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Overview

The PFA14 is a continuous particulate monitoring device designed for various types of filters. It provides reliable dust concentration level monitoring and fault-based bag leak detection. The device consists of a sensor and a remote controller: The sensor is installed downstream of the filter, responsible for capturing, adjusting, amplifying, and analyzing particulate signals. It then transmits stable digital signals to the remote controller. The controller allows for parameter setting, system configuration, on-site display, and outputs a 4-20mA Analog signal.


Functions and Advantages

· Supports long-distance weak signal collection with flexible system architecture for easy expansion.

· Icon-based Human-Machine Interface (HMI) provides an intuitive operation experience, highlighting user-friendly design.

· Multiple communication interfaces ensure seamless integration with on-site communication architecture.

· Equipped with physical navigation keys, providing excellent anti-interference performance and stable operation, adaptable to complex working environments.

· Supports various display formats for real-time and accurate feedback on equipment status.

· Made of imported cast aluminum housing, featuring excellent mechanical strength, superior sealing performance, and excellent electromagnetic shielding.


Working Principle

In gas delivery pipelines, high flow velocity transports particulate matter through the sensing zone. As particles pass the probe, the sensor generates a low-level induced current containing essential concentration-related data. The PFA14 sensitively captures dynamic changes in the flow field’s electric charge and field intensity. Using a proprietary circuit and advanced algorithm, the system samples and processes signals at high speed—effectively filtering interference to extract valid particulate concentration data with high accuracy.


Technical Specifications

Item

Specification

Product Model

PFA14

Power Supply

DC24V

Signal Output

4-20mA ;RS485 (MODBUS Protocol)

Display & Operation

Local & remote operation, optional LCD display

Structural Design

The split-type controller enables remote configuration and display, allows real-time data viewing, and supports bus digital communication for reliable data transmission.

Key Performance

High sensitivity, high-frequency response, excellent repeatability and long-term stability

Protection Features

New-type insulated and sealed structure, moisture-proof, dust-proof and anti-interference

Applicable Industries

Petrochemical, coal chemical, non-ferrous metal smelting, steel, etc.


Application Fields

The PFA14 is widely applicable in various harsh industrial environments where dust particulate monitoring is required, including but not limited to:

·  Catalytic Cracking Units and Process Gas Pipelines in the Petroleum and Petrochemical Industry

·  Coal asification and Coal-to-Ethylene Glycol Units in the Coal Chemical Industry

·  Flue Gas Dust Collection and Process Air Systems in Non-ferrous Metal Smelting

·  Blast Furnace Gas and Converter Gas Purification Systems in the Steel Industry

·  Other Industrial Gas Pipelines Requiring Continuous and Precise Monitoring of Particulate Concentration