Series 280

Economy AC LVDTs

The Series 280 AC LVDTs are designed and manufactured to provide an accurate, yet economical, means of measuring linear displacement. The transducers are available in working ranges of 0.1 to 2.0 inches. Maximum non-linearity is specified as ± 0.4% of full scale.

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Key Features

Ranges from ±0.05” to 2.0”
Non-linearity ≤ 0.4%
Large Core to Bore Clearance
Low Cost

SPECIFICATIONS - ELECTRICAL

MODEL	LINEAR RANGE ±Inches (mm)	REFERENCE FREQUENCY	SENSITIVITY V/in./V	INPUT IMPEDANCE Ohms	OUTPUT IMPEDANCE Ohms	PHASE ANGLE UNCOMPENSATED	FREQUENCY FOR ZERO PHASE SHIFT	MAXIMUM NON-LINEARITY	MAXIMUM EXCITATION
0280-0000	0.050 (1.27)	1.0 KHz	4.5	71	935	3°	1.6 KHz	±0.4% Full Scale	1.0 V.A.
0281-0000	0.100 (2.54)	1.0 KHz	3.2	70	342	3°	1.4 KHz
0282-0000	0.250 (6.35)	2.4 KHz	2.9	46	160	25°	17 KHz
0283-0000	0.500 (12.7)	2.4 KHz	1.8	107	265	15°	10 KHz
0284-0000	1.00 (25.4)	2.4 KHz	0.95	100	134	9.5°	7.8 KHz

Notes:

Electrical specifications are based on energizing the primary coil with the specified excitation frequency.
Nominal values are given for sensitivity.
Operating Temperature -50°F to +250°F (-46°C to +121°C)

SPECIFICATIONS - MECHANICAL

MODEL	HOUSING LENGTH A Inches (mm)	CORE LENGTH B Inches (mm)	ELECTRICAL CENTER C Inches (mm)	INNER SLEEVE MATERIAL	TOTAL NET WEIGHT W/0 CORE Grams	CORE NET WEIGHT Grams	CORE PART NUMBER	LEAD LENGTH, GAUGE
0280-0000	1.63 (41.4)	1.00 (25.4)	0.63 (16.0)	PHENOLIC	40	5.4	C005-0046	7” AWG #26
0281-0000	1.94 (49.3)	1.19 (30.2)	0.78 (19.8)	PHENOLIC	48	6.4	C005-0045	7” AWG #26
0282-0000	3.31 (84.1)	1.25 (31.8)	1.47 (37.3)	PHENOLIC	67	7.0	C005-0044	7” AWG #26
0283-0000	4.88 (124)	2.00 (50.8)	2.25 (57.2)	PHENOLIC	105	12.1	C005-0037	7” AWG #26
0284-0000	6.88 (175)	3.00 (76.2)	3.25 (82.6)	PHENOLIC	120	18.4	C005-0038	7” AWG #26

DIMENSIONAL DIAGRAM

TRANS-1401-Products-280

SCHEMATIC

TRANS-1401-Products-280-1

CAD Drawings

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