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Introduction Testo 512 – Differential Pressure Meter For 0…20 HPA
The testo 512 with a measuring range from 0…20 hPa can be used to help you carry out quick and easy filter checks when performing differential pressure checks on ventilation and air conditioning systems. Differential pressure measurements are carried out to determine whether filters still work properly or whether they are used up and clogged and need to be replaced.
The differential pressure meter is ideal for carrying out pitot static tube measurements in air ducts at very high air flow speeds or when the air stream is strongly polluted. The compact, rugged meter shows both the pressure as well as the air flow speed and has a measuring range from 5 to 55 m/s.
The damper for adjustable averaging can be programmed individually while the density compensation is already integrated.
The pitot static tube that you will need to carry out your air flow measurements can be ordered together with your differential pressure meter. Choose from one of three models to select the model that is best suited to your individual requirements. The pitot static tube is inserted into the air duct where it measures the air flow quickly and reliably.
The testo 512 displays the pressure and the air flow speed simultaneously. You can choose between two different units of measurement – m/s and fpm – to indicate the air flow speed and from eight different units – psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O and inch Hg – to measure the pressure.
Features
- 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
Specifications
| Differential Pressure – Piezoresistive | |
|---|---|
| Measuring range | 0 to +20 hPa
+5 to +55 m/s 985 to 10830 fpm |
| Accuracy | 0.5 % fs |
| Resolution | 0.01 hPa
0.1 m/s 0.1 fpm |
| Overload | ±200 hPa |
| General technical data | |
|---|---|
| Dimensions | 202 x 57 x 42 mm |
| Operating temperature | 0 to +60 °C |
| Measuring medium | All non-corrosive gases |
| Seceltable units | hPa, Pa, mmH₂O, inH₂O, inHg, mmHg, kPa, psi, m/s, fpm |
| Battery type | 9V block battery, 6F22 |
| Battery life | 120 h |
| Display type | LCD |
| Display size | 2 lines |
| Storage temperature | -10 to +70 °C |
| Weight | 300 g |
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