SENSIRION LD20 Base Station Overview And Engineering Manuallines

Engineering Guidelines
LD20 Base Station
Connector Block for Electrical Contact
Preface
The LD20 base station has been designed as an
easy-to-use tool for evaluating the LD20 liquid flow
sensor. The connector block performs two main
tasks: it mechanically fixates the sensor in place via
a clip-in mechanism and provides a simple electrical
interface between the contact pads of the sensor and
a PC or any other system for first bench-top tests.
Sensirion's base station is 3D-printed from Polyamid
and thus has to be handled with care.
The base station can be anchored to a test bench
using the integrated mounting holes.
1 Using the Sensirion LD20 Base Station
Please follow the steps below in using and handling the LD20 base station:
Connection:
 Make sure all parts are clean and free of debris.
 Check for the proper alignment of the LD20 sensor (1) : the orientation is correct if the contact pads of the flow
sensors are located on top of the spring pins and if the triangular recess of the LD20 sensor fits to the counterpart
on the base station. Press the LD20 flow sensor down into the base station (2).
 All three versions of the LD20 series fit into the LD20 base station.
 Connect the base station's male M8 with the SCC1-USB sensor cable for a plug-and-play connection with a PC.
You can connect any of Sensirion's SCC1 sensor cables as well, if you want to use analog voltage output signals
or RS485.
www.sensirion.com
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Figure 1: Proper alignment of the LD20 sensor to the Sensirion base station
The male M8 electrical connector is compatible with
Sensirion's SCC1 sensor cables.
Basic ESD protection is implemented as well.
The 3D-printed part is designed for testing purposes
only and will not be commercially available except as
part of the LD20 Evaluation Kit. Customers are
expected to refine the mechanical and electrical
interfaces to best suit their application needs within
their own base station design..
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