testo 526-1 - Differential pressure measuring instrument 0 to 2000 hPa (accuracy ±0.1% of f.v.)

Order-Nr.  0560 5280

  • Temperature-compensated differential pressure sensor

  • Multi-point and timed mean calculation

  • Recording of measurement data with freely selectable measuring rate

  • 2 probe inputs for pressure and temperature

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

Product Description

The testo 526 is the differential pressure meter for industrial applications. Critical processes can be measured and monitored efficiently, with an accuracy of up to 0.1% of the full-scale value.

 

Delivery Scope

testo 526-1 high precision differential pressure measuring instrument, including quick-release connections, calibration protocol, and batteries
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

*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

±0.1 % of full-scale value

Resolution

0.1 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

-14 to 5802 psi / -1 to 400 bar

Accuracy

±0.2 % of full-scale value*

Resolution

0.10 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

Differential pressure probes

Differential Pressure

Measuring range

0 to +0 InH₂O / 0 to +100 Pa

Accuracy

±(0.0 InH₂O ±0.5 % of mv) / ±(0.3 Pa ±0.5 % of mv)

Resolution

0.1 InH₂O / 0.1 Pa

Overload

20 InH₂O / 50 hPa

Differential Pressure

Measuring range

0 to +4 InH₂O / 0 to +10 hPa

Accuracy

±0.01 InH₂O / ±0.03 hPa

Resolution

0.001 InH₂O / 0.001 hPa

Overload

20 InH₂O / 50 hPa

Differential Pressure

Measuring range

0 to +40 InH₂O / 0 to +100 hPa

Accuracy

±0.0 InH₂O (0 to +8 InH₂O) / ±0.1 hPa (0 to +20 hPa)

±0.5 % of mv (+8 to +40 InH₂O) / ±0.5 % of mv (+20 to +100 hPa)

Resolution

0.01 InH₂O / 0.01 hPa

Overload

120 InH₂O / 300 hPa

Meas.Range 0 to + 14.5 psi

Order Number: 0638 1647

Differential Pressure

Measuring range

0 to +400 InH₂O / 0 to +1000 hPa

Accuracy

±0 InH₂O (0 to +200 InH₂O) / ±1 hPa (0 to +200 hPa)

±0.5 % of mv (+80 to +1000 InH₂O) / ±0.5 % of mv (+200 to +1000 hPa)

Resolution

0.1 InH₂O / 0.1 hPa

Overload

800 InH₂O / 2000 hPa

Pitot tubes

Pressure Probe Accessories

Absolute Pressure

Measuring range

0 to +800 InH₂O / 0 to +2000 hPa

Accuracy

±2 InH₂O / ±5 hPa

Overload

1600 InH₂O / 4000 hPa

Relative pressure probe

Pressure measurement

Measuring range

-14 to +145 psi / -1 to +10 bar

Accuracy

±1 % of full-scale value

Overload rel. (low pressure)

363 psi / 25 bar

Pressure measurement

Measuring range

-14 to +435 psi / -1 to +30 bar

Accuracy

±1 % of full-scale value

Overload rel. (low pressure)

1740 psi / 120 bar

Additional accessories and Spare parts

Software and Accessories

RS232 cable

Order Number: 0409 0178

Transport Case

TopSafe (protective case)

Order Number: 0516 0446