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capacitance & dissipation factor measuring bridge

capacitance & dissipation factor measuring bridge
Product name:capacitance & dissipation factor measuring bridge
Item:6-14
Details:
 

I Description

This different-frequency capacitance & dissipation factor tester is an up-to-date test instrument for measuring capacitance and dissipation factor (dielectric loss and impedance) of various kind of high voltage apparatus full automatically, such as transformers, cables, capacitors, insulators, HV switches, arresters, etc.

This is a high precision instrument; main power is generated by inverter inside and boosted by transformer. Frequency of main power is 45Hz and 55Hz, different to power frequency and so avoid interference by power frequency! It is also suitable for the case that power supply is by generator.

II Main features

-- Portable type, very light weight, not more than 30kg

-- Equipped with big screen (240x128mm), menu displaying with relative prompts in the right side, very simple operation, no need special training.

-- Test result can be saved or printed out; One time operation, automatic finish all the test.

-- Equipped with big capacity memory and calendar CMOS chip. Test results can be saved in time/date sequence; History records can be reviewed and printed out at any time.

-- Equipped with wiring diagram menu inside helping operator to wire correctly.

-- Equipped with earth detecting to ensure reliable earthed before being stepped up.

-- By equipped with insulation oil cup, this instrument can also test dielectric loss of insulation oil.

-- Can be suitable for testing full-sealed capacitor type voltage transformer.

-- Inside inverter and sample circuit are all digital control, output voltage is continuous adjustable

-- Equipped with multi-safety protection measures for voltage fluctuation, output short-circuit, over-voltage, over-current, over-temperature, etc.

III Main parameters

1

Service conditions

-5°C ~ 40°C

RH<80%

2

Principle of anti-jamming

varying frequency

3

Power supply

AC220V +/-10% (no limit on frequency)

4

HV output

voltage

0.5~10kV

precision

5%

Max. current

140mA

Capacity

1000VA

5

Self-exciting power

AC 0~30V

45Hz/55Hz

Max. current

15A

6

Resolution ratio

tgδ 0.001%

Cx: 0.1pF

7

Precision

Δtgδ

+/- (reading x 1.0% + 0.040%)

ΔCx

+/- (reading x 1.0% +1.0pF)

8

Measuring range

tgδ

No limit

Cx

15pF < Cx < 100000pF

 

10kV

Cx < 30,000pF

 

5kV

Cx < 60,000pF

 

1kV

Cx < 100,000pF

For CVT

Cx < 100,000pF

9

Memory size

Can store 40 units test data

10

Dimension

470 x 320 x 390mm (L x W x H)

11

Weight

30kg

 

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