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Three Channel Partial Discharge TesterZC-254B

ZC-254B Three channel partial discharge detector is a new digital liquid crystal display partial discharge detector developed by our company to solve the problems of low brightness and short service life of the oscilloscope tube of the traditional partial discharge instrument.
The instrument has the advantages of high detection sensitivity of mature products, large sample capacitance coverage, wide range of applicable samples, complete input units (detection impedance) and multiple frequency band combinations (nine kinds). The operation, structure and installation form are fully compatible with previous models, which is convenient for the upgrading of existing system equipment.

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Features and Advantages

1.After the partial discharge signal is digitized, the liquid crystal display is used to replace the traditional oscilloscope display.

2.The operation is exactly the same as the traditional analog partial discharge test instrument, which is simple and easy to learn.

3.Freely select ellipse, straight line and sine display mode

4.Digital windowing technology can avoid the influence of interference on measurement.

5.Any phase windowing, single window or double window optional, and the ellipse rotates 150 degrees.

6.It can freeze the current discharge map, and observe and analyze the static partial discharge pulse.

7.The current discharge spectrum can be saved to realize the traceability of test results.

Parameter

Capacitance range of testable products		6 PF — 250 μF
Detection sensitivity
range of the tuning capacitor	Sensitivity（PC）（unbalanced circuit）	effective values of Permissible current
		unbalanced circuit	balanced circuit
0～25～100PF	0.02	30mA	0.25A
25～100～400PF	0.04	50mA	0.5A
100～400～1500PF	0.06	120mA	1A
400～1500～6000PF	0.1	0.25A	2A
1500～6000～25000PF	0.2	0.5A	4A
0.006～0.025～0.1μF	0.3	1A	8A
0.025～0.1～0.4μF	0.5	2A	15A
0.1～0.4～1.5μF	1	4A	30A
0.4～1.5～6.0μF	1.5	8A	60A
1.5～6.0～25μF	2.5	15A	120A
6.0～25～60μF	5	25A	200A
25～60～250μF	10	50A	300A
Amplifier band	Low end	10kHz, 20kHz, 40KHz optional
	High end	80kHz, 200kHz, 300kHz optional
Amplifier gain adjustment	Roughly adjust the sixth gear, and the inter gear gain is 20 ± 1 db
	Fine tuning range > 20dB
Time window	Window width: adjustable range: 15°- 150°
	Window position: each window can rotate 0°- 170°
	The two time windows can be opened separately or simultaneously
Discharge meter	Digital meter: 3 ½ LED digital meter displays 0-100.0, error < ± 5% (based on full scale)
Elliptical time base	Frequency: 50Hz, 100Hz, 150Hz, 200Hz, 400Hz
	Elliptical rotation: with 30 ° as the first gear, 120 ° rotation can be made
	Display mode: ellipse – straight line – sine
Test voltmeter	Range: 100kV (expandable)
	Display: 3 ½ Digital voltmeter indication
	Accuracy: better than ± 5% (based on full scale)
Dimension	500 * 500 * 210 mm (W * D * H)
Net Weight	16kg