PCE Instruments PCE-WO2 10 Manual de usuario

PCE-WO2 10 Oxygen Meter

User Manual

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Last change: 8 August 2019

v1.0

English

 
 © PCE Instruments 
 
 
Contents 
1Safety notes........................................................................................... 1 
2Technical specifications ...................................................................... 2 
3Delivery Scope ......................................................................................2 
4Installing the Batteries ......................................................................... 3 
5Display ................................................................................................... 3 
6Keypad ................................................................................................... 4 
7Filling the Electrolyte Solution ............................................................ 5 
8Connecting the Dissolved Oxygen Probe ..........................................5 
9Switching the Tester On and Off ......................................................... 6 
10 Prior to Use............................................................................................6 
11 Setup Menu............................................................................................ 6 
11.1 Setting the default option.................................................................................................. 7 
12 Setting the salinity coefficient.............................................................8 
13 Setting the ambient pressure ..............................................................8 
14 DO Calibration in % Saturation Mode................................................. 9 
14.1 Single point calibration - 100% saturation......................................................................... 9 
14.2 2 points calibration........................................................................................................... 9 
15 Temperature Calibration ....................................................................10 
16 Dissolved Oxygen Measurement....................................................... 11 
17 Auto-Hold.............................................................................................11 
18 Electrode Care and Maintenance ......................................................12 
19 Troubleshooting.................................................................................. 12 
20 Addendum: Preparation of the Zero Oxygen Solