EUTECH INSTRUMENTS OAKTON DO 110 User manual

Instruction Manual
DO 110
Hand-held Dissolved Oxygen Meter with RS 232C
Technolo
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68X361305
Rev. 0 - 11/05

Preface
This manual serves to explain the use of the hand-held series meters. The model
covered is the DO 110 hand-held meter.
The manual functions in two ways, firstly as a step by step guide to help the user
operate the meter. Secondly, it serves as a handy reference guide.
This instruction manual is written to cover as many anticipated applications of the DO
meter as possible. If there are doubts in the use of the DO110 meters, do not
hesitate to contact the nearest Authorised Distributor.
It is recommended that all operators should read this manual prior to working with
this instrument. Eutech Instruments / Oakton Instruments cannot 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 Pte Ltd / Oakton Instruments.
Copyright © 2005 All rights reserved.
Eutech Instruments Pte Ltd
Oakton Instruments
Rev. 0 - 11/05

TABLE OF CONTENTS
1INTRODUCTION.................................................................................................... 1
2DISPLAY & KEYPAD FUNCTIONS...................................................................... 2
2.1 DISPLAY................................................................................................................................... 2
2.2 KEYPAD ................................................................................................................................... 3
3PREPARATION ..................................................................................................... 4
3.1 INSERTING THE BATTERIES ........................................................................................................ 4
3.2 CONNECTING THE DO PROBE.................................................................................................... 4
3.3 CONNECTING THE AC/DC ADAPTER........................................................................................... 6
3.4 CONNECTING THE RS232C CABLE ............................................................................................ 6
3.4.1 RS232C Configuration..................................................................................................... 7
4CALIBRATION....................................................................................................... 8
4.1 IMPORTANT INFORMATION ON METER CALIBRATION ..................................................................... 8
4.2 TEMPERATURE CALIBRATION ..................................................................................................... 9
4.3 DO CALIBRATION (WITH ATC) –% SATURATION MODE .............................................................. 10
4.3.1 To calibrate 100% Saturation: ....................................................................................... 10
4.3.2 To calibrate 0% Saturation: ........................................................................................... 10
4.4 DO CALIBRATION IN MG/L (PPM)MODE..................................................................................... 11
5MEASUREMENT ................................................................................................. 12
5.1 AUTOMATIC TEMPERATURE COMPENSATION ............................................................................. 12
5.2 MANUAL TEMPERATURE COMPENSATION (MTC) ....................................................................... 12
5.3 TAKING MEASUREMENTS ......................................................................................................... 13
5.3.1 Taking measurements with READY indicator selected on............................................. 13
5.3.2 Taking measurements with the AUTO HOLD feature selected on................................. 13
6MEMORY FUNCTION.......................................................................................... 14
6.1 MEMORY INPUT ...................................................................................................................... 14
6.2 MEMORY RECALL ................................................................................................................... 14
7PRINT FUNCTION ............................................................................................... 15
7.1 USING DO 110 METER WITH PRINTER OR COMPUTER............................................................... 15
7.2 SENDING DATA TO COMPUTER OR PRINTER ............................................................................. 16
7.2.1 Print Current Data Manually .......................................................................................... 17
7.2.2 Print Data on Timed Interval.......................................................................................... 17
7.3 PRINT DATA FROM STORED MEMORY ....................................................................................... 18
8ADVANCED SETUP FUNCTIONS...................................................................... 20
8.1 ADVANCED SETUP MODE OVERVIEW ...................................................................................... 21
8.2 P1.0 :UNIT CONFIGURATION (COF) ........................................................................................ 23
8.2.1 P1.1: READY Indicator and Auto Hold function............................................................. 23
8.2.2 P1.2: Select °C or °F temperature units......................................................................... 24
8.2.3 P1.3: Selection of Automatic or Manual Temperature Compensation............................ 24
8.2.4 P1.4: Select mg/L or ppm mode.................................................................................... 25
8.3 P2.0: VIEWING PREVIOUS CALIBRATION DATA (CAL) ................................................................ 26
8.4 P3.0: VIEW ELECTRODE DATA (ELE) ....................................................................................... 26
8.4.1 EL.1 Viewing the electrode Slope Factor....................................................................... 26
8.4.2 EL.2 Viewing the % Saturation Offset (Only available in % Saturation Set Up menu): .. 27
8.4.3 Viewing the 100% Saturation mV value......................................................................... 27
8.4.4 Viewing the 0% Saturation mV value............................................................................. 27
8.5 P4.0 :AUTO-OFF (ATO).......................................................................................................... 28
8.6 P5.0 :RESET TO FACTORY DEFAULT (RST) .............................................................................. 29
8.6.1 Calibration Reset........................................................................................................... 29

