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Motwane - Model HVT Series -AC-DC Hi Pot Test Set
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
- Power Cables.
- 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
Standard Accessories
- Non shielded HV Cable
- Grounding cable
- Spare fuse
- Instruction manual
- Warranty certificate
- Calibration certificate
Optional Accessories
- Interconnecting Cable
- Discharge Rod
- Warranty: Standard one year warranty against any manufacturing defects
Ordering Information
- 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%.