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關(guān)鍵詞：LCR數(shù)字電橋,電子負(fù)載,扭力測(cè)試儀,程控耐壓測(cè)試儀,直流低電阻測(cè)試儀,過(guò)程校驗(yàn)儀,變壓器測(cè)試儀,臺(tái)式萬(wàn)用表,匝間絕緣測(cè)試儀,扭力扳手.（點(diǎn)擊關(guān)鍵詞可進(jìn)入相關(guān)產(chǎn)品目錄）
Guardian1050 接地電阻測(cè)試儀特點(diǎn)：
Ø 可編程的輸出電流0.01-45A AC
Ø 可編程的輸出電壓1.0 ~ 8.0 V
Ø 電阻的測(cè)量0.1-510 m?
Ø 可編程測(cè)試時(shí)間
Ø 大液晶顯示菜單
Ø 內(nèi)部存儲(chǔ)99組數(shù)據(jù)
Ø 四終端開(kāi)爾文連接
Ø 前面板鎖定 防止更改測(cè)試條件
Ø I / O接口遠(yuǎn)程控制，RS232接口
Ø 通過(guò)內(nèi)置軟件校準(zhǔn)
Guardian1050 接地電阻測(cè)試儀性能：
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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