8.6.2 User Reset .................................................................................................................... 30
8.7 P6.0: MEMORY CLEAR (CLR)................................................................................................. 31
8.8 P7.0: DISSOLVED OXYGEN PARAMETERS (DPR)....................................................................... 32
8.8.1 Pressure Setting Adjustment......................................................................................... 32
8.8.2 Salinity Setting Adjustment (available in mg/L or ppm Set Up mode only).................... 32
8.9 P8.0: %SATURATION OFFSET ADJUSTMENT (OFS) ................................................................. 33
9CYBERCOMM PORTABLE DAS........................................................................34
9.1 SYSTEM REQUIREMENTS ......................................................................................................... 34
9.2 LOADING CYBERCOMM PORTABLE DAS ................................................................................... 34
9.3 RUNNING CYBERCOMM PORTABLE .......................................................................................... 41
i. Buttons & Check-Box ........................................................................................................... 42
ii. Menu .................................................................................................................................... 42
iii. Communication Settings................................................................................................... 43
9.4 CAPTURING AND PRINTING DATA INTO COMPUTER USING DATA ACQUISITION ............................. 44
9.5 TROUBLE-SHOOTING GUIDE..................................................................................................... 44
10 DISSOLVED OXYGEN PROBE .......................................................................45
10.1 DISSOLVED OXYGEN PRINCIPLE ........................................................................................... 45
10.2 PROBE CARE ...................................................................................................................... 45
10.3 MEMBRANE HOUSING REPLACEMENT.................................................................................... 46
10.3.1 To replace the membrane cap (with pre-installed membrane) -..................................... 46
10.4 MEMBRANE/O-RING REPLACEMENT (OPTIONAL PROCEDURE)................................................. 47
10.5 ELECTROLYTE SOLUTION ..................................................................................................... 48
11 ERROR MESSAGES........................................................................................ 49
12 TROUBLE-SHOOTING..................................................................................... 49
13 LIST OF ACCESSORIES.................................................................................. 51
13.1 REPLACEMENT METER AND METER ACCESSORIES ................................................................. 51
14 SPECIFICATIONS ............................................................................................ 52
15 WARRANTY...................................................................................................... 53
16 RETURN OF ITEMS..........................................................................................53

Instruction Manual CyberScan DO 110
1
1 INTRODUCTION
Thank you for selecting the DO 110 meter. These meters are microprocessor-based
instruments and are designed to be handy, capable of allowing one-hand operation.
It is capable of measuring Dissolved Oxygen (DO) in mg/L or ppm units, % saturation
and temperature. This meter has many user-friendly features – all of which are
completely accessible through the water-resistant membrane keypad.
Please read this manual thoroughly before operating your meter.

Instruction Manual CyberScan DO 110
2
2 DISPLAY & KEYPAD FUNCTIONS
2.1 Display
The LCD has a primary and secondary display.
•The primary display shows the measured % Saturation or mg/L (or ppm)
values.
•The secondary display shows the measured temperature.
The display also shows error messages, keypad functions and program functions.
SETUP MEM MEAS CAL
Primary Display
Secondary Display
ERR
MEM
ATC
°C °F
READY
HOLD
ON
OFF
-1.8.8.8
-1.8.8.8
123
4
5
6
7
8
910111213
14
15
16
17
ppm
mg/l
%
Figure 1: Active LCD screen
1. SETUP - Setup mode
indicator
7. mg/l- milligram per liter
13. - Electrode indicator
2. MEAS - Measurement mode
indicator
8. °C°F - Temperature
indicator 14. - Calibration standard
indicator
3. CAL - Calibration indicator
9. ATC - Automatic
Temperature Compensation
indicator
15. ON – READY/Auto HOLD set
up enable indicator.
OFF – READY set up
disable indicator
4. MEM - Memory recall mode
indicator
10. ERR - Error indicator 16. HOLD – Hold indicator
5. %- Percentage Saturation
of Oxygen
11. MEM - Memory location
indicator
17. READY – Ready indicator
6. ppm – parts per million
12 - Low battery indicator

