An essential tool to obtain accurate pressure readings and diagnose issues in HVAC heating, ventilation, and air conditioning systems. 【Backlit LCD】 Large backlit LCD screen to display gas pressure value clearly even in low-light conditions.
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Digital Pressure Manometer -0.1-60Mpa Digital Pressure Gauge 80mm M20*1.5 0.2% SS304 IP65 Pressure Manometer
Aliexpress UK
✅ Versatile & Precise: ➠ Measures differential, positive, and negative pressure with ±0.3% FS accuracy—ideal for HVAC diagnostics, lab research, and industrial maintenance. ➠ 12 Units Conversion at a button press (e.g., switch between psi, bar, kPa instantly). ✅ User-Friendly Design: ➠ Backlit LCD with clear symbols (HOLD, BAT, REC.) for easy reading in dark environments. ➠ One-Touch Data Hold & Recording—capture peak values or track trends effortlessly. ✅ Durable & Portable: ➠ Compact size fits in toolkits; rugged construction withstands on-site use. ➠ Auto-Shutdown saves battery life during long projects. ✅ Troubleshooting Ready: ➠ ERR Alerts warn of overpressure (ERR1) or underpressure (ERR2), preventing system damage.
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HTI HT-1890 Gas Pressure Gauge Manometer Handheld Digital Manometer Data Hold Dual Port Air Pressure Gauge HVAC Gas Teste Meter
Aliexpress UK
▶️Wide Applications Range: Suitbale for vacuum degree negative pressure testing of the intake manifold, brake booster pressure testing, negetive pressure testing of the crankcase, exhaust valve negative pressure testing, etc.
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Digital Manometer,2-Port Manometer Gas Pressure Tester LCD Display With Backlight for any gas pressure system trouble HP-189A
Aliexpress UK
High-precision measurement with ±0.3% FS accuracy for reliable results in HVAC and pressure system diagnostics. Supports 11 pressure units (e.g., inH₂O, psi, bar, kPa, mmHg) with easy switching for global compatibility. Data hold, max/min/avg recording, and differential measurement functions enhance on-site usability. Compact, portable design with auto shut-off (25 min) and battery indicator for efficient field use. Built-in over-range protection (ERR1/ERR2) and rugged construction ensure durability and safety.
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HTI HT-1890 Gas Pressure Gauge Manometer Handheld Digital Manometer Data Hold Dual Port Air Pressure Gauge HVAC Gas Teste Meter
Aliexpress UK
100~ 200Kpa. Press the REC button to access the MIN/MAX recording mode. •Resolution. Unit Range Resolution. Support data zeroing,data locking,data storage,review of 29 data sets. Resolution: 1pa, 0.1hpa, 0.01Kpa.
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Manometer Gas Pressure Tester ±30Psi/206.8Kpa, Digital HVAC Gas Manometer with Backlight, 11 Selectable Units, Data Record
Aliexpress UK
Data Locking and Storage. It can also record and save up to 29 sets of data. This provides valuable data for subsequent differential pressure analysis and troubleshooting. The design is all-in-one, making it small, lightweight, and easy to use.
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UNI-T Digital Manometer UT366A Air Pressure Gauge Handheld Pressure Differential Detector Pressure Measuring Device
Aliexpress UK
Accuracy: ±0.3%FSO (at 25°C). press this button to switch pressure unit. Power on status press this button to hold reading display and another operation. press this button over 2 seconds to make reading zero.
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Moray ME267P 200psi with Rubber case LCD Pressure Transmitters Digital Tire Pressure Gauge Digital Manometer
Aliexpress UK
✅【High Accuracy】Test air pressure ±13.79 kPa / ±2.000Psi with ±0.3%FS high accuracy. ±0.25%FS repeatability. 11 gas measurement units optional, including mmHg, inHg, ftH₂O, cmH₂O, KPa, Mbar, Bar, Psi, Kgcm², inH₂O, and Ozin². Over-range indication available. ✅【Dual Port Design】Equipped with two tube connector(3.18mm diameter), digital manometer 189A is capable to measure static pressure(positive/negative) and differential gas pressure levels accurately. An essential tool to obtain accurate pressure readings and diagnose issues in HVAC heating, ventilation, and air conditioning systems. ✅【Data Record & Zero-out】Press"REC" button to record and review max / min / average air pressure data; Short-press "HOLD” button to freeze measurement data and Long-press 5 seconds to clear out remaining dat.
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Digital Pressure Gauge 400bar 600bar Air Liquid Fuel Oil Water Digital Pressure Manometer Pressure Gauge
Aliexpress UK