Dwyer HM28 User Manual
Page 2
2
Contents
1
Description ....................................... 4
2
Safety details ................................... 4
3
Operating ......................................... 4
3.1
Switching on and off ........................ 4
3.2
Pneumatic connection ..................... 4
3.3
Operating modes ............................. 4
3.4
Configuration ................................... 6
3.5
RS 232 mode ................................... 7
3.6
Battery change .............................. 10
3.7
Recalibration .................................. 10
4
Specifications ................................ 10
4.1
Technical data ............................... 10
4.2
Measuring ranges .......................... 12
4.3
Mains supply unit connection ........ 12
5
Maintenance .................................. 12
6
Warning messages and faults ....... 13
7
Accessories ................................... 13
8
Calibration instructions .................. 14