Intended Use - VOLTCRAFT ET-100 Bedienungsanleitung

3. INTENDED USE

- Measuring and displaying electric quantities in the range of measurement category CAT III (up to max. 1000 V or
750 V/AC to ground potential, in accordance with EN 61010-1) and all lower categories.
- Measurement of direct and alternating voltages to max. 1000 V or 750 V/AC.
- Measurement of insulation resistances of up to 4000 MΩ with an auxiliary supply of 125 V to max. 1000 V/DC in
accordance with EN 61557-2.
- Measurement of resistances of up to 400 Ω with a test current of approx. 200 mA
- Acoustic continuity check (< 35 ohms).
The measuring functions are selected with a rotary switch.
The low-resistance measuring range is secured against overload with a ceramic quick-break fuse. The voltage in the
measuring circuit must not exceed 1000 V or 750 V/AC.
The measuring device must not be operated when it is open, i.e. with an open battery compartment or when the
battery compartment lid is missing.
Measuring in potentially explosive areas (Ex) or damp rooms or under unfavourable ambient conditions is not
permitted.
Adverse ambient conditions include:
- Dust or combustible gases, vapours or solvents
- Storms or stormy conditions, strong electrostatic fields, etc.
For safety reasons, only use measuring lines or accessories in correspondence with the specifications of the
measuring device.
The measuring device may only be used by electrical specialists or technically skilled persons familiar with the
required standards and possible resulting risks.
Any use other than that described above will damage the product and involves other risks, such as short-circuit, fire,
or electric shock. Do not change or modify any part of the product!
Read the operating instructions carefully and keep them for future reference.
The safety instructions must be observed!
25