Manometers & Pressure Meters (82 Products)

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  1. Testo 549i Bluetooth Refrigeration Pressure Smart Probe - Kit All Testo Products
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    Testo 549i Bluetooth Refrigeration Pressure Smart Probe/ Data Logger
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    • Measure high pressure in refrigeration systems with no wires or hoses
    • Bluetooth connectivity - wirelessly log data to your smartphone or tablet
    • Wide pressure range of -14 to 870psi
    84 Reward Points
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    SKU: 05601549
  2. Testo 510i Bluetooth Differential Pressure Meter Smart Probe - Kit All Testo Products
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    Testo 510i Bluetooth Differential Pressure Meter Smart Probe
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    • Wirelessly interfaces with your smartphone or tablet in order to log data
    • Measure gas flow and static pressure, plus volume flow
    • Magnetic mount for hands-free use
    118 Reward Points
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    SKU: 05601510
  3. ETI 9202 Manometer All ETI Products
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    ETI 9202 Manometer
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    £72.00 £60.00
    • Optimised for measuring positive and negative differential pressure in low-pressure environments
    • Range: -137 to + 137mbar, with a resolution of 0.1mbar
    • Eleven user-selectable measurement units
    120 Reward Points
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    SKU: 825-902
  4. ETI 9205 Pressure Meter All ETI Products
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    ETI 9205 Pressure Meter
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    £72.00 £60.00
    • Measures positive and negative differential pressure over a range of ±5 psi
    • Includes eleven user-selectable measurement units
    • Durable, ABS, IP65 casing with integrated rubber seal
    120 Reward Points
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    SKU: 825-905
  5. TPI 608 Single Input Digital Manometer All TPI Products
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    TPI 608 Single Input Digital Manometer
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    • Measure pressure from one channel
    • 4 digit backlit LCD screen
    • Integrated magnets and hanging hook
    144 Reward Points
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    SKU: TPI-608
  6. Anton AOCK Oil Commissioning Kit Laid out All Anton Products
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    Anton AOCK Oil Commissioning Kit
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    148 Reward Points
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    SKU: AOCK
  7. TPI SP620 Smart Probe Differential Pressure Meter with A620SP Pouch All TPI Products
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    TPI SP620 Smart Probe Differential Pressure Meter with A620SP Pouch
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    £90.00 £75.00
    • Use with TPI’s SmartProbe App to measure differential pressure
    • Measure pressure between -150mbar and +150 mbar / -60inH2O and +60 inH2O
    • Features a temperature compensation function, and a Trim mode for stabilising fluctuating readings
    150 Reward Points
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    SKU: TPI-SP620
  8. ETI 9275 Pressure Meter - ± 75psi All ETI Products
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    ETI 9275 Pressure Meter - ± 75psi
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    £102.00 £85.00
    • Rugged, accurate, reliable and adaptable pressure meter
    • Measures positive and negative differential pressure over a range of ± 75psi
    • Eleven user-selectable measurement units
    170 Reward Points
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    SKU: 825-975
  9. ETI 9230 Pressure Meter - Kit All ETI Products
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    ETI 9230 Pressure Meter - ± 30psi
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    £102.00 £85.00
    • Measure positive and negative differential pressure over a range of ± 30psi
    • Adaptable: user-selectable backlight and eleven user-selectable measurement units
    • Rugged, water-resistant, IP65, ABS casing with a rubber seal
    170 Reward Points
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    SKU: 825-930
  10. ETI 9215 Pressure Meter - ±15 psi All ETI Products
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    ETI 9215 Pressure Meter - ± 15psi
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    £102.00 £85.00
    • Measure positive and negative differential air pressure over a range of ±15 psi
    • Eleven user-selectable measurement units
    • Durable, IP65, ABS casing with rubber seal
    170 Reward Points
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    SKU: 825-915
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About Manometers & Pressure Meters

At Tester we stock a wide range of differential manometers and U gauges for measuring the difference in pressure between two atmospheric sources. The most typical use for this is to measure pressure of gas and air condition systems at close to atmosphere pressures. A correctly calibrated tester can also be used to troubleshoot a whole range of different problems from gas leaks to inconsistent pressures.

Manometers work on typically having a U shaped tube filled with either mercury or water. The reason that mercury is often used over the more readily available and non-toxic water is that the increased density of mercury allows for a much smaller column to be required and therefore a much smaller tester can be produced.

To operate a manometer both sides of the column is attached to a pressure producing source, such as a gas outlet. In response to the difference in pressure the liquid will travel up the column a distance that can be measured to calculate the exact difference in pressure.

Simple U shaped manometers are often no more complicated then this, with an engineer having to calculate the exact differential pressure between the sources. Most electrical manometers do most of the hard work for you by providing highly accurate readings of the exact difference as well as offering additional features any HVAC engineer may need.

Before commencing work it is very important to make sure that your manometer is suitable for the task at hand. There is a very wide range of different manometers that are specialise at testing between different pressure ranges insuring the most accurate results possible.

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