Supporting sensors
Apogee NDVI sensors combine an ultra-rugged form with sophisticated cloud data delivery for an unbeatable price-to-performance ratio.
- Continuously monitor NDVI remotely
- Built for long-term exposure to the elements
- Easy to use and low cost
The SQ-521 PAR Sensor provides accurate and cost-effective measurement of photosynthetically active radiation (PAR) from all light sources used to grow plants.
- High-quality photosynthetically active radiation (PAR) measurements
- Easy setup. Easy data access.
- Accurate and cost-effective measurements
The IRT infrared thermometer monitors surface temperature by measuring the thermal energy radiated from any surface.
- Easy surface temperature measurements in real time
- Many field of view options
- Accurate, rugged, lightweight, weatherproof
The PYR solar radiation sensor is designed for continuous outdoor use and is completely waterproof and submersible.
- Accurate, easy-to-use pyranometer
- Measure total solar radiation
- Weatherproof for long-term use
If you need research-grade net radiation accuracy at an affordable price, then you’ll love the easy-to-use Apogee Net Radiometer.
- Reliable net radiation measurements in real time
- Research-grade accuracy for less cost
- Easy, remote data access
The low-cost Apogee Ultraviolet (UV) Sensor is a scientific-grade sensor that provides the accuracy you need for less. Access remote data in real-time, wherever you are.
- Ultraviolet sensor measures total radiation from 300 to 400 nm
- Simple, self-cleaning, and tough
- Easy, remote data access
The AutoPump automatically drains the Drain Gauge G3 reservoir into bottles for later collection or away from the measurement area.
- Automatically drains the Drain Gauge G3 reservoir
- Designed for remote and high drainage sites
- Connect to a data logger
The rugged, reliable SO-411 Oxygen Sensor is perfect for the lab or field. And the best part? Easy remote data access through ZENTRA Cloud.
- Measure gaseous oxygen in the lab or field
- Ruggedized and robust
- Plug and play technology—remote data access
High-resolution rain gauge for measuring precipitation and for use in scientific research.
- Research-grade, high resolution rain gauge
- Dual spoon mechanism for better resolution
- Durable
Low-resolution rain gauge for measuring irrigation events.
- Low-resolution rain gauge for irrigation event monitoring
- Configure as volume gauge
- Durable
The ES-2 is designed to measure the electrical conductivity of water in a pipe or tank.
- Measure the electrical conductivity of water in a pipe or tank
- Pair it with a TEROS 12 soil moisture sensor
- Understand the salts remaining in your soil or substrate.
An easy-to-use research-grade air temperature sensor.
- Easy-to-use air temperature sensor
- Weatherproof for long-term use
- Remote data in real time
The PS-1 Irrigation Pressure Switch adds irrigation water on/off data into the soil moisture data set.
- Adds irrigation water on/off data
- Use with soil moisture sensors to monitor irrigation
- Know your irrigation times
The FM-25 combines the accuracy of positive displacement meters with the reliability and economy of nutating disc technology.
- Accuracy of positive displacement meter
- Reliability and economy of nutating disc technology
- Includes a pulse transmitter for digital output
The D1 Dendrometer is a simple tool to manually measure changes in the circumference of tree stems over time.
- Made of low-friction, low thermal expansion Astralon plastic
- No need to convert circumference to diameter
- A spring mechanism that allows the tape to expand as the tree grows
The VS-pro series of vacuum systems are capable of applying a constant or tension-controlled vacuum for long-term monitoring projects. Keyboard display allows for status checks and configuration without hooking it up to your PC.
- Long-term monitoring
- Defined pore water sampling
- Tension-controlled sampling
This portable vacuum has a rugged case and uses a powerful pump and rechargeable battery, which make it easy to collect pore water samples at remote locations.
- Qualitative analysis of soil water
- Low cost
- Easy handling
The SPE20 allows for water and solute collection down to depths of 8 meters that could not normally be collected from other pore water samplers.
- Cost effective; sampling bottles are not needed
- Extracted soil water is stored at soil temperature
- PE Nylon tip
The SKS20 allows for water and solute collection down to depths of 8 meters that could not normally be collected from other pore water samplers.
- Cost effective; sampling bottles are not needed
- Extracted soil water is stored at soil temperature
- Al203 Ceramic tip
The MAS-1 is a current-based soil moisture sensor with ultra-long cable lengths.
- Current-based soil moisture sensor
- Research-grade accuracy
- Low cost individual sensors for large sensor networks
Easy-to-use sensor for measuring the temperature of soil or other materials.
- Easy-to-install soil temperature sensor
- Weatherproof for long-term use
- Remote data in real time
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