Vlf Very Low Frequency Test Set for Cable

• After-sales Service: Life Time Support
• Warranty: 1 Year
• Type: Hipot Tester
• Accuracy Grade: 0.5
• Loading Method: Static Load
• Power Source: AC220V
• Model NO.: VIF
• Output Frequency: 0.1Hz, 0.05Hz, 0.02Hz
• Output Voltage: 30kv, 50kv, 60kv, 80kv or Others
• Capacity: 0.6kVA ~ 2.4kVA
• Power Supply: 220V 50Hz
• Product Name: Vlf Hi Pot Test Hv High Voltage Very Low Frequency
• Transport Package: Packed in Container
• Specification: packing in 3 cases
• Trademark: Gold
• Origin: Chongqing
• HS Code: 9031809090
• Production Capacity: 100PCS/Month Hipot Tester

Product Description

 Vlf Hi pot Test HV High Voltage Very Low Frequency AC Hipot Tester
 

Introduction:

• VLF  Cable High Voltage Tester, VLF Hipot Tester combines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost.
• The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output wave form. The printer outputs test reports.

 VLF Hipot Tester Parameters:

Type	Output Voltage/ Current	Load Capacity	Control Unit		Booster		Fuse  Tube
		Frequency/ Capacitance	Dim. (cm)	Wt (kg)	Dim. (cm)	Wt (kg)
VLF-30	30KV/20mA	0.1Hz ≤ 1.1uF 0.05Hz ≤ 2.2uF 0.02Hz ≤ 5.5uF	28× 37× 22	4	33× 18× 34	25	5A
VLF-40	40KV/30mA	0.1Hz ≤ 1.1uF 0.05Hz ≤ 2.2uF 0.02Hz ≤ 5.5uF	28× 37× 22	4	35× 20× 36	35	6A
VLF-50	50KV/40mA	0.1Hz ≤ 1.1uF 0.05Hz ≤ 2.2uF 0.02Hz ≤ 5.5uF	28× 37× 22	4	37× 24× 39	45	7A
VLF-60	60KV/50mA	0.1Hz ≤ 1.1uF 0.05Hz ≤ 2.2uF 0.02Hz ≤ 5.5uF	28× 37× 22	4	33× 18× 34 33× 18× 34	25+25	10A
VLF-70	70KV/55mA	0.1 Hz, ≤ 0.5µ F 0.05Hz, ≤ 1.0µ F 0.02Hz, ≤ 2.5µ F	28× 37× 22	4	33× 18× 34 35× 20× 36	25+35	10A
VLF-80	80KV/60mA	0.1 Hz, ≤ 0.5µ F 0.05Hz, ≤ 1.0µ F 0.02Hz, ≤ 2.5µ F	28× 37× 22	4	33× 18× 34 37× 24× 39	25+45	12A

VLF Hipot Tester Features:

1. Data of current, voltage, wave form can be directly sampled at high voltage side, so the data is real and accurate.  
2. Overvoltage protection: If the output exceeds the set limit of voltage, the instrument will shut-down to protect itself, the actuation time is less than 20ms.
3. Overcurrent protection: it is high-low voltage dual protection in the design, the accurate shut-down protection can be made according to the set value at high voltage side; If the current on low voltage side exceeds the rated current, the instrument will take shut-down protection, the actuation time are both less than 20ms.
4. A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protective resistor connected outside.  

 

Notes:

• Power supply requirement: AC50Hz, 220V, stability of frequency: fluctuation less than 0.5%.
• When using it, the capacitance of the sample should not exceed the rated capacity of the instrument. The overlow capacitance of the sample will affect the output wave form. If the capacitance is less than 0.05µF, the instrument cannot output normally.
• When using it, it is prohibited to boost voltage without load, or to connect with resistive load.

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