Velleman DVM52IT - Manual (Page 2)

DVM52IT VELLEMAN 2
3. Maintenance
• Do not remove the back cover while a voltage is being applied. Only a qualified technician should handle repairs.
• Always disconnect the test leads from all current sources before opening the meter.
• Always place the function and range switches in the OFF position when the device is not in use.
• Remove the batteries to keep them from leaking if the device is to be stored for a prolonged period of time.
• Use a damp cloth and a mild detergent to clean the device. Never apply abrasives or solvents to the meter
4. Description
General
• 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.
• 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.
• The device is protected against overload and a low-battery indication is provided.
• The device also has a data-hold function.
• Two rotary switches are used to select the functions and ranges.
• 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