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項目清單
產品資訊

一機檢測線束/連接器電氣特性,包含導通、斷短路、耐壓絕緣、電阻、電容
MICROTEST 8740NAK線材測試儀,量測技術採用二線式量測,對於不需要量測到非常低阻的產品,考量到測試治具的成本因素下可選型8740NAK,測試項目包含導通阻抗、斷/短路、AC/DC安規耐壓、IR絕緣、元件(電阻/電容/二極體),測試點位可選型1024點,AC耐壓輸出最高700V,DC耐壓輸出最高1000V,支援PC連線軟體與BAR Code掃描,滿足線材連接器生產自動線測試要求。
線材測試儀
Model:
8740NAK
Maker:
MICROTEST
8740NAK專為線材連接器廠帶來更高效率的檢測儀器,提昇測試點數至1024點,滿足多點位連接器或汽車花線進行導通、耐壓絕緣、斷短路測試
認識汽車線束的工藝
汽車線束工藝 | |
汽車電線大多都是銅質多蕊軟線,這些軟線細如毛髮,利用塑料絕緣管包覆幾條到數十條的軟線,呈現柔軟不易折斷,在汽車產業內常用的規格標稱截面積有0.5、0.75、1.0、1.5、2.0、2.5、4.0、6.0等平方毫米的電線,具備不同負載的電流值,適用於不同功率用電的設備之導線。 | |
以整車線束為案例 | |
截面積規格 | 應用 |
0.5 | 儀表燈、指示燈、門燈 |
0.75 | 牌照燈、前後小燈 |
1.0 | 霧燈、轉向燈 |
1.5 | 大燈、喇叭 |
2.5-4 | 主電源線、發電機電樞線 |
生產製程常見的不良 | |
製程中容易在剝線、壓接端子因操作不良破壞絕緣層或是端子錯位等瑕疵,造成導通或絕緣不良。 | |
利用電性檢測把桿汽車線束工藝品質 | |
導通測試 | 檢測端子壓接是否有接觸阻抗性問題 |
耐壓測試 | 檢測迴路接點之間是否符合絕緣特性 |
阻值測試 | 檢測端子接點是否有間接性短路/開路問題 |
功能特點
- 二線式測量導通技術
- 測試點數支援1024點
- AC耐壓最高700V
- DC耐壓最高1000V
- 絕緣阻抗測試
- 導通阻抗 / 斷短路 / 快速瞬斷測試
- 支援BAR Code掃描
- 支援連結列表機列印數據
- 可選購PC Link軟體
- 支援多組產品測試
規格
Model | 8740NAK |
AC Hi pot Test | 100V-700V |
DC Hi pot Test | 50V-1000V |
Test Pin | 1024 |
Model | 8740NK |
AC Hi pot Test | – |
DC Hi pot Test | 50V-1000V |
Test Pin | 1024 |
Model | 8740NAK/8740NK |
Safety Hi pot Test | |
AC Hipot Leakage Current | 0.01mA -5mA |
DC Hipot Leakage Current | 0.1µA-1000µA |
DC Hipot Insulation Resistance | 1MΩ-1.2GΩ |
Hipot Output Accuracy | ±5% |
Hipot Measurement Accuracy | ±5% |
Rated Output | 5Vdc |
Hipot Measurement Time | 0.01 – 60 |
Wire Specifications | Maximum allowable capacitance 5μF |
Low Voltage Electrical Test | |
Measuring Mode | 2-Wire Test |
Conductance | 100mΩ-52Ω |
Intermittence Conductance | 100mΩ-52Ω |
O/S
Intermittence O/S Quick Intermittence open circuit |
1kΩ-100kΩ |
O/S Determinal Judge | ● |
Single-Side Test | ● |
Component test | |
Resistance | Measurement Range
100mΩ-2MΩ |
Level Signal
2.4V (Fixed) |
|
Current Signal
35mA |
|
Capacitance | Measurement Range
10pF-3µF |
Level Signal
1.2V (Fixed) |
|
Frequency Signal
AUTO Gear (Fixed) 48Hz/480Hz/4.8kHz/48kHz |
|
Diode | Measurement Range
0-7V |
Other Function | |
Advanced Functions | Programmable continuous test / Pin
search/Auto-diagnosis |
Test Scan Mode | Auto, Manual, External Trigger |
Measurement Signal | Low Voltage Measurement Signal |
Panel | System/Rapid /Edit / Function |
Indicator | Pass/Fail HV LED red-green indicator
lights / Screen Display /Sound |
Operation | Manual, Auto, Remote Control |
Built-in Storage | Number of test file up to 500 sets |
Power Supply | Fixed Voltage
115/230 Vac ±10% |
Frequency
60/50Hz |
|
Power consumption | 300VA |
Environment | Temperature
0℃-40℃ |
Humidity
RH≦75% |
|
Display | 320*240 dot-matrix display |
Dimension
(W*H*D) & Weight |
435x270x360 mm
18Kg |
Interface | RS-232, USB Host, Print, Remote |