DC energy meter with built-in current measuring sensor

TFY-CSB-CDA

Category:

Product Description

Definition	Symbol	Value	Unit
Primary Rated Current	Ipn	300	A
Secondary Rated Current	Isn	80	mA
Primary Maximum Current	Ip	360	A
Secondary Output Current	Is	80*(I/Ipn2	mA
Sampling Resistance (±12V@Ip)	R m	0~20	Ω
Supply Voltage	Vc	±12(±5%)	V
Static Current Consumption (±12V @I=0A)	Ic	≤10	mA
Maximum Current Consumption (±12V@I=Ip	Im	≤120	mA
Accuracy (@0.011pn~0.05I pn@25℃)	XG	0.5	%
Accuracy (@0.05Ipn~pn@25℃)	XG	0.2	%
Static Zero Output (@I=0A.@25℃)	IoE	5	μA
Zero Temperature Drift (I=0A,@-40~85℃)	VoT	0.1	mV/℃
Hysteresis Offset Voltage (@I=0A,after 1*IPN)	VOH	≤±1	mV
Response Time (@90%Ipn	Tra	5	μS
Bandwidth (@10%Ipn ·-3dB)	BW	>100	kHz
Constant Magnetic Field Influence (@200mT)	δ	≤2	%
Power Frequency Magnetic Field Influence (400A/m)	δ	≤1	%