3 SDL400-en-GB_V1.6 12/14
Getting Started
Power ON-OFF
Power the meter by pressing and holding the power button for at least 1.5 seconds.
Press and hold the power button for at least 1.5 seconds to power OFF the meter.
This meter is powered by six (6) 1.5VDC ‘AA’ batteries or by optional AC adaptor. If the meter
will not switch ON please check that fresh batteries are installed in the rear battery compartment
or, in the case of the AC adaptor, check that the adaptor is connected correctly to the meter and
to an AC source.
Display Backlight
To turn the display backlight ON or OFF, press and hold the backlight
button for at least 1.5
seconds. The meter will beep when switching the backlight ON or OFF unless the beeper is
disabled as described in the Setup Mode section of this user guide.
Light Meter Sensor Connection
The supplied light sensor is connected to the meter via the DIN jack at the top right of the meter.
When taking measurements snap off the light sensor’s protective cover and then replace the cover
when finished.
Light Meter Units of Measure
The currently selected unit of measure is shown to the left of the light measurement reading on the
meter’s LCD. To change the unit of measure, press and hold the UNIT button until the desired unit
of measure appears and then release the UNIT button. The available light measurement units are
LUX and FOOT CANDLE (ft-cd).
Thermocouple Temperature Sensor Connection
A type K or J thermocouple temperature sensor can be connected via the sub-miniature
thermocouple jack at the top left of the meter. The display icon for the type of thermocouple
selected (J or K) is shown on the meter’s LCD to the left of the temperature measurement. To
change the type, use the Setup Mode.
Temperature Measurement Units of Measure
The currently selected unit of measure is shown below the temperature measurement reading on
the meter’s LCD. To change the unit of measure, press and hold the UNIT button until the desired
unit of measure appears and then release the UNIT button. The available temperature
measurement units are °C and °F.
