Ampe kìm HWT-301 Digital Harmonics Clamp Tester - Multi

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Ampe kìm HWT-301 Digital Harmonics Clamp Tester

Hãng sản xuất : Multi

SPECIFICATIONS
Operating Temperature	0℃ to 40℃, 80%RH max. ( Without condensation )
Power supply	1.5V (AM-4, LR03 or AAA)×3
Power consumption	13mA
Weight	Approx. 440g
AC Conversion	True rms responding
Safety standard	IEC 61010-1, IEC 61010-2-032, Installation CategoryⅡ600V or CategoryⅢ300V
Jaw opening capability	40mmφ
Size	70(W)×223(H)×34(D)mm
Accessories	Hard carrying case Instruction manual Batteries
Crest factor	< 3 (0～50% of range) < 2 (50～100% of range)
Display	3.5 digit LCD, max. reading of 3999
Over range indication	"OL" mark on LCD
Data hold indication	"DH" mark on LCD
Low battery indication	"Battery" mark on LCD
Auto power off	Approx.20 minutes later after power on
E.M.C. standard	EN 61326
Measuring method	Dual slope integration mode
Battery life	Approx.50 hours continuous
Sampling	2 times/sec
Affection of magnetic field	3mA or less (at 100A nearby conductor)
Input Frequency	45Hz～65Hz
Withstanding Voltage	AC 3700V 1 minute max. (Between the core of CT and outer case)
Storage Temperature	10℃ to 60℃, 70%RH max. ( Without condensation )
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/±1.0% rdg ± 8 dgt/AC 300Arms AC 40A/10mA/±1.0% rdg ± 8 dgt/AC 300Arms AC 300A/100mA/±1.0% rdg±1% of full scale/AC 300Arms AC 400mV/0.1mV/±1.0% rdg ± 8 dgt/AC 250Vrms AC 400V/100mV/±1.0% rdg ± 8 dgt/AC 450Vrms 4000Ω/1Ω/±1.0% rdg ± 8 dgt/AC 400Vrms

Harmonics mode
Measuring method	Synchronous filter
Measurable harmonics	Fundamental to 25th harmonics
Minimum input	More than 5% of full scale in each range
Accuracy	Harmonics/Accuracy(In case of more than 4% harmonics is included against fundamental input) 1～9th/(±1%rdg±5 dgt)±(basic accuracy of ACA or ACV)-(Error by neighboring harmonics) 10～19th/(±2%rdg±5 dgt)±(basic accuracy of ACA or ACV)-(Error by neighboring harmonics) 20～25th/(±5%rdg±5 dgt)±(basic accuracy of ACA or ACV)-(Error by neighboring harmonics)