YSI EcoSense ODO200 Bedienungsanleitung

USER MANUAL

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EcoSense®ODO200

Dissolved oxygen & temperature

instrument

User Manual

DOCUMENT #606335

CONTENTS

Warranty ................................................................................................i

Introduction .........................................................................................1

Getting Started ....................................................................................1

Initial Inspection.....................................................................1

Precautions .............................................................................1

The Probe.........................................................................1

Initial Setup ............................................................................2

Preparing the Probe ........................................................2

Battery Installation...........................................................3

Key Pad....................................................................................4

Main Display ..........................................................................5

Operational Procedures - Taking Measurements.............................6

Measurement Modes - % or mg/L........................................7

Sampling modes - Continuous or Manual...........................7

Saving, Viewing and Deleting Data......................................7

Calibration ..............................................................................8

Temperature.....................................................................8

Dissolved Oxygen ...........................................................8

Maintenance and Troubleshooting ...................................................9

Sensor Maintenance - Dissolved Oxygen............................9

Cleaning the Sensor Cap................................................9

Sensor Cap Replacement ............................................10

Entering Sensor Cap Coefficients into the EcoSense

ODO200.........................................................................11

Rehydrating the Sensor Cap ......................................12

Sensor Maintenance - Temperature ...................................12

Sensor Storage.....................................................................12

Short-term Storage ......................................................12

Long-term Storage ........................................................13

Troubleshooting...................................................................13

Specifications.....................................................................................14

Accessories / Part Numbers .............................................................15

Contact Information and Service .....................................................16

Ordering and Technical Support........................................16

Service Information..............................................................16

Recycling...............................................................................16

Appendix A-DO% Calibration Values..............................................17

WARRANTY

The EcoSense® ODO200 Instrument, probe, cable and sensor cap are

warranted for one year from date of purchase by the end user against

defects in materials and workmanship, exclusive of batteries and any

damage caused by defective batteries. Within the warranty period, YSI will

repair or replace, at its sole discretion, free of charge, any product that YSI

determines to be covered by this warranty.

To exercise this warranty, write or call your local YSI representative, or

contact YSI Customer Service in Yellow Springs, Ohio at +1 937 767-7241,

800-765-4974 or visit YSI.com for a Product Return Form. Send the product

and proof of purchase, transportation prepaid, to the Authorized Service

Center selected by YSI. Repair or replacement will be made and the

product returned, transportation prepaid. Repaired or replaced products

are warranted for the balance of the original warranty period, or at least 90

days from date of repair or replacement.

Limitation of Warranty

This Warranty does not apply to any YSI product damage or failure caused

by: (i) failure to install, operate or use the product in accordance with

YSI’s written instructions; (ii) abuse or misuse of the product; (iii) failure

to maintain the product in accordance with YSI’s written instructions or

standard industry procedure; (iv) any improper repairs to the product; (v)

use by you of defective or improper components or parts in servicing or

repairing the product; or (vi) modification of the product in any way not

expressly authorized by YSI.

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR

IMPLIED, INCLUDINGANYWARRANTY OFMERCHANTABILITYOR FITNESS

FOR A PARTICULAR PURPOSE. YSI’s LIABILITY UNDER THIS WARRANTY

IS LIMITED TO REPAIR OR REPLACEMENT OF THE PRODUCT, AND THIS

SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY DEFECTIVE

PRODUCT COVERED BY THIS WARRANTY. IN NO EVENT SHALL YSI BE

LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL

DAMAGES RESULTING FROM ANY DEFECTIVE PRODUCT COVERED BY

THIS WARRANTY.

INTRODUCTION

Thank you for purchasing the EcoSense ODO200, a precise handheld

instrument that measures temperature and dissolved oxygen in % and

mg/L. The EcoSense ODO200 measures dissolved oxygen in water

using optical, lifetime luminescence technology and uses a digital

signal to send information between the instrument and probe. Key

advantages of the EcoSense ODO200 include the elimination of sensor

flow dependence (stirring) and sensor warm-up time, greater stability,

less frequent calibrations, and the elimination of frequent membrane/

electrolyte changes. This instrument uses one 9V battery.

GE T TING S TA R TED

THE PROBE

Sensor caps last longer if stored in a moist environment and kept clean

and free of scratches in the paint layer. Erratic readings can result from

damaged or dirty caps. If unstable readings occur from large scratches

in the paint or dye layer, replace the sensor cap. See the Maintenance

and Troubleshooting section of this manual for information on how to

clean or replace the sensor cap. The average sensor cap replacement

interval is 12 to 18 months, although they may last longer.

Avoid substances that may damage probe materials such as

concentrated acid, caustics and strong solvents. Probe materials

include urethane (cable), Xenoy (probe body), acrylic (sensor cap) and

acetal and stainless steel (probe guard).

To prevent the sensor cap from drying out, store the probe in the gray

calibration/storage sleeve with a moistened, clean sponge. In the event

the sensor cap dries out, rehydrate it following the instructions in the

Maintenance and Troubleshooting section of this manual.

