User's Manual

ManualsBrandsPASCO Specialty & Mfg. ManualsOxygen EquipmentPASCO Specialty & Mfg. Aquatic Productivity Bottles ME-6937

Instruction Manual

012-10941B

Aquatic Productivity Bottles

ME-6937

800-772-8700 www.pasco.com

Introduction

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%

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

Summary of content (6 pages)

PAGE 1
Instruction Manual 012-10941B ® Aquatic Productivity Bottles ME-6937 WARNING: Do not clean the bottles in an autoclave or dishwasher on a heated cycle. Lid 25% 50% 75% 100% 0% Introduction The ME-6937 Aquatic Productivity Bottles rest in a rack that provides consistent and reliable light control for quantitative aquatic productivity studies.
PAGE 2
Model No. ME-6937 Sample Activity 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 included in this set are not intended to be autoclaved or cleaned in a dishwasher on a heated cycle.
PAGE 3
Model No. ME-6937 Sample Activity 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 probe into the culture. The silver ring on the probe should be immersed in the culture, but the probe should not be touching the bottom of the beaker. 8.
PAGE 4
Model No. ME-6937 Sample Data Table 1: Dissolved Oxygen and Productivity at Various Light Intensities Light Intensity Initial [DO] (mg/L) Final [DO] (mg/L) Respiration Rate (mg/L) Net Primary Productivity (mg/L) Gross Primary Productivity (mg/L) Data Analysis 1. Calculate the respiration rate (R) for your group's algae solution and record in Table 1.
PAGE 5
Model No. ME-6937 Sample Data Graph 1: Light Intensity (%) vs. Net Primary Productivity (mg/L) Graph 2: Light Intensity (%) vs. Gross Primary Productivity (mg/L NOTE: See the PASCO PS-2876 Advanced Biology Lab Manual for a full productivity lab.
PAGE 6
Model No. ME-6937 Technical Support Technical Support For assistance with any PASCO product, contact PASCO at: Address: PASCO scientific 10101 Foothills Blvd. Roseville, CA 95747-7100 Phone: 916-462-8384 (worldwide) 877-373-0300 (U.S.) Web: www.pasco.com Email: support@pasco.com For more information about the Aquatic Productivity Bottles and the latest revision of this Instruction Manual, visit the PASCO web site at www:pasco.com and enter the product number in the Search window.