- Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical Or Surgical Instruments And Apparatus; Parts And Accessories Thereof
- Measuring Or Checking Instruments, Appliances And Machines, Not Specified Or Included Elsewhere In This Chapter; Profile Projectors.
- Instruments, Appliances And Machines For Measuring Or Checking, Not Elsewhere Specified In Chapter 90 (excl. Optical)
VLF Very Low Frequency Tester
Product Images
Product Property
Product Status : | New |
Sample Available : | no |
Shipment Terms : | fob |
Payment Mode : |
T/T,L/C,cash,cheque,Credit Card,WesternUnion,Negotiable |
Description
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
Table1. Parameters for very low frequency tester
Model | Rated Voltage / Current | Load Carrying Capacity | Product Structure / 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 |