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1.2 Temposonics II LDT Specifications
Parameter Specifications
Input Voltage: ± 12 to ± 15 Vdc
Current Draw: Transducer Only:
± 15 Vdc at 100 mA maximum, 25 mA minimum
(current draw varies with magnet position, maximum draw occurs when magnet is at 2 in.
(50.6 mm) from the flange and minimum update time is being utilized)
Transducer with:
• RS-422 Personality Module (RPM): ± 12 to ±15 Vdc at 140 mA maximum
• Digital Personality Module (DPM): + 15 Vdc at 150 mA maximum, 75 mA minimum, - 15 Vdc
at 100 mA maximum, 25 mA minimum
Displacement: Up to 25 feet (7620 millimeters)
Dead Space: 2.5 inches (63.5 millimeters) for stroke lengths up to 179.9 in.
3 inches (76.2 millimeters) for stroke lengths ≥ 180 in.
Electronics Enclosure: IP-67
Non-linearity: < ± 0.05% of full scale or ± 0.002 inch (±0.05 mm), whichever is greater
Resolution:
1 ÷ [gradient x crystal freq. (mHz) x circulation]; maximum resolution: 0.006 mm or 0.00025 in.
Repeatability: Equals resolution
Hysteresis: 0.0008 inch (0.02 mm) maximum
Update Time: Resolution and Stroke dependent
Minimum = [Stroke (specified in inches) + 3] x 9.1 µs
Operating Temperature
Head Electronics: - 40 to 150°F (- 40 to 66°C)
Transducer Rod: - 40 to 185°F (- 40 to 85°C)
Operating Pressure: 3000 psi continuous, 8000 psi static
Digital Outputs (absolute) TTL level, nominal 0 and 5V, true high, parallel transmission
Specifications are subject to change without notice. Consult MTS for verification of specifications critical to your application.
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