Charge Amplifier for WIM

This Charge Amplifier has a feature that the output voltage is proportional to the input charge.It can be combined with piezoelectric sensor to measure the acceleration,pressure,force,etc.

It is widely used in the fields,such as intelligent transportation systems,hydraulic engineering, power engineering,mining,construction, earthquake,aerospace and weapons.

Features

1.High precision, low noise, low drift, stable and reliable quality.

2.The attenuation of the signal by the equivalent capacitance of the input cable can be eliminated, and the long cable 3.can beconnected without affecting the measuring accuracy .

Technical Parameters

1.Channel: 4

2.Accuracy: 0.2%

3.Time constant: 100s

4.Operating temperature range: -25℃~+60℃

5.Supply voltage: DC12V

6.Supply current: 25mA

7.Input range: + 60000PC

8.Output voltage: ±5V

9.Maximum output current: 2mA

10.Output impedance: 100Ω

11.Degree of protection:  IP65

12.Output interface: 9 pin D head

13.Input interface: BNC plug