10 Best

Differential Gauges

of June 2024

  1. Product Highlights
    • High precision: equipped with imported pressure sensors, high precision adc & probe and low power consumption mcu. compared to traditional low precision pointer differential pressure meters, the measurement data of the air pressure meter is accurate and stable. measuring range: ±20.68 kpa/±2.999 psi, accuracy: ±0.3%fso(25℃/77f) measurement rate: 0.5s. the barb metal con...
    • Main functions: 13 pressure units (psi. kg/cm2. 0z/in2. bar. mbar. pa. inhg. mmhg. unhg. inh2o. fth2o. cmh2o. kpa.) high resolution, large screen display and indoor temperature measurement. large backlight lcd allows for easy viewing in low light conditions and displays values when toggled between min, max. automatic shut down time: 15 minutes. power supply: 9v battery(...
    • Professional dual port digital pressure manometer : single channel can quickly measure the current detection pressure value (relative to the current atmospheric pressure), record maximum and minimum values during the measurement cycle. the dual channel can simultaneously detect the pressure difference between the positive pressure and negative pressure of the two detect...
    • Data hold function & 100 groups data storage: short press the hold button to lock and hold the current data value. long press the hold button for more than 2 seconds to clear the drift data (please press and hold this button if the data is not reset before measurement). short press the ℃/℉ button to store the current measured pressure value ( up 1o 100 groups). long pre...
    • Wide application & after services: the gas pressure tester can be extensively used in natural gas pipelines, air conditioning and refrigeration ventilation systems, gas, liquid and production industrial equipment pressure detection, liquid level detection etc. beley direct provides 1 years warranty and 7*24h email service, which ensure your worry-free purchase.
  2. Product Highlights
    • ✅high accuracy: handheld gas differential pressure gauge 189a supports zero-out function to clear the remaining value to ensure accuracy, data hold function to freeze the measurement data on the screen for easy reading & recording, over-range indicator to preventing measurement errors and ensuring safety.
    • ✅data logging: press"rec" button to record and review max / min / average air pressure data. large backlit lcd screen to display gas pressure value clearly even in low-light conditions. automatic power-off after 25 mins no-operation to save battery life. protective cap to protect air pressure manometer's two tube connector(3.18mm diameter) from damaged.
    • ✅air pressure meter: equipped with dual ports input, kethvoz digital pressure gauge 189a can measure static and differential pressure from two ports in air and gas systems. ±13.79 kpa / ±2.000psi air pressure measure range, ±0.3%fs high accuracy. ±0.25%fs repeatability.
    • ✅11 selectable gas units:supports 11 different gas measurement units switchable, including mmhg, inhg, fth₂o, cmh₂o, kpa, mbar, bar, psi, kgcm², inh₂o, and ozin². a convenient and practical gas manometer to monitor air pressure for hvac system, gas valve and furnace, tankless water heater, household boilers and residential hrv.
    • ✅accessories & warranty:lp gas pressure tester 189a comes with 4pcs flexible tube, 1pcs 1/8 thread adapter and portable bag. 365 days quality warranty and lifetime technical support. we are always here to provide you quality meter and professional sales service.
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  3. Product Highlights
    • 【single and double connectors】- there are two ports on the top of the differential pressure meter, one for testing positive pressure and the other for testing negative pressure. using a single tube connector, you can quickly measure the current pressure value (compared to the current air pressure), while a double tube connector can detect the pressure difference between...
    • 【humanized design】- (1) with data record and retention function(data storage: 100 groups), convenient for users to check after testing; (2) it will turn off automatically after about 15 minutes without operation; (3) low battery reminder; (4) data reset function, so your readings are accurate. (5) 3 year warranty
    • 【high precision pressure meter】- this is a simple and fast digital pressure gauge. it adopts imported pressure sensor, high precision adc and low power mcu design. measurement accuracy: ± 0.3% fso (at 25); measurement range: ± 2.999 psi also be used for indoor temperature measurement.【note】: before use, all previous data needs to be cleared before testing to ensure the ...
    • 【lcd screen & 12 units measurement】- large high resolution display makes data clear at a glance and supports lcd backlight. 12 different measurement units to choose from: mmhg, inhg, fth₂o, inh₂o, pa, kpa, mbar, psi, kgcm² and ozin².
    • 【wide application】- widely used in natural gas pipes, air conditioning systems, refrigeration and ventilation systems, mechanical hydraulics, plastic moulding, ceramic product manufacturing, biopharmaceutical molding, mining pressure testing, petrochemical industry molding, pressure testing of industrial gases, liquids and production equipment, etc.
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