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Flow sensor module Sencoch GF5200-A0545-A featuring thermodynamic measurement and robust construction

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Flow sensor module Sencoch GF5200-A0545-A featuring thermodynamic measurement and robust construction

Voltage - Supply : 8V~24V

Operating Temperature : 0℃~+50℃

Type : Non-Corrosive Gas

Interface : I2C

Description : Non-Corrosive Gas I2C Gas Sensor RoHS

Mfr. Part # : GF5200-A0545-A

Model Number : GF5200-A0545-A

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Product Overview

The GF5000 Flow Sensor Module is a high-sensitivity, high-precision sensor designed for accurate measurement of non-corrosive gases like air, oxygen, and nitrogen. Utilizing the latest generation MEMS chip technology and a unique calibration scheme, it provides linear output and fast response times. Its robust design is resistant to condensation, making it ideal for demanding applications in medical devices, HVAC systems, and various industrial control and environmental monitoring instruments.

Product Attributes

Brand: (Xin Ganzhi)
Product Category: Flow Sensor
Series: GF5000
Overall Material: Silicon, Epoxy Resin, Aluminum Alloy, FR4

Technical Specifications

Specification	Details	Unit
General
Model	GF5000
Linear Output	Yes
Anti-Condensation	Yes
MEMS Chip Technology	Latest Generation
Measurement Principle	Thermodynamic
Measurable Gases	Air, Oxygen, Nitrogen, non-corrosive gases
Electrical Characteristics
Power Supply	8-24 VDC (Default 12 VDC)	VDC
Reference Temperature	25
Relative Humidity	40%-60% RH
Accuracy (100 SLM)	1.5	%FS
Accuracy (>100 SLM & 200 SLM)	2.5	%FS
Accuracy (>200 SLM & 300 SLM)	3.5	%FS
Zero Drift	0.2 (Typical)	%FS
Resolution	0.1 (Typical)	%FS
Range (Customizable)	0 - (5 to 300)	SLM
Output Drift	0.2 (Typical)	%/
Response Time	20 (Typical)	mSec
Analog Output Voltage	0.5 - 4.5 (Default)	V
Clock Pulse Frequency (Digital Output)	100 (Typical)	KHz
Low Level Input Voltage (Digital Output)	-	0.5 V
High Level Input Voltage (Digital Output)	4 - 5.5	V
Low Level Output Voltage (Digital Output)	-	0.5 V
High Level Output Voltage (Digital Output)	4 - V	V
Operating Voltage	8 - 24 (Typical 12)	V
Operating Current	5 - 30 (Typical 12)	mA
Operating Pressure	-	200 KPa
Operating Temperature	0 - 50
Storage Temperature	-20 - 85
Electrical Interface	2.54mm 5 Pin DuPont Connector with Lock
I2C Communication
Protocol	I2C
Default Address	0x50
Transmission Speed	Standard Mode (100Kbps)
Dimensions
External Dimensions	Refer to Figure 1 (Tolerance 0.1mm if not specified)	mm
Common Flow Ranges
Model	Flow Range	SLM
GF5005	0-5	SLM
GF5012	0-12	SLM
GF5020	0-20	SLM
GF5035	0-35	SLM
GF5050	0-50	SLM
GF5100	0-100	SLM
GF5150	0-150	SLM
GF5200	0-200	SLM
GF5300	0-300	SLM

Application Fields

Portable ventilators, domestic oxygen generators
Continuous Positive Airway Pressure (CPAP) devices
Anesthesia and delivery
Critical care equipment
HVAC (Heating, Ventilation, and Air Conditioning)
Gas measurement and equipment control
Fuel cell control
Environmental detectors, mass spectrometers, and other instruments

Model Selection Guide Example

GF5200-A0545/D-A

Brand: (Xin Ganzhi)
Product Category: Flow Sensor
Model: 5000 Series
Range: 200 SLM
Output Type: A (Analog), D (Digital)
Analog Output Voltage: A0545 (0.5-4.5V), A1050 (1.0-5.0V), others as per table
Gas Type: A (Air)

Flow Rate Calculation Formulas

Analog Output: Flow = [(Vout - 0.5 V) / 4 V] Full Scale Flow (e.g., GF5200-A-A @ 0.5~4.5V, 2.5V output = 100 SLM)
Digital Output: Flow = [I2C Output Reading] / K (K=1000 for 5 SLM Flow < 50 SLM; K=100 for 50 SLM Flow 300 SLM) (e.g., GF5150-D-A, reading 11055 = 110.55 SLM)

Usage Notes

Installation: Recommended pipe lengths: 10x diameter upstream, 5x diameter downstream. Ensure concentric installation and secure mounting. Airflow direction must match product indication. Connect wiring according to pin definitions.
Operational Precautions: Use within specified environments. Observe airflow direction during installation. Avoid simultaneous piping, cleaning, or introducing excessive impurities. Moisture and impurities may degrade sensor performance or cause damage. Ensure correct power polarity to prevent circuit damage. Confirm performance in actual usage conditions.
Safety Precautions: Use power and voltage within rated limits. Follow electrical definitions for wiring; reverse polarity can cause damage. Handle product fixing and pressure port connections with care. Implement safety designs (fuses, circuit breakers, redundancy) to prevent harm from malfunction.

I2C Communication Protocol Details

Supports standard mode (100Kbps).
I2C default address: 0x50.
Flow data is transmitted as 2 bytes (high byte, low byte).
Data unit is L/M (Liters per minute). Conversion to M/H: M = L / 1000 * 60.
Example: 16-bit data 0x03E8 (1000 decimal) with K=100 represents 10.00 L/M.

2310191811_Sencoch-GF5200-A0545-A_C18905969.pdf

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