S-500電力電纜故障測距機適合於電力電纜的高阻、閃絡、斷線、低阻等類型故障的精確測距。采用國際先進的電子測試技術和單片機技術，結合瞭低壓脈沖反射和脈沖電流兩種測試方式，
低壓脈沖反射法用於電纜的低阻和斷線故障測距，以及測量各種電纜的長度或波速度。脈沖電流法分為沖擊高壓閃絡法和直流高壓閃絡法兩種測試方法，分別用於電纜的高阻和閃絡型故障測距。
主要特點
● 智能化程度高。能夠自動判斷故障點是否放電，自動計算故障距離。
● 采用電流傳感器測量流過地線的脈沖電流信號，與傳統的閃測機利用電阻電容分壓器測量脈沖電壓信號的方法相比，接線簡單、方便；而且把機器與高壓回路從電氣上隔離，安全性好。
● 采用中文菜單技術，易於掌握和使用。
● 可以永久保存20個測試波形，關機後不丟失，替代打印機功能。使用時鐘標志，便於翻看波形檔案。
● 采用具有背光功能的大屏幕液晶。可以通過按鍵調整液晶的顯示亮度。
● 采用可充電鎳氫電池，自動充電管理。
技術指標
● 最大測試距離：10km
● 測試精度：
測試距離小於1Km時，測試誤差不大於±1m
測試距離大於1Km時，測試誤差不大於0.5%
● 測試盲區：小於10m
● 充電時間約5小時
● 連續工作時間大於10小時
● 功耗：2W
● 使用環境溫度：-10°C-- +45°C
● 體積：235×190×110，重量：2Kg
S-500 Power Cable Fault Locator
Most power cables were buried underground, invisible, and out of reach. It is very difficult to find faults and often have to take long time to search them, not only a waste of manpower, material, but will also cause incalculable power failure loss. With modern new power cable fault testing equipment, it can find the fault point quickly, solve problems immediately and restore power supply.
i.Introduction
S-500 Power Cable Fault Locator adopts international advanced electronic testing technologies and SCM technology, and combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.
Low-voltage pulse reflection method applies to test the range of the low resistance and broken line, and the length and wave velocity of various cables. Pulse current testing method can be divided into breakthrough high-voltage flashover and DC high-voltage flashover for the high resistance and flashover cable fault finding.
ii.Features
● Combines low-voltage pulse reflection and pulse current testing methods, is suitable for the precise range finding of power cable high resistance, flashover, disconnection, and low resistance.
● With high degree of intelligence, it can automatically determine whether the failure point discharge or not and automatically calculate the fault distance.
● Compare with the traditional flash measurement instrument, which use resistance and capacitance divider measuring pulse voltage signals, the current sensor tests the pulse current signals in the grounding line with simple and convenient wiring, and good security with isolation of high-voltage equipment and the electrical circuit.
● High testing accuracy:
When the distance＜1km, the test error ≤±1m
When the distance﹥1km, the test error ≤0.5%.
● English menu, easy to master and use.
● It can preserve 20 testing waveforms permanently, no loss after the shutdown, is a replacement of printer. With a clock logo, you can read waveform file easily.
● Using a large LCD screen with backlight. Adjusting LCD display brightness through pressing keys.
●Rechargeable nickel-metal hydride batteries, automatic charger management.
● Small size, light weight, and portable design
iii.Specifications
Measurement range: 10km
Testing accuracy: distance＜1km test error ≤±1m
distance﹥1km test error ≤0.5%
Testing blind point:＜10m
Charging time: 4 hours
Continuous operating time: 10 hours
Power: 2W
Operating temperature:-10℃--+40℃
Dimension (mm):235×190×110
Weight: 2kg
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