© PSI (Photon Systems Instruments), spol. s r. o.
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3 GENERAL INFORMATION
FluorPen FP 110 is a portable, battery-powered fluorometer that enables quick and precise measurement of chlorophyll
fluorescence parameters in the laboratory, greenhouse, or in the field owing to an inbuilt GPS module. It can be
effectively used for studying photosynthetic activity, stress detection, herbicide testing, or mutant screening. Affordable
price and straight-forward two-button operation makes the FluorPen a perfect tool for teaching photosynthesis. Because
of its rapid measurement capability and large internal memory, the FluorPen is also an invaluable tool for large plant-
screening programs.
PAR-FluorPen FP 110 includes all features of the FluorPen FP 110, i.e., it measures chlorophyll fluorescence parameters
Ft, QY, NPQ, OJIP, and LC (QY). Besides that, the PAR-FluorPen incorporates an integrated Light Meter for direct digital
readouts of Photosynthetically Active Radiation (PAR) in the range from 400 to 700 nm, the span in which plants use
energy during photosynthesis. PAR is measured as Photosynthetic Photon Flux Density (PPFD), which is indicated by units
of quanta (photons) per unit time per unit surface area. The sensor has a uniform response to photons withing the 400-
700 nm waveband. Instant readouts are provided as average values of 20 measurements. Recalibration of the PAR sensor
in the PAR-FluorPen device – recommended after 2 years of use.
Monitoring Pen MP 100 is a lightweight, portable and durable fluorometer. It is an extended version of the popular
FluorPen. Due to its robust and weatherproof construction the Monitoring Pen is designed for long-term, unattended
monitoring of chlorophyll fluorescence parameters in lab or field experiments, even in rough environmental conditions.
It is battery operated (internal or external battery) and it may optionally use a solar panel as a power supply.
Measured data are sequentially stored in the internal FluorPen, PAR-FluorPen or Monitoring Pen memory. New design of
FluorPen series devices allows use both types of communication with a PC - USB and Bluetooth. Comprehensive FluorPen
1.1 software provides data transfer routines and many additional features for data presentation in tables and graphs.
FluorPen versions:
FluorPen FP 110/S
Equipped with a standard leaf-clip.
FluorPen FP 110/D
Adapted for use with detachable leaf-clips; leaf clips sold separately.
FluorPen FP 110/P (Fig. 1c)
Intended for autonomous use in indoor conditions (previously Monitoring Pen-S). It features a plastic case, measuring
probe and thread for tripod attachment.
FluorPen FP 110/X
The “X“ version is mounted with custom-made leaf-clip.
PAR-FluorPen FP 110/S (Fig. 1a)
Measures in addition to standard fluorescence protocols also Photosynthetically Active Radiation (PAR) in the range from
400 to 700 nm. Equipped with a standard leaf-clip.
PAR-FluorPen FP 110/D (Fig. 1b)
Measures in addition to standard fluorescence protocols also Photosynthetically Active Radiation (PAR) in the range from
400 to 700 nm. Adapted for use with detachable leaf-clips; leaf clips sold separately.
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