LVDT sensor WM

Inductive miniature half-bridge sensor

Inductive miniature LVDT sensor for measuring ranges of 1mm to 2mm for hydraulics and valve construction as well as general industrial applications with limited installation space in production, testing and mechanical engineering. The LVDT sensor with 10mm case diameter, or also in customised special versions, has a coil unit with fully symmetrical coil construction according to the LVIT differential choke principle / half-bridge circuit.

Special designs according to customer specifications are possible.

		WM 1	WM 2
Nominal stroke	mm	±0,5	±1
Mechanical stroke	mm	3	3
Dimension A (electrical zero of core)	mm	25	25
Dimension B (overall length)	mm	15	15
Dimension C (diameter)	mm	10	10
Dimension D (size of male union)	mm	M3	M3
Dimension E (length of male union)	mm	10	10
Dimension F (core rod / core)	mm	1/2	1/2
Sensor weight (approx.)	g	6	6
Core weight (approx.)	g	1	1
Nominal output (approx.)	mV/V	40	80
Sensitivity (approx.)	mV/V/mm	80	80

	WM 1 ... 2
Excitation voltage (eff.)	1 ... 5 V
Carrier frequency	5 ... 10 kHz
Linearity	0,5 % F.S.O.
Temperature coefficient of zero	±0,05 % / 10 K
Temperature coefficient of span	±0,1 % / 10 K
Operating temperature	-50 °C ... 80 °C
Protection class (DIN 40050)	IP 64

	Leads
Type of connection	PTFE leads 250 mm long
Configuration
Excitation +	Blue
Excitation -	Red
Measuring signal +	White
Measuring signal -	--

LVDT sensor WM

Inductive miniature half-bridge sensor

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