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Case Expansion & High Temperature Case Expansion Transducer System

Case Expansion Transducer

These transducers are DC LVDTs intended specifically for case expansion measurements, which generally require a shorter linear range than valve position measurements. They are available with ranges from 1.0 to 4.0 inches (25 to 101 mm).

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Specifications

24765 dc LVDT Assembly

Electrical

Scale Factor 24765-01: 0.346 V/mm (8.79 V/in).
24765-02: 0.404 V/mm (10.25 V/in).
24765-03: 0.143 V/mm (3.63 V/in).
Linear Range 24765-01: 25.4 mm (1.00 in).
24765-02: 50.8 mm (2.00 in).
24765-03: 101.6 mm (4.00 in).
-3 dB Frequency 24765-01: 20 Hz.
24765-02: 15 Hz.
24765-03: 10 Hz.
Linearity ±0.5% full-range.
Stability 0.125% full-scale.

Environmental Limits

Operating Temperature -18 °C to +71 °C (0 °F to +160 °F).
Storage Temperature -54 °C to +93° C (-65 °F to +200 °F).

Mechanical

Height 88.9 mm (3.50 in).
Width 117 mm (4.60 in).
Length 24765-01 and -02: 241 mm (9.50 in).
24765-03: 328 mm (12.90 in).
Weight 24765-01 and -02: 2.3 kg (5.0 lbs).
24765-03: 2.7 kg (6.0 lbs).
Thread 10-32 UNC-2B core end.
10-32 UNC-2A machine end.

135613 dc LVDT High Temperature Case Expansion Transducer System

Electrical

Scale Factor 135613-01 and -11: 0.20 V/mm (5.0 V/in).
135613-02 and -12: 0.10 V/mm (2.5 V/in).
135613-03 and -13: 0.049 V/mm (1.25 V/in).
Linear Range 135613-01 and -11: 25.4 mm (1.00 in).
135613-02 and -12: 50.8 mm (2.00 in).
135613-03 and -13: 101.6 mm (4.00 in).
-3 dB Frequency 135613-01 and -11: 200 Hz (typical).
135613-02 and -12: 200 Hz (typical).
135613-03 and -13: 200 Hz (typical).
Stability 0.125% full-scale
Non-Linearity Less than 0.25% full-scale.
Temperature Coefficient: 0.05%/°C (0.028%/°F) maximum.
Note: When operated in the presence of high-level RF energy, the 135613 transducer may experience output fluctuation up to 7% (of full scale voltage) deviation from the nominal voltage.

Environmental Limits

Operating Temperature -25 °C to +85 °C (-13 °F to +185 °F).
Storage Temperature -55 °C to +125 °C (-67 °F to +257 °F).

Mechanical

Height 88.9 mm (3.50 in).
Width 117 mm (4.60 in).
Length 135613-01, -02, -11 and –12: 241 mm (9.50 in).
135613-03 and -13: 328 mm (12.90 in).
Weight 135613-01, -02, -11 and –12: 2.3 kg (5.0 lbs).
135613-03 and-13: 2.7 kg (6.0 lbs).
Thread 10-32 UNC-2B core end.
10-32 UNC-2A machine end.
Supplied Hardware 4 housing mounting 1/4-20 UNC bolts, lock washers, and flat washers.
2 10-24 nuts, lock washers, and flat washers on end of LVDT extension rod.
1/2-inch conduit fitting

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Descriptions English
Case Expansion Transducer System Datasheet acrobat-reader


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