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LVDT Signal Conditioners, AC Powered

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Data Sheet (PDF)

Item# LDX-3

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Works Well with LD200, LD300 and LD310 Series Transducers
Oscillator/Demodulator Provides 0.05% FS Linearity
Selectable Outputs of ±5 V or ±20 mA
Interfaces with Standard Laboratory Instruments

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The LDX-3A is a compact oscillator/ demodulator unit with adjustable span, zero and phase controls for use with any OMEGA™ (as well as most other manufacturers) ac LVDT transducers. The unit is housed in a die-cast aluminum box providing a high degree of mechanical and environmental protection. The LDX-3A incorporates its own regulation for operation from ac power of 120 V. A 2.7 m (9') power cable is standard. The unit can drive outputs of 0 to ±5 V into 10 kΩ, or ±20 mA into 100 Ω max. This, together with a 10:1 range of span controls, makes the LDX-3A a very versatile single-channel conditioner for a wide range of transducers.

SPECIFICATIONS

MECHANICAL
Weight: 400 g (14 oz)
Mounting: Two fixing straps and screws
Accessories Included: Connector, mounting hardware
Dimensions: 130 H x 96 W x 35 mm D (5.1x 3.8 x 1.4")

ELECTRICAL
Power Supply: 120/250 Vac 50-60 Hz
Transducer Drive: 3 Vrms at 2.5 or 5 kHz @ 20 mA
Loading: 4 W max
Fuse Rating: 63 mA Slow Blo
Oscillator Protection: Open and short circuit protected
Range of Zero Control: 0 to 100% adjustable
Output Voltage: ±5 V into 10 kΩ min.
Output Current: ±20 mA into 100 Ω max.
Output Protection: Open and short circuit protected
Output Ripple:10 mV pk/pk at 10 kHz
Output Filter: 2nd order low pass fc at 250 Hz or 110 Hz
Linearity: 0.05% FS
Temp. Range: 0 to 60°C (32 to 140°F)
Temp. Coefficient: Zero: 0.02% FS/°C (0.011% FS/°F) Span: 0.02%FS/°C (0.011% FS/°F)
Terminations: 5-pin DIN connector

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