Testo 312-4 Differential Pressure Meter (Basic Set)

Includes: 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.

Reference 0563 1327

Brand Testo

With the electronic differential pressure gauge testo 312-4, fine pressure measurements can be carried out quickly and reliably when checking the resting pressure and flow pressure of gas, and when setting the correct jet pressure on gas burners and boilers.

Tests on newly installed gas pipes (load and gas-tightness tests), or on pipes already in use (serviceability tests) can also be carried out quickly and in accordance with the law. Time and money can be saved in customer service when checking the gas pressure regulator, thanks to the automatic measurement value recording over several hours by testo 312-4 (max. 25,000 measurement values).

The simultaneous recording of pressure and temperature allows the detection of unusual pressure fluctuations which are graphically analysed by the *Easyheat PC software, and can thus be easily explained to the customer.

Load tests and leak-proofness tests on drinking water and waste water pipes can be carried out without complications using the handy high-pressure probe. The external probe provides protection for the instrument from water and high pressures.

FEATURES

Gas-tightness and serviceability test by pressure drop on gas pipes according to DVGW-TRGI 2008.
Load test on gas pipes according to DVGW-TRGI 2008 with the help of the high pressure probe.
Checking the regulator by recording the measurement values over a defined period.
Checking the gas connection pressure and gas flow pressure.
Setting the jet pressure on gas burners and boilers.
Pressure tests on drinking water pipes with water and air.
Pressure test on waste water pipes according to DIN EN 1610 using the high pressure probe.

*The testo easyheat configuration and analysis software adds many useful functions to the testo 300, testo 312-4, testo 314, testo 320, testo 324, testo 330 und testo 380 measuring instruments:

Instrument configuration via software.
Manages customer, system and measurement data.
Data import from and data export to the measuring instrument.
Sets up, saves and prints measurement protocols from imported data.

Testo 312-4 Differential Pressure Meter

Temperature - TC Type K (NiCr-Ni)
Measuring range	dependent on probe type used.
Accuracy	±0.4 °C (-100 to +200 °C) * ±1 °C (Remaining Range) *
*Accuracy information applies only to instrument without probes connected
Differential pressure (internal sensor)
Measuring range	0 to +200 hPa.
Accuracy	±0.03 hPa (0 to +3 hPa) ±1.5 % of mv (+3.1 to +40 hPa) ±2 hPa or ±1 % of fsv (41 to +200 hPa).
Resolution	0.01 hPa.
Pressure measurement (external probe)
Measuring range	0 to +25 bar.
Accuracy	±0.6 % of fsv (0 to +25 bar) ±0.6 % of fsv (>+10 to +25 bar).
Resolution	10 hPa.
General technical data
Dimensions	219 x 68 x 50 mm.
Interface printer	Infrared interface.
Data transfer	RS232.
PC software	Easyheat.
Memory	25,000 measuring values.
Weight	600 g.

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Testo 312-4 Datasheet

PDF Specifications of the Testo 312-4 Differential Pressure Meter.

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COMPONENT	DESCRIPTION	PART No.
Pressure Set	Pressure set for gas pressure measurement on heating systems.	0554 0449
Hose Set	testo 312-4 hose set.	0554 3172
Software	Easyheat PC analysis software, shows measurement in form of diagrams, tables and manages customer data.	0554 3332
Pump	Balloon pump with release valve.	0554 3173
Probe	High-pressure probe up to 25 bar.	0638 1748