TESTO 6681 Instruction Manual page 79

7 Using ESC return to H
Absolute pressure unit using  or .
 Selecting absolute pressure unit (Abs. pressure unit)
This parameter determines the humidity variables, standardised atmospheric
dewpoint (°CtA, °FtA), relative humidity (g/kg or gr/lb) and water content
(ppm or % vol).
vol
1 Press SET, select desired unit (selection: bar, psi, mPa, hPa)
using  or  confirm selection with SET or cancel with ESC.
Continue to Absolute Pressure with  or .
2
 Editing absolute pressure (Abs. pressure value)
You can set a value for the process absolute pressure.
1 Using  or , select Abs. pressure value and confirm selection
with SET.
The absolute pressure is displayed.
2 Scroll one digit to the right using , increase value of digit by 1
using . Confirm with SET or abort entry with ESC.
3 Press SET and return to Abs. pressure value.
4 Return to Main Menu Settings by pressing ESC.
Continue to Main Menu Analysis using  or  or return to
5
Measuring Mode by pressing ESC.
 Editing code settings
You can set the access code (password).
If a code other than "0000" (factory setting) is set, the
transmitter can only be operated once this code has been
entered via the menu.
Select Code using  or  and confirm selection with SET.
1
2 Scroll one digit to the right using , increase value of digit by 1
using . Confirm with SET or abort entry with ESC.
3 Return to Code by pressing ESC.
testo 6681 Ethernet
O proportion by weight and continue to
2 2
- 1.4 Operation 79