INITIAL SETUP

Throughout the manual, the term “probe” refers to the end of the cable

where the sensor is located, the term “sensor” refers to the Optical

Dissolved Oxygen sensing portion of the cable/probe assembly, and

the term “sensor cap” refers to the removable sensing cap that is

replaced about once per year (Figure 1).

Figure 1

PREPARING THE PROBE

Each EcoSense ODO200 sensor cap has unique calibration coefficients

associated with it. These coefficients are labeled on the instruction

sheet included with each EcoSense ODO200 cable/probe assembly

and replacement ODO200 sensor cap.

Remove the probe/cable assembly from the shipping container and

locate the sensor cap instruction sheet. Be sure to save the instruction

sheet in case you need to reload these calibration coefficients.

New probe/cable assemblies have the sensor cap installed and

coefficients loaded into the probe at the factory. When a cable is

installed, the coefficients are automatically sent to the instrument.

Preparing the probe for the first time:

1. Remove the probe guard from the probe by turning it

counterclockwise.

2. Remove the red storage cap which contains a moist sponge from

the end of the probe by pulling it straight off the sensor. Save this

to use later for long term storage.

Sensor

Probe

Sensor Cap

3. Reinstall the probe guard by sliding it carefully over the sensor and

then threading it onto the cable/probe assembly with a clockwise

rotation (Figure 2).

4. Locate the gray calibration/storage sleeve that was shipped with

your probe/cable assembly. Moisten the sponge in the gray

calibration/storage with a small amount of clean water.

5. Slide the calibration/storage sleeve over the probe guard to keep

the probe in a moist environment for storage and calibration

(Figure 3). It is important to always keep your sensor in a moist

environment so the sensor cap does not dry out.

6. Connect the cable to the instrument by aligning the connectors,

pushing them together and then screwing down the retainer

clockwise.

Figure 2 Figure 3

BATTERY INSTALLATION

To install (or replace) the battery, remove

the two battery cover screws and battery

cover. Replace the 9V battery. Replace the

battery cover and o-ring (be sure to align

the o-ring correctly to prevent a bad seal)

and fasten the two battery cover screws.

An initial display of “LOW BAT” on the

LCD indicates approximately one hour of

battery life for unit operation within specifications. Replace battery

when “LOW BAT” appears on the LCD.

Battery Disposal

This instrument is powered by a 9 volt battery, which the user must

remove and dispose of when the battery no longer powers the

instrument. Disposal requirements vary by country and region, and

users are expected to understand and follow the battery disposal

requirements for their specific locale.

Figure 4

KEY PAD

Number Key Description

1Power key. Turns the unit on or off.

2, 6 Up and down arrow key. Used

to adjust inputs for salinity

correction, calibration and

sensor cap coefficients

3Calibration key. Press to calibrate

the dissolved oxygen sensor.

4Cap key. Press to enter new

sensor cap coefficients.

Figure 5

5Mode key. Adjusts between

measurement modes (%, mg/L),

recalling saved data (rCL) and

deleting saved data (dEL).

7Enter key. Used to confirm

calibration, to save data

from run screen, to select

data mode (rCL/dEL), and

confirm coefficient entries.

8Sample/Mode key. Press and

hold for 3 seconds to switch

between continuous and manual

measurement modes. Press and

release to restart the measurement

when in manual mode. Continuous

mode: the instrument will

continuously update the dissolved

oxygen measurement. Manual

mode: the instrument will update

the DO reading until reaching a

stable measurement. The stable

measurement will be ‘locked’ on

the display until the user initiates

a new measurement reading by

pressing the Sample/Mode key.

MAIN DISPLAY

4 5

Number Description

BAT: Low battery indicator.

Continuous or Manual sampling mode indicator.

When in Manual mode, manual will blink until the

measurement is stable.

CAL: Calibration mode indicator.

Data record indicator.

Temperature reading in Celsius.

mbar: Displays during calibration to prompt user for

true barometric pressure.

Main display for dissolved oxygen measurements in

either % or mg/L.

Save, Full, Recall, Each, All, Delete: Instrument’s data

storage indicators.

SAL ppt: Displays during calibration when user is

prompted for the approximate salinity (in ppt) of the

sample to be tested.

CAP, K1, K2, K3, K4, K5, KC: Sensor cap coefficient

indicators when entering new sensor cap coefficients.

OPERATIONAL PROCEDURES -

TAKING MEASUREMENTS

Press to turn the unit on or off. When turned on, the instrument will

perform a self-diagnostic test during which an error message may

display. This is normal. After the self-diagnostic test completes, the

temperature displays in the lower right and the dissolved oxygen

measurement displays in the center of the display (figure 6). The unit is

ready for operation. If necessary, perform a 1-point dissolved oxygen

calibration. The digital instrument and probe can hold its calibration

for many months but should be verified regularly.

Immerse the probe into the sample solution to take a measurement.

When the unit is not in use, turn it off to save battery life. It is not

necessary to recalibrate the instrument after turning it off and back on.

The instrument has a 30 minute auto shut off feature when not in use.

Figure 6

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