Analogue converter 0..10V in line for gauges bridge sensors TR FO LIG

This amplifier is intended for sensors with gauge bridge technology.

This in-line amplifier for force transducer (traction and compression) or for strain gauge pressure transducer is an ideal solution when it is not possible to install a classic TR FO RS485 DIN rail converter in a cabinet.

The amplifier is supplied between 15 V and 30 V and manages the very precise supply of the gauge bridge, protecting it from short circuits.

The sensor must have a sensitivity between 0.5 and 30 mV / V

The analog output voltage can be set within a range of 0 to ± 5 V or 0 to ± 10 V

The choice of voltage range is made with an internal DIP switch.

Fine adjustments and zero point adjustment are performed by multi-turn potentiometers which are mounted on the circuit.

The internal connection of the sensor, the output signal and the power supply is made via screw terminals.

The amplifier has a very good seal: IP67

The amplifier’s cutoff frequency is 1 kHz.

Product reference : TR FO LIG suivant FP

Availability : 1 week

Technical sheets

Consult

Detailed description

Sensors gauge bridge :

Bridge resistance : 350 Ω…5 KΩ
Connexion type : 4 wires
Excitation voltage : 2.5 V
Excitation current : 10 mA

Consumption : 0.3 VA approximate

Sensitivity : 0.5m V/V ….30m V/V
Default sensitivity : 1.5 mV/V

Main features :

Measurement error : 0.1% of full scale

Point 0 : adjustable up to 25% (5% as standard)

Temperature coefficient : <100 ppm/K

Offset linked to temperature on 0 : <0.4 µV/K
Power supply : 15…30 Vdc

Current consumed : 20 mA
Switching frequency : 1 KHz
Operating temperature : 0…60 °C
Humidity : 10…80 % non-condensing

Dimensions and mechanical characteristics :

Aluminum tube
degree of protection : IP67

PG7 sealed passage for the passage of power and signal cables

Dimensions : 120 x Ø25 mm

weight : 150 g approximatively

Analog output signal :

Voltage : 0…+/-5 V or 0….+/-10 V selectable by switch

Output impedance : 440 Ω

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