DBM-8000 Automatic Capacitance and Tan-Delta Test Set

DBM-8000 Automatic Capacitance and Tan-Delta Test Set is designed to measure dissipation ( Dielectric Loss factor/DF/tgδ) or power factor (PF/cosφ )

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Description

Product Introduction

DBM-8000 Automatic Capacitance and Tan-Delta Test Set is designed to measure dissipation ( Dielectric Loss factor/DF/tgδ) or power factor (PF/cosφ ) in heavy electromagnetic interference environment such as in power plants or substations. Also it can be used in laboratory for high accurate test.

The test set is all-in-one structure: including precision digital bridge, 12kV/200mA frequency conversion power unit, reference capacitor (CN), and other electronic circuits. An external power supply can expand the test range. True portability is realized by the light weight. Simple usage is realized by the full automation. High per¬formance is realized by the digital process.

Product Features

1. DBM-8000 has advanced interference suppression circuit based on the frequency conversion and digital filter technique, the ratio of interference current to specimen current is 2:1(200%).
2. High speed A/D converters, processed by a DSP. self-calibrating, accuracy standard capacitor, so the DBM-8000 has high accuracy. All the input resistance is less than 2 Ohm, the attached capacitance of connection cable is negligible. Not only for on-the-spot test, it can also be used in laboratory for high accuracy test, such as oil dissipation factor test.
3. Safe protection: output protection, input protection, grounded protection, fault protection.
4. DBM-8000 has multiple functions:UST / GST /GSTg, all these functions with internal high voltage power supply need no assistant equipment. Using an external high voltage power supplies over 12kV or 5A. All test work will be done automatically after start the set.
5. The set can save 100 groups of data. And has a serial port to transmit data to the computer.

Technical Specifications

Specifications
Accuracy		Cx: ±(reading×1%+1pF) DF tgδ: ±(reading×1%+0.00040) PF cosφ: ±(reading×1%+0.00040)
Interference		Ratio of interference: current to specimen current is 2:1 ( 200% )
Capacitance Range		Internal HV 3pF~60000pF / 10kV, 60pF~1uF/0.5kV
External HV		3pF~1.5uF/10kV
Resolution		0.001pF, 4 digitals
No limit, Resolution		0.001%
tgδ Range		(C/L/R specimen is automatic recognized)
Input current range		10μA~5A
Internal HV		0.5~12kV / 200mA (max)
Accuracy		±(reading×1%+10V)
Control mode		Rise or fall smoothly
Frequency		45Hz, 50Hz, 55Hz, 60Hz,65Hz single frequency 45Hz/55Hz, 55Hz/65Hz,47.5Hz/52.5Hz dual frequency
External HV		UST: 5A max; GST: 12kV/5A max, 38-72Hz
Test Time		30s typical may vary in different test mode
Power Supply		95V~130V,180V~260V,50Hz/60Hz or 1phase power supply or generator
Display		128*64 dot matrix
Printer		Thermal printer
Operating Temperature		-10℃~50℃
Storage Temperature		-20℃~60℃
Humidity		<90% non-condensing

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