簡介
MPK204e
- 輕量強固、微處理器控制型、IP54防護等級（關閉上蓋時），適用於實驗室及現場。
- 解析度低至0.1μΩ；電阻讀值達200Ω；測試電流達200A。
- 採用Kelvin型4線式測量法。
- 使用內部電池（最高可達10A測試電流）或主要電源供電（最高可達200A測試電流）。
- 數位式直接讀值與顯示可達4½位數。
- 過熱保護；配備USB串列資料輸出介面。
- 應用：用於測量斷路器與開關、匯流排、變壓器繞組及發動機…等的極低接點電阻。
- 輕量、強固、微處理器控制型、IP54防護等級（關閉上蓋時），適用於實驗室及現場。
- 字母數字顯示幕。
- 解析度低至：0.1μΩ。
- 電阻讀值達：200Ω。
- 測試電流達：200A。
- 採用Kelvin型4線式測量法。
- 使用內部電池（最高可達10A測試電流）或主要電源供電（最高可達200A測試電流）。
- 數位式直接讀值與顯示可達4½位數。
- 過熱保護。
- 配備USB串列資料輸出介面。
- 應用：用於測量斷路器與開關、匯流排、變壓器繞組及發動機…等的極低接點電阻。
- 系統簡介：
- 在字母數字顯示幕上顯示電阻讀值，可達4½位數解析度。
- 能以解析度達0.1μΩ測量電阻達200Ω。
- 使用內部可充電電池操作，可在設備不連接主電源的情形下，使用最高達10A的測試電流進行測量。
- 使用主要電源操作時，可使用最高達200A的測試電流進行測量。
- 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。
- 測試電流可由操作員在每個刻度上進行調整，並以類比條狀圖形式顯示其數值，因此，可以很容易地測量具有明顯電感分量的電阻，例如大型變壓器繞組。
- 具有一個USB介面，可連接至印表機、電腦或任何資料蒐集器，以記錄測量值。
- 讀值保持（HOLD）功能，可在按下對應的按鍵時，將螢幕上的測量值保持在某一個時間點上。
- 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。
- 在所有敏感組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，能在實驗室與現場皆提供優異的性能。
- 測試電流：
- 1mA、10mA、100mA、1A、10A、200A。
- 每個電流都可從0到100%連續調整。
- 電阻範圍：
- 0～2000μΩ@200A。
- 0～20mΩ@10A。
- 0～200mΩ@1A。
- 0～2000mΩ@100mA。
- 0～20Ω@10mA。
- 0～200Ω@1mA。
- 解析度：
- 0.1μΩ@200A。
- 1μΩ@10A。
- 10μΩ@1A。
- 100μΩ@100mA。
- 1mΩ@10mA。
- 10mΩ@1mA。
- 測量原理：4端點，Kelvin型。
- 連續操作時間：
- 200A：可連續操作約3分鐘，才啟動熱保護功能。
- 10A或更低：可連續操作的時間不限制。
- 熱保護：可保護所有敏感元件，避免因過熱造成任何損壞。
- 基本精度：
- R＜0.5mΩ：±（0.50% rdg.+ 2 ULSD *）。
- R ≧ 0.5mΩ：±（0.20% rdg.+ 2 ULSD *）。
*最小有效位數的單位。 - 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。
- 測試電流測量：
- 電流是經數位式測量及以條狀圖顯示結果。
- 當測量電感性負載時，條狀圖指示特別有用，因為操作員可以在測試電流穩定時輕易驗證。
- 介面：USB。
- 防護等級：IP54，關閉上蓋時。
- 安全等級：符合IEC 61010-1:1990、IEC 61010-1:1992修訂2的要求。
- 電源：
- 使用主要電源或內部電池供電。
- 內部電池：可充電式密封鉛酸電池（最高可達10A測試電流）。
- 主要電源：220 - 240V~（最高可達200A測試電流）。
- 內部電池充電器：適用於220 - 240V~主要電源。
- 體積/重量：502x394x190mm/16kg。
- 詳細規格、配件、軟體及選購，歡迎洽詢。
- Microprocessor controlled
- Alphanumerical display
- Resolution: 0.1 μΩ
- Resistance reading: up to 200 Ω
- Up to 200 A test current
- Kelvin-type (4-Wires) measurement
- Powered by rechargeable battery (up to 10A) or mains supply
- Direct reading (up to 4½ digits)
- Overheating protection
- Serial data output (USB)
- 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 200 A.
