Manometers & Pressure Meters

  1. Sauermann Kimo K-Si-PM3 Manometer
     Sauermann / KIMO logo
    2 In Stock
    Sauermann Kimo K-Si-PM3 Manometer
    (no reviews)
    £68.34 £56.95
    • Backlit LCD screen
    • Magnetic backing for easy fixing
    • Carrying bag
    56 Reward Points
    Price Match Guarantee
    K-Si-PM3
  2. Rothenberger 67069 Professional Air Lock Kit
    Rothenberger logo
    Only 1 In Stock
    Rothenberger 67069 Professional Air Lock Kit
    (no reviews)
    £75.24 £62.70
    • Simple to use
    • Remove airlocks from domestic water and heating pipework
    • Reinforced hose, rubber tap connectors, jubilee clips, male union adapter, and a brass double check valve
    62 Reward Points
    Price Match Guarantee
    RB-67069
  3. TPI SP620 Smart Probe Differential Pressure Meter with A620SP Pouch
    TPI logo
    3 In Stock
    TPI SP620 Smart Probe Differential Pressure Meter with A620SP Pouch
    (no reviews)
    £84.00 £70.00
    • 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
    70 Reward Points
    Price Match Guarantee
    TPI-SP620
  4. TPI 608 Single Input Digital Manometer
    TPI logo
    Only 1 In Stock
    TPI 608 Single Input Digital Manometer
    (1)
    £93.00 £77.50
    • Measure pressure from one channel
    • 4 digit backlit LCD screen
    • Integrated magnets and hanging hook
    77 Reward Points
    Price Match Guarantee
    TPI-608
  5. Anton AOCK Oil Commissioning Kit
    Anton logo
    In Stock
    Anton AOCK Oil Commissioning Kit
    (1)
    £112.80 £94.00
    94 Reward Points
    Price Match Guarantee
    AOCK
  6. Testo 510i Bluetooth Differential Pressure Meter Smart Probe
    Testo logo
    2 In Stock
    Testo 510i Bluetooth Differential Pressure Meter Smart Probe
    (1)
    £114.00 £95.00
    • 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
    95 Reward Points
    Price Match Guarantee
    05601510
  7. Anton APM 135 Differential Manometer
    Anton logo
    3 In Stock
    Anton APM 135 Differential Manometer
    (no reviews)
    £129.60 £108.00
    • Suitable for all domestic pressure tests
    • Range: -39.99 to +130.0 mbar
    • Min / Max recording function for monitoring pressure drops
    108 Reward Points
    Price Match Guarantee
    APM135
  8. Testo 510 Differential Pressure Meter Kit w/ Hoses
    Testo logo
    In Stock
    Testo 510 Differential Pressure Meter Kit w/ Hoses
    (no reviews)
    £134.99 £112.49
    • Kit version of the Testo 510 with hoses
    • Pressure range from 0 to 100mbar
    • 10 pressure measurement units
    112 Reward Points
    Price Match Guarantee
    05630510
  9. Rothenberger 61130 RP30 Hydrostatic Pressure Testing Pump, 30bar (420psi), 4.5L, R1/2
    Rothenberger logo
    2 In Stock
    Rothenberger 61130 RP30 Hydrostatic Pressure Testing Pump, 30bar (420psi), 4.5L, R1/2" BSPT
    (no reviews)
    £137.99 £114.99
    • Compact design
    • Corrosion- and impact-resistant ABS plastic tank with a reinforced bottom
    • Test hose with a steel mesh prevents measurement errors caused by the hose expanding
    114 Reward Points
    Price Match Guarantee
    RB-61130
  10. Martindale PM85 Differential Manometer
    Martindale logo
    Only 1 In Stock
    Martindale PM85 Differential Manometer
    (no reviews)
    £138.00 £115.00
    • 8 different pressure measurements units
    • Wide measurement range
    • MAX/MIN/AVG functions
    115 Reward Points
    Price Match Guarantee
    MARPM85
  11. TPI SP620725L-Kit Smart Tightness Test Kit
    TPI logo
    Only 1 In Stock
    TPI SP620725L-Kit Smart Tightness Test Kit
    (no reviews)
    £148.80 £124.00
    • Includes TPI’s SP620 Smart Probe Differential Pressure Meter, 725L Combustible Gas Leak Detector and A900 Carry Case
    • Use the TPI SP620 to measure differential pressures between -150 mbar to +150 mbar / -60 inH2O and +60 inH2O
    • Use the TPI 725L to pinpoint the source of combustible gas leaks  
    124 Reward Points
    Price Match Guarantee
    TPI-SP620725L-KIT
  12. Kane 3200 Differential Pressure Meter
    Kane logo
    Only 1 In Stock
    Kane 3200 Differential Pressure Meter
    (3)
    £154.80 £129.00
    • Measures pressure with high accuracy
    • Choose between eight different measurement units
    • Simple two button operation
    129 Reward Points
    Price Match Guarantee
    KANE3200
  13. TPI 621 Dual Input Digital Manometer
    TPI logo
    2 In Stock
    TPI 621 Dual Input Digital Manometer
    (1)
    £158.40 £132.00
    • Seven pressure measurement units
    • Smoothing function
    • Dual input
    132 Reward Points
    Price Match Guarantee
    TPI-621
  14. Testo 511 Pocket Absolute Pressure Meter
