Plant-related and environmental sensors

Sensors for third party loggers

Overview

This is a series of analog plant-related sensors with standard input/output interfaces. Most of sensors operate on 10 to 30 VDC. Output options: 0 to 2 VDC, 4 to 20 mA, and 0 to 20 mA. Please refer to specification table of a particular sensor for determining its power and output options.

Sensors are usually supplied without output cable. The pre-connected output cable of a certain length with color-coded bare ends may be supplied by request.

A summary table

DescriptionMeasurement rangeNotes
SD-5M Stem Micro-Variation sensor
0 to 5 mm
For 5 to 25 mm stem diameter
SD-6M Stem Micro-Variation sensor
0 to 5 mm
For 2 to 7 сm stem diameter
DE-1M Dendrometer
0 to 10 mm
Mounted on implanted rod
FI-LM Fruit Growth sensor
30 to 160 mm
For rounded and cylindrical fruits
FI-MM Fruit Growth sensor
15 to 90 mm
For rounded and cylindrical fruits
FI-SM Fruit Growth sensor
7 to 45 mm
For rounded and cylindrical fruits
FI-XSM Extra Small Fruit Growth sensor
0 to 10 mm
For rounded fruits within 4 to 30 mm in diameter
LT-1M Leaf Temperature sensor
0 to 50 ℃
Bead thermistor sensor
SF-4M Sap Flow sensor
Not specified1
For 1 to 5 mm stem diameter
SF-5M Sap Flow sensor
Not specified1
For 4 to 10 mm stem diameter
SA-20M Auxanometer
0 to 2 m
10-bit resolution (≅2 mm)
PIR-1M Quantum sensor
0 to 2500 µmol·m−2·s−1
Photosynthetic Photon Flux
TIR-4M Pyranometer
0 to 1000 W/m2
Total irradiation
SMS-5M Soil Moisture sensor
0 to 100% VWC
Calibrated for Mineral Soil, Potting Soil, and Rockwool.
ST-21M Soil Temperature sensor
0 to 50 ℃
90 mm long probe