Best Test Gauge HVAC in 2025
Updated on June 2025
#1
Recommended
5% Off
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- Ritchie Charging Manifold Assembly model 484245
- Brand: Yellow Jacket
- Dimensions: 2.0 inches (L) x 2.0 inches (W) x 2.0 inches (H)
- Weight: 2.0 lbs
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- Ritchie Charging Manifold Assembly model 484245
- Brand: Yellow Jacket
- Dimensions: 2.0 inches (L) x 2.0 inches (W) x 2.0 inches (H)
- Weight: 2.0 lbs
#2
Value for Money
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- Designed and assembled in the U.S. for reliable performance in HVAC and refrigeration applications.
- Durable forged brass body suitable for professional use.
- Free floating piston-type valves minimize friction, increasing the lifespan of internal components.
- Includes three 60" kink-resistant high-pressure hoses with standard ¼” SAE fittings for enhanced durability.
- Large 3 1/8” silicone-dampened gauges with color-coded scales for quick refrigerant identification.
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- Designed and assembled in the U.S. for reliable performance in HVAC and refrigeration applications.
- Durable forged brass body suitable for professional use.
- Free floating piston-type valves minimize friction, increasing the lifespan of internal components.
- Includes three 60" kink-resistant high-pressure hoses with standard ¼” SAE fittings for enhanced durability.
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#3
14% Off
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- Single test pressure gauge compatible with R22, R410A, and R404A refrigerants.
- Includes a 12-inch hose for easy connection and maneuverability.
- Designed for precise pressure measurements in refrigeration systems.
- Compact and lightweight for easy transport and storage.
- Durable construction ensures reliability during use.
- Ideal tool for HVAC technicians and professionals.
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- Single test pressure gauge compatible with R22, R410A, and R404A refrigerants.
- Includes a 12-inch hose for easy connection and maneuverability.
- Designed for precise pressure measurements in refrigeration systems.
- Compact and lightweight for easy transport and storage.
- Durable construction ensures reliability during use.
- Ideal tool for HVAC technicians and professionals.
#4
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- Accurate at any elevation, providing real-time data via the Job Link app on mobile devices
- Features a wireless signal range of up to 350 feet
- Achieves stabilization in under 5 seconds with an accuracy of +/-1°
- Equipped with a long flexible probe and sliding magnet for convenient hands-free measurements
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- Accurate at any elevation, providing real-time data via the Job Link app on mobile devices
- Features a wireless signal range of up to 350 feet
- Achieves stabilization in under 5 seconds with an accuracy of +/-1°
- Equipped with a long flexible probe and sliding magnet for convenient hands-free measurements
#5
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- Calibrated to NIST standards for optimal accuracy and reliability.
- Features an advanced self-heated thermistor bridge with automatic temperature compensation.
- Sensor is field cleanable and can withstand 400 Psi of positive pressure.
- Displays evacuation process with a continual readout on a large 5-digit LCD screen.
- Allows selection of units: microns, torr, in/hg, or mBar.
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- Calibrated to NIST standards for optimal accuracy and reliability.
- Features an advanced self-heated thermistor bridge with automatic temperature compensation.
- Sensor is field cleanable and can withstand 400 Psi of positive pressure.
- Displays evacuation process with a continual readout on a large 5-digit LCD screen.
- Allows selection of units: microns, torr, in/hg, or mBar.
#6
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- Accurate pressure readings for efficient diagnosis and troubleshooting of HVAC systems.
- Compatible with a variety of refrigerants including R134a, R12, R22, R32, and R502.
- Clear display for easy monitoring of pressure levels.
- Durable construction ensures reliability for professional use.
- Includes all necessary hoses and connectors for complete setup.
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- Accurate pressure readings for efficient diagnosis and troubleshooting of HVAC systems.
- Compatible with a variety of refrigerants including R134a, R12, R22, R32, and R502.
- Clear display for easy monitoring of pressure levels.
- Durable construction ensures reliability for professional use.
- Includes all necessary hoses and connectors for complete setup.