    Testo logo
    Only 1 In Stock
    Testo 511 Pocket Absolute Pressure Meter
    (no reviews)
    £164.22 £136.85
    • Measurement range of 300 to 1200mbar
    • 8 different measurement units
    • Barometric altitude measurements
    136 Reward Points
    Price Match Guarantee
    5600511
  15. Extech HD750 Differential Pressure Manometer (5psi)
    Extech logo
    2 In Stock
    Extech HD750 Differential Pressure Manometer (5psi)
    (no reviews)
    £166.80 £139.00
    • Low range and high resolution
    • 11 selectable units
    • Computer software included
    139 Reward Points
    Price Match Guarantee
    HD750
  16. Extech HD755 Differential Pressure Manometer (0.5psi)
    Extech logo
    Only 1 In Stock
    Extech HD755 Differential Pressure Manometer (0.5psi)
    (no reviews)
    £166.80 £139.00
    • Low range and high resolution
    • Useful functions included
    • 11 units of measurements to choose from
    139 Reward Points
    Price Match Guarantee
    HD755
  17. Anton APM 145 Differential Manometer with Infrared & Wi-Fi
    Anton logo
    4 In Stock
    Anton APM 145 Differential Manometer with Infrared & Wi-Fi
    (no reviews)
    £193.14 £160.95
    • Suitable for all domestic pressure tests
    • Able to print data using a compatible Anton IR printer
    • Wirelessly transfer data to the Anton Sprint iOS/ Android App to create reports
    160 Reward Points
    Price Match Guarantee
    APM145
  18. Anton APM 155 Differential Manometer with Infrared & Bluetooth
    Anton logo
    Only 1 In Stock
    Anton APM 155 Differential Manometer with Infrared & Bluetooth
    (no reviews)
    £226.80 £189.00
    • Designed for medium pressure testing and strength testing up to 2 bar
    • Use the IR interface to print results via a compatible Anton IR printer
    • Transfer data wirelessly to the Anton Sprint App to create customised, professional reports
    189 Reward Points
    Price Match Guarantee
    APM155
  19. Kane Differential 3500-2 Differential Pressure Meter (160mbar)
    Kane logo
    Only 1 In Stock
    Kane Differential 3500-2 Differential Pressure Meter (160mbar)
    (no reviews)
    £250.80 £209.00
    • Measure differential pressure to 160mbar (5 psi)
    • Selectable measurements units: mbar, mmH20, Pa, kPa, PSI, mmHg, hPa and inH20
    • Built-in datalogging capabilities
    209 Reward Points
    Price Match Guarantee
    KANE3500-2
  20. Kane 3500-30 Differential Pressure Meter (±30psi / 2070mBar)
    Kane logo
    Only 1 In Stock
    Kane 3500-30 Differential Pressure Meter (±30psi / 2070mBar)
    (no reviews)
    £274.80 £229.00
    • Takes high speed accurate pressure measurements
    • Switch between high and low resolutions
    • Can monitor maximum, minimum and average pressures
    229 Reward Points
    Price Match Guarantee
    KANE3500-30
  21. KIMO MP120 Manometer with Air Velocity Measurements
     Sauermann / KIMO logo
    2 In Stock
    KIMO MP120 Manometer with Air Velocity Measurements
    (no reviews)
    £287.50 £239.58
    • Portable pressure meter with dual ports
    • Also measures air velocity
    • Pressure measurement range from -1000 to +1000Pa
    239 Reward Points
    Price Match Guarantee
    K-MP120
  22. Digitron APM 130 Differential Manometer
    Digitron logo
    4 In Stock
    Free UK Delivery
    Digitron APM 130 Differential Manometer
    (no reviews)
    £306.00 £255.00
    • Measurement range: - 40 mBar to +130 mBar
    • Domestic tightness testing (IGE/Up/1b)
    • 0.01 resolution up to 19.99 mBar then over to 0.1 resolution
    255 Reward Points
    Price Match Guarantee
    APM130
  23. Digitron APM 140 Differential Manometer
    Digitron logo
    3 In Stock
    Free UK Delivery
    Digitron APM 140 Differential Manometer
    (2)
    £318.00 £265.00
    265 Reward Points
    Price Match Guarantee
    APM140
  24. Digitron APM 150 Differential Manometer
    Digitron logo
    2 In Stock
    Free UK Delivery
    Digitron APM 150 Differential Manometer
    (2)
    £330.00 £275.00
    • Test pressure from 0 to 1999mBar
    • Selectable pressure unit
    • Perform strength testing
    275 Reward Points
    Price Match Guarantee
    APM150

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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 the pressure of gas and air condition systems at close to atmospheric 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 are 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 than 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 specialise in testing between different pressure ranges insuring the most accurate results possible.

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