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可攜式100A大電流微歐姆計

TENTECH 100A High Current Micro-Ohmmeter 型號：MPK105x

字母數字顯示幕；數位式直接讀值與顯示可達4½位數。
解析度低至0.1μΩ；電阻讀值達300mΩ。
採用電壓/電流4線式測量法。
過電流、短路及過熱保護。
內建記憶體可儲存多達50筆記錄，每筆記錄80個讀值。
內建感熱式印表機。
應用：能以最高達100A的測試電流，精準測量高壓斷路器與開關、匯流排...等的極低接點電阻。

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產品特點產品規格 Features Specifications

- 字母數字顯示幕。
- 數位式直接讀值與顯示可達4½位數。
- 解析度低至：0.1μΩ。
- 電阻讀值達：300mΩ。
- 採用電壓/電流4線式測量法。
- 過電流、短路及過熱保護。
- 內建記憶體可儲存多達50筆記錄，每筆記錄80個讀值。
- 內建感熱式印表機。
- 應用：能以最高達100A的測試電流，精準測量高壓斷路器與開關、匯流排...等的極低接點電阻。
- 系統簡介：
  - MPK105x大電流微歐姆計為可攜式微處理器控制型儀器，配備適合在電氣變電所進行測量的最佳濾波器與保護功能。
  - 採用4端測試法（電壓/電流測量原理），可避免由測試導線及其接點電阻造成的測量誤差。
  - 先進的信號放大系統，能確保測量精度 - 無偏移及具有高度的長期穩定性。
  - 在字母數字顯示幕上顯示電阻讀值，可達4½位數解析度。
  - 可測量電阻達300mΩ，最佳解析度為0.1μΩ。
  - 測試電流可由操作員調整，並以類比條狀圖形式顯示其數值。
  - 內建記憶體可儲存多達50筆記錄，每筆記錄80個讀值。
  - 配備USB串列資料輸出介面，可連接至電腦，以便下載儲存的數值。
  - 大電流產生系統採用現代技術，可大幅減少儀器的重量與體積。
  - 機箱採用高度耐撞擊性塑膠材質製成。
  - 在所有敏感元件中的內部熱感測器，能避免因過熱而對儀器造成的任何損害。
  - 輕量、強固，單人即可輕鬆攜行；防水，並可在惡劣的天氣條件下使用（關閉上蓋時為IP54防護等級），能在實驗室與現場提供優異的性能。
- 測試電流：
  - 100A真DC。
  - 電流可從10%到100%以1A步階連續調整。
- 電阻範圍：0.1μΩ～300mΩ。
- 測量原理：4端點式，電壓/電流。
- 保護：過電流、短路及過熱保護。
- 可程式的測試時間：可設定測試時間5秒～120秒。
- 基本精度：±1% rdg. ±1位數。
- 先進功能：
  - 數位式直接讀取極低電阻值及顯示在螢幕上達4½位數。
  - 超快速及精準的測量。
- 內建感熱式印表機。
- 內建記憶體：可儲存多達50筆記錄，每筆記錄80個讀值。
- 串列資料輸出：USB介面。
- T-LOGGER軟體：操作簡便，有自動報告產生器功能，可附加操作者的註釋。
- 防護等級：IP54，關閉上蓋時。
- 安全等級：符合IEC 61010-1標準的要求。
- 電源：主要電源90 – 240V~，50/60Hz。
- 體積/重量：502x394x190mm/11kg。
- 詳細規格、配件、軟體及選購，歡迎洽詢。
- Alphanumerical display
- Direct reading (up to 4½ digits)
- Resolution: 0.1 µΩ
- Resistance reading: up to 300 mΩ
- U/I (4-wires) measurement
- Overheating protection
- Internal memory for up to 50 registers with 80 readings each
- Built-in printer
- Applications: Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 100 A.
- Description:
  - The MPK105x high-current micro-ohmmeter is a portable, microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations.
  - It employs the 4 terminals-method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances.
  - Measurement accuracy is guaranteed by a state-of-the-art signal amplification system, offset-free and of high long-term stability.
  - Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution.
  - It allows to measure resistances up to 300 mΩ, and the best resolution is 0.1 µΩ.
  - Test current may be adjusted by the operator and his value is measured using an analog indicator (bargraph).
  - It has an internal memory for up to 50 registers with 80 readings each.
  - The serial data output (USB) may be connected to a computer to download the stored values.
  - The high-current generation system is based on modern technology that allows to significantly decrease both its weight and size.
  - The cabinet is made of plastic material highly resistant to impacts and to environmental challenges.
  - Internal thermal sensors in all sensitive components avoid any damage caused to the instrument due to overheating.
  - This is a strong but lightweight equipment, and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions (IP54 with closed lid) offering an excellent performance working both in the laboratory and out in the field.
- TEST CURRENTS:
  - 100 A (True DC).
  - The current may be continuously adjustable from 10% to 100% in 1A step.
- RESISTANCE RANGES:
  - From 0.1 µΩ up to 300 mΩ
- MEASUREMENT PRINCIPLE: Four-terminal, U/I.
- PROTECTIONS: Overcurrent, short-circuit and overheating.
- PROGRAMMABLE TEST TIME: Allows to setup the test time from 5 seconds up to 120 seconds.
- BASIC ACCURACY: ±1 % of reading ± 1 digit.
- ADVANCED FEATURES:
  - Digital direct reading of very low resistances in the alphanumerical display, with up to 4½ digits.
  - Very fast and accurate measurements.
- BUILT-IN PRINTER: Allows print the measured values.
- BUILT-IN MEMORY: Capacity to store 50 registers with 80 readings each.
- SERIAL DATA OUTPUT: USB.
- T-LOGGER SOFTWARE: Friendly, easy to use software. With automatic report generator, including the operator's commentaries.
- ENVIRONMENTAL PROTECTION: IP54 (with closed lid).
- SAFETY CLASS: Meets the requirements of IEC 61010-1.
- POWER SUPPLY: Mains: 90-240 V~ 50/60 Hz.
- EQUIPMENT WEIGHT: Approx. 24.25 lb (11 kg).
- DIMENSIONS: 19.76" x 15.51" x 7.48" (502 x 394 x 190 mm).
- Please feel free to contact for detailed specifications, accessories, software and options.

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可攜式100A大電流微歐姆計

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