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for more product details, please call us：0731-84930888
td1400 loop resistance tester 用于测量高低压开关、铜铝母线的回路电阻或接触电阻的便携式仪器
准确度 0.2 级 / 0.5 级可选
内置精密直流恒流源，可长时间连续输出最大 200 a 电流
电阻测量范围：0.01 mω ～ 180 mω
overview
model td1400, the optional classes of accuracy are 0.2 and 0.5, applied to measure the loop resistance or contact resistance of high-low voltage switches and copper/aluminum busbars.
this tester complies with the following standards:
● jjg 1052-2009 verification regulation of loop resistance tester and dc resistance meters
● dl/t 845.4-2004 general specifications for measuring resistance equipments part 4: loop resistance measurement testor
features
● continuously output 100 a/200 a dc current for a long time by a precision dc constant current source.
● resistance measurement range is from 0.0100 mω to 180.00 mω with a 5 digits display, and the tested current is from 2 a to 240 a.
● large lcd touch screen, more intuitive of value display and easier operation.
● data storage, printing and remote transmission via rs-232 interface.
● support measuring and printing reports in field by the built-in micro-printer.
● small size, light weight and easy to carry.
electrical specifications
general specifications
● line power: 220 v ±22 v, 50 hz ±2 hz
● maximum power consumption: 1500 va
● operating environment: -20 °c to +45 °c, 20 % to 80 % r·h, non-condensing
● storage environment: -20 °c to +55 °c, <95 % r·h, non-condensing
● safety: the insulation resistance between the 220 v power and the chassis is more than 20 mω at a test voltage of 500 v/50 hz.
● dimensions (w × h × d): 390 mm × 205 mm × 280 mm
● weight: 8 kg
● communication: rs-232 interface
selection guide
