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HZ-2000H Automatic 12kV CVT Capacitance And Tan Delta Meter

I. Overview

Automatic Capacitance and Tan Delta Test Set is a kind of instrument with high precision fully automatic measuring the dielectric loss tangent and capacitance of various high voltage electrical equipments in the power plants and substations. The adoption of frequency conversion technology could ensure the accurate measurement in the interference of strong electric field.

The instrument's operation interface is in English. The entire measurement process is fully automated through microcomputer control.

The instrument is also suitable for measuring tgδ (dielectric loss tangent) and capacitance of high-voltage electrical equipment in workshops, laboratories, and research institutes.

It could measure non-grounded or grounded high voltage equipments adopting positive and negative connection method. Besides, it could measure the tgδ of capacitor voltage transformer and capacitance of main capacitor C1 and C2.

The instrument is equipped with high voltage step-up transformer. Besides, it takes security measures like zero-cross closing, lightning protection, etc. During the experiment, different levels of high voltage ranging from 0.5KV to 10kV are outputted. The instrument has the advantages of convenient and safe operation.

Under the circumstance of oil dielectric loss ≥ 0.01%, with oil cup, positive wiring can be used to measure the dielectric loss of oil.

This following protection features are not included in this instrument:

• High voltage short-circuit protection

• CVT over-voltage protection

• Poor grounding protection

II. Main technical parameters

Accuracy： Cx: ±(readings×1%+1pF)

tgδ: ±(readings×1%+0.00040)

Anti-interference index: frequency conversion anti-interference, can still achieve the above accuracy under the interference of 200%.

Capacitance range：

Internal high voltage：3pF～60000pF/12kV 60pF～1μF/0.5kV

External high voltage： 3pF～1.5μF/12kV 60pF～30μF/0.5kV

Resolution: up to 0.001 pF, 4-bit significant digits

Tgδ range： no limit,The resolution is 0.001%. The capacitance, inductance and resistance can be identified automatically.

Test current range：10μA～5A

Internal high voltage：

Setting Voltage Range：0.5～12kV

Maximum output current：200mA

Packing List of Instrument

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