The FRn03H series micro-flow gas mass flow sensor is specifically designed for various micro-flow process control applications. This product is an upgrade based on the FR03H, featuring significantly improved zero-point stability and full-scale signal stability.

Application

It is widely used for various gas measurements, offering low cost, easy installation, and low pressure loss, making it a suitable replacement for traditional flow sensors.

Features

High sensor sensitivity with extremely low start-up flow
Multiple signal output options
High stability and repeatability across the entire range

Specifications

Parameter Category	Parameter	Value	Unit
Flow Measurement	Max. Flow	50/100/200/300/400/500/1000/2000	SCCM
	Accuracy	± (2+0.5FS)	%
	Repeatability	0.5	%
	Maximum working pressure	200	kPa
	Maximum flow pressure loss	≤110 ≤150	Pa
	Working Temperature	0~50	℃
Output Signal	Output Method	Digital I²C & Analog 0.5V~4.5VDC	-
	I²C communication rate	100	kHz
	Signal response time	≤50	ms
Electrical Parameters	Operating voltage	5~15	VDC
	Operating current	≤30	mA
	Electrical interface	PH2.0-5P plug-in connector or 2.54-5pin pin header (optional)	-
Other	Storage temperature	-20~65	℃
	Mechanical interface	Removable hose connector	-
	Measurement medium	Dry, clean non-corrosive gases	-

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

1 PC FRn03H Air Flow Sensor