www.sensirion.com

February 2015 V2

2/4

2 Communication with the Sensor

An electrical voltage output indicates flow above (5 V)

or below (0 V) the flow switch point and/or air or

bubbles inside the sensors flow channel. The product

comes fully calibrated for water – for volume

applications flow calibration for other media is

available on request.

2.1 Electrical Specifications

Table 3: DC Characteristics

Parameter

Min.

Typ.

Max.

Units

Power supply DC, VDD

5

7

V

Operating current,

VDD = 9 V, no load

6.8

mA

Voltage output high

5

V

Voltage output low

0

V

a

Use 9 V max. for best performance

2.2 Electrical Connector and Sensor Pinout

Connector Type:

5 pin Molex PCB Header

53261-0590 Mating connector: Molex 51021-0500.

Table 4: Electrical Pinout

Pin

1

Do not connect

2

Do not connect

3

VDD

4

GND

5

Voltage output

3 Fluidic Connection

Table 5: Fluidic Specifications and Pressure Rating

Parameter

LG01-2000Axxx

Wetted materials:



Internal sensor tube material

Borosilicate Glass 3.3



Fitting material

PEEK



Sealing material

FEP

Fluid connector ports (Fittings)

¼-28 flat-bottom for 1/16” or 1/8” OD plastic tubing

1 mbar

Total internal volume

80 µl

a

For fluid connection material use flat bottom ¼-28 standard components e.g. IDEX parts P-200/P-300. Various adapters e.g. to Barb

connectors are available from company Value Plastics as well.

For more information on the fluidic connection please find: “Application Note Sensor Ports and Tubing Connections” in the

Download Center on our webpage (www.sensirion.com/liquidflow-download).

4 Connectivity Kit

The optional LG01 connectivity kit contains material for electrical and fluidic connections

1 2

3 4

5