Instruction Manual CyberScan DO 110
3
2.2 Keypad
A large membrane keypad makes the instrument easy to use. Some buttons have
several functions depending on its mode of operation.
KEY FUNCTION
OFF
ON
•ON/OFF - Powers on and shuts off the meter. The meter will start in a
measurement mode similar to the last measurement mode it is in before
being switched off.
•CAL - Activates the DO % Saturation or mg/l calibration mode and when
used with the MODE key, it activates the temperature calibration mode.
•MEAS - Allows return to measurement mode when canceling or terminating
any operation.
•HOLD - Activates/Deactivates freezing of the measured reading while in
measurement mode.
•ENTER - Confirms the calibration values in Calibration mode and the
selection in SETUP and Print Function mode.
Scroll through the memory location and the stored data during memory
recall.
MI
MR
•MI (Memory Input) - Captures the measured readings with its
corresponding temperature values and stores them in the memory.
•MR (Memory Recall) - Retrieves the stored data from memory.
•▲▼ - Sets the calibration values during mg/l or temperature calibration.
Scrolls through each SETUP and its sub group menu.
Scroll through Print Function menu and its parameters.
SETUP
•SETUP - Activates the parameter setting menu to allow you to customise
meter configuration, view calibration point and electrode data, select
auto power off, reset meter, clear memory, set % Saturation Offset and
set dissolved oxygen parameters. .
MODE
•MODE - Selects the measurement parameter option between % Saturation
with temperature and mg/L (or ppm) with temperature.
•PRINT - Allows print of current measurement or stored data to either the
printer or the computer.
ENTER
HOLD
MEAS
CAL

Instruction Manual CyberScan DO 110
4
3 PREPARATION
3.1 Inserting the Batteries
This meter is packaged with 4 “AAA” alkaline batteries required for operation. To
insert the batteries into the meter, follow the procedure outlined below.
1. To open the battery compartment, press down the catch of the battery cover.
See below.
2. Note the polarity and insert the batteries into the battery compartment correctly
3. Replace the battery cover into its original position, ensuring the catch is locked
in position.
Your hand-held meter is now ready for operation.
3.2 Connecting the DO Probe
The DO 110 uses a special notched 6-pin connector to attach the probe to the meter.
Figure 2: Open Battery Cover
Figure 3: Note battery's polarity
LR03 'AAA' (AM4)
MADE IN S'PORE

Instruction Manual CyberScan DO 110
5
NOTE: Do not substitute other probes or electrodes. For replacement
probe, see the “Accessories” section.
Keep connector dry and clean. Do not touch connector with soiled hands.
1. Line up the notch and 6 pins on the meter with the holes in the 6 pin
connector. Push down and screw the metal sleeve to lock the probe connector
into place.
2. To remove probe, unscrew the metal sleeve and slide up the probe connector.
While holding onto metal sleeve, pull probe away from the meter.
CAUTION: Do not pull on the probe cord or the probe wires might
disconnect.

Instruction Manual CyberScan DO 110
6
3.3 Connecting the AC/DC Adapter
Besides using four AAA-sized batteries as a power source, the DO 110 meter can
also operate from the power mains using an AC/DC power adapter. This is extremely
useful if you have an A.C. power source available (e.g. laboratory).
Before plugging in, switch off the meter and the power source of adapter. This is a
safety precaution that should be adhered to safeguard your meter.
1. Switch off the meter and power sources.
2. Select the correct AC/DC Adapter which matches your input mains voltage.
3. Select the correct output voltage of the AC/DC adapter. (Output Voltage: 9 to
15 V DC, Current: >=50 mA).
4. Gently insert the power adapter D.C. jack into the meter power socket.
5. Switch on the power source of the adapter followed by the meter.
3.4 Connecting the RS232C Cable
The DO 110 meter provides a RS232C output for you to
transmit your readings either to a printer or a computer via
a cable. This is useful in instances where the meter is used
for continuous monitoring of a certain process or
experiment. Data output to the printer or the computer can
then be evaluated.
The data is output in the ASCII format. This format allows
the data to be imported by a wide variety of software that
read ASCII data (e.g. Microsoft’s Excel, Lotus, Quattro-pro
etc.). A complimentary Data Acquisition Software (DAS) is
provided and it captures data transmitted into an ASCII
file for later use.
1. Open the printer port cover located at the bottom
end of the meter. Do not use excessive force when doing this. See Figure 4.
2. Noting the orientation of the RS232C connector, plug the male connector into
the RS232C port of the meter.
3. Fasten the RS232C connector by fastening the two screws at the side of the
male RS232C connector.
Figure 4: Location of
RS232C

