Observator Instruments DIFF, User Manual

Page: 11 / 26

DIFF automatic volume flow meter
User manual
V11.2 - EN
Page 11
TDC 16-7-2012
OBSERVATOR
instruments
3.4.4 Measuring unit / temperature unit
The measuring unit can be selected by turning the selection button. The setting has to be
confirmed by pressing the selection button. The following measuring units can be selected:
measuring unit:

M3/H

CFM

L/S
Temp. unit:

Celsius

Fahrenheit
3.4.6 Technical menu
The technical menu is only available by the Observator technicians.
3.5 Overrange protection
The measuring range goes up to 400m3/h. When you
try to measure a value higher then 400m3/h the DIFF
will show the screen shown on the right.
3.6 OFF
The option will power the DIFF down. The DIFF will also be turned off when it is not used for 10
minutes or more. This will prevent unnecessary energy consumption.
Meas. unit
=======================
M3/H
Temp. unit
=======================
Celsius
Overranged
=======================