Products

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.

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 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:

  1. Electrical specifications are based on energizing the primary coil with the specified excitation frequency.
  2. Nominal values are given for sensitivity.
  3. 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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