Operation Manual

12
If the device comes into contact with moisture or other conductive-
residue, work must not be carried out under voltage. At and above
voltages of 25 V AC / 60 V DC, the presence of moisture creates
the risk of life-threatening electric shocks. Clean and dry the
device before use. When using the device outdoors, make sure
that the weather conditions are appropriate and / or that suitable
protection measures are taken.
Before taking any measurements, make sure that both the area to
be tested (e.g. a line), the test device and the accessories used
(e.g. connection cable) are in proper working order. Test the device
by connecting it to known voltage sources (e.g. a 230 V socket in
the case of AC testing or a car battery in the case of DC testing).
The device must no longer be used if one or more of its functions
fail or the battery charge is weak.
The device must be isolated from all current sources before
opening the cover to change the battery(ies) or fuse(s).
Do not switch on the device with the cover open.
Observe the safety precautions of local and national authorities
relating to the correct use of the device and any prescribed safety
equipment (e.g. electrician‘s safety gloves).
If you have to take hold of the measuring spikes, do so by the
grip sections only. Do not touch the measuring contacts whilst
the measurement is being taken.
Make sure that you always select the correct connections and
rotary switch position with the correct measuring range for the
measurement to be carried out.
Disconnect the power supply to the electrical circuit before
measuring or checking the diodes, resistance or battery charge.
Make sure that all high-voltage capacitors are discharged.
To check, remove the measuring leads of the device from
the test piece before changing the mode.
When connecting to a voltage, always connect the black
measuring lead rst before the red lead. Follow the reverse
procedure when disconnecting.
If possible, do not work alone. Carry out measurements in
the vicinity of hazardous electrical installations only under the
guidance of a qualied electrician.
The measuring tools and accessories are not toys.
Keep out of reach of children.
GB