General Description; Overvoltage/Installation Category - Velleman DVM9915 Manual Del Usuario

 Never use the meter with CAT III installations when measuring voltages
that might exceed the safety margin of 600 V above earth ground.
Never use the meter with CAT IV installations when measuring voltages
that might exceed the safety margin of 300 V above earth ground.
 Set the range selector at its highest position if the intensity of the
charge to be measured is unknown beforehand.
 Disconnect the test leads from the tested circuit before rotating the
range selector in order to change functions.
 When carrying out measurements on a TV set or switching power
circuits, always remember that the meter may be damaged by any high
amplitude voltage pulses at test points.
 Always be careful when working with voltages above 60 VDC or 30 VAC
rms. Keep your fingers behind the probe barriers at all times during
measurement.
 Never perform resistance, diode or continuity measurements on live
circuits. Make sure all capacitors in the circuit are depleted.

6. General Description

This device is a battery-operated, hand-held 3 ½ digital multi-meter for
measuring DC and AC voltages, DC current and resistance. It also offers the
possibility of executing continuity tests and of testing diodes and transistors.
The back light is optional.
Refer to the illustration on page 2 of this manual:
1. Display
3 ¾ digits, 7 segments, LCD: 65 x 36 mm
2. Rotary switch
This switch is used to select functions and desired ranges as well as to
turn the meter on/off.
3. "VmA" jack
Insert the red (positive) test lead in this connector to measure voltage,
resistance and current (except 15 A).
4. "COM" jack
Insert the black (negative) test lead.
5. "15A" jack
Insert the red test lead in this connector in order to measure a max.
current of 15 A.

7. Overvoltage/Installation Category

DMMs are categorized depending on the risk and severity of transient
overvoltage that might occur at the point of test. Transients are short-lived
bursts of energy induced in a system, e.g. caused by lightning strike on a
power line.
V. 03 – 29/11/2017
DVM9915
6 ©Velleman nv