VOLTCRAFT VC-337 Bedienungsanleitung Seite 38

• When using test leads without protective caps, measurements between the
multimeter and the earth potential must not exceed the CAT II measurement
category.
• When taking CAT III measurements, the cover caps must be placed on the
probe tips to avoid accidental short circuits.
• Push the cover caps onto the probe tips until they click into place. To remove the
caps, pull them off the tips with some force.
• Always remove the test probes from the measured object before changing the measurement range.
• The voltage between the connection points of the measuring device and earth potential must not exceed
600 V in CAT II or 300 V in CAT III.
• Exercise particular caution when working with voltages higher than 33 V (AC) and 70 V (DC). Touching
electrical conductors with these voltages may cause a fatal electric shock.
• To prevent an electric shock, do not touch the measuring points when taking measurements, either
directly or indirectly. When taking measurements, do not touch any area beyond the grip markings on
the test probes and the multimeter.
• Check the multimeter and test leads for signs of damage before each measurement. Never take meas-
urements if the protective insulation is damaged (torn, missing, etc.). The test leads come with a wear
indicator. The second layer of insulation will become visible if the lead is damaged (the second layer of
insulation is a different colour). If this occurs, discontinue use and replace the measurement accessory.
• Do not use the multimeter just before, during or just after an electrical storm (electric shock /high-power
surges!). Ensure that your hands, shoes, clothes, the floor, circuit and circuit components are dry.
• Do not use the product in the immediate vicinity of strong magnetic or electromagnetic fields, transmitter
aerials or HF generators. These may distort the measurements.
• If you suspect that safe operation is no longer possible, stop using the device immediately and prevent
unauthorised use. Safe operation can no longer be assumed if:
- There are signs of damage
- The device does not function properly
- The device was stored under unfavourable conditions for a long period of time
- The device was subjected to rough handling during transport.
• Do not switch the device on immediately after it has been brought from a cold room into a warm one. The
condensation generated may destroy the product. Leave the device switched off and allow it to reach
room temperature.
• Do not leave packaging material lying around carelessly, as it may become a dangerous toy for children.
• Observe the safety information in each section.
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