The LP-25 electric calibration test pump is designed for electric pressure generation (without manual effort) for testing, adjusting and calibrating mechanical and electronic pressure measuring instruments by means of comparative measurement.

When the instrument under test and a sufficiently accurate reference instrument are connected to the LP-25 electric calibration test pump, both instruments are subjected to the same pressure when the pump is operated. By comparing the two measured values at any desired pressure point, the accuracy of the instrument under test can be checked or adjusted.

Thanks to the integrated electric pump, the LP-25 enables automatic and precise test pressure generation with the option to switch to vacuum generation. For precise adjustment during comparative testing, the LP-25 electric calibration test pump is equipped with a fine adjustment valve.

Both the instrument under test and the reference pressure measuring instrument (pressure calibrator) are mounted on top of the electric calibration test pump, using suitable thread adapters if required (see accessories).

No tools are required to connect the measuring instruments to the pump. Hand-tightening the instruments is sufficient.

Device Variants

• Article No.: G14-G12
  P1 connection for instrument under test: G 1/4″ female
  P2 connection for reference instrument: G 1/2″ female
• Article No.: G14-G14
  P1 connection for instrument under test: G 1/4″ female
  P2 connection for reference instrument: G 1/4″ female
• Article No.: G12-G14
  P1 connection for instrument under test: G 1/2″ female
  P2 connection for reference instrument: G 1/4″ female
• Article No.: G12-G12
  P1 connection for instrument under test: G 1/2″ female
  P2 connection for reference instrument: G 1/2″ female

The pressure connections are designed as free-running union nuts with integrated seals, allowing the instrument under test and the reference instrument to be mounted without tools. Hand-tightening is sufficient. A dirt filter screen is installed in both pressure connections to prevent contamination from entering the device.

Scope of Delivery

• LP-25 electric calibration test pump with 2 pressure connections (see device variants)
• Power supply unit 110…230 VAC
• Operating instructions DE+EN