一、性能特点
1.DYFL-2G 防雷元件测试仪适用于氧化锌避雷器(压敏电阻),金属陶瓷二、三电极放电管、真空避雷管等过压防护元件直流参数的测量。 也可作稳压、恒流电源, 使用于其它方面。
2.具有高压短路保护、过流保护、高压预置、量程调节等功能,高压自泄放时间小于0.5秒。
3.具有自检功能。
4.测量数据由3½ LCD数字显示,准确度高、可靠性好。
5.测量时,可以预先设定量程,并在测量过程中对超量程测试发出声响提示, 适用于器件分组和检验判别。
6.选择连续测量,可以对批量试品进行不间断测试。
7.面板功能简单,易于操作。
8.重量轻,便于携带。二、技术指标
1.压敏电阻测量
技术指标 测量范围 工作误差 测试条件
起始动作电压U1mA 0~1700V ≤±2%±1d 1mA±5μA
漏电流I0.75U1mA 0~199.9μA ≤±2μA±1d 0.75U1mA≤±2%±1d
2.放电管测量
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技术指标
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测量范围
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工作误差
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测试条件
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起始动作电压U1mA
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0~1700V
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≤±2%±1d
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1mA±5μA
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漏电流I0.75U1mA
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0~199.9μA
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≤±2μA±1d
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0.75U1mA≤±2%±1d
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3. 其它指标
绝缘电阻:6MΩ(500V)
耐 压:AC 1.5kV 50Hz 1min
工作温度和湿度:0~+40℃ ≤85%RH
储存温度和湿度:-10℃~+50℃ ≤90%RH
电 源:DC:12V 专用电源(芯线+极)
功 耗:8W
外形尺寸:208×190×78mm3
重 量:≤1kg