Промышленный цифровой инфракрасный термометр
US $4.40-$4.60
VLF-50Kv очень низких частот переменного тока высокого напряжения контрольно-измерительный прибор для испытания под высоким
- Категория: Other Electrical Instruments >>>
- Поставщик: Zhejiang,Bangzhao,Electric,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-18-2025 | 19040.70 $* | 19992.49 $* |
| Aug-18-2025 | 18880.67 $* | 19824.7 $* |
| Jul-18-2025 | 15840.67 $* | 16632.29 $* |
| Jun-18-2025 | 18560.38 $* | 19488.22 $* |
| May-18-2025 | 16160.71 $* | 16968.33 $* |
| Apr-18-2025 | 18240.94 $* | 19152.46 $* |
| Mar-18-2025 | 18080.18 $* | 18984.15 $* |
| Feb-18-2025 | 17920.52 $* | 18816.44 $* |
| Jan-18-2025 | 17760.43 $* | 18648.41 $* |
Характеристики
Product Description
Specification
VLF-50Kv Very Low Frequency Ac High Voltage Test Instrument For Testing High Voltage Cables
BVLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.
The product 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 sinusoidal wave form. The printer outputs test reports. In addition, the product has features as follows:
Features
Large touch screen：It adopts 7-inch touch screen and the latest ARM7 microcontroller.
Advanced technology：Using digital frequency conversion technology, microcomputer control, step-up, step-down, measurement,
protection and other testing processes are fully automated.
Easy to operate：The wiring is simple and fool-proof operation.
Comprehensive protection: Multiple protections (overvoltage protection, high and low voltage side overcurrent protection), rapidaction (action time ≤ 10ms), the instrument is safe and reliable.
Safe and reliable：The controller and the high-voltage generator are connected with low voltage, photoelectric control, safe and reliable to use.
High and low voltage closed loop circuit：High and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity increase effect.
Complete configuration：Capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing.
Large test range：0.1Hz,0.05Hz and 0.02Hz Multiple frequency selection, large test range.
Small size and light weight：Very conducive to outdoor operations.
Chinese-English switching function：Chinese-English switching, using imported high-voltage electronic switch to switch polarity.
High-speed AD acquisition circuit, and equipped with USB background management software.
Longer life and lower failure rate.
BVLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.
The product 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 sinusoidal wave form. The printer outputs test reports. In addition, the product has features as follows:
Features
Large touch screen：It adopts 7-inch touch screen and the latest ARM7 microcontroller.
Advanced technology：Using digital frequency conversion technology, microcomputer control, step-up, step-down, measurement,
protection and other testing processes are fully automated.
Easy to operate：The wiring is simple and fool-proof operation.
Comprehensive protection: Multiple protections (overvoltage protection, high and low voltage side overcurrent protection), rapidaction (action time ≤ 10ms), the instrument is safe and reliable.
Safe and reliable：The controller and the high-voltage generator are connected with low voltage, photoelectric control, safe and reliable to use.
High and low voltage closed loop circuit：High and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity increase effect.
Complete configuration：Capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing.
Large test range：0.1Hz,0.05Hz and 0.02Hz Multiple frequency selection, large test range.
Small size and light weight：Very conducive to outdoor operations.
Chinese-English switching function：Chinese-English switching, using imported high-voltage electronic switch to switch polarity.
High-speed AD acquisition circuit, and equipped with USB background management software.
Longer life and lower failure rate.
Output frequency：0.1Hz，0.05Hz，0.02Hz
Load capacity：
0.1Hz max 1.1μF
0.05Hz max 2.2μF
0.02Hz max 5.5μF
Measurement accuracy：3%
Voltage positive and negative peak error：≤3%
Voltage waveform distortion：≤5%
Conditions of Use：indoor，outdoor；
Temperature：-10℃-+40℃
Humidity：≤85%RH
Power：110KV-260KV(+-5%)
Load capacity：
0.1Hz max 1.1μF
0.05Hz max 2.2μF
0.02Hz max 5.5μF
Measurement accuracy：3%
Voltage positive and negative peak error：≤3%
Voltage waveform distortion：≤5%
Conditions of Use：indoor，outdoor；
Temperature：-10℃-+40℃
Humidity：≤85%RH
Power：110KV-260KV(+-5%)
Model | Peak voltage | Measuring range | Weight | Purpose |
BVLF-30 | 30KV | 0.1Hz,≤1.1µF | Controller: 4 kg Booster: 25 kg Size: L*W*H 323*174*323 | 10KV and below voltage cable, generator |
0.05Hz,≤2.2µF | ||||
0.02Hz,≤5.5µF | ||||
BVLF-40 | 40KV | 0.1Hz,≤1.1µF | Controller: 5 kg Booster: 30 kg Size: L*W*H 357*208*343 | 13.8KV and below voltage cable, generator |
0.05Hz,≤2.2µF | ||||
0.02Hz,≤5.5µF | ||||
BVLF-50 | 50KV | 0.1Hz,≤1.1µF | Controller: 6 kg Booster: 45 kg Size: L*W*H 357*210*365 | 15.75KV and below voltage cable, generator |
0.05Hz,≤2.2µF | ||||
0.02Hz,≤5.5µF | ||||
BVLF-60 | 60KV | 0.1Hz,≤1.1µF | Controller: 6 kg Booster: 50 kg Size: L*W*H 357*220*370 | 18KV and below voltage cable, generator |
