.

What is the vacuum range of the UT336V?

The UT336V measures vacuum from 1 to 19,000 microns, making it suitable for deep-vacuum measurement during refrigeration system evacuation.

Does the UT336V have Bluetooth?

Yes. The UT336V features integrated Bluetooth connectivity and supports connection with a compatible mobile application for wireless monitoring and data management.

What vacuum units does the UT336V support?

The UT336V supports multiple vacuum units including microns, mbar, Pa, kPa, hPa, mTorr, Torr, mmHg, inHg, inH2O and psia.

Can the UT336V measure temperature?

Yes. The UT336V provides ambient temperature measurement and can display water saturation temperature and the difference between water saturation temperature and ambient temperature.

How much data can the UT336V store?

The UT336V can store up to 8000 sets of measurement data, allowing technicians to retain measurement records for service documentation and later review.

Does the UT336V support automatic power off?

Yes. The UT336V includes an automatic power-off function designed to help conserve battery power during use.

What connection does the UT336V use?

The UT336V uses a 1/4-inch SAE interface, making it suitable for compatible HVAC and refrigeration service connections.

Can the UT336V be used with ammonia refrigerant?

No. The UT336V must not be used with ammonia refrigerants such as NH3 or R717. Users should verify refrigerant compatibility before connecting the gauge.

Who should use the UNI-T UT336V?

The UT336V is suitable for HVAC technicians, refrigeration engineers, air-conditioning installers, heat pump technicians, commissioning professionals and maintenance teams who require accurate vacuum measurements.

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