The Motwane Hi-Pot tester, HVT series offer wide range of test voltages to determine the withstand strength of electrical insulation for the normally occurring over voltage transients. HVT series Sets are available in a wide range of voltage and power ratings with exceptional reliability, durability and functionality which can generate AC, DC or AC+DC Voltages (eliminate the need for two separate kits). It is available with manual / motorized controlled operation and provides variable output voltage. Test sets had selectable tripping current to identify breakdown voltage of different test objects and also have timer, useful to set duration of test period. HVT series is provided with HV indication, supply fault / earth open interlocking & door / cabin interlocking & overload protection provided for safety of operator & test set.
Dielectrics (insulation) for electrical equipment and apparatus is used for many different applications. It is expressed for a wide range of environmental conditions such as temperature, moisture, chemicals, other contaminants, and exposure to weather. One major factor affecting insulation life is thermal degradation. Although moisture, contamination, voltage stress, and other factors may also contribute to its degradation. In addition, the life of an insulating material depends on the degree of loading, the type of service to which the equipment is subjected, the care it receives during installation and operation, and mechanical vibration and forces to which it is subjected.
A dielectric withstand test is an electrical test performed on a component or product to determine the strength of insulation. The voltage is applied between equally insulated sections of a part or energized parts and electrical ground under test, and determines the leakage current that may flow under test conditions. Excessive leakage current flows may indicate a deteriorated condition or impending failure of the insulation. Insulation testing can be performed by applying either direct current (DC) voltage or alternating current (AC) voltage. The test is to qualify a device’s ability to operate safely during rated electrical conditions. If the current through a device under test is less than a specified limit at the required test potential and time duration, the device meets the dielectric withstand requirement. A dielectric withstand test may be done as a factory test on new equipment, or may be done on apparatus already in service as a routine maintenance test.
Typically used for
Transformer/Motor/ Generator/Switchgear testing
Insulated Electric Apparatus & Components
Aerial Lift Equipment/Bucket Trucks
Domestic appliance testing
Capacitor Coils & chokes
Model MOT-HVT5 MOT-HVT10 MOT-HVT15 MOT-HVT20 MOT-HVT30 MOT-HVT40 MOT-HVT50 MOT-HVT70
Output Voltage 5KV 10KV 15KV 20KV 30KV 40KV 50KV 70KV
Tripping current Options 1) 50mA or 2) 100mA, Selectable at (25%-50%-100%) of full range
Burden at 50mA 0.25KVA 0.5KVA 0.75KVA 1KVA 1.5KVA 2KVA 2.5KVA 3.5KVA
Burden at 100mA 0.5KVA 1KVA 1.5KVA 2KVA 3KVA 4KVA 5KVA 7KVA
Type of Voltage AC/DC/AC+DC
Display (V/I/T) Digital Meter
Voltage Meter 0.-5KV 0.-10KV 0-15KV 0-20KV 0-30KV 0-40KV 0-50KV 0-70KV
Voltage Accuracy ±2% of full scale reading ±2 digits
Voltage Resolution 0.1KV
Current Accuracy ±2% of full scale reading ±2 digits
Mains Supply 230 V 50/60 Hz ±10%, 1 Phase AC
Duty Cycle 15 min On, 10min Off
Timer 0-999 seconds Digital Timer
Time Accuracy ±0.05% of full scale reading
Operation Mode Manual Motorized
Colling Type Air cooled
Indication Bright LED for Power ON & Test ON
Protection and Safety Protected by MCB,
Fuse Zero start interlock
Earth open / supply fault interlock, Door/cabin interlock
Operating Temperature 0-55°C, 5-90% RH Non Condensing
*We also provide customized High voltage test set as per requirement
Warranty: Standard one year warranty against any manufacturing defects
Model Products Detail
MOT-HVT5 5KV High Voltage Tester
MOT-HVT10 10KV High Voltage Tester
MOT-HVT15 15KV High Voltage Tester
MOT-HVT20 20KV High Voltage Tester
MOT-HVT30 30KV High Voltage Tester
MOT-HVT40 40KV High Voltage Tester
MOT-HVT50 50KV High Voltage Tester
MOT-HVT70 70KV High Voltage Tester
Note: while ordering need to mention 1) Type of voltage : AC, DC or AC-DC 2) Tripping Current : 50mA or 100mA
Notes: 1.The Instrument is accompanied with Test & calibration sheet. 2.Test Facilities can be provided at the factory with the available test set-ups only. 3. The Company’s policy is continuous improvement of its products. We therefore reserve the Right of any deviation from illustration or specifications without notice. 4.Stated accuracies are valid from 10% of the range to 95% of the range. 5. Accuracy Specified for temperature range of 25°C ± 5°C & 55% RH ±10%.
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