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VLF Very Low Frequency Tester

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Wuhan Huaying Electric Power Tech & Science Co.,ltd

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1.1Application

The VLF Very low frequency Tester is applied in power cable and generator insulation test in power system

1.2Technical index

1 Max voltage output: refer to table 1

2 Output frequency: 0.1Hz, 0.05Hz, 0.02Hz

3 Measurement error < 3%RDG+0.3%FS

4. Positive and negative voltage peak errors < 3%RDG+0.3%FS

5 Power supply：AC220V ± 10%, 50Hz/60Hz

6 Voltage wave form distortion: <5%

7 Environment temperature: 0~50°C

8 Humidity: ≤85%RH

Table 1 parameters for very low frequency tester

Model no	Rated Voltage/current	Load Carrying Capacity	Product Structure and Weight
VLF-30	30kV/20mA (Peak)	0.1Hz, ≤ 1.1µ F	Controller: 4kg Booster: 25kg
		0.05Hz, ≤ 2.2µ F
		0.02Hz, ≤ 5.5µ F
VLF-50	50kV/30mA (Peak)	0.1Hz, ≤ 1.1µ F	Controller: 4kg Booster: 50kg
		0.05Hz, ≤ 2.2µ F
		0.02Hz, ≤ 5.5µ F
VLF-80	80kV/30mA (Peak)	0.1Hz, ≤ 0.5µ F	Controller: 4kg Booster Grade 1(30kV): 25kg Booster Grade 2(50kV): 50kg

VLF Very Low Frequency Tester

Product Tags:

vlf tester

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