- Description:
- Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution.
- It allows to measure resistances up to 200 Ω, with a resolution of up to 0.1 μΩ.
- Using its internal rechargeable battery, measurements with up to 10 A test current may be carried out without connecting the equipment to mains power.
- Powered by to mains power, it allows to measure with any test current up to 200 A.
- Measurement accuracy is guaranteed by an state-of-the-arts signals amplification system, offset-free and of high long-term stability.
- Test current may be adjusted by the operator in every one of the scales and their values are measured using an analog indicator (bargraph), making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.
- It has a USB interface that may be connected to a printer, computer, or any data collector to register measured values.
- The Hold function keeps in the display the measured value at a certain time-point, when the corresponding key is pressed.
- The high-current generation system is based on modern technology that allows to significantly decrease both its weight (35.27 lb) 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 damaged caused to the instrument due to overheating.
- This is strong but lightweight equipment, and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions offering an excellent performance working both in the laboratory and out in the field.
- TEST CURRENTS:
- 1 mA, 10 mA, 100 mA, 1 A, 10 A, 200 A
- Each current may be continuously adjustable from 0 to 100%.
- RESISTANCE RANGES:
- 0-2000 μΩ @ 200 A.
- 0-20 mΩ @ 10 A.
- 0-200 mΩ @ 1 A.
- 0-2000 mΩ @ 100 mA.
- 0-20 Ω @ 10 mA.
- 0-200 Ω @ 1 mA.
- RESOLUTION:
- 0,1 μΩ @ 200 A.
- 1 μΩ @ 10 A.
- 10 μΩ @ 1 A.
- 100 μΩ @ 100 mA.
- 1 mΩ @ 10 mA.
- 10 mΩ @ 1 mA.
- MEASUREMENT PRINCIPLE: Four-terminal, Kelvin-type.
- CONTINUOUS OPERATION TIME:
- At 200 A this equipment may be used continuously for aprox. 3 minutes before the thermal protection activates.
- At 10 A or less, there is not a limited time for continuous operation.
- THERMAL PROTECTION: Protects all sensitive components, avoiding any damage due to overheating.
- BASIC ACCURACY:
- R < 0.5 mΩ: ± (0.50% of reading + 2 ULSD*).
- R ≥ 0.5 mΩ: ± (0.20% of reading + 2 ULSD*).
* Units of the Least Significant Digit.
- ADVANCED FEATURES:
- Digital direct reading of very low resistances in the alphanumerical display, with up to 4½ digits.
- Very fast and accurate measurements.
- TEST CURRENT MEASUREMENT:
- The current is digitally measured and a bargraph shows the result.
- The bargraph indication is specially useful when measuring inductive loads, so that the operator can verify easily when the test current has been stabilized.
- INTERFACE: USB.
- ENVIRONMENTAL PROTECTION: IP54 with closed lid.
- SAFETY CLASS: Meets the requirements of IEC 61010-1:1990, IEC 61010-1:1992 amendment 2.
- POWER SUPPLY:
- Mains or internal battery powered.
- Internal battery: rechargeable, sealed lead-acid (for up to 10 A test current).
- Mains Supply: 220-240 V~ (for up to 200 A test current).
- BUILT-IN BATTERY CHARGER: For 220-240 V~ mains supply.
- EQUIPMENT WEIGHT: Approx. 16 kg.
- DIMENSIONS: 502 x 394 x 190 mm.
- Please feel free to contact for detailed specifications, accessories, software and options.