0.05Hz,≤2.2µF | ||||
0.02Hz,≤5.5µF | ||||
BVLF- 90 | 90KV | 0.1Hz,≤1.1µF | Controller: 8 kg Booster: 90 kg Size: L*W*H 357*240*390 | 35KV and below voltage cable, generator |
Compare content | Power frequency withstand voltage | Frequency withstand voltage | 0.1Hz Withstand voltage | DC withstand voltage |
Equivalence | Good | Good | good | poor |
Insulation destructive | small | small | small | big |
Operational safety | Lower | Lower | high | Lower |
Test wiring | complex | most complicated | the easiest | complex |
Equipment volume | maximum | larger | small | least |
0.1Hz Pressure equipment type | High voltage control method | High voltage waveform | Energy saving | noise | Mechanical life | Electric life |
Mechanical | High voltage mechanical switch to switch polarity | Square wave | Not energy efficient： Use high-power resistors to consume excess energy | high-up | short | short |
Electronic | High voltage electronic switch to switch polarity | Sine wave | Energy saving：Feed excess power back to the grid | slight | No | long |
Company Profile
Bangzhao Electric Co.,Ltd is a company who was established in 2008 and specialized in developing and supplying of power products. The high performance of its products stems from the cutting-edge technology developed by the domestic top 100 engineers. During the past 10 years, we have been providing the best system solutions of pure sine wave inverter,solar pump inverter,explosion-proof inverter,DC combiner box,controller,AC to DC battery cabinet ,power phase converter etc. to customers, it is widely applied in the industry of solar energy,wind power,water power,car,ship,train,hospital, aviation,military automation,etc.
We believe that through our continuous efforts and pursuit,we can become one of the most influential enterprises between domestic big-power inverter manufacturers.
Bangzhao Electric Co., Ltd. regard technological innovation and best service as the fundamental of business development. The annual technology development investment cost is more than 20% of the annual sales, with an experienced and top professional research and development team, obtained a number of certificate and patent of power products, we are cooperation supplier of many famous companies.
"High Efficient, Rigorous, Pragmatic" is the continuous pursuit of the Bangzhao Electrical. Facing today and the future, we will provide more professional and perfect services to the public who support and trust Bangzhao Electric.
We believe that through our continuous efforts and pursuit,we can become one of the most influential enterprises between domestic big-power inverter manufacturers.
Bangzhao Electric Co., Ltd. regard technological innovation and best service as the fundamental of business development. The annual technology development investment cost is more than 20% of the annual sales, with an experienced and top professional research and development team, obtained a number of certificate and patent of power products, we are cooperation supplier of many famous companies.
"High Efficient, Rigorous, Pragmatic" is the continuous pursuit of the Bangzhao Electrical. Facing today and the future, we will provide more professional and perfect services to the public who support and trust Bangzhao Electric.
FAQ
1. who are we?
We are based in Zhejiang, China, start from 2013,sell to Domestic Market(15.00%),North America(15.00%),South America(11.00%),Oceania(10.00%),Central America(7.00%),Western Europe(6.00%),Southern Europe(5.00%),Northern Europe(5.00%),Africa(5.00%),South Asia(5.00%),Eastern Asia(5.00%),Eastern Europe(5.00%),Southeast Asia(4.00%),Mid East(2.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pure sine wave inverter,charge controller,single-three phase converter,PV combiner box,water pump inverter
4. why should you buy from us not from other suppliers?
Yueqing Bangzhao Electric Co.,Ltd specialized in the new energy source and electrical source scientific research, development, manufacture and service had surpasses for 10 years of electrical source field.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery；
Accepted Payment Currency:USD,EUR,AUD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish
We are based in Zhejiang, China, start from 2013,sell to Domestic Market(15.00%),North America(15.00%),South America(11.00%),Oceania(10.00%),Central America(7.00%),Western Europe(6.00%),Southern Europe(5.00%),Northern Europe(5.00%),Africa(5.00%),South Asia(5.00%),Eastern Asia(5.00%),Eastern Europe(5.00%),Southeast Asia(4.00%),Mid East(2.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Pure sine wave inverter,charge controller,single-three phase converter,PV combiner box,water pump inverter
4. why should you buy from us not from other suppliers?
Yueqing Bangzhao Electric Co.,Ltd specialized in the new energy source and electrical source scientific research, development, manufacture and service had surpasses for 10 years of electrical source field.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery；
Accepted Payment Currency:USD,EUR,AUD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish
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