Industrial current measurement sensor LEM LA100 P SP50 featuring wide frequency range and PCB mounting

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Product Description

Product Overview

The LA 100-P/SP50 is a closed-loop Hall effect current sensor designed for measuring DC, AC, and pulsed currents. It offers excellent accuracy, good linearity, low temperature drift, and a wide frequency range, making it suitable for various industrial applications. The sensor features primary and secondary insulation and is designed for PCB mounting.

Product Attributes

Brand: LEM
Origin: Beijing, China
Certifications: EN 50178: 1997, UL 94-V0

Technical Specifications

Parameter	Value	Unit	Notes
Primary Rated RMS Current (IPN)	100	A
Primary Current Measuring Range (IP)	0 .. 150	A
Secondary Rated RMS Current (ISN)	50	mA
Conversion Ratio (KN)	1 : 2000
Supply Voltage (VC)	12 .. 15	V	( 5 %)
Current Consumption (IC)	10 + IS	mA	(@ 15V)
RMS Voltage for AC Insulation Test (Vd)	2.5	kV	50 Hz, 1 minute
Accuracy @ IPN, TA = 25C (@ 15 V)	0.45	%
Accuracy @ IPN, TA = 25C (@ 12 .. 15 V)	0.70	%
Linearity (L)		%	Typ Max
Offset Current (IO) @ IP = 0, TA = 25C	0.10	mA
Residual Current (IOM) 1) @ IP = 0, 3 x overload after IPN	0.15	mA
Offset Current Temperature Drift (IOT) - 25C .. + 85C	0.05 .. 0.25	mA
Offset Current Temperature Drift (IOT) - 40C .. - 25C	0.10 .. 0.50	mA
Response Time @ 10 % of IPN (tra)		ns
Response Time 2) @ 90 % of IPN (tr)		s
di/dt Following Accuracy (> 200 A/s)	> 200	A/s
Bandwidth (-1 dB) (f)	DC .. 200	kHz
Ambient Operating Temperature (TA)	- 40 .. + 85	C
Ambient Storage Temperature (TS)	- 50 .. + 95	C
Secondary Coil Resistance (RS) @ TA = 70C	120
Secondary Coil Resistance (RS) @ TA = 85C	128
Mass (m)	18	g