VLF Very Low Frequency Tester manufacturer from China Wuhan Huaying Electric Power Tech & Science Co.,ltd

Product Detail

Means of Transport: Ocean,Air

Packing: wooden case

Production Capacity: 100 sets

Delivery Date: 7 working days

made in china wuhan city, huaying electric power.

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