YJJ CAFS1000A Automotive-Grade Air Flow Sensor - Gas Flow Meter With DN60

Product Specification

Product Description:

YJJ CAFS1000A Automotive-Grade Air Flow Sensor - Gas Flow Meter With DN60

Features:

I. Basic Model Information

Series: CAFS1000 Automotive-grade Airflow Sensor

Model: CAFS1000A (Integrated Pipe-type Airflow Meter, Host Equipment Compatible Model)

Measurement Principle: Thermal MEMS Silicon Chip, Direct Measurement of Airflow Quality (kg/h), Non-Volumetric Flow

II. Core Performance Parameters

1. Flow Measurement Specifications

Standard Range: 10 - 1000 kg/h (Customizable 250/320/370/800 kg/h细分 ranges)

Airflow Speed Upper Limit: 0 - 60 m/s

Measurement Medium: Clean and Dry Air, Inert Gas； Prohibited High Dust, Oil Contamination, Oil-Water Mixed Gas

Measurement Accuracy: ±2.0% FS (Total Range Comprehensive Error)

Repeatability: <0.5% FS

Response Time T90: ≤15ms (Quickly Captures Engine Transient Intake)

Maximum Tolerance Static Pressure: 0.3 MPa (3bar)

Impact Resistance: 100g, Stable in Vehicle Bumpy Environment

2. Electrical Parameters

Power Supply Voltage: 7 - 24VDC (Vehicle 12V System Standard, Compatible 24V Diesel Vehicle)

Typical Working Voltage: 12V DC

Working Current: <50mA (14V Condition)

Output Signal (Two Options, Factory Customized)

Analog Voltage Output: 1 - 5V Linear Proportional Output (Mainstream Vehicle Solution)

Frequency Pulse Output: Compatible with Old-style ECU

Built-in ASIC Full Temperature Calibration, No Additional Temperature Compensation Circuit Required

Protection Grade: IP40

3. Temperature and Environment

Working Temperature: -40℃ ～ +125℃ (Engine Compartment Wide Temperature Environment)

Storage Temperature: -40℃ ～ +125℃

Humidity Tolerance: 0 - 100% RH, Can Tolerate Slight Condensation Water Vapor

Calibration Reference: 20℃, Standard Atmospheric Pressure 101.325kPa Air Calibration

4. Mechanical Structure

Shell Material: ABS Heat-resistant Engineering Plastic

Installation Method: Straight-through Intake Pipe Flange Type, Installed Between Air Filter and Throttle

Flow Direction Marking: Shell Labels Air Flow Direction, Cannot Be Installed in Reverse

Electrical Interface: Standard Vehicle Multi-pin Connector, Directly Connects to Vehicle ECU

III. Core Product Advantages

Thermal MEMS Chip, Direct Output of Airflow Quality, ECU No Density Conversion Required

Factory Integrated Temperature and Linear Compensation, Simplifies ECU Development

Superb Vehicle Voltage Range 7 - 24V, Universal for Gasoline / Diesel Vehicles

Response ≤ 15ms, Precisely Matches Engine Emergency Acceleration, Idle Transient Conditions

Solid State Sensor Core, No Vulnerable Film, Anti-Dust, Anti-Airflow Impact, Long Lifespan

Linear 1 - 5V Analog Output, Compatible with General Automobile ECU Collection

IV. Main Application Scenarios

1. Automotive Power System (Core Application)

Gasoline / Diesel Electronically Controlled Engine Intake Quality Flow Monitoring

ECU Core Collection Element for Engine Injection Volume Calculation: Precisely Controls Injection Based on Intake Volume, Optimizes Power, Fuel Consumption, and Exhaust Emissions

Passenger Vehicles, Commercial Vehicles, Light Trucks, Modified Vehicles Intake Meter Replacement Parts

Turbocharger Intake Flow Closed-loop Monitoring

2. Industrial Gas and Combustion Equipment

Gas Boiler, Industrial Burner Fuel Ratio Control

Air Compressor, Gas Generator Set Intake Flow Monitoring

Exhaust Gas Treatment Equipment (EGR Exhaust Recirculation) Air Ratio Detection

3. Commercial Equipment

Large Fresh Air Units, Industrial Purification Equipment Large Volume Air Measurement

Fuel / Gas Hot Air Furnaces, Drying Equipment Air Flow Closed-loop Control

V. Distinction of Series Models

CAFS1000A: Integrated Pipe-type Large Flow Automotive Flow Meter (10 - 1000 kg/h, Vehicle Complementary)

CAFS1000B: Small plate-type tube micro-flow model, suitable for industrial small airways and medical oxygen generators

CAFS3000: Miniature insert-type low-range MEMS flow sensor (sccm level for tiny gases)

Specifications: