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td3700-2 ac magnetic field apparatus of meters for electrical energy 专用于检测直流磁场对电能表的影响
符合 oiml r46 指令中有关电能表磁场影响试验的技术指标
精密直流源励磁，在磁场发生器中心点产生 2 mt ～ 300 mt 可程控的直流磁场
配备了高精度特斯拉计作为磁场测量标准，准确度可达 ± 2%
磁场发生器所产生的磁场分布近似于 50 mm × 50 mm 的永磁体磁场
可对被检电能表的六个面分别进行检测，并给定被检表的电能误差
overview
td3700-2 is a set of apparatus specially applied to detection of the influence of dc magnetic field on meters for electrical energy. it is composed of precise dc excitation current source, dc magnetic field generator, verified meter platform, verification apparatus of meters, calibration interface platform, computer and automatic test software. the apparatus can generate a programmable and adjustable dc magnetic field, and cooperate with the verification apparatus to complete the effect test of dc magnetic field on meter error.
features
● the apparatus is excited by a precise dc power source to produce a 2mt~300 mt programmable dc magnetic field at the center of generator.
● the high-precision tesla meter is built as the magnetic field measurement standard , and the accuracy can reach + 2.0%.
● the generated magnetic field is similar to the permanent magnet of 50 mm * 50 mm.
● it can detect the six surfaces of the verified meter and calculate the error of electrical energy.
● the apparatus is equipped with computer testing software, which can automatically adjust the magnetic field and complete the magnetic field influence test of the electric energy meter.
● the software can output statistic report such as verification certificate, test report, etc. preservation, printing of multi-format document is also supported.
● the software has perfect data management and backup functions. output of certificates, reports and custom-defined templates is supported.
technical specifications
general specifications
● line power: ac ( 220 ± 22 ) v，47 hz～55 hz
● operating environment: 0 ℃～40 ℃, 20%～85% r·h, non-condensing
● storage environment: -20 ℃～70 ℃, < 85% r·h, non-condensing
● dimensions（width*depth*height）: 1800 mm × 800 mm × 1400 mm
● standard interface: rs232