The shield accommodates multiple sensor options: air temperature sensors, air temperature/relative humidity probes, or combinations of both categories. For maximum accuracy we recommend redundant measurements of air temperature.
UV-A radiation is important in material sciences and has numerous photo-biological functions that are both harmful and beneficial. Apogees new UV-A radiometers offer a low-cost option for continuously measuring UV-A radiation in outdoor environments, laboratory settings, and monitoring the filtering ability and stability of various materials.
Spectral response estimate of Apogee SU-100 UV sensors. Spectral response measurements were made at 10 nm increments across a wavelength range of 200 to 450 nm in a monochromator with an attached electric light source. Measured spectral data were normalized at 350 nm.
Sensors have an internal thermistor fully sealed for temperature monitoring. Sensors are housed in a polypropylene body for long-term use underground. Two head options include a diffusion head for field use and a flow-through head for laboratory use.
USB quantum sensor can be connected directly to a computer for real time measurements and data logging, or act as a stand-alone datalogger when connected to most standard 5 V DC USB power sources
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The new Apogee ePAR (extended photosynthetically active radiation) sensor was created to measure the wider 400-750 nm radiation range that cutting-edge research is showing to be photosynthetically active, beyond the traditional 400-700 nm range defined by McCree. Most of this transformative work to refine and define the ePAR range is being conducted by Dr. Shuyang Zhen and Dr. Bruce Bugbee at Utah State University.
Accurate within �± 1.5 kPa across a pressure range of 15to 115 kPa (4.43 to 34.96 in Hg). Long-term non-stability has been measured continuously indoors and in natural conditions (with sensors mounted inside a data logger enclosure) for multiple sensors and is less than 0.1 % per year. Temperature effects on signal are less than 0.1 %per C across a wide temperature range (-40 to 100 C).
Accurate within �± 1.5 kPa across a pressure range of 15 to 115 kPa (4.43 to 34.96 in Hg). Long-term non-stability has been measured continuously indoors and in natural conditions (with sensors mounted inside a datalogger enclosure) for multiple sensors and is less than 0.5 % per year. Temperature effects on signal are less than 1 % across a wide temperature range (-20 to 50 C).
Apogee Instruments Quantum Sensors are the tool of choice for researchers and agricultural professionals measuring photosynthetically active radiation (PAR) all over the world. Apogee offers two types of quantum sensors: a Full-spectrum Quantum (previously gold) and Original Quantum Sensor. Consult our spectral response graph to decide which model is right for your application.
Apogee Instruments Quantum Sensors are the tool of choice for researchers and agricultural professionals measuring photosynthetically active radiation (PAR) all over the world. Apogee offers two types of quantum sensors: a Full-spectrum Quantum (previously gold) and Original Quantum Sensor. Consult our spectral response graph to decide which model is right for your application.
The SEN-WLP is a Water Level measurement ( optional with Water Temperature) sensor used to monitor the water level / temperature of Ground / Surface water, dams, lakes, pools, aquatic ponds. The sensing device is potted in a stainless steel probe and coated with a sealant to withstand outdoor moisture. It is designed specifically to monitor water level/temperature. This sensor can be connected to data-logger, controller or to some display by means of electronic interface.
The SEN-VH-WLPNV is a Water Level measurement with Water Temperature sensor used to monitor the water level / temperature of Ground / Surface water, dams, lakes, pools, aquatic ponds. The sensing device is potted in a stainless steel probe and coated with a sealant to withstand outdoor moisture. It is designed specifically to monitor water level/temperature. This sensor can be connected to data-logger, controller or to some display by means of electronic interface.
Microwave technology measures the water velocity and water level, according to the built-in soft Piece model and algorithm, convert the flow and cumulative flow of the cross-section. Use 24GHz and 60GHz microwaves for flow rate and water Position measurement, the measurement result is not affected by ambient temperature, air pressure, water The influence of surface water vapor, water pollutants and sediments; its sudden It is characterized by small size and low power consumption, especially suitable for solar energy Power supply and battery pack power supply and other applications with demanding power consumption requirements occasion.
The Model SEN-WD is the electronic wind vane represents the latest technology in wind sensing: a balanced wind direction vane with a near-zero friction bearing and a high accuracy magnetic angle sensor to provide precision wind direction. Unique locking feature allows you to easily set "North" regardless of mounting orientation.
The SEN-SR-SS is a Sunshine sensor with a TTL (High / Low) output and exhibits excellent cosine response. It incorporates a silicon-cell photodiode that measures solar radiation. With a sensor housing design that features a fully potted, domed-shaped head making the sensor fully weatherproof and self-cleaning.
This is a normal incidence direct solar irradiance sensor (also known as a pyrheliometer). Suitable for tracker mounted operation is intended for short-wave direct solar irradiance measurement of the sun. The sensor ideally suited for normal incidence direct solar irradiance measurement. Capable of measuring up to 2000 W/m2, the pyrheliometer can be deployed anywhere on earth.
Rainfall Sensor Tipping SEN Rain Bucket Type
This tipping bucket rain gauge is a dependable instrument used for measuring precipitation. Rainfall that enters the 200 mm funnel collector is directed to the tipping bucket assembly. When an incremental amount of precipitation has been collected 0.2 / 0.5 mm the bucket assembly tips and activates a magnetic reed switch. The sample is discharged through the bas of the gauge. a momentary electrical contact is provided for each increment of rainfall. The contact closure is used to operate a data acquisition system. A heating kit has been added at extra cost to the rain gauge to provide capability for measuring snowfall. This rainfall sensor can be easily use with any pulse counter, Data logger / event logger which can use pulse input.
Pollution & Gases Measurement Sensor This is a multi-in-one air quality module sensor. It can accurately measure the concentration of various gases in the air. Raised dust, as one of the main sources of airborne particles, contributes 40% proportion of PM10 composition. It is a remarkable pollution which is very harmful risk for human beings. Accurate monitoring for raised dust outdoor then become necessary to provide the basis for efficient control, which is a basis to mitigate the pollutions
The PWSMini is designed by Dr. Sten L�¶fving is a spin off from our MiniOFS sensor and it is probably the cheapest Present Weather Sensor on the market. And it is very compact - the width is only 68 mm. This little sensor measures 3 important weather parameters. (1) Visibility (2) Rain - the response is fast compared to that from a tipping bucket. The threshold is also lower. (3) Snow - same as for rain - note that a simple tipping bucket sensor does not detect snow in many cases. Besides that two other weather parameters are measured and displayed: Ambient light - the resolution and accuracy is not as good as for special sensors like solarimeters but the information is useful for giving answers to questions like telling if it is cloudy or not or of course if night or day. Temperature - the temp. sensor is located inside the sensor body and the accuracy is therefore not better than about 2 deg C. (But this is in some cases good enough - trends can be seen etc.)
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