Download FD-4 User Manual

Dear users,
Thank you for buying our product (FD-4 transmitter), please read this manual carefully
before use, and you are welcomed to contact with our technician when you meet some
problems.
Summary
FD-4 is designed to match with our strain type load cells, can be widely used in the non - electrical measurement
situations that use strain type load cells. High precision, stable performance and easy use is our product characteristics:
1 Suitable for strain type load cells;
2 Can connect 1-4 load cells directly;
3 Can protect reverse connect of voltage, and protect output;
4 Two options: Electrical current/voltage output;
5 Multiple options of output capacity.
Please indicate the type (current or voltage transmitter) and the output capacity when you order our transmitters.
1. Specifications
1) Power supply: DC15V/24V
2) Output: current
150mA MAX
4-20mA or 0-10mA
Voltage
0-5V or 1-5V
3) Accuracy: Excelled 0.1%FS
4) The total sensitivity of connecting sensors:
1.1mV/V~2.2mV/V
5) Resistance of load: ≤350Ω (current output)
≥250Ω(voltage output)
6) Operating temperature: －20℃～ ＋85℃
7) Protection class:
IP65
2. Electronic principle figure
Stable
voltage switch
LOAD CELL
#
1 -4
Opera
#
Filter
V+
V/ I
I/Vout+
te
Adjust zero circuit
Voltage
switch
GND