testo 521-1 - differential pressure measuring instrument (0.2 % of f.v.)

-40 … +150 °C

±0,2 °C (-10 … +50 °C)*

±0,4 °C (overig meetbereik)*

0,1 °C

-200 … +1370 °C

±0,4 °C (-100 … +200 °C)*

±1 °C overig meetbereik*

0,1 °C

0 … 100 hPa

±0,2 % v.Ew

0,01 hPa

1000 hPa (abs)

300 hPa

to 2,5 hPa

0 … 2000 hPa

±0,1 % v. Mw.*

0,1 Pa (0638 1347)

0,01 hPa (0638 1547)

0,001 hPa (0638 1447)

0,1 hPa (0638 1847 / 0638 1647)

-1 … 400 bar

±0,2 % v.Ew*

0,01 bar

219 x 68 x 50 mm

0 … +50 °C

ABS

2 extern; 1 intern

0,04 s

Hose: inner Ø 4 mm outer Ø 6 mm

9 V (6LR61)

Continuous operation w/ internal pressure sensor: 30 h; With rech. battery: 10 h; With carbon battery: 18 h

LCD

7 segment display and point matrix

2x per second, in fast measurement 4x per second

Battery/Rechargeable battery,Mains unit 12 V

RS 232

100 kB; 25.000 meetwaarde

-20 … +70 °C

300 g