TESTO 540 Short Manual

Short manual testo 540 11
Short manual testo 540
Protection cap: Park position
Light sensor
Display
Control keys
Battery compartment (on rear)
Basic settings
Instrument off > press and hold 2s > select with ( ),
confirm with ( ):
Auto off function: OFF, ON
Switching the instrument on
Press .
Switching the display light on (for 10s)
Instrument on > press
Select display size
Instrument on > select with :
lux, ftc
Select display mode
Instrument on > select with :
Current reading > Hold: Readings are held > Max: Maximum values > Min: Minimum
values
Switching the instrument off:
Instrument on >press and hold 2s.

TESTO 540 Specifications

General

Product color	Black
Luminance measuring units	LUX
Number of measuring ranges	1
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 50 °C
Power source type	Battery
Battery type	AAA
Number of batteries supported	2

Weight and Dimensions

Depth	25 mm
Width	46 mm
Height	133 mm
Weight	95 g