Shandong Fengtu IOT Technology Co., Ltd
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
Model:FT-FS7H
Brand:fengtu
1. 4-Component Net Radiometer Product Overview
4-Component Net Radiometer The upward sensor detects incoming short-wave and long-wave radiation, and the downward sensor detects incoming short-wave and long-wave radiation.In meteorological applications, infrared radiation or long-wave radiation refers to electromagnetic radiation with a wavelength greater than 3.0 μm. Long-wave radiation is physically related to temperature and is emitted by all objects on Earth. The spectrum of the sun's short-wave radiation is from 300 nm to 3 μm (accounting for 99.5% of the total solar radiation).
Fengtu's FT-FS7H four-component net radiation sensor directly measures daily longwave radiation and shortwave radiation and calculates the net radiation. It is used for meteorological observations of atmospheric radiation (radiation emitted by clouds/water vapor and carbon dioxide, etc.) and net radiation exchange between the earth and the atmosphere. Net total radiation (shortwave + longwave) is usually measured by 4 net radiometers or a single net radiometer (whose detector can respond to the full band). The earth's longwave radiometer uses a detector with a hemisphere facing upward to measure the longwave radiation emitted downward. The net longwave radiation and the downward emitted radiation of the earth-atmosphere system can be calculated. It has been widely used in meteorology/photovoltaics/horticulture/agriculture and industry.
2. Features of 4-Component Net Radiometer
1. Comply with the WMO World Meteorological Organization Guide (CIMO Guide)
2. Strong sensitivity to infrared radiation with a wavelength of 4 to 50 µm
3. The error caused by the heat of the silicon cover is small
4. Small cosine response error
5. Reduce environmental impact
6. Good stability
3. 4-Component Net Radiometer Technical Specifications
Technical Parameters | Technical Description |
Total radiation | |
Grade Standard | FIRST CLASS |
Time response (95%) | 13s |
Thermal radiation zero offset | ±10W/m2 |
Temperature change zero offset | ±3W/m2 |
Nonlinear | ±1.5% |
Instability | ±1% |
Directional response | ±18 W/m2 |
Spectral error | ±3% |
Temperature response (-10~40℃) | 3% |
Tilt error | ±1% |
Spectral response | 285~3000nm |
Daily sampling accuracy | <5% |
Resolution | 1W/m2 |
Sensitivity | 7~14μV/W•m-2 |
Signal output | 0~20mV |
Earth Radiation | |
Spectral response | 400~50000nm |
Response time (sec) 95% | <18s |
Instability (change/year) | <2% |
Temperature coefficient | ≤±1%(-20℃~+50℃) |
Perspective | 180° |
Sensitivity (µV/W/m²) | 2~150uV/Wm-2 |
Impedance(Ω) | 20~140 |
Window heating offset | <4W/m2 (when solar radiation is 1000W/m2) |
Signal range | -500~+500 W/m² |
Signal output | -20~0mV |
General Parameters | |
Number of channels | 4 channels mV, 2 channels 4-wire platinum resistance |
Temperature Sensor | Linear platinum resistance (JIS standard: c-1604-1989) |
Operating temperature | -40~+70℃ |
weight | 9kg |
Reservoir automatic monitoring system is a new monitoring technology developed on the basis of traditional reservoir monitoring equipment. It realizes real-time data transmission and processing through computer or communication network. Advanced computer technology is used to establish a database an...
Accurate meteorological information is crucial for ocean voyages. The Shipborne Meteorological Instrument FT - Y6 is a professional device designed specifically for marine meteorological monitoring.Developed and produced by Fengtu Internet of Things Technology Co., Ltd., its working principle is to...
Air quality is directly related to human health and the safety of the ecological environment. As the pace of industrialisation and urbanisation continues to accelerate, the problem of air pollution is becoming more and more prominent, posing a serious threat to people's health and quality of lif...
What is a measurement terminal RTU? Before understanding it, let's understand what RTU is.RTU, abbreviation of Remote terminal unit, means: "Remote terminal unit", also called "Remote telemetry unit". This is a microprocessor-based control device, whose most obvious feature i...