testo 512 - Pressure and flow velocity measuring instrument 0 to 2000 hPa

Order-Nr.  0560 5129

  • 7 pressure units to choose from: psi, kPa, hPa, mmH2O, mmHg, inH2O, inHg

  • Large measuring range up to 2000 hPa

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

  • Backlit display / min and max values / hold function

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Product Description

The testo 512 differential pressure measuring instrument can be used to perform differential pressure measurements in a measuring range of 0 to 2000 hPa.

The damping for moving averages is adjustable. The actual value shown can be held on the display by pressing the HOLD button. The measured minimum and maximum value can be displayed and stored on the instrument.

You can display measuring values from your differential pressure measurements in any of 7 possible units: kPa, hPa, mmH2O, mmHg, psi, inH2O, and inHg. The values can be viewed easily on the large illuminated display of the differential pressure measuring instrument.

Accessories for the differential pressure measuring instrument: further practical advantages

With our optional accessories, you are investing in the durability of the instrument, and will benefit from practical use. The handy bag ensures safe storage and transportation of the differential pressure measuring instrument. The TopSafe protective case protects the instrument against impact, dirt, and spray water.

With the testo fast printer, you can print out measurement protocols directly on site. Data transfer is carried out easily via infrared.

Delivery Scope

testo 512 differential pressure measuring instrument (measuring range of 0 to 2000 hPa), including calibration protocol and batteries

Technical Data

Differential Pressure

Measuring range

0 to +800 InH₂O / 0 to +2000 hPa


0.5 % Fs


1 InH₂O / 1 hPa


±1600 InH₂O / ±4000 hPa

General technical data


8 x 2 x 2 in. / 202 x 57 x 42 mm

Operating temperature

32° to 140 °F / 0 to +60 °C

Measuring medium

All non-corrosive gases

Seceltable units

hPa, mbar, Pa, mmH₂O, inH₂O, inHg, mmHg, psi

Battery type

9V block battery, 6F22

Battery life

120 h

Display type


Display size

2 lines

Storage temperature

14° to 158 °F / -10 to +70 °C


11 oz. / 300 g



Additional accessories and Spare parts

Pitot tube, stainless steel, 3.3 ft

Order Number: 0635 2345


Order Number: 0516 1200

$ 101.00
excl. tax

Order Number: 0516 1201

$ 71.00
excl. tax

Transport Case

TopSafe, protection from impact and dirt

Order Number: 0516 0221

$ 54.00
excl. tax