多功能電氣安全測試儀

MI 3125是一款多功能電器安全測試儀，其輕量化設計與易用性尤為突出。整合式保險絲與漏電斷路器特性、輔助操作畫面、紅綠LED即時顯示測試結果（合格/不合格），以及在線電壓監測功能，使MI 3125成為快速簡便檢測電氣裝置的理想選擇。

適用標準

• 建築物低壓電氣裝置
• EISinsp 能力：低壓電氣裝置安全檢查
• EISc 能力：承包商與維護人員之低壓電氣裝置安全
• IEC/EN 60364 建築物電氣裝置系列
• IEC/EN 60364-6 建築物電氣裝置－驗證
• IEC/EN 60364-4-41 建築物電氣裝置－防觸電保護
• IEC/EN 60364-5-52 建築物電氣裝置－配線系統
• IEC/EN 60755 殘餘電流操作保護裝置通用安全要求
• IEC/EN 61008-1 家用及類似用途之無內建過電流保護之殘餘電流操作斷路器（RCCBs）
• IEC/EN 61557 交流電壓1,000伏特及直流電壓1500伏特以下之低壓配電系統電氣安全－防護措施之測試、測量或監測設備－系列
• IEC/EN 61557-1 交流電壓不超過 1,000 V 及直流電壓不超過 1,500 V 之低壓配電系統電氣安全 - 保護措施之測試、量測或監測設備 - 第 1 部分：一般要求
• IEC/EN 61557-6 交流電壓不超過 1,000 V 及直流電壓不超過 1,500 V 之低壓配電系統電氣安全 - 用於保護措施之測試、量測或監測設備 - 第 6 部分：TT、TN 及 IT 系統中剩餘電流裝置 (RCD) 之效能
• VDE 0413 (IEC 61557) 交流電壓不超過 1,000 V 及直流電壓不超過 1,500 V 之低壓配電系統電氣安全 - 保護措施之測試、量測或監測設備 - 系列
• AS / NZ 3017 電力裝置 - 驗證指南
• AS / NZ 3018 電力裝置 - 家用裝置
• BS 7671 IEE 配線規範（第十八版）
• CEI 64.8 V4 額定電氣設備（交流電壓不超過1,000伏特，直流電壓不超過1,500伏特）

接地與防雷保護

• LPSinsp 專業能力：建築物防雷系統檢驗
• LPSc 專業能力：承包商與維護人員之建築物防雷系統
• IEC 62305 防雷保護系列標準

儀器使用者安全規範

• 電磁相容性指令 EMC 89/336/EE
• IEC/EN 61010 測量、控制及實驗室用電氣設備安全要求系列
• IEC/EN 61010-2-033 測量、控制及實驗室用電氣設備安全要求第 2-033 部分：家用及專業用途手持式萬用電錶及其它可測量市電電壓之儀錶的特殊要求

電磁相容安全

• IEC/EN 61326 量測、控制及實驗室用電氣設備 - 電磁相容要求 - 系列特性
• 測量功能
• 直流電壓下的絕緣電阻。
• 採用200 mA測試電流（帶極性反轉）檢測PE導體導通性。
• 線路阻抗。
• 迴路阻抗。
• 具備跳脫鎖定RCD功能的迴路阻抗。
• 真有效值電壓與頻率。
• 相序。
• RCD測試（通用與選擇性，AC型，A類）。

主要功能

• LED Pass/Fail 指示燈：液晶顯示器兩側各設有兩個LED指示燈，用於評估測試結果的Pass/Fail 狀態。
• 說明畫面：儀器內建完整說明畫面，供現場操作時參考。
• 內建保險絲表：此獨特功能可自動評估線路/迴路阻抗，並與規範進行比對。
• 線上電壓監測：即時監控三相電壓狀態。
• 可升級性：法規變更時可更新韌體，確保儀器符合最新規範。
• 極性切換：導通測試時自動反轉極性。
• 絕緣測試範圍：50V至1,000V寬範圍絕緣測試電壓，量測上限達1,000MΩ。
• 跳脫鎖定功能：Zs（RCD）功能執行迴路阻抗測試時不會觸發RCD跳脫。
• 多系統測試：適用於單相與多相TT及TN系統測試。
• 內建充電器與可充電電池：裝置配備內建充電電路，並隨附一套可充電鎳氫電池。
• RCD自動測試：自動化RCD測試程序大幅縮短檢測時間。

