1. Overview
YZ9000D Anti-Interference Dielectric Loss Tester is a novel automated instrument for measuring dielectric loss tangent (tgδ) and capacitance (Cx).It can measure the dielectric loss tangent (tgδ) and capacitance (Cx) of various insulating materials, insulating bushings, power cables, capacitors, transformers, capacitive voltage transformers (CVT), transformers, generators and other high-voltage equipment on-site under power frequency high voltage. Compared with the Schering bridge, it has the advantages of simple operation, automatic measurement, intuitive reading, no conversion, high accuracy, and strong anti-interference capability. The internal standard capacitor and voltage boosting device, when used in "internal connection" mode, requires no other external equipment and is easy to carry
● Multiple measurement modes are available, with options for positive/reverse wiring, internal/external standard capacitor, CVT, and internal/external test voltage. Positive wiring can measure high-voltage dielectric loss.
● When measuring capacitive voltage transformers (CVT), no other external equipment is required.
● Built-in SF6 standard capacitor, tgδ<0.005%, less affected by air humidity.
● Good anti-interference effect; can effectively eliminate the influence of strong electric field interference on measurement, suitable for strong interference field tests at power stations of 500kV and below.
● In case of high-voltage short circuit or sudden power failure, the instrument can quickly cut off the high voltage and issue a warning message.
● Good measurement repeatability, good voltage linearity (measurement accuracy is not affected by voltage)
● Integrated structure, moderate weight, easy to carry.
● Large screen with backlight Chinese LCD display for information prompts and easy operation.
● The instrument comes with a built-in printer to save test data in time.
● High-voltage cable connects to the test object to ensure safety; alarm if the instrument is not grounded, with complete safety measures.
2. Technical Specifications
2.1 Rated Working Conditions
2.1.1 Ambient temperature: 0~40℃ (when the temperature exceeds 20℃±5℃, the change in basic error of the instrument for every 10℃ change shall not exceed 1/2 of the basic error limit.)
2.1.2 Relative humidity: 30%~85%
2.1.3 Power supply: Voltage: 220V±22V Frequency: 50±1Hz
2.2 Dimensions: a×b×hmm:450×330×380
2.3 Instrument weight: not more than 18kg
2.4 Electronic circuit power consumption: not more than 40VA
2.5 Measurement range:
2.5.1 Dielectric loss (tgδ): 0~1 Resolution 0.0001
2.5.2 Capacitance (Cx): Minimum resolution 0.01PF
2.5.2.1 Internal connection mode
Test voltage Test object capacitance
5KV 7.5KV 10KV 3PF~40000PF
1.5KV 2.25KV 3K 10PF~0.35μF
0.5kv 0.75kv 1kv 30PF~1.5μFYZ9000D Anti-Interference Dielectric Loss Tester YZ9000D Anti-Interference Dielectric Loss Tester YZ9000D Anti-Interference Dielectric Loss Tester
