90 Ferm
The following icons appear on this device:
Risk of damaging material and/or physical
injuries
In accordance with essential applicable
safety standards of European directives.
Class II machine – double insulation
Fuse 200 mA / 250 V
It points to risk of injury, life hazard and
possible damage to the device, if the
instructions in this operating manual are
not followed.
1. TECHNICAL SPECIFICATIONS
Product: Ferm Digital Multimeter
Type MM-1000 - Item. No. MMM1008
Ferm B.V, Zwolle, Netherlands
- 3,5-digit LCD display (max. display: 1999);
- Operating temperature: 0.....40 °C (relative
humidity <75 %);
- Display frequency: 2-3 /seconds
- Maximum "In-phase voltage": 1000V DC.
- Storage temperature: -10.....+50 °C
The multimeter is operated with 3 x 1,5 VDC AAA
batteries. If the battery is flat, the display shows "
".
Calibration: Tolerances are guaranteed for a period
of one year at 18 °C - 28 °C and relative humidity of
<80 %.
PLEASE READ THROUGH THESE OPERATING
INSTRUCTIONS CAREFULLY!
2. MAKE YOURSELF FAMILIAR WITH
THE PRODUCT
Please read the operating instructions carefully
before putting the multimeter into service and in
particular, observe the safety stipulations. Service
the multimeter conforming to the instructions, so
that it will run smoothly. Use the multimeter only
when you are familiar with the operation of the
device. Preserve these operating instructions and
other records pertaining to the device carefully.
3. GENERAL SAFETY RULES
Great attention has been paid to the safety aspect in
designing this device.
Any change or extension in the device can
compromise the safety. This would even render the
warranty void and ineffective.
• Ensure order at the workplace.
- A disorderly workplace can cause accidents.
- Ensure sufficient illumination at the
workplace.
• Pay attention to the environmental factors.
• Do not use the multimeter in humid or wet
surroundings. Protect the multimeter from rain
and humidity.
• Keep children away from it.
• Keep other persons away from the work area
and ensure that they do not touch the
multimeter.
• Store the device in a safe place. Multimeters,
which are not used for a while, must be stored in
a dry room.
• Do not overload the multimeter. Work within the
indicated working range: this is better and safer.
Damages caused by overloading do not fall
within the purview of the guarantee.
• Do not use the instrument leads improperly. Do
not carry the device suspended by the
instrument leads and do not pull the plug from
the multimeter by the instrument leads; always
pull on the plug itself.
• Service the multimeter with care.
• Keep the multimeter clean. This facilitates work
and augments the safety. See that the
multimeter does not come in contact with
humidity, oil or fat.
• Pull the plugs out of the instrument leads from
the multimeter, when the multimeter is not in
use.
• Check if the device is damaged.
• Before using the device, recheck whether the
device and instrument leads are in proper
condition and function correctly.
4. SPECIAL SAFETY RULES
1. WARNING!Measuring high voltages and
currents poses a life hazard. Never touch
exposed metallic parts of the instrument leads.
2. The multimeter is sensitive. Protect it from
vibrations and do not let it fall down.
3. If the multimeter is not going to be used for a
time, please switch it OFF to save on batteries.
4. If the multimeter is not gong to be used for a long
period, remove the battery in order to avoid
spilling.
5. Do not subject the device to high humidity or high
temperatures.
6. Keep the multimeter away from strong magnetic
fields.
7. Remove the instrument leads immediately if you
smell burnt cable insulation.
8. Use the multimeter only if the housing is closed.
9. Use the multimeter only for measurements of
the class I or II.
Do not use the multimeter for measurements in
the class III or IV.
- +
Ferm 03
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