PASCO ME-6937 - Manual
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Table of Contents:
- Page 2 – CAUTION; S a m p l e A c t i v i t y; Teacher Preparation; Day One; Start a new experiment on the data collection system.
- Page 3 – Day Two; Begin monitoring data without recording.
- Page 4 – Data Analysis; NPP of bottle; S a m p l e D a t a; Table 1: Dissolved oxygen at varying light intensities
- Page 6 – T e c h n i c a l S u p p o r t; Te ch n i c a l S u p p o r t; For assistance with any PASCO product, contact PASCO at:
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I n s t r u c t i o n M a n u a l
0 1 2 - 1 0 9 4 1 B
A q u a t i c P ro d u c t i v i t y B o t t l e s
M E - 6 9 3 7
800-772-8700
www.pasco.com
I n t ro d u c t i o n
The ME-6937 Aquatic Productivity Bottles rest in a rack
that provides consistent and reliable light control for
quantitative aquatic productivity studies. Students fill
the bottles with algae solution or pond water and then
measure the dissolved oxygen concentration in the solu-
tions before and after incubation in fluorescent light. By
comparing the dissolved oxygen concentrations in each
solution, students learn about the relationship between
light intensity, dissolved oxygen concentration, photo-
synthetic activity, and the primary productivity of
aquatic ecosystems.
•
The identical transparent bottles nest in each of
five rack positions.
•
The custom design of the rack shields the bottles
from light by blocking a fixed percentage of light
in 25% increments from zero to 100%.
The PASPORT Water Quality Sensor measures tempera-
ture, pH, dissolved oxygen, and conductivity. It also
supports Ion Selective Electrodes (ISE) and the Oxygen
Reduction Potential Electrode (ORP). It is designed for
a wide range of water studies.
The PASPORT Dissolved Oxygen Sensor and Water
Quality Sensor work with PASPORT-compatible inter-
faces such as the ones listed below.
Rack
Bottles
Lid
25%
50%
75%
100%
0%
Latch
WARNING: Do not clean the
bottles in an autoclave or
dishwasher on a heated cycle.
Sensor
Model
PASPORT Dissolved Oxygen Sensor
PS-2108
Dissolved Oxygen Sensor
CI-6542
Option
Model
PASPORT Water Quality Sensor
PS-2169
PASPORT Interface
Model
850 Universal Interface
UI-5000
Xplorer GLX
PS-2002
SPARK Science Learning System
PS-2008
SPARKlink
PS-2009
PASPORT AirLink 2
PS-2010
SPARKlink Air
PS-2011
USB Link
PS-2100
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Summary
M o d e l N o . M E - 6 9 3 7 S a m p l e A c t i v i t y 2 012-10941B The CI-6542 Dissolved Oxygen Sensor works with the PASCO 850 Universal Interface (UI-5000). See the PASCO catalog or the PASCO web site at www.pasco.com for more information about PASCO sensors and interfaces. CAUTION The bottles...
M o d e l N o . M E - 6 9 3 7 S a m p l e A c t i v i t y 3 012-10941B 5. Calibrate the DO sensor. (See the instructions that came with the sensor and the data collection system.) 6. Begin monitoring data without recording. 7. Remove the DO probe from its storage bottle and carefully insert the prob...
M o d e l N o . M E - 6 9 3 7 S a m p l e D a t a 4 012-10941B Table 1: Dissolved Oxygen and Productivity at Various Light Intensities Data Analysis 1. Calculate the respiration rate (R) for your group's algae solution and record in Table 1. R equals the total amount of dissolved oxygen consumed in ...
