testo 526-1 Pressure Meter Industrial

$1,398.10 inc. GST

Key Features:  

Temperature-compensated differential pressure sensor

Multi-point and timed mean calculation

Built in test menu's to check pressure drops

2 probe sockets to connect additional probes for measuring pressure, temperature, current/voltage


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The testo 526-1 is a differential pressure meter for industrial applications. Critical processes can be measured and monitored efficiently with an accuracy of up to 0.05% of the full-scale value.

Ideal for checking pressure in sensitive industrial processes: the testo 526-1 high-precision differential pressure measuring instrument with a measuring accuracy of ± 0.1% of final value. It also has two probe inputs for additional pressure and temperature probes. 

Additional probe inputs for versatile measurements with the differential pressure measuring instrument

Up to two probes (optional) can also be attached via freely assignable probe inputs. You have the choice of a comprehensive range of probes for this:

• Differential pressure probes

• Absolute pressure probes

• Relative pressure probes

• Temperature probes, such as surface, immersion and penetration probes


Further advantages of the testo 526-1 high-precision differential pressure measuring instrument

The integrated test menu in the testo 526 enables seamless recording, especially for tightness testing on containers. To document the pressure test, there is an option enabling the measurement data to be processed and archived using software and/or printed out via the testo fast printer directly on site (software and printer available to order separately).

The memory can record up to 25,000 readings. These are stored under their individually designated measuring locations (max. 99 measuring locations) which means they can be quickly found again. Measurement data can be saved individually or as a series of measurements. The measuring rate (0.04 seconds, 1 second to 24 hours) and the number of values to be stored can be freely selected.

Whats Included: testo 526-1 including quick-release connections, calibration protocol and batteries.


Technical Data

Storage Temperature -20 to + 50°C
Operating temperature -50 to + 45 °C
Battery Type  AA Alkaline 
Housing  ABS
Dimensions 219 x 68 x 50 mm


Instrument Sensor 

Piezoresistive pressure sensor

Ceramic sensor for
external pressure probes

Piezoresistive pressure sensor For
external pressure probes


Type K (NiCr-Ni)

Measuring range 0 to 2000 hPa -1 to 400 bar 0 to 2000 hPa -40 to +150 °C -200 to +1370 °C
Accuracy ±1
±0.1 % of fsv ±0.2 % of fsv ±0.1 % of mv ±0.2 °C (-10 to +50
±0.4 °C (remaining
±0.4 °C (-100 to
+200 °C)
±1 °C (remaining
Resolution 0.1 hPa 0.01 bar 0.1 Pa (0638 1347)
0.001 hPa (0638 1447)
0.01 hPa (0638 1547)
0.1 hPa (0638 1647; 0638 1847)
0.1 °C 0.1 °C
Static pressure 2000 hPa (abs)  
Overload 3000 hPa
Zeroing to 50 hPa



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