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td1170 calibrator for zinc oxide surge arrester testers 专用于校准氧化锌避雷器测试仪
可完成项目：
全电流测量误差试验、阻性电流测量误差试验
容性电流测量误差试验、参比电压测量误差试验
有功功率测量误差试验、参比电压波形畸变对测量误差影响试验等测试项目
overview
model td1170, a calibrator for zinc oxide surge arrester testers. the following tests can be done by it: measurement error of total current, measurement error of resistive component of current, measurement error of capacitance component of current, measurement error of reference voltage, measurement error of active power and influence quantity of reference voltage distortion on error.
meet the requirements of dl/t 987-2005 general technical conditions of resistive current tester for zinc oxide surge arrester.
features
● the output of total current is vectorially synthesized by capacitance fundamental current, resistive fundamental current and resistive 3rd harmonic current.
● the ratio between resistive fundamental current and resistive 3rd harmonic current can be set freely from 1.00 to 5.00.
● the voltage output is up to 264 v (option 450 v), and applied to test the measurement error of reference voltage and frequency.
● the voltage output channel and the current output channel are mutually independent of each other, and the units of all electrical parameters can be switched between rms and pk.
● large lcd touch screen, more intuitive of value display and easier operation.
● high integrated compared with the traditional testing methods.
electrical specifications
output characteristics
● variable range: 10% to 120 % of range
● resolution: 0.005 % of range
● display: 5 digits with rms or pk mode
● frequency: the range is from 45 hz to 65 hz, the resolution is 0.001 hz, and the accuracy is ±0.01 hz.
● active power: the range is the combination of ac voltage range and ac current range, and the accuracy is ±0.5 % of range.
general specifications
● line power: 220 v ±22 v, 50 hz ±2 hz
● maximum power consumption: 100 va
● operating environment: -20 °c to +55 °c, 40 % to 80 % r·h, non-condensing
● storage environment: -20 °c to +70 °c, <80 % r·h, non-condensing
● dimensions (w × h × d): 390 mm × 180 mm × 340 mm
● weight: 9 kg
● communication: rs-232 interface
selection guide
