Displacement Transducer / Position Sensor, DC LVDT, Model LDC Unguided

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LDC Unguided DC LVDT Displacement Transducer

Unit Type	Stroke	Dim. L	Dim. X	Dim. D1	Dim. D2	ID	Dim. A	Body Weight	Armature Weight	Over Travel
Unit Type	Stroke	Dim. L	Dim. X	Dim. D1	Dim. D2	ID	Dim. A	Body Weight	Armature Weight	Inward	Outward
LDC500	±12.5mm	175mm	43mm	20.6mm	Push rod (shown as D2) = 4.75mm dia. Armature (inside transducer) is 6mm dia.	6.8mm	9mm	216gms	17gms	23mm	N/A
LDC1000	±25mm	200mm	69mm					270gms	23gms	22.5mm	N/A
LDC2000	±50mm	317mm	81mm					382gms	37gms	15.8mm	N/A
LDC3000	±75mm	430mm	119mm					497gms	55gms	25mm	N/A
LDC4000	±100mm	472mm	132mm					625gms	71gms	18.6mm	N/A
LDC6000	±150mm	663mm	183mm					852gms	100gms	19mm	N/A
LDC8000	±200mm	854mm	259mm					1250gms	140gms	26.5mm	N/A

The RDP Electronics LDC series are a dc LVDT transducer which makes them probably the most robust position sensor available. The term dc LVDT refers to a position sensor that has all the benefits of the LVDT measurement principle but has built-in dc to dc signal conditioning. Our dc LVDT displacement transducer units have no contact across the position sensor element ensuring very long life. The unguided dc LVDT displacement transducer units have an armature (the moving part of the measurement sensor) that is a completely separate component to the body of the sensor. The armature of the dc displacement transducer should be configured in operation such that it moves in and out of the armature tube, without touching the sides. This type of dc LVDT transducer is appropriate for measurement applications where there are many millions of cycles or where there is very high speed movement.

RDP Electronics also manufacture ac LVDT sensors for use where the temperature or other environmental factors preclude the use of dc lvdt transducer units.

A mounting block is available for all 20.6mm diameter dc displacement transducers.

Electrical Specification
Supply	5V regulated or 6 to 18V unregulated at 100mA
Output	±2.2V nominal, isolated from supply.
Linearity (% error of full scale)	±0.5% standard. 0.25% and 0.1% optional on some models.
Output load (min) (Ohms)	2k
Output ripple	30mV peak to peak
Output bandwidth (Electrical)	200Hz
Output Impedance	2 Ohms
Zero Temperature Coefficient	±0.01% F.S./°C
Span Temperature Coefficient	±0.03% F.S./°C
Operating Temperature Range	-50°C to +70°C
Electrical Termination	2m screened cable (Longer available to order)

Due to the RDP Electronics policy of on-going development, specifications may change without notice.
Any modification may affect the specification of our equipment.