VLF Very Low Frequency Tester

Hubei,China

maker from 1997 year

Application

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

Technical 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

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