EUTECH INSTRUMENTS DO 6PLUS DISSOLVED OXYGEN TEMP Bedienungsanleitung
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Instruction Manual
DO 6+ Dissolved Oxygen/Temp
68X243634
Rev 0 Mar 09
Part of Thermo Fisher Scientific
Instruction Manual DO 6+
Instruction Manual DO 6+
Preface
This manual serves to explain the use of the DO 6+ hand held meter.
This manual functions in two ways: first as a step by step guide to help you
operate the meter; second, as a handy reference guide.
This manual is written to cover as many anticipated applications of the DO 6+
meter as possible. If there are doubts in the use of this meter, please do not
hesitate to contact the nearest Eutech Instruments Authorized Distributor.
Eutech Instruments will not accept any responsibility for damage or malfunction
to the meter caused by improper use of the instrument.
The information presented in this manual is subject to change without notice as
improvements are made, and does not represent a commitment on the part of
Eutech Instruments.
Copyright © 2009
Eutech Instruments Pte Ltd
All rights reserved.
Instruction Manual DO 6+
Instruction Manual DO 6+
Table of Contents
1. INTRODUCTION ...............................................................1
2. GETTING STARTED.........................................................2
2.1 Description of Keypad Functions ...................................................................2
2.2 Description of LCD Annunciators...................................................................3
2.3 Inserting & removing the rubber armour / stand.............................................4
2.4 Inserting New Batteries.................................................................................4
2.5 Battery Replacement .....................................................................................5
2.6 Connecting the Electrode...............................................................................5
2.7 Electrode Information.....................................................................................6
2.8 Switching the Meter On .................................................................................7
2.9 Changing Mode .............................................................................................7
3. CALIBRATION..................................................................8
3.1 General Information .......................................................................................8
3.2 Temperature Calibration ................................................................................10
3.3 % Saturation Calibration ................................................................................11
3.3.1 100% Calibration ...............................................................................11
3.3.2 0% Calibration ...................................................................................12
3.4 mg/L or ppm Calibration ................................................................................13
4. MEASUREMENT ..............................................................14
4.1 Temperature Compensation ..........................................................................14
4.2 Taking Measurements ...................................................................................15
4.3 Pressure & Salinity Compensated Measurements .........................................16
4.4 Holding a Reading .........................................................................................16
5. SETUP...............................................................................17
5.1 Configuration Menu (COF.1)..........................................................................21
5.2 Automatic Temperature Compensation (A.ATC)............................................21
5.3 Selection of mg/L or ppm (b.DO) ...................................................................22
5.4 Calibration Data (CAL.2)................................................................................22
5.5 Electrode Data (ELE.3)..................................................................................23
5.6 Automatic Shut Off (AtO.4) ............................................................................24
5.7 Reset to Factory Default (rSt.5) .....................................................................25
5.8 % Saturation Offset Adjustment (OFS.6) .......................................................26
5.9 Pressure & Salinity Adjustment......................................................................27
6. PROBE MAINTENANCE ..................................................29
6.1 Cap and Electrolyte Replacement..................................................................30
6.2 Electrolyte Solution........................................................................................31
7. TROUBLESHOOTING ......................................................31
8. ERROR MESSAGES ........................................................32
Instruction Manual DO 6+
9. FACTORY DEFAULT SETTINGS ....................................33
10. SPECIFICATIONS ............................................................34
11. REPLACEMENTS AND ACCESSORIES.........................36
12. DISSOLVED OXYGEN THEORY .....................................37
Measurement Units.....................................................................................................38
What Is Being Measured?...........................................................................................38
Air Calibration .............................................................................................................39
Applications ................................................................................................................39
13. WARRANTY......................................................................40
14. RETURN OF ITEMS..........................................................40
Instruction Manual DO 6+
- 1 -
1. INTRODUCTION
Thank you for purchasing the DO 6+. This microprocessor-based handheld
meter is economical and easy to use. It has a large custom LCD (Liquid Crystal
Display) for clear and easy reading.
The DO 6+ offers measurement of dissolved oxygen (DO) as percentage
saturation or concentration. Temperature measurement is also available in
degrees Celsius. The meter ensures accurate measurement of the dissolved
oxygen values through its temperature, barometric pressure and salinity
compensation features.
Meter kits include a dissolved oxygen probe, refill solution, a rubber armour /
stand, 4 alkaline “AAA” batteries, instruction manual, and warranty card. For
additional information, see Section 11 — REPLACEMENTS AND
ACCESSORIES.
Please read this manual thoroughly before operating your meter.
Instruction Manual DO 6+
- 2 -
2. GETTING STARTED
2.1 Description of Keypad Functions
Your meter has 6 keys on its splash-proof keypad.
Some buttons have multiple functions depending
on the mode of operation.
ON/OFF Powers meter on and off. Meter starts
up in the measurement mode that you
last switched off from.
CAL Enters into calibration mode. Pressing
while in calibration mode will abort
calibration without confirming value.
MODE Selects desired measurement mode.
When pressed simultaneously with
ON/OFF, it will take you into the SETUP mode.
For more information see Section 5 — SETUP.
HOLD Freezes measured reading. Press again to resume live reading.
ENTER Confirms calibration value in calibration mode and confirm selections
in SETUP mode.
Increment/decrement values during calibration mode or scroll through
SETUP menus. Set offset adjustments and configuration settings.
Instruction Manual DO 6+
- 3 -
2.2 Description of LCD Annunciators
Your meter has a large custom LCD that consists of 4-digit segments plus
annunciators for percentage saturation (%), concentration (mg/L or ppm) and
Temperature in degrees Celsius (T).
Other annunciators include “A” (when the ATC function is activated), “CAL”
(when meter is in calibration mode) and low battery condition.
Active LCD display for DO 6+
milligram per litre
(Concentration Mode)
mg/l
ppm
%
TA
14-segment Liquid Crystal Display
Low Battery annunciato
r
Calibration Mode
Annunciator
CAL
Temperature Mode
A T C annunciator
parts per million
Percentage
(Percentage Saturation
Mode)
Instruction Manual DO 6+
- 4 -
2.3 Inserting & removing the rubber armour / stand
1. To remove meter from rubber armour, push out from the bottom edges of
meter until it is completely out of boot. Ensure that your electrode cables
are not connected. See Figure 1.
2. To insert meter into armour, slide in from the top of meter before pushing
the bottom edges of meter down to set it into position. Lift up the stand at
the back of meter for bench top applications if necessary. See Figure 2.
Ing New Batteries
2.4 Inserting New Batteries
The battery compartment is found at the back of instrument. To open the battery
compartment, push in the direction of arrow and lift up the cover. Note the
polarity of battery before inserting into position. After replacement, place cover
back and press down until it locks.
Figure 1 Figure 2
2
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