qj36c conductor resistance resistivity intelligent tester is high precision, intelligent integrated combination of resistance measurement experiment device, it can realize the electric wire electric cable conductor dc resistance measurement, conductor material volume resistivity measurements. test instrument can automatically measure conversion conductor resistance and according to the environmental temperature conversion to 20 ℃,the corresponding electrical cross-sectional area can be calculated according to the conductor resistance.
features:
- tester can achieve wide range 0.01μω – 2.5 m ω accuracy ±0.05% of the resistance measurement. resistance measurements using four terminal measurement method,automatic elimination of errors in contact resistance.
- 12 level measuring gear 10 level measuring current automatic conversion, automatically select the appropriate gear, automatic conversion temperature coefficient, do not need to manually choose, the measurement automatically saved.0.1 m ω – 1m ω 11 level standard resistance calibration, ensure the accuracy of measurement.
- using high precision pt100 temperature, can realize accuracy±0.1 ℃ temperature measurement.temperature conversion can be calculated according to the actual measured temperature, and can be calculated according to the set temperature.
- the conversion materials of resistivity are: soft copper, hard copper with 2mm and above, hard copper with 2mm and below, soft aluminum and hard aluminum, etc., suitable for measuring different conductor materials.
- automatic zero correction, forward and reverse measurement to reduce the thermoelectric potential effect of measuring current.
- adaptive ac100v – 250v, 50/60 hz power supply system.
technical indicators:
resistance measurement range: 0.01μω- 2.5 mω accuracy:±0.05% (calibration)
voltage measurements: 0-2.5 v accuracy:±0.02%
temperature measurement and accuracy:±0.1 ℃ (-20-50 ℃)
constant current gear: 1μa, 10μa, 100μa, 1 ma, 10 ma, 0.1 a, 0.5 a, 1 a, 5 a, 10 a
qj36c型导体电阻材料电阻率智能测试仪主要是为测量电线电缆导体直流电阻、铜排、铝排、铜杆、铝杆电
阻率和导电率等设计制作的,它可以达到qj36、qj19、qj55电桥的电阻测量精度,并测量环境温度,自动换算温度系数,测量电线电缆时可自动查询标准要求,自动判定是否合格。主要依据标准有gb/t3048.2-2007、gb/t3048.4-2007、gb/t5585.1-2018、gb/t5585.2-2018、gb/t3952-2008、gb/t3953-2009、gb/t3954-2008、gb/t3955-2009、gb/t3956-2008等。
特点:
- 宽范围测量电阻,十二级测量档位十级测量电流自动转换,自动选择合适的档位进行测量,无需手动选择。
- 测量线缆和铜铝杆、铜铝排电阻时,仪器采用0.1a、0.5a、1a、5a、10a的更细电流分档设计即可以满足全量程测量电流要求,又可以提高测量精度和稳定性。相对采用0.1a、1a、10a的电流分档设计,全量程测量时,部分测量量程测量电流不足导致精度下降、测量值减小,部分测量量程测量电流过大导致稳定性不足。
- 0.1mω-1mω十一级标准电阻十二级测量档位自校准,保证测量结果的准确性,消除传统电阻测试设备使用一段时间后因电子器件老化产生偏差而又无法修正的忧虑。
- 电阻温度系数自动换算,导体电阻测量结果直接换算成20℃下的电阻值,电阻率测量结果直接换算成20℃下标准电阻率和导电率。导体电阻即可以根据铜铝材料实时温度按换算公式计算温度系数换算,又可以采用标准温度系数表进行换算。电阻率的换算材料有:铜,2mm及以上硬铜,2mm以下硬铜,软铝,硬铝,软铜排,硬铜排,软铝排,硬铝排等,适应不测量不同的导体材料。温度换算时即可以按测量的实际温度换算,又可以按设置的温度换算。
- 仪器内含gb3956、gb8734标准,线缆导体可实现自动判定是否合格;可计算实际电性能截面积。
- 四端子测量法,自动消除接触电阻误差,测量精度高,可实现0.01uω--2.5m最高达±0.02%的电阻测量。
- 测量结果自动保存,可保存100条,可随时查询测量电阻值,环境温度,导体电阻换算结果,电阻率。
- 在线测量功能,可以直接测量正在生产过程中电缆、铜铝杆、铜铝排导体电阻值并自动换算,方便快捷。
- 自动校零,正反向测量, 有效减少外部热电势影响。
- 自动放电保护,防止仪器在接线过程中因人体和样品静电冲击而损坏。
- 使用高精度pt100测量温度,可以实现精度±0.1℃的温度测量。
- 0.001ma—10a多级程控恒流源输出,0-2.5v绝对精度优于±0.02%的电压测量,测量金属材料体积电阻率时,可以测量全规格铜杆、铜排、铜线、铜线坯、铝杆、铝排、铝线、硬铝线、硅合金线的电阻率。
技术指标:
电阻测量指标:测量范围:0.0001μω-2.5mω 测量精度:1mω-100kω±0.05%(可校准)
注:实际精度一般比标称精度高,标称0.05%一般精度在0.02%左右,标称0.2%的一般精度在0.1%-0.05%
最小分辨率 | 0.0001μω |
量程 | 测量范围 | 分辨率 | 测量电流 | 准确度等级 |
0.1 mω | 0-0.25 mω | 0.0001μω | 10a | 0.2 |
1mω | 0.25 mω-2.5mω | 0.01μω | 5a | 0.05 |
10mω | 2.5mω-25mω | 1μω | 0.5a 1a | 0.05 |
100mω | 25mω-250mω | 10μω | 0.1a | 0.05 |
1ω | 250mω-2.5ω | 0.1mω | 0.1a | 0.05 |
10ω | 2.5ω-25ω | 1mω | 10ma | 0.02 |
100ω | 25ω-250ω | 10mω | 1ma | 0.02 |
1kω | 250ω-2.5kω | 100mω | 0.1ma | 0.02 |
10kω | 2.5kω-25kω | 1ω | 0.1ma | 0.02 |
100kω | 25kω-250kω | 10ω | 0.01ma | 0.05 |
1mω | 250kω-2.5mω | 100ω | 0.001ma | / |
温度测量指标:-99-99℃(可扩展) 精度: ±0.1℃(-20-50℃)
长度测量指标:0-5000m精度: ±0.5%(0-500m)
电流指标:恒流档位:1ua、10ua、100ua、1ma、10ma、0.1a、0.5a、1a、5a、10a
测量电流: 1ua-10a
质量保证
保修一年,免费软件升级。
可选中文面板或者英文面板。
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