Flow Rate Measuring RS485 4

Flow Rate Measuring RS485 4

Industrial Vortex Distilled Water Vortex Insertion Type Gas Flow Meter Thermal Type Gas Mass Flowmeter utilizes the prin
Basic Info.
Model NO. HDL-RS
Measuring Media Gas
Measuring Principle Thermal
Measurement Object Closed Pipeline
Certification DIN, RoHS, ISO
Display LCD Display
Power Supply DC24 V/220VAC 50Hz
Medium Gases
Transport Package Negotiation
Specification 40*40*25cm 11kg
Trademark Huadian Automation
Origin China
HS Code 9026100000
Production Capacity 1000pieces
Product Description
Industrial Vortex Distilled Water Vortex Insertion Type Gas Flow Meter

Thermal Type Gas Mass Flowmeter utilizes the principle of heat exchange to measure fluid -flow. This meter employs method of constant temperature difference to accurately measure gas mass flow, and it has the advantages of small size, the high degree of digitization, easy installation, accurate measurement, etc.

The sensor part consists of two platinum resistance converters of the reference level. It utilizes the bridge-type loop circuit, with one converter measuring fluid temperature and another maintaining constant temperature difference that is higher than fluid temperature. The measurement can be made under high temperature and high-pressure situation.Technical Parameters Of Thermal Gas Mass Flow Meter

Measuring mediumAll kinds of gases (excluding acetylene)
Range of caliberDN10~4000mmDN25~2000mm
Range of velocity of flow0.5~100Nm/s
Order of accuracy±1%
Working temperatureSensor: ambient temperature-10~+200Chigh-temperature modification-10~+350CConverter: -10~+45C
Working pressureMedium pressure<2.5 MpaMedium pressure<4.0 Mpa
Power supply sourceDC24V or AC220V
Output signal4~20mA(photoelectric isolation with top load of 500Ω) RS-485(photoelectric isolation), HART protocol
Pipeline materialcarbon steel, stainless steel, plastics, etc.
DisplayAll-in-one type: four lines with LCD
Level of protection of one-time meterIP67
Keywords air flow meter
Converter materialStainless steelStainless steel, carbon steel

Features1) Measuring the mass flow or volume flow of gas.2) Do not need to do temperature and pressure compensation in principle with accurate measurement and easy operation.3) Wide range: 0.5Nm/s~100Nm/s for gas.4) Good vibration resistance and long service life.5) Easy installation and maintenance.6) Digital design, high accuracy, and stability.7) Configuring with RS485 or HART interface to realize factory automation and integration.Flow Range

ItemThermal gas mass flow meter
Diameter Flow range((Nm3/h))
DN201.2~120 (Flange type)
DN252.5~168.5 (Flange type)
DN324~275 (Flange type)
DN406~430 (Flange type)
DN509~671.5 (Flange type)
DN8020~1718.5 (Flange type)
DN10030~2685 (Flange type)
DN15060~6045 (Flange type)
DN15060~6045 (plug-in)
DN200120~12738.5 (plug-in)
DN250150~18779 (plug-in)
DN300200~28000 (plug-in)
DN400350~48955.5 (plug-in)
DN500600~77177.5 (plug-in)
DN600800~100000 (plug-in)


Terminal Diagram

MarkDescription
LAC85V~AC220V L
NAC85V~AC220V N
24V24V Power supply positive pole
0V24V Power supply 0V
P+Pulse output positive pole
P-Pulse output negative pole
I+Current output positive pole
I-Current output negative pole
485+/ARS485 communication interface A
485-/BRS485 communication interface B
ALARM 1Alarm output 1
ALARM 2Alarm output 2

Why choose Huadian Automation thermal gas mass flow meter?1. Instruments have been exported to over 50 countries.2.100% QC inspection Before Shippment.3.ISO, CE, SGS standard and factory price.4. All instruments have been 100% recognized by the Bureau of National Metrology.5.Excellent product quality and strong technical support capability.Packaging & Shipping
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