vortex liquid flow sensor Aosong AFD4040R30 with low pressure loss and resistance to contamination

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Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

The AFD4 series is a vortex liquid flow sensor based on the Von Karman vortices principle. It offers excellent repeatability, high accuracy, low pressure loss, and resistance to contamination, featuring a measuring principle with no moving parts. Designed for demanding and cost-sensitive OEM applications, the AFD4 series provides a long service life, fast response, and no drift. Its robust housing and compact structure make it a versatile sensing solution for harsh industrial production environments, energy metering, environmental protection, laboratory settings, and transportation.

Product Attributes

  • Brand: ASAIR ( Guangzhou Aosong Electronics Co., Ltd.)
  • Series: AFD4
  • Measurement Principle: Vortex (Von Karman vortices)
  • Contact Liquid Material: PPS/SUS304 (Stainless Steel)
  • Certifications: ASAIR (Copyright)

Technical Specifications

Model Flow Range Fluid Temperature Range Flow Accuracy Temperature Accuracy Repeatability Pressure Rating Environmental Temperature Process Connection Power Supply Signal Output Dimensions (L) Dimensions (A) Dimensions (B) Dimensions (C) Dimensions (H) Dimensions (E) Dimensions (ES) DN (Nominal Diameter)
AFD4020 216 L/min 090 (No freezing or condensation) <3.0% F.S. (Flow) 5% F.S.max. (@25) <2.0% 10 bar (Max 16 bar) -1065 G or RC or NPT (NPT requires customization) 1828VDC 3-wire 420mA, RS485, NPN, PNP, or 15V (NPN & PNP for flow alarm only) 110 mm 40 mm 15 mm 19.3 mm 40X40 18 mm 30 mm 10
AFD4040 540 L/min 121 mm 40 mm 15 mm 19.3 mm 40X40 18 mm 30 mm 15
AFD4100 10100 L/min 110 mm / 121 mm / 120 mm / 131 mm (model dependent) 40 mm / 45X45 (model dependent) 15 mm / 20 mm (model dependent) 19.3 mm 45X45 23 mm 41 mm 20

RS485 Communication Parameters

Parameter Description
Protocol Format Modbus RTU
Baud Rate 9600bps (Configurable: 4800, 9600, 19200, 115200)
Start Bit 1 bit
Data Bit 8 bits
Stop Bit 1 bit
Parity Check None
Default Address 0x01 (Configurable: 1-32)

Wiring Pin Definitions (Example for RS485, 4-20mA, NPN, 1-5V, PNP)

Wire Sequence Color RS485 Output 4-20mA Single Current Output 4-20mA Dual Current Output NPN Output 1-5V Single Voltage Output PNP Output
1 Brown Power Positive Power Positive Power Positive Power Positive Power Positive Power Positive
2 White 485A Floating Pin Temperature Output NPN1 Floating Pin PNP1
3 Blue Power Negative Power Negative Power Negative Power Negative Power Negative Power Negative
4 Black 485B Flow Analog 4-20mA Flow Analog 4-20mA NPN2 Flow Analog 1-5V PNP2

Installation Torque Specifications

Thread (G/RC/NPT) Applicable Torque Range
3/8 2224 Nm
1/2 2830 Nm
3/4 2830 Nm
1 3638 Nm

Warranty

AFD4XXX Sensor: 12 months from the date of shipment.


Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person Coral

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