TESTO 645 - Page 9

9
Overview of controls
MAN
Activate
manual
saving
Activate - deactivate
automatic switch-off function
Select power supply
battery/rechargeable battery
Setting: Date
Setting: Time
Unit selection
Parameter setting for absolute
pressure and density compensation
AUTO
Program
automatic
saving
• Select meas.
cycles
• Set
measurement
rate
OUT
Read memory
contents on
display with
printing option
CLEAR
Clear memory
Note: Everything
in the memory is
deleted
5.
Memory
settings
6.
Instrument configuration
°C°F
m/sfpm [ft/min] (testo 445)
Factory reset
Print parameters
hPa mbar psi
in W [”H
2
O] (testo 445)
°C, %, Abs.mbar,
rho-g/m
3
, Pitot tube factor
1.
Current measurement
Simultaneously
m
3
/h m
3
/min m
3
/s
l/s cfm [ft
3
/min](testo 445)
Note:
Flashing display is activated and is
confirmed by pressing
.
Connect probe
corresponding to
connection assignment
(rear of instrument)
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