Instruction Manual CyberScan DO 110
7
3.4.1 RS232C Configuration
The DO 110 meter has a 9 pin female RS232C connector with the following pin out:
PIN NO. DESCRIPTION
1 -
2 Transmit Data
3 -
4 -
5 CTS (Clear to Send)
6 -
7 GND (Ground)
8 -
9 -
A one-to-one connection can be made with a 9 pin RS232C port of the computer.
1
2
6
3
7
4
8
5
9
In case DO 110 meter’s output has to be sent to a 25 pin RS232C connector, the
following cable configuration may be used:
DO 110 25 pin connector
2 (TxD) (RxD) 3
5 (CTS) (RTS) 4
7 (GND) (GND) 7

Instruction Manual CyberScan DO 110
8
4 CALIBRATION
4.1 Important Information on Meter Calibration
The amount of oxygen dissolved in water will depend on its temperature, atmospheric
pressure and its salinity. While the pressure and salinity values are manually entered
into the instrument, the temperature is being measured by the probe. It is therefore
very important that the temperature is calibrated if necessary prior to the DO
calibration.
The measurements of % Saturation of DO will linearly affect the measurement for DO
in mg/L. Hence calibration in % Saturation of DO should be carried out first. This is
described in the following section.
Before calibrating, press MODE key to select the correct measurement mode. There
are 2 measurement modes for DO: mg/L or ppm, and % Saturation.
NOTE: All new calibrations will automatically over-ride existing calibration values.

Instruction Manual CyberScan DO 110
9
4.2 Temperature Calibration
DO in mg/L is dependent on temperature, so it is first
necessary to calibrate or verify the temperature reading. The
temperature sensor is part of the DO probe and the “ATC”
annunciator will light up on the LCD screen once the probe is
connected correctly to the meter.
1. Switch the meter on. The ATC annunciator will appear at
the right-hand side of the LCD.
2. Press the CAL/MEAS key to enter calibration mode.
3. While in calibration mode, press the MODE key to enter
temperature calibration mode. The primary display
shows the measured temperature reading according to
the last set offset1and the secondary display shows the
factory calibrated temperature measurement.
4. Dip the DO probe into a solution of known temperature
(i.e. a temperature bath). Allow time for the temperature
probe to stabilise.
5. Scroll with the MI/▲or MR/▼keys to set the correct
temperature value (i.e. the temperature of the
temperature bath). You can adjust the reading in
increments of 0.1°C.
6. Once you have selected the correct temperature, press
the HOLD/ENTER key. The meter automatically returns
to the measurement mode.
NOTES: You can offset the temperature reading up to ±5°C
from original reading.
To exit this program without confirming the temperature
calibration value, DO NOT press ENTER. Press CAL/MEAS
instead.
1It displays the value being measured currently, offset by the last calibration.
MEAS
%
%
ATC
°C
98.9
22.3
MEAS
%
ATC
°C
22.0
CAL
83.4
100.0
CAL
A
TC
°C
22.3
22.3
ATC
°C
22.0
22.3
CAL
READY
MEAS
CAL
MODE
MIMR
ENTER
HOLD
98.9

Instruction Manual CyberScan DO 110
10
4.3 DO Calibration (with ATC) –% Saturation Mode
Dissolved Oxygen exact calibration value depends on barometric pressure. The
meter is set to a factory default of 760 mm Hg, which results in a
calibration value of 100% saturation in air.
NOTE: If the barometric pressure setting has been changed
from 760 mm Hg, the calibration value in air will automatically
adjust to a value other than 100%. The adjusted value will be
correct for the new barometric pressure setting. See Section
8.8.1 for barometric pressure setting.
4.3.1 To calibrate 100% Saturation:
1. Press MODE key to select % Saturation mode.
2. Rinse the probe well with deionised rinse water. For
best accuracy, blot the end of the probe dry. Do not
touch the membrane.
3. Hold the probe in the air gently with the sensor facing
down and press CAL key to calibrate the meter. The
primary display will show the current value of
measurement and the secondary display will show
“100.0” (or the value corrected to its barometric
pressure setting) to which the meter is going to be
calibrated. Wait for the reading to stabilize.
4. Press ENTER key to confirm the calibration. The meter automatically
calibrates to 100% air saturation and returns to the measurement mode.
4.3.2 To calibrate 0% Saturation:
1. Press MODE key to select % Saturation mode
2. Rinse the probe well with deionised rinse water.
3. Immerse the DO probe in 0% solution. Stir gently to
create a homogenous solution. Wait for the reading to
stabilize.
4. Press CAL key to calibrate the meter. The primary
display will show the current value of measurement
and the secondary display will show “0.0” to which the
meter is going to be calibrated.
5. Press ENTER key to confirm the calibration. The meter
automatically calibrates to 0% saturation and returns to
the measurement mode.
NOTE: To exit from DO Calibration mode without confirming calibration,
DO NOT press ENTER. Press CAL/MEAS instead
READY
READY
MEAS
%
%
ATC
°C
25.3
MEAS
%
ATC
°C
25.3
CAL
83.4
83.4
100.0
READY
MEAS
CAL
ENTER
HOLD
100.0
READY
READY
MEAS
%
%
ATC
°C
25.3
MEAS
%
ATC
°C
25.3
CAL
3.4
3.4
0.0
READY
MEAS
CAL
ENTER
HOLD
0.0

