功能概述：
1. 四端测量法.
2. 配置不同测量装置测试不同类型材料之电阻率.
3. 液晶显示，温度补偿功能.
4. 自动量程，自动测量电阻，电阻率，电导率数据.
5. PC软件过程数据处理.
6. 标准电阻校准仪器.
7. 恒流源输出.
8. 薄膜按键操作
9. 中文或英文两种语言界面选择.
适用范围：
1. 适用于生产企业、高等院校、科研部门，实验室.
2. 检验和分析导体材料质量的工具.
3. 参考人体工学操作规范.
规格及型号
规格型号models Specification | HTZ-300A1 | HTZ-300A2 | HTZ-300A3 | HTZ-300A4 |
电阻Resistance | 10-7～2×107Ω | 10-6～2×107Ω | 10-5～2×106Ω | 10-4～2×105Ω |
2.电阻率范围Resistivity range | 10-8～2×108Ω-cm | 10-7～2×108Ω-cm | 10-6～2×107Ω-cm | 10-2～2×107Ω-cm |
3.电导率Conductivity | 5×10-8～108s/cm | 5×10-8～107s/cm | 5×10-7～106s/cm | 5×10-7～102s/cm |
4.测试电流范围Test current range | 1μA，10μA，100µA，1mA，10mA，1000mA | 1μA，10μA，100µA，1mA，10mA | ||
5.测量电压量程 Measuring voltage range | 测量电压量程/ Measuring voltage range：2mV 20mV 200mV 2V 测量精度:±（0.1%读数）/ Measuring accuracy±0.1% 分辨率/ Resolution： 0.1uV 1uV 10uV 100uV | |||
6.电流精度Current | ±0.1%读数accuracy | ±0.2%读数accuracy | ±0.2%读数accuracy | ±0.3%读数accuracy |
7.电阻精度Resistance | ≤0.3% accuracy | ≤0.3% accuracy | ≤0.3% accuracy | ≤0.5% accuracy |
8.显示读数Display | 液晶显示：电阻值、电阻率、电导率值、温度、单位自动换算、横截面、高度、电流、电压等 LCD: resistance. resistivity. conductivity. temperature. automatic unit conversion. cross section. height. current. voltage. etc. | |||
9.测试方式method | 四端测量法Four-terminal measurement method | |||
10.测量装置（治具）Measuring device (fixture) | 选购Choose to buy 1.标准方体和圆柱体测量装置Standard cube and cylinder measuring device：测试行程：L70mm*W：60mm 2.定制治具Fixture customized. | |||
11.工作电源Working power | AC 220V±10%.50Hz功 耗/ Power consumption：<30WH | |||
12. 主机外形尺寸 | 约330mm*350mm*120mm Overall dimensions | |||
13.净重量weight | 约6kgNet weight | |||
14.标配外选购 Option to purchase | 1.标准校准电阻1-5个；2.PC软件*套；3.电脑和打印机依据客户要求配置；4.计量证书1份 1 standard calibration resistor 1-5pcs; 2.PC software a set; 3 Computer and printer are configured according to customer requirements; 4 Measurement certificate 1pcs | |||
