Product Functions:
1) It has multiple working modes: positive/reverse wiring, internal/external standard capacitor, internal/external high voltage, and an integrated structure. It can perform various routine dielectric loss tests without the need for any external auxiliary equipment.
(2) It has a four-channel positive wiring mode, which is convenient for transformer bushing dielectric loss tests.
(3) It has an interface for external standard capacitors, automatically tracks the frequency of the external test power supply from 40Hz to 70Hz, and supports power frequency and series resonant power supplies for large-capacity, high-voltage dielectric loss tests.
(4) It has a discharge indication function for poor loop contact, making it easy to determine whether the wiring is reliable.
(5) It has a CVT self-excitation method measurement function. C1/C2 can be measured simultaneously with one connection, automatically compensating for the influence of busbar grounding and standard capacitor voltage division. No rewiring or external accessories are required, and the high-voltage connecting wire can be dragged on the ground.
(6) It has a CVT transformation ratio function, capable of measuring CVT transformation ratio, polarity, and phase error.
Product Aliases
Dielectric Loss Tester, Anti-interference Dielectric Loss Tester, Fully Automatic Dielectric Loss Tester, Manufacturer of Variable Frequency Dielectric Loss Testers, Manufacturer of Variable Frequency Dielectric Loss Testers, Anti-interference Dielectric Loss Tester, Fully Automatic Dielectric Loss Tester
Internal Step-up Transformer Output Capability
Output Voltage Rated Output Current
5kv 7.5kv 10kv 100mA
1.5kv 2.25kv 3kv 300mA
0.5kv 0.75kv 1kv 500mA
External Connection Modes
“External Step-up Transformer” mode: maximum test voltage 10KV
“External Cn” mode (external high voltage, external standard capacitor): maximum test voltage determined by the standard capacitor and the test object (Umax=Imax/ωC)
Standard circuit maximum current 50mA (In=UωCn)
Test object circuit maximum current 2A (Ix=UωCx)
Operating Precautions:
1. When in use, the instrument's grounding terminal must be reliably grounded.
2. Only when the instrument power is turned off and the internal high voltage enable switch is in the “OFF” position, is it considered safe to touch the rear of the instrument, its measurement cables, and the test object.
3. During measurement, it is strictly prohibited to operate the “Test Voltage” selector switch.
4. In positive wiring mode, the UH terminal is at high voltage; in reverse wiring mode, the IX terminal is at high voltage. When in use, it is necessary to keep sufficient distance between the high-voltage cables and the ground according to the actual situation, except for special cables when the test voltage is below 10KV.
5. Do not replace fuse tubes that do not conform to the panel indication values.
6. When in use, use the cables provided by the manufacturer with the instrument as much as possible to ensure measurement accuracy.
