CAFS4000 Series is made of microelectromechanical system (MEMS) flow sensor chip, suitable for various uses of clean, relatively dry gas measurement, to realize the digital, intelligent and improvement of high security, has the traditional industry innovation and promotion; wide range of flow range to meet the industry different equipment.
Flow measurement requirements, high sensitivity, high reliability, high stability and low cost performance characteristics can promote the industry to energy saving and intelligent exhibition.
CAFS4000 Series products are based on MEMS flow sensing unit, high precision digital processing and calibration circuit (MCU), integrated high resolution Δ - Σ A / D converter and internal calibration circuit and MCU processor to ensure the sensing signal real-time effective collection, obtain accurate flow signal,and in the corresponding compensation algorithm processing, so no external calibration compensation, can ensure high precision flow output; friendly digital output.
Message type, users can easily get the corresponding data information; the product application range is very broad.
electrical character | |||
Test conditions: VIN=12±0.01VDC, Ta=25°C. Relative humidity: 40% <relative humidity <60% Maximum operating temperature range-25°C to + 85°C | |||
Flow range (1) | Unit (2) | Maximum flow rate (m/s) | |
CAFS4003V | 0-12 | SLM | 0.527 |
CAFS4004V | 0-20 | SLM | 0.877 |
CAFS4005V | 0-35 | SLM | 1.535 |
CAFS4100V | 0-50 | SLM | 2.193 |
CAFS4101V | 0-100 | SLM | 4.387 |
CAFS4102V | 0-150 | SLM | 6.58 |
CAFS4103V | 0-200 | SLM | 8.773 |
CAFS4104V | 0-300 | SLM | 13.16 | |
specifications | minimum | give tacit consent to | maximum | unit |
Analog voltage output (3) | 1 | 5 | VDC | |
Zero point voltage | 0.95 | 1 | 1.05 | VDC |
zero drift | — | — | 0.2 | %F.S |
Resolution (4) | — | 0.1 | — | %F.S |
load | — | 100 | — | KΩ |
definition | — | 2 | 3 | %F.S |
response time | — | 1 | 3 | mSec |
Supply voltage (5) | 8 | 12 | 24 | VDC |
supply current | 30 | 20 | mA | |
The overall material | Silicon carbide, epoxy, PS, FR 4, silicon as seal |