Digital Air Flow Meter 3/4" 20-2000 LT/MIN 1xPNP + 1x4-20mA

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Digital Air Flow Meter 3/4" 20-2000 LT/MIN 1xPNP + 1x4-20mA

STOCK: IN STOCK
BRAND: MELLPRES - VRB
STOCK CODE: 020-DFS1-202-F-06-F-R-3503
SKU: DFS1-202-F-06-F-R

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Description
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DFS1 Series Smart Digital Air Flow Meter (Flow Sensor)

Model: Digital Air Flow Meter 3/4" 20-2000 LT/MIN 1xPNP + 1x4-20mA

The DFS1 Series is a professional digital flowmeter designed to monitor air consumption in your pneumatic systems in real time, detect leaks, and maximize energy efficiency. With its dual-line digital display, compact design, and Industry 4.0 compliant output options, it is an indispensable part of your automation projects.

Energy Saving Tip: With the DFS1 flow meter, you can see if your system is consuming air (air leaks) even when it's not running, reducing your operating costs by up to 20%.

Key Features

Wide Measurement Range: Flexible selection with 500 L/min, 1000 L/min and 2000 L/min models.
Dual Display Technology: Simultaneously displays the current flow rate and the set value (Threshold).
Multiple Output Support: In addition to NPN/PNP switching outputs, 4-20mA Analog or 1-5V Voltage output.
Intelligent Measurement Modes: Hysteresis, Window Comparison, and Cumulative Flow Tracking.
Easy Assembly: Rotatable screen and integrated mounting brackets.

Model Selection and Capacities

You can use the table below to select the most suitable flow rate range for your project:

Model Series	Measurement Range (L/min)	Port Size	Application Area
DFS1-501	5 - 500 L/min	RC 1/8" - 1/4"	Precision grippers, leak tests
DFS1-102	10 - 1000 L/min	RC 1/4" - 3/8"	General machine lines, assembly benches
DFS1-202	20 - 2000 L/min	RC 1/2"	Main air intakes, high-consumption presses.

General Technical Specifications

Supply Voltage	12 - 24V DC (±10%)
Fluid	Filtered Air, Nitrogen (Non-corrosive)
Output Type	NPN/PNP Open Collector + Analog (4-20mA)
Protection Class	IP40
Operating Temperature	0 ~ +50°C (Without freezing)

Order Code Generation Key

Detailed breakdown of product codes (e.g., DFS1-501-R04-A):

Category	Code	Meaning
Flow Rate Range	501	5 ~ 500 L/min
	102	10 ~ 1000 L/min
	202	20 ~ 2000 L/min
Tooth Type	R	RC Thread (Standard)
	N	NPT
	F	G Tooth
Port	04	1/2" (Models 501 and 102)
Port	06	3/4" (202 model)
Output Type	A	2 x NPN
	B	2 x PNP
	C	1 x NPN + Analog (1-5V)
	D	1 x NPN + Analog (4-20mA)
	TO	1 x PNP + Analog (1-5V)
	F	1 x PNP + Analog (4-20mA)