Gas and water pipelines commissioning - Pressure measurement

The testo 312-3 pressure measuring instrument is your reliable partner when you want to test water or gas pipes. You can carry out load and tightness tests of gas pipes as well as pressure tests of water pipes using air with the testo 312-3 pressure measuring instrument.

• Load and tightness tests of gas pipes

• Pressure testing of water pipes using air

• Switchable measuring ranges with high resolution

• Alarm indicator for undershooting of freely adjustable limit values

Professional pressure/leak detector for installation, maintenance and service of gas and water pipes. Specially designed to carry out reliable leak tightness checks, load tests, serviceability tests, temperature measurements in accordance with existing rules and regulations.

• Easy to set up, easy to use due to legally compliant measuring menus (i.e. according to TRGI 2008)

• Extremely accurate and DVGW-compliant measuring results

• Leak tightness checks of gas pipes according to TRGI 2008 and liquid gas pipes according to TRF 2012

• Easy to use due to automatic pressure build-up; quick and easy data storage

testo 312-4 differential pressure gauge
testo 312-4 hose set
balloon pump with release screw
conical test plug 1/2
conical test plug 3/4
testo fast printer
pressure set for gas pressure measurements on heating systems
high-pressure plug 3/8 und 3/4
high-pressue plug 1/2 and 1
high-pressure probe 1up to 25 bar
system case

The testo 312-2 pressure measuring instrument is suitable for carrying out pressure measurements when setting and maintaining gas heating systems. The pressure measuring instrument enables you to test the flue gas draught, the differential pressure of the combustion chamber in comparison to the surroundings, or the gas flow pressure, with a high resolution.

• DVGW-tested

• Switchable measuring ranges with high resolution

• Alarm indicator for undershooting of freely adjustable limit values

• Print out of measurement data with the testo fast printer

testo 312-4 differential pressure gauge
testo 312-4 hose set
balloon pump with release screw
conical test plug 1/2
conical test plug 3/4
testo fast printer
pressure set for gas pressure measurements in heating systems
system case

Everything the professional needs for testing gas pipes: in addition to the testo 324 leakage measuring instrument, including system case with feeding unit and other accessories, you get an infrared printer for measurement data documentation on site, along with the testo 316-2 gas leak detector.

• All the important measurements in one instrument: tightness test, load test and serviceability test

• Printer for documentation on site

• Additional gas leak detector included in the scope of delivery

• Automatic determination of pipe volume in gas pipes

You can carry out all the necessary tests on gas heating systems as well as water and gas pipes with the testo 312-4 electronic differential pressure measuring instrument. Preset measuring processes, for example for load and tightness tests as well as serviceability testing on gas pipes, provide you with ideal support for your work.

• Tightness testing and load testing on gas pipes

• Serviceability testing with air by pressure drop on gas pipes

• Pressure testing on drinking water and waste water pipes using air

• Automatic recording of measuring values over several hours

Differential pressure measurement on gas hot water heaters or on filters of air conditioning systems, and also flow measurements in ventilation ducts using a Pitot tube: the compact testo 510 differential pressure measuring instrument, which comes with a silicone connection hose and other useful accessories, can help you maintain and install systems in the sanitary and HVAC sector.

• Differential pressure measurement from 0 to 100 hPa 

• Flow measurement possible with a Pitot tube (available as an option)  

• Magnets on the rear allow hands-free work 

• 10 units to choose from, display in pascals can be selected 

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…200 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 10 and 100 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…2 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 2 and 17,5 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0….20 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 5 and 55 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H₂O, mmHg, inch H₂O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

The testo 512 differential pressure measuring instrument is available in four different versions. This version is ideal for differential pressure measurement in the measuring range 0 to 2000 hPa.

• 7 pressure units to choose from: kPa, hPa, mm H2O, mmHg, psi, inch H2O, inch Hg

• Large measuring range up to 2000 hPa

• TopSafe protective case (optional) protects against impact, dirt and spray water

• Illuminated display, min./max. value display, hold function

The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

• Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes

The testo 521-3 high-precision differential pressure measuring instrument easily determines even the smallest differential pressures (up to +2.5 hPa). Its high accuracy and a resolution of 0.1 Pa make the instrument ideal for differential pressure measurements in clean rooms or for flue inspections.
 

• Integrated temperature-compensated differential pressure sensor with accuracy of up to ± 0.5 Pa

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Direct zeroing of the display values of pressure probes

• 2 probe inputs for additional pressure and temperature probes
   

The high-precision testo 521-2 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

• Integrated differential pressure sensor with an accuracy of 0.1 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes
   

The testo 526-2 high-precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of ± 0.05% of final value. Two additional pressure and temperature probes can also be attached.

• Temperature-compensated differential pressure sensor

• Multi-point and timed mean calculation

• Freely selectable measuring rate for recording measurement data

• 2 additional probe inputs for the attachment of optional pressure and temperature probes

Ideal for checking pressure in sensitive industrial processes: the testo 526-1 high-precision differential pressure measuring instrument with a measuring accuracy of ± 0.1% of final value. It also has two probe inputs for additional pressure and temperature probes.

• Temperature-compensated differential pressure sensor

• Multi-point and timed mean calculation

• Recording of measurement data with freely selectable measuring rate

• 2 probe inputs for pressure and temperature

Waterproof food probe made of stainless steel (IP65), TC Type K

Single-pipe counter cap, connects test fittings to pipe

Test pump to produce test pressure