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Precise pressure measurement with probes

A Testo product story
Edited by the Processingtalk editorial team Aug 11, 2004

Testo has recently launched 2 new highly precise pressure measurement instruments that can be used for differential, relative and absolute pressure measurement, with a recording facility

Testo has recently launched 2 new highly precise pressure measurement instruments that can be used for differential, relative and absolute pressure measurement, the testo 521 with a measuring range of 0 to 100hPa, or the testo 526 with a measuring range of 0 to 2000hPa.

Both instruments offer accuracy of up to 0.05% of the limit value making them ideal for measurement of critical processes, which require precise measurement.

Both instruments are also equipped with 2 probe inlets to connect further probes for measuring temperature and pressure, making the instruments suitable for a wide range of applications.

Both instruments are available in 2 accuracy classes: testo 521 with 0.2%/0.1% of limit value, testo 526 with 0.1%/0.05% of limit value, can be fitted with a range of additional probes, and have a 0/4 to 20 mA interface for transmitter including supply via hand held unit.

Up to 25,000 measured values can be recorded in the instrument.

Users can also select the measuring rate (0.04 seconds to 24 hours) and the number of values to be measured.

25 measurements/second can be taken, using a choice of 9 selectable pressure units.

Stored data can be evaluated using software or can be printed out on the Testo infrared printer.

The instruments are supplied with a TopSafe case for impact protection.

Testo is a world leader in the development and manufacture of high quality measurement instruments, data loggers and sensors.

Testo has over 47 years of experience of developing solutions for a wide range of complex measurement requirements.

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