Description
Overview
GAOTek oxygen thermal mass flow meter is specially designed for the measurement and process control of various types of small flow gases.This series of sensors are made with advanced micro-electro-mechanical system flow sensing chips, and are suitable for all types of clean gas. The Unique packaging technology makes it suitable for a wide range of pipe sizes, low cost, easy installation, no temperature and pressure compensation, and can replace traditional volumetric or differential pressure flow meters.
Features
- Sensor has the characteristics of high precision using flow sensor chip
- Display screen and setting buttons
- Easy to operate and read directly
- Zero point stability of the sensor is greatly improved
- Full range high stability
- Full range precision and excellent repeatability
- LCD display instantaneous flow and cumulative flow
Technical Specification
| Type | Variable Area Air & Gas Flowmeters |
| Accuracy | ±1.5% FS +0.5% FS |
| Flow range | 500 NL/min ; 1000 NL/min |
| Display mode | LCD |
| Output way | 4 mA to 20 mA |
| Communication method | RS 485 (Modbus protocol) |
| Working power supply | DC 15 V to 24 V / 100 mA |
| Maximum working pressure | 145.038 PSI (≤1.0 MPa) |
| Operating temperature | 14 °F to 131 °F (-10 ℃ to 55 ℃) |
| Storage temperature | 14 °F to 149 °F(-10 ℃ to 65 °C) |
| Operating humidity | <95% RH |
| Calibrating media | Air (68 °F (20 °C), 14.69 PSI (101.325 kPa)) |