opti-sciences OS1p User Manual

opti-sciences OS1p

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OS1p User’s Guide

(Preliminary Advanced Version with RLCs for Algae and Higher Plants)

The New Standard in Portable

Chlorophyll Fluorometers

OS1p040111Advanced

Table of Contents

Questions and Answers:

R
Rodney ScottAug 2, 2025
Why does the remote trigger not initiate a test on my opti-sciences Measuring Instruments?
- M
  martinbrianAug 2, 2025
  The remote trigger might fail to initiate a test for several reasons: * The remote trigger wire may not be correctly plugged in; check the connections. * The OS5p might not be in the correct test mode. Ensure that a cursor is not blinking in the test mode box. If it is, press the test mode key to enter the test mode. * The fluorescence signal could be too low; in this case, raise the modulation intensity.
I
ijonesAug 6, 2025
What to do if my opti-sciences OS1p Measuring Instruments unit will not turn on?
- B
  bruce48Aug 6, 2025
  If your unit isn't turning on, the most likely cause is a dead battery. Try charging the battery or using AC power.
C
caleb98Aug 11, 2025
What to do if saturation light does not trigger on opti-sciences OS1p?
- W
  willietaylorAug 12, 2025
  If the saturation light isn't triggering, it could be due to a low fluorescence signal (Ft). Try increasing the modulation intensity. If the display also blanks, you should contact factory.
K
Kyle WardAug 17, 2025
Why does my opti-sciences OS1p unit reset when I run a test?
- K
  Karen HernandezAug 17, 2025
  If your unit resets during a test, it could be due to the battery not being sufficiently charged. Try charging the battery. Alternatively, the battery may be weak and require replacement; in this case, contact factory.

opti-sciences OS1p Specifications

General

Light Source	LED
Detector	PIN photodiode
Display	LCD
Power Supply	2 AA batteries
Operating Temperature	0 to 50°C
Storage Temperature	-20°C to 60°C

Summary

Chapter 2: The OS1p

Key Features of the OS1p

Details the main features and capabilities of the OS1p fluorometer.

Hardware Overview and Principles

Chapter 3: Operating the OS1p

Introduction to Running Tests

Fv/Fm Protocol

Detailed instructions for performing the dark-adapted Fv/Fm test.

Y(II) Protocol: Quantum Photosynthetic Yield

Explanation of the light-adapted Y(II) measurement.

Quenching Protocol: Hendrickson-Klughammer

Details on the Hendrickson-Klughammer lake model quenching protocol.

Rapid Light Curves (RLC)

Overview and methodology for performing Rapid Light Curves.

Saturation Pulse Duration Settings

Loading and Saving Measurement Routines

Chapter 4: OS5p Data Management

USB Data Transfer

Procedures for transferring data from the OS1p to a PC via USB.

SD Card File Transfer and Utilities

Appendix A: Maintenance

Troubleshooting Power Problems

Guidance on resolving issues related to the battery, charger, or circuit breaker.

Troubleshooting Tables

Tables listing symptoms, probable causes, and cures for common issues.

Appendix B: PAR Clip

PAR Clip Description

Using the PAR Clip

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