Initial Operation; Putting In The Battery; Operation; Switching On/Off - TESTO 815 Instruction Manual

4. Initial Operation

slightly, remove battery.
4 Put in new 9 Volt block battery. Ensure +/- is correct.
5 Put the cover back on the housing and close using a
screwdriver.

5. Operation

5.1 Switching on/off

Switch on meter: press
- All segments light up briefly and the meter switches to the
measurement mode (measurement range 32 - 80dB).
Switch off meter: press

5.2 Setting the meter

The following functions can be set:
Function
Time weighting
Frequency weighting
Level
Hold function

4.1 Putting in the battery

1 Open back of testo 815 using a
screwdriver and remove cover.
2 The battery compartment is located
in the cover.
3 Lift the holding clip for the battery
.
.
Description
Sets measurement time
Sets weighting,
Switches over
measurement range
Switches on
Max Hold/Min Hold Function
4. Initial Operation 23
Setting options
Fast or Slow
A or C
32 to 80dB
50 to100dB
80 to 130dB
MAX / MIN