A miniature, value-priced, waterproof data logger for temperature and light monitoring applications; stores 52K measurements.
IMPORTANT INFORMATION
Requires HOBOware software and either an Optic USB Base Station or a HOBO Waterproof Shuttle (U-DTW-1).
HOBOware Pro is required when using the HOBO Waterproof Shuttle. See compatible items below.
VH400 Soil Moisture Sensor Probe Specifications
Power consumption: < 13mA
Supply Voltage: 3.5V to 20 VDC.
Dimensions See drawing.
Power on to Output stable: 400 ms
Output Impedance: 10K ohms
Operational Temperature: -40ºC to 85ºC
Accuracy at 25°C: 2%
Output: 0 to 3V related to moisture content
Shell Color: Red
Voltage Output Curves: Curves, Piecewise...
AquaPen AP 110-C and AquaPen AP 110-P
The PSI AquaPen is a lightweight hand-held PAM fluorometer that is convenient for quick, reliable and easily repeatable measurements of photosynthetic parameters in both algal and cyanobacterial suspensions. The AquaPen-C is equipped with blue and red LEDs, optically filtered, and precisely focused, to deliver light...
The FluorPen FP 110 is a portable, battery-powered PAM fluorometer that enables quick and precise measurement of chlorophyll fluorescence parameters in the laboratory, greenhouse, or in the field. It can be effectively used for studying photosynthetic activity, stress detection, herbicide testing, or mutant screening. The affordable price and...
The LaiPen LP 110 measures leaf area index (LAI), defined as the one-sided green leaf area per unit area of ground surface (m2 per m2) in broadleaf tree canopies. The LaiPen LP 110 calculates LAI and other canopy structure attributes from solar radiation measurements made with a wide-angle optical sensor. Measurements made above and below the canopy are...
MP 100 Monitoring Pen
The Monitoring Pen is an improved version of the popular FluorPen, featuring hardware enhancements such as a robust, durable case. It is available in both splash-proof and waterproof, submersible versions. This upgraded model still offers the same fluorescence parameters and protocols: Ft, QY, OJIP, NPQ, and Light Curve. Its...
PlantPen/N-Pen N 110 is a light-weight, battery-powered reflectance-based instrument that provides a convenient, cost-effective method for effective nitrogen management in plants throughout their growing season. Essentially, the N-Pen characterizes nitrogen amount by means of reflectance and by the concept of a close link between chlorophyll content and...
PSI's PlantPen is a reflectance-based device that provides a convenient, low-cost method of measuring the relative chlorophyll content of attached or detached leaves. PlantPens are hand-held, battery-powered devices that help to characterize plants by means of reflectance. PlantPens measure and calculate specific reflectance indices to monitor chlorophyll...
POLYPEN RP 410 Leaf analyzer for calculating reflectance index formulas
The PolyPen RP 410 is a sophisticated handheld instrument incorporating an internal xenon incandescent lamp that measures the spectral reflectance of leaves.The PolyPen RP 410 firmware calculates commonly used reflectance index formulas (e.g. NDVI, NDGI, PRI, etc.) and displays them...
The PolyPen-Aqua PA 210 is a portable, handheld, and affordable spectrophotometer. It is convenient for quick and reliable measurements of absorbance and transmittance in liquid samples between 380 – 790 nm and 640 – 1050 nm respectively. Samples are measured in standard cuvettes. The PA 210 features an inbuilt GPS module and can be used as a...
SpectraPen LM 510 is a portable spectroradiometer ideal as a general-purpose instrument for agricultural and research applications.SpectraPen LM 510 measures incoming light intensity in radiometric or photometric units and is calibrated for visible light in the range 340 to 790 nm and light in the range 640 to 1050 nm.SpectraPen is especially useful for...
SpectraPen mini is a small, portable and affordable calibrated spectroradiometer and quantum light meter, which is controlled via mobile application.
The SpectraPen mini measures spectral quality, light intensity and color. The device is calibrated for visible light in the range from 400 to 850 nm.
The SpectraPen mini is ideal as a multi-purpose...
SpectraPen SP 110 portable spectrophotometer
The SpectraPen SP 110 is a low-cost, handheld spectrophotometer that is ideal as a general-purpose instrument for research labs, agricultural and industrial applications.SpectraPen is especially useful for rapid measurements of solar irradiance and monitoring of spectral light quality. External light source and...