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关键词：LCR数字电桥,电子负载,扭力测试仪,程控耐压测试仪,直流低电阻测试仪,过程校验仪,变压器测试仪,台式万用表,匝间绝缘测试仪,扭力扳手.（点击关键词可进入相关产品目录）
Guardian1050 接地电阻测试仪特点：
Ø 可编程的输出电流0.01-45A AC
Ø 可编程的输出电压1.0 ~ 8.0 V
Ø 电阻的测量0.1-510 mΩ
Ø 可编程测试时间
Ø 大液晶显示菜单
Ø 内部存储99组数据
Ø 四终端开尔文连接
Ø 前面板锁定 防止更改测试条件
Ø I / O接口远程控制，RS232接口
Ø 通过内置软件校准
Guardian1050 接地电阻测试仪性能：
Output Current:
Range: 3.00A to 45A AC
Resolution: 0.01A, 3-30A; 0.1A, 30-45A
Accuracy:±(1.5% of setting +0.15A), I < 30A
Accuracy:±(1.5% of setting +0.2A), I > 30A
Frequency: 50 or 60 Hz, ±0.1%
Source Voltage:
Range: 1.0V to 8.0V rms
Resolution: 0.1Volt/step
Resistance:
Range: 0.1mΩ - 510mΩ
Accuracy:
10-30A, 10-150mΩ: ±(1% of reading +1mΩ)
30-45A, 10-100mΩ: ±(1% of reading +1mΩ)
All other ranges: ±(2% of reading +2.6mΩ)
Limits:
High: 0.1mΩ - 510mΩ
Low: 0.1mΩ - High Limit, or OFF
Offset:
0 to 100mΩ, On/Off
Indication:
Pass/Fail display, LEDs & audible alarm
Test Time:
0.5 to 999s, For I <40A
0.5 to 120s, For I >40A
Continuous Mode, for I < 40A
Standard Interface:
Inputs: Start, Stop and Interlock
Characteristics: 24V Active Low,
Pulse Width >20ms.
Outputs: Pass/Fail/Under Test
Characteristics: Dry Contact relay
Ele. Characteristics: 30VAC, 60VDC,<0.3A
Logic: Closed if True
Connector: 9 pin Male D-Series
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