汽车线束电压降测试系统是通过测试
电压降、接触电阻、温升是车用电线束插接器在强电流电路和弱电流电路下电性能评定指标；集成电路芯片控制，恒流源供给输出，液晶显示，提供USB、232通讯接口；可外接控制单元；选购PC软件系统，分析电流、时间、温升、接触电阻和电压降变化曲线及数据模型；适用于科研院所、企业研发、进料检验和质量部门..是用于显示，开关，连接器，触点压降测试的。
Voltage drop. contact resistance and temperature rise are the electrical performance evaluation indexes in the circuit of strong current circuit and weak current circuit.Integrated circuit and high-precision chip control. constant current supply output. LCD display. Provide USB. 232 communication interface.External control unit.Choose to buy PC software system. analyze current. time. temperature rise. contact resistance and voltage drop curve and data model. It is suitable for providing more accurate and reliable data assurance for technical departments such as research institute. enterprise R&D.
汽车线束电压降测试系统
二.原理Principle：
通过电流、电压和时间，来检测电线束插接器电压降、接触电阻和温升变化关系.
.Based on the current. voltage and time to detect Voltage drop of Electrical beam splitter .Relation between contact resistance and temperature rise change.
三.适用范围Scope of application：
汽车线束电压降测试系统是通过测试
用于电线束、插接器、开关触点、继电器、汽车开关等相关产品之接触电阻、温升、电压降或负载测量，
Widely used in measuring contact resistance. temperature rise. voltage drop. or load of electric wire beams. plug. switch contact. relays. automotive switch and other related products.
四.参照标准Standards：
QC/T 730 ;ISO 6722：2002 GB/T 2951; GB/T 3048； QC/T29106; QC/T413 ;QC/T413-2002；SAE/USCAR38 2009 .
五.参数资料： data
| 测量项目/ Measurement items |
规格/ Technical specifications |
分辨率
Accuracy |
1.测试电流DC（选购
Test current(choose to buy) |
0-10.000A |
00.001A |
2.测试电压（开路）
test voltage(open circuit) |
DC0-30V |
0.01V |
| 3.电压降范围voltage drop range |
0-1999.99mV |
0.01mV |
| 4. 测试时间test time |
测试时间0.01S—99.99H任意设定
Test time 0.01S—99.99H can be set freely. |
| 5．温升范围temperature rise range |
常温-500度，精度0.5度
Normal temperature -500 degree，accuracy 0.5 degree. |
| 6.接触电阻contact resistance |
0.1μΩ—2KΩ.分辨率resolution 0.01μΩ |
| 7. 统计功能Statistical function |
：0-99999 |
| 8. 测量模式Measurement mode |
一般材料类和电线束类General materials and wire harness |
7. 电压降设定
Voltage drop setting |
上下限设定功能及声光报警
Upper and lower limit setting function and overrun sound and light alarm |
| 8.设备管理Device Management |
仪器管理密码设定，自我校准，数据管理。存储功能
Instrument Manager password settings. self-calibration. data management.storage function. |
- 校准分流器（选购）
Calibration shunt(choose to buy) |
0.2级标准分流器75mv自我校准仪器，
10A.75mv； |
| 10.语言language |
提供中文或英文两种供选择providing Chinese or English language versions available. |
| 11.电源输入power supply |
AC220V+10%; |
12.环境要求
Environmental requirements |
仪器使用环境要求Environmental requirements：工作温度：10℃－30℃，湿度：≤65%RH |
| 13. 治具fixture |
依据产品选购治具1付或者定制Choose to buy fixture 1 pay based on product or customized. |
| 14.外部单元External unit |
提供USB;232接口；选购：PC软件，电脑，打印机及其他控制单元Provide USB. 232 interface. choose to buy: PC software. computers. printers and other control units. |
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