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td1350 high-precision reference ammeter 参考级交直流电流表，交流及 2 a 以上直流电流的测量精度远好于 8 位半数表
准确度高达 0.005 级
测量范围宽广：一对接线柱输入，可实现 10 μa ～ 120 a 超宽范围的电流测量
多种测量模式：具有 dc、ac、dc + ac 三种模式
f：10 hz ～ 10 khz，可测量周期或非周期信号
overview
model td1350, a reference ac and dc ammeter with an ultra-wide current measurement range. the accuracy is up to class 0.005, and the measurement accuracy of dc current above 2 a and ac current is much better than 8½ digital meters.
instead of 8½ digital meters, td1350 is applied to measure aperiodic signals (e.g. ripple) or complex waveform signals and calibrate ac and dc current sources (e.g. fluke 5500a/5520a) and multimeter calibrators which the accuracy classes are 0.02 and below.
features
● wide measuring range: a wide measuring range of currents from 10 μa to 120 a just with a pair of terminals.
● multiple measurement modes: dc, ac and dc+ac.
● wide frequency: 10 hz to 10 khz, periodic signals or aperiodic signals are supported.
● high reliability: not easy to damage when overloaded.
● statistics and analysis of data: calculate the maximum, minimum, average and standard deviation, and then analyze the stability and trends.
● other measurements: ripple, harmonic, distortion, waveform monitoring, etc.
● excellent human-computer interaction: large lcd touch screen, more intuitive of value display and easier operation.
electrical specifications
dc current
measurement characteristics
● range switching: automatic or manual
● measuring range: ± (10 μa to 120 a)
● minimum resolution: 0.1 na
● display: 7 digits
● ripple measurement: frequency range from 1 hz to 10 khz, the 1 year accuracy is ±0.02 % of range.
ac current by synchronous sampling
measurement characteristics
● range switching: automatic or manual
● measuring range: 10 μa to 120 a
● minimum resolution: 0.1 na
● display: 7 digits
● frequency range: 10 hz to 10 khz
● notes: applied to measure periodic signals.
ac current by asynchronous sampling
measurement characteristics
● range switching: automatic or manual
● measuring range: 10 μa to 120 a
● minimum resolution: 0.1 na
● display: 7 digits
● frequency range: 10 hz to 10 khz
● notes: applied to measure aperiodic signals and arbitrary waveform signals.
general specifications
● line power: 220 v ±22 v, 50 hz ±2 hz
● maximum power consumption: 80 va
● operating environment: 15 °c to +35 °c, 20 % to 85 % r·h, non-condensing
● storage environment: 0 °c to +40 °c, <85 % r·h, non-condensing
● dimensions (w × h × d): 460 mm × 215 mm × 370 mm
● weight: 16.5 kg
● warm-up time: 30 minutes
● communication: rs-232 interface
selection guide
