PRODUCTS

AC Leakage Current, 400mA/4A/40A/300A Harmonics current, 40mmφCT Model HWT-300
FEATURES Harmonics and leakage current measurements. Data-hold and Auto power off function. The best tool to measure up to 25th harmonics current in the field. Analog data output function.
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DETAIL

SPEC SPECIFICATIONS Measuring method : Dual slope integration mode Input frequency : 45Hz～65Hz Display : 3.5 digit LCD, max. reading of 3999 Jaw opening capability : 40mmφ Data output : DC 100mV for full scale(400mA/4A/40A ranges) DC75mV for full scale(300A range) Accuracy ±1% of full scale Output impedance 10kΩ or less Over range indication : "OL" mark on LCD Low battery indication : "Battery" mark on LCD Data hold indication : "DH" mark on LCD Sampling : 2 times/sec Withstanding voltage : AC 2200V 1 minute max. (Between the core of CT and outer case) Affection of magnetic field : 3mA or less (at 100A nearby conductor) Limitation of circuit voltage : Less than AC 600V Operating temperature : 0℃ to 40℃, 80%RH max. ( Without condensation ) Storage temperature : -10℃ to 60℃, 70%RH max. ( Without condensation ) Power supply : 1.5V (AM-4, LR03 or AAA)×3 or AC adaptor(Option) Power consumption : 13mA Auto power off : Approx.10 minutes later after power on Battery life : Approx.50 hours continuous Size : 68(W)×207(H)×33(D)mm Weight : Approx. 430g Accessories : Hard carrying case : 1 Instruction manual : 1 Batteries : 3 Option : AC adaptor Accuracy : (23℃±5℃, 80%RH or less) Range Resolution Accuracy Max.input AC 400mA 0.1mA ±1.0% rdg ± 8 dgt AC 300Arms AC 4A 1mA AC 40A 10mA AC 300A 100mA ±1% of full scale Harmonics mode Measuring method : Synchronous filter Measurable harmonics : Fundamental to 25th harmonics Minimum input : More than 5% of full scale in each range Accuracy : ±1%rdg±5 dgt (23℃±5℃) Error by neighboring harmonics Harmonics Neighboring harmonics component ratio against current or voltage Typical accuracy 5th 65% ±3%rdg ± 5dgt 7th 41% ±3.5%rdg ± 5dgt 11th, 13th 20% ±4%rdg ± 5dgt 15th～25th 10% ±5%rdg ± 5dgt