Manometers & Pressure Meters
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Rothenberger Standard U-Gauge Manometer: 12" (30mb) or 24" (60mb)£12.83 £10.69- Scratch-resistant facing
- Velcro strip for hanging the manometer at eye level for easy reading
- Magnetic strip for attaching the U-gauge manometer to boiler cabinet casings
10 Reward PointsPrice Match GuaranteeRB-67060/4 -
Monument Gas Test Gauge - 30mb (300mm / 12"), 60mb (600mm / 24") or 90mb (900mm / 36")£27.78 £23.15- Nitrile hose for LPG
- Suitable for testing pipework installations and setting gas pressures
- Available in 30mb (300mm / 12"), 60mb (600mm / 24") & 90mb (900mm / 36")
23 Reward PointsPrice Match Guarantee257C/258F/259I -
Monument Tools 2579T Gas Test Gauge, 30mb (300mm / 12"), Feet, Magnet & Hose£40.40 £33.67- Magnetic Strip
- 0.6m Standard Black Hose
- Scale adjusts for zeroing water level
33 Reward PointsPrice Match GuaranteeMT-2579T -
Digitron EM100 Manoflex Water Manometer Gauge – Choice of Range£41.11 £34.26- Available in a variety of models with different ranges and scales
- Constructed from unbreakable, heavy-duty polythene
- Can be rolled up for ease of carrying
34 Reward PointsPrice Match GuaranteeEM100 -
Sauermann Kimo K-Si-PM3 Manometer£68.34 £56.95- Backlit LCD screen
- Magnetic backing for easy fixing
- Carrying bag
56 Reward PointsPrice Match GuaranteeK-Si-PM3 -
Rothenberger 67069 Professional Air Lock Kit£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 PointsPrice Match GuaranteeRB-67069 -
TPI SP620 Smart Probe Differential Pressure Meter with A620SP Pouch£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 PointsPrice Match GuaranteeTPI-SP620 -
TPI 608 Single Input Digital Manometer£93.00 £77.50- Measure pressure from one channel
- 4 digit backlit LCD screen
- Integrated magnets and hanging hook
77 Reward PointsPrice Match GuaranteeTPI-608 -
TPI SP670 Smart Wireless High Pressure Refrigerant Probe c/w A670SP Pouch - Optional Pair of SP670s
£110.39 £91.99- Adjustable Schrader valve depressor
- Includes A670SP Pouch
- Measure pressure on refrigeration systems
- Single or pair of SP670s
91 Reward PointsPrice Match GuaranteeTPI-SP670-2 -
Testo 510i Bluetooth Differential Pressure Meter Smart Probe£114.24 £95.20- 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 PointsPrice Match Guarantee05601510 -
TPI 608BT Single Input Digital Manometer in mBar with Bluetooth Communication£118.80 £99.00- +/- 150 mBar range & 0.01 mBar resolution
- Backlight display
- Four units of measure
99 Reward PointsPrice Match GuaranteeTPI-608BT -
Anton APM 135 Differential Manometer£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 PointsPrice Match GuaranteeAPM135 -
Martindale PM85 Differential Manometer£131.40 £109.50- 8 different pressure measurements units
- Wide measurement range
- MAX/MIN/AVG functions
109 Reward PointsPrice Match GuaranteeMARPM85 -
Extech HD700 Differential Pressure Manometer (2psi)£147.60 £123.00- High resolution of 0.001 psi
- Low range of up to 2 psi
- Computer software included
123 Reward PointsPrice Match GuaranteeHD700 -
Testo 510 Differential Pressure Meter Kit w/ Hoses£147.90 £123.25- Kit version of the Testo 510 with hoses
- Pressure range from 0 to 100mbar
- 10 pressure measurement units
123 Reward PointsPrice Match Guarantee05630510 -
TPI SP620725L-Kit Smart Tightness Test Kit£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 PointsPrice Match GuaranteeTPI-SP620725L-KIT -
TPI 621 Dual Input Digital Manometer£158.40 £132.00- Seven pressure measurement units
- Smoothing function
- Dual input
132 Reward PointsPrice Match GuaranteeTPI-621 -
Rothenberger 67068 Professional Wet & Dry Test Kit, 15 & 22mm Tubes£162.00 £135.00- Wet and dry pressure testing
- Test 15mm and 22mm tubes
- Test ½” and ¾” BSP threads on copper and plastic tubing
135 Reward PointsPrice Match GuaranteeRB-67068 -
Testo 511 Pocket Absolute Pressure Meter£164.22 £136.85- Measurement range of 300 to 1200mbar
- 8 different measurement units
- Barometric altitude measurements
136 Reward PointsPrice Match Guarantee5600511 -
Extech HD750 Differential Pressure Manometer (5psi)£166.80 £139.00- Low range and high resolution
- 11 selectable units
- Computer software included
139 Reward PointsPrice Match GuaranteeHD750 -
Extech HD755 Differential Pressure Manometer (0.5psi)£166.80 £139.00- Low range and high resolution
- Useful functions included
- 11 units of measurements to choose from
139 Reward PointsPrice Match GuaranteeHD755 -
Kane 3200 Differential Pressure MeterDiscontinued- Measures pressure with high accuracy
- Choose between eight different measurement units
- Simple two button operation
KANE3200 -
Anton APM 145 Differential Manometer with Infrared & Wi-Fi£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 PointsPrice Match GuaranteeAPM145
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.
