testo 526-2 - Differential pressure measuring instrument 0 to 2000 hPa (accuracy ±0.05% of f.v.)

Order-Nr. 0560 5281

Where to buy

Temperature-compensated differential pressure sensor
Multi-point and timed mean calculation
Freely selectable measuring rate for recording measurement data
2 additional probe inputs for the attachment of optional pressure and temperature probes

The testo 526-2 high precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of ± 0.05% of the final value. Two additional pressure and temperature probes can be attached.

Details

Product Description

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

Delivery Scope

testo 526-2 high precision differential pressure measuring instrument, including quick-release connections, calibration protocol, and batteries

Technical Data

Temperature - NTC
Measuring range	-40.0° to 302.0 °F / -40 to +150 °C
Accuracy	±0.4 °F (14.0° to 122.0 °F)* / ±0.2 °C (-10 to +50 °C)* ±0.7 °F (Remaining Range)* / ±0.4 °C (Remaining Range)*
Resolution	0.1 °F / 0.1 °C

Temperature - NTC

Measuring range

-40.0° to 302.0 °F / -40 to +150 °C

Accuracy

±0.4 °F (14.0° to 122.0 °F)* / ±0.2 °C (-10 to +50 °C)*

±0.7 °F (Remaining Range)* / ±0.4 °C (Remaining Range)*

Resolution

0.1 °F / 0.1 °C

*Accuracy information applies only to instrument without probes connected

Temperature - Type K TC
Measuring range	-328.0° to 2498.0 °F / -200 to +1370 °C
Accuracy	±0.7 °F (-148.0° to 392.0 °F)* / ±0.4 °C (-100 to +200 °C)* ±1.8 °F (Remaining Range) / ±1 °C (Remaining Range)*
Resolution	0.1 °F / 0.1 °C

Temperature - Type K TC

Measuring range

-328.0° to 2498.0 °F / -200 to +1370 °C

Accuracy

±0.7 °F (-148.0° to 392.0 °F)* / ±0.4 °C (-100 to +200 °C)*

±1.8 °F (Remaining Range) / ±1 °C (Remaining Range)*

Resolution

0.1 °F / 0.1 °C

*Accuracy information applies only to instrument without probes connected

Differential pressure (internal sensor) - Piezoresistive
Measuring range	0 to 800 InH₂O / 0 to 2000 hPa
Accuracy	±0.05 % of full-scale value
Resolution	0.0 InH₂O / 0.1 hPa
Static pressure	800 InH₂O (abs) / 2000 hPa (abs)
Overload	1200 InH₂O / 3000 hPa
Zeroing	to 20 InH₂O / to 50 hPa

Differential pressure (external probe) - Piezoresistive

Measuring range

0 to 800 InH₂O / 0 to 2000 hPa

Accuracy

±0.1 % of mv*

Resolution

0.10 InH₂O (0638 1347) / 0.10 Pa (0638 1347)

0.01 InH₂O (0638 1547) / 0.01 hPa (0638 1547)

0.001 InH₂O (0638 1447) / 0.001 hPa (0638 1447)

0.1 InH₂O (0638 1847 / 0638 1647) / 0.1 hPa (0638 1847 / 0638 1647)

*Accuracy information applies only to instrument without probes connected

Differential pressure (external probe) - Ceramic
Measuring range	-15 to 5802 psi / -1 to 400 bar
Accuracy	±0.2 % of full-scale value*
Resolution	0.14 psi / 0.01 bar

*Accuracy information applies only to instrument without probes connected

General technical data
Dimensions	9 x 3 x 2 in. / 219 x 68 x 50 mm
Operating temperature	32.0° to 122.0 °F / 0 to +50 °C
Housing	ABS
Measuring rate	0.04 sec
Battery type	9 V (6LR61)
Battery life	Continuous operation w/ internal pressure sensor: 30 h; With rech. battery: 10 h; With carbon battery: 18 h
Connection	Hose: inner Ø 4 mm outer Ø 6 mm
Display type	LCD
Display function	with symbol, 7 segment display and point matrix
Display update	2x per second, in fast measurement 4x per second
Power supply	Battery/Rechargeable battery,Mains unit 12 V
Interface	RS232
Memory	100 kB; 25,000 measuring values
Storage temperature	-4.0° to 158.0 °F / -20 to +70 °C
Weight	11 oz. / 300 g