應用範圍

預防性維護

• 接地連續性與絕緣測試
• 線路與迴路阻抗及漏電斷路器測試
• 基本接地電阻
• 電壓測量
• 電流測量
• 頻率測量

故障排除

• 安裝故障排除

技術數據

• 尺寸：140 x 80 x 230 mm
• 質量：1.0 kg

The MI 3125 is a multifunctional installation safety tester which is distinguished by lightweight design and usability. Integrated characteristics of fuses and RCDs, help screens, red and green LEDs for PASS / FAIL evaluation of test results online voltage monitor make the MI 3125 ideally suited for fast and easy testing of electrical installations.

Building LV Installation

• EISinsp Competences: Low Voltage Electrical Installation Safety Inspection

• EISc Competences: Low Voltage Electrical Installation Safety for Contractors and Maintainers

• IEC/EN 60364 Electrical Installations for Buildings series

• IEC/EN 60364-6 Electrical Installations for Buildings - Verification

• IEC/EN 60364-4-41 Electrical Installations for Buildings - Protection against electric shock

• IEC/EN 60364-5-52 Electrical Installations for Buildings - Wiring system

• IEC/EN 60755 General safety requirements for residual current operated protective devices

• IEC/EN 61008-1 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs)

• IEC/EN 61557 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - series

• IEC/EN 61557-1 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements

• IEC/EN 61557-6 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems

• VDE 0413 (IEC 61557) Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - series

• AS / NZ 3017 Electrical installations – Verification guidelines

• AS / NZ 3018 Electrical installations - Domestic installations

• BS 7671 IEE Wiring Regulations (18th edition)

• CEI 64.8 V4 rated electrical equipment not exceeding 1,000 VAC and 1,500V DC current

Earthing and lightning protection

• LPSinsp Competences: Lightning Protection of Buildings Inspection
• LPSc Competences: Lightning Protection of Buildings for Contractors and Maintainers
• IEC 62305 Protection against lightning - series

EMC safety

• IEC/EN 61326 Electrical equipment for measurement, control and laboratory use - EMC requirements - series

Measuring functions

• Insulation resistance with DC voltage.
• Continuity of PE conductors with 200 mA test current with polarity change.
• Line impedance.
• Loop impedance.
• Loop impedance with Trip Lock RCD function.
• TRMS voltage and frequency.
• Phase sequence.
• RCD testing (general and selective, type AC, A).

Key features

• LED Pass/Fail indicators: two LED indicators for PASS / FAIL evaluation of test results are placed on both sides of the LCD.
• Help screens: instrument comes complete with built-in help screens for referencing on site.
• Built-in fuse tables: this unique feature allows automatic evaluation of the line / loop impedance compared to the regulations.
• Online voltage monitoring: monitors all 3 voltages in realtime.
• Upgradeable: if changes occur to the regulations, upgrades can be made to the firmware to keep the unit up to date.
• Polarity swap: automatic polarity re-versal on continuity test.
• Insulation range: wide range of insulation test voltages from 50 V to 1000 V, reading up to 1000 MΩ.
• Trip Lock function: Zs (RCD) function performs a loop impedance test without tripping the RCD.
• Multisystem testing: tests on single and multiphase TT and TN systems.
• Built-in charger & rechargeable batteries: unit has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries.
• RCD auto: automated RCD testing procedure significantly reduces test time.

Applications

Preventative maintenance

• Earth continuity and insulation testing
• Line and loop impedance and RCD testing
• Basic earth resistance
• Voltage measurements
• Current measurements
• Frequency measurements

Troubleshooting

• Installation troubleshooting

Technical data

• Dimensions: 140 x 80 x 230 mm
• Mass: 1.0 kg