Instruction Manual CyberScan DO 110
11
4.4 DO Calibration in mg/L (ppm) Mode
The amount of oxygen dissolved in a liquid will depend on its
temperature, pressure and salinity. It is therefore very important
to set these parameters correctly before attempting to do a
calibration.
Temperature is measured by the meter automatically. Pressure
and salinity values are keyed in manually as described in
Sections 8.8.1 and 8.8.2.
1. From the measurement mode, press MODE key to select
mg/L (ppm).
2. Rinse the probe well with deionised rinse water. For best
accuracy, blot the end of the probe dry. Do not touch the
membrane.
3. Dip the probe into a solution whose DO value is known.
4. Wait until the reading stabilizes. Press CAL key.
5. Adjust to the required value by pressing MI/Sor MR/T
key.
6. Press ENTER to confirm the calibration.
NOTE: To exit from DO Calibration mode without confirming
calibration, press CAL/MEAS key.
MEAS
ATC
°C
ATC
°C
mg/l
mg/l
8.10
8.10
24.5
CAL
8.10
READY
ATC
°C
mg/l
mg/l
8.24
8.24
CAL
8.10
READY
READY
24.5
MEAS
READY
A
TC
°C
MEAS
CAL
ENTER
HOLD
MI
MR

Instruction Manual CyberScan DO 110
12
5 MEASUREMENT
During measurement, care must be taken not to allow the membrane of the DO
probe touch any surface. The probe can either be fully or partially immersed in the
solution.
The READY indicator appears on the display when the readings stabilize. It will turn
off if the readings start to fluctuate.
NOTE: It is important that the sample is stirred constantly to allow it to flow past the
membrane for better readings.
5.1 Automatic Temperature Compensation
The ATC indicator on the LCD indicates automatic
temperature compensation (ATC).
5.2 Manual Temperature Compensation (MTC)
For manual temperature compensation (MTC), you must set
the ATC mode in the SETUP menu Program P 1.3 to “NO”.
See section 8.2.3. The [ATC] annunciator will disappear from
the LCD indicating manual temperature compensation mode.
1. Press the CAL/MEAS key to enter DO calibration
mode.
2. While in DO calibration mode, press the MODE key to
enter temperature calibration mode. The primary
display act as the adjustable temperature setting and
the secondary display shows the default temperature
value of 25°C or indicates the last set temperature
setting.
3. Check the temperature of your sample using an
accurate thermometer.
4. Press the MI/▲or MR/▼keys to set the temperature
to the measured value from step 3.
5. Press HOLD/ENTER key to confirm the selected temperature and to return to
the measurement mode.
6. The meter will now compensate DO readings for the manually set
temperature.
NOTES:
To exit this program without confirming the manual temperature
compensation value, DO NOT press ENTER in step 5. Press CAL/MEAS
instead.
Figure 5: ATC indicator
MEAS
°C
30.0
CAL
°C
25.0
25.0
°C
30.0
25.0
CAL
READY
MIMR
ENTER
HOLD
%
98.9
MEAS
%
ATC
°C
98.9
24.5

Instruction Manual CyberScan DO 110
13
5.3 Taking Measurements
1. Rinse the probe with deionised or distilled water before use to remove any
impurities adhering to the probe body. If it is dehydrated, soak it for 30
minutes in tap water.
2. Switch on the meter. The MEAS annunciator appears on the top of the
LCD. The ATC indicator appears in the lower right hand corner to indicate
Automatic Temperature Compensation.
3. Dip the probe into the sample and allow some time for the reading to
stabilize
NOTE: When dipping the probe into the sample, make sure the tip of the
probe is completely immersed. Stir the sample gently to create a
homogenous sample. Be sure to tap probe very gently to remove air
bubbles. Air bubbles will cause errors in the reading.
4. .When the reading is stable, the READY annunciator appears. Note the
reading on the display.
5. Press the HOLD key to freeze the value of the DO
reading for a delayed observation. Press the HOLD
key again to release the held values.
6. To toggle between % Saturation and mg/l (ppm)
measurement mode, press the MODE key.
NOTE: This meter shuts off automatically after 20 minutes of
last key press. If the meter is shut off either automatically or
manually, the HOLD value will be lost. For longer storage, use
the memory functions.
5.3.1 Taking measurements with READY indicator selected on
If the READY indicator has been activated, the READY annunciator lights when the
reading is stable. You can switch the READY indicator on or off in SETUP program.
See 8.2.1 - P1.1: READY Indicator and Auto Hold function on page 23.
5.3.2 Taking measurements with the AUTO HOLD feature selected on
When a reading is stable for more than 5 seconds, the AUTO HOLD feature will
automatically “HOLD” the reading. The “HOLD” indicator appears on the left side of
the display. Press the HOLD/ENTER key to release the reading. Switch the Auto
Hold feature on or off in SETUP program in section 8.2.1 - P1.1: READY Indicator
and Auto Hold function on page 23.
MEAS
%
ATC
°C
98.9
MODE
mg/l
8.24
24.5
24.5
MEAS
READY
ATC
°C

Instruction Manual CyberScan DO 110
14
6 MEMORY FUNCTION
The DO 110 meter can store up to 100 sets of data. You can store data in any
combination of values such as “% Saturation and temperature” or “mg/L (or ppm) and
temperature”.
6.1 Memory Input
1. During any measurement function (MEAS), press MI/▲
key to input any data into the memory.
2. MEM, “Sto” and memory number will flash. The meter
then returns to measurement mode.
3. If the memory is full, the display will flash “MEM – FUL”
momentarily (Figure 7). The first value stored will be
erased to create space for the new value.
6.2 Memory Recall
This function recalls the previous readings stored in the memory. Memory recall is in
“Last In First Out” order. To recall readings:
1. Press the MR/▼key once to retrieve the last reading stored. The memory
location screen – MEM, “Loc” and the memory number – will flash on the
display.
2. Press the HOLD/ENTER key to recall the reading stored
under that memory number.
3. To display next stored reading, press HOLD/ENTER key. The
display automatically moves to the next lower memory
location screen.
4. To view a stored reading in a specific memory location, press
MI/▲or MR/▼keys to locate it, and press
HOLD/ENTER key to display the reading.
NOTE: Readings stored in memory are retained even if the
unit is turned off. To erase all readings stored in memory, use the SETUP
in section 8.7 – P 6.0: Memory Clear (CLr) on page 31.
MEM
MEM
loc
loc
25
26
MIMR
Figure 6: Data
stora
g
e in memor
y
Figure 7: Memory full
Figure 8: Scroll up or down
for s
p
ecific memor
y
location
MEM
MEM
1
MI
MEAS
%
ATC
°C
98.9
24.5
MEM
MEM
FUL

Instruction Manual CyberScan DO 110
15
7 PRINT FUNCTION
The DO 110 meter is equipped with an RS232 communication port and a PRINT
() key that facilitate the printing of data from the meter to a printer or computer.
7.1 Using DO 110 Meter With Printer or Computer
1. To use the DO 110 directly with a printer, the printer should have either a 9
pin or a 25 pin RS 232C serial port.
2. Communication settings of the printer or computer’s data acquisition
software (CyberComm Portable DAS) MUST match the following
parameters:
a. Baud Rate: 9600
b. Parity Bit: None
c. Stop Bit: One
d. Data Bit: 8
e. Flow Control: None
3. Please refer to your printer’s or computer’s instruction manual for more
information on its communication setup protocol.
4. Use 9-pin cable (Refer to section 13 - LIST OF ACCESSORIES on page
51) to connect the meter to the printer. If the printer has a 25 pin connector,
use the 9 to 25 pin cable or make your own cable taking note of the
connection parameters as described in section 3.4.1 - RS232C
Configuration on page 7.
5. Turn on DO 110 meter and note the following:
a. For printer, ensure it is powered on and paper is loaded.
b. For computer, ensure that Eutech Instruments’ CyberComm
Portable Data Acquisition Software is installed and activated. See
section 9.3 - on page 41.
6. To send data to the printer or computer, press the PRINT key.