Daytronic Corporation - DC "LE5" LVDT Series

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DC-Operated, Long-Stroke
Spring-Extended Armature

"LE5" LVDT Series (DC)

These are the standard DC-EXCITED LONG-STROKE LVDT models with SPRING-EXTENDED ARMATURE. Operating from a simple unregulated power supply of +20 to +40 VDC (or dual ±10 to ±20 VDC), each LVDT generates two standard ±5 VDC antiphase output signals. These two outputs can be used individually, or they can be combined to yield a high-level ±10 VDC "differential output signal." For low-output (±2 V) versions, see the DC "LE2" LVDT Series (2-wire 4-20 mA output is also available as an option—contact the factory for details).

Each model includes high-quality electronics for energization and signal conditioning. Encapsulated, integrated electronics are suitable for operation in harsh industrial environments. All models are fitted with 2 meters (6.6 ft.) of shielded cable. For hermetically sealed versions, see the DC "LEM" LVDT Series.

General Specifications are given below.

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DC "LE5" Series

LVDT Model	Nom. Linear Range (in. / mm)	Dimensions (in. / mm)				Nom. Spring Force (max.)	Body Weight	Overtravel (in. / mm)
LVDT Model	Nom. Linear Range (in. / mm)	"L"	"X"	"A"	"D1"	Nom. Spring Force (max.)	Body Weight	Inward	Outward
DSD1000LE5	±0.5 ±12.5	7.25 184	1.5 38	0.35 9	0.813 20.6	7.1 oz. 200 g	8 oz. 227 g	0.04 1.1	0.51 13
DSD2000LE5	±1 ±25	8.25 210	2.5 63			9.9 oz. 280 g	10 oz. 284 g	0.1 2.5	0.39 10
DSD4000LE5	±2 ±50	12.75 324	3.0 75			11.3 oz. 320 g	14 oz. 398 g	0.31 8	0.55 14
DSD6000LE5	±3 ±75	17.25 442	4.5 114			1.4 lb. 650 g	1.1 lb. 511 g	0.59 15	0.59 15

General DC "LE5" Specifications [Top ] (See also the statement on LVDT specifications)
Supply Requirements, SINGLE*	+20 to +40 VDC, 25 mA (for standard output)
Supply Requirements, DUAL	±10 to ±20 VDC, 25 mA (for standard output)
Armature	SPRING-EXTENDED
Linearity (% error of full scale, worst case)	±0.5%**
Standard Output (in/out)***	±5 VDC and ±5 VDC (+5%, - 0%), selected by connection
Output Load (minimum)	For +20 to +40 VDC Power: 20 kΩ For ±10 to ±20 VDC Power: 2 kΩ
Output Ripple	30 mV peak-to-peak
Output Bandwidth (electrical)	200 Hz (flat)
Output Impedance	2 Ω
Zero Temperature Coefficient	±0.01% of full scale/°C (±0.005% of full scale/°F)
Span Temperature Coefficient	±0.03% of full scale/°C (±0.015% of full scale/°F)
Operating Temperature Range	-51° C to +71° C (-60° F to +160° F) (for standard output)
Electrical Termination	6.5 ft. (2 m) shielded cable
* Must be floating with respect to output. ±0.25% and ±0.1% linearity are optional on some models (contact the factory for details). * For 4-20 mA and 0-10 V output options, contact the factory.

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