DVM52IT
VELLEMAN
2
3. Maintenance
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Do not remove the back cover while a voltage is being applied. Only a qualified technician should handle repairs.
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Always disconnect the test leads from all current sources before opening the meter.
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Always place the function and range switches in the OFF position when the device is not in use.
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Remove the batteries to keep them from leaking if the device is to be stored for a prolonged period of time.
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Use a damp cloth and a mild detergent to clean the device. Never apply abrasives or solvents to the meter
4. Description
General
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This digital insulation tester is equipped with two alarm functions. A humming sound is produced every two
seconds to prevent damage from improper operation when the function or range switch is in the wrong position.
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Press the test button and the alarm system will produce a humming sound every two seconds. The high voltage
output indicator will flash red, warning the operator of the risk of electroshocks because of the high output voltage.
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The device is protected against overload and a low-battery indication is provided.
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The device also has a data-hold function.
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Two rotary switches are used to select the functions and ranges.
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The DVM52IT has a test button that can be locked. Releasing the test button automatically discharges the
capacitance of the device.
Front & Back Panel
1. High voltage output indicator
2. LCD display
3. Front panel
4. Test button
5. Data-hold switch
6. Function switch
7. Range switch
8. HIGH jack
9. LOW jack
10. Battery cover
11. Case
5. Specifications
Max. accuracy is achieved during a one-year period after calibration. Ideal circumstances require a temperature of 18
to 28°C (64 to 82°F) and a max. relative humidity of 75%.
Earth ground
Low battery
AC (alternating current)
DC (direct current)
Continuity buzzer