#7
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- Packing List: you will 1 x mini wireless digital vacuum gauge with power adapter rechargeable pressure tester meter HVAC 0-19000 micrometer, 1 x vacuum rated valve core removal installer tool 1/4'' 5/16", 1 x brass tee adapter, 1 x brass dual head adapter
- Wide Measurement Range and High Accuracy: designed for detecting system leaks and evaluating the performance of vacuum pumps in HVAC and refrigeration systems, this device delivers accurate readings from 19, 000 micrometer (atmospheric pressure) down to 0 micrometer; With a measurement accuracy of ±10% or ±10 micrometer, it features app based alarms, offline recording, temperature compensation, and a 1/4" SAE connection; Its large full view LCD continuously displays the evacuation process
- Intelligent H2o State Assessment: this vacuum meter evaluates the physical state of water by comparing the ambient temperature with the water's saturation temperature corresponding to the system's vacuum level; Users can set a target threshold, and notifications will be automatically sent when readings exceed this preset value; Additionally, the data can be recorded and exported in both Excel and PDF formats
- Compatible with Ios and Android App: an intergraded app, that allows users to manage most tools, ranging from vacuum pump and digital manifold to vacuum gauge, pressure gauge, refrigerant charging scale on one app, convenient to use, saving your time and effort
- 1//4'' 5/16'' Universal Valve Core Removal Tool: our HVAC core removal tool set is compatible with R22 R12 R407 R410 R404 R32 air conditioning systems and is designed to maintain your air conditioning equipment; Please note that the product is not suitable for car air conditioners
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- Packing List: you will 1 x mini wireless digital vacuum gauge with power adapter rechargeable pressure tester meter HVAC 0-19000 micrometer, 1 x vacuum rated valve core removal installer tool 1/4'' 5/16", 1 x brass tee adapter, 1 x brass dual head adapter
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#8
8% Off
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- Compatible with 19110 quick coupler for easy attachment
- Ideal for performing pressure checks on recovery tanks
- Pressure readings in Fahrenheit
- Manufactured in China
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- Compatible with 19110 quick coupler for easy attachment
- Ideal for performing pressure checks on recovery tanks
- Pressure readings in Fahrenheit
- Manufactured in China
#9
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- Suitable for measuring pressure of refrigeration fluids such as R-134a, R-404A, R-22, and R-410A, with designated color zones for each type
- Features a 3-1/8" dial and a 1/8" NPT lower mount for easy installation
- Wide pressure range including -30 inHg to 250 psi, 250 to 500 psi, and 0 to 800 psi, with a silicone dampened mechanism for reduced vibration
- Durable design with a blue and red steel case, brass wetted parts, dry gauge, snap-on polycarbonate window, and an external adjustable hole for convenience
- Precision accuracy of +/-1.6%, with a micro-adjustable pointer for precise readings
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- Suitable for measuring pressure of refrigeration fluids such as R-134a, R-404A, R-22, and R-410A, with designated color zones for each type
- Features a 3-1/8" dial and a 1/8" NPT lower mount for easy installation
- Wide pressure range including -30 inHg to 250 psi, 250 to 500 psi, and 0 to 800 psi, with a silicone dampened mechanism for reduced vibration
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#10
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- Measures air pressure in single pipes and differential pressure between two pipes, suitable for HVAC systems, gas pressure troubleshooting, and laboratory testing.
- Constructed from durable ABS material, featuring a large 4.45 cm x 4.95 cm LCD with backlight for enhanced visibility and reduced eye strain during operation.
- High accuracy with a repeatability of ±0.2% and a measuring range of ±20.68 kPa (±2.999 psi), maintaining an accuracy of ±0.3% FSO at 25°C.
- Fast response time of 0.5 seconds, with indicators for over and under range conditions and an operating temperature range of -40°C to 80°C.
- Equipped with a storage function for data retention and a low battery indicator to ensure timely charging.
- Includes a 3-year warranty covering non-human factor damages, with prompt customer support available.
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- Measures air pressure in single pipes and differential pressure between two pipes, suitable for HVAC systems, gas pressure troubleshooting, and laboratory testing.
- Constructed from durable ABS material, featuring a large 4.45 cm x 4.95 cm LCD with backlight for enhanced visibility and reduced eye strain during operation.
- High accuracy with a repeatability of ±0.2% and a measuring range of ±20.68 kPa (±2.999 psi), maintaining an accuracy of ±0.3% FSO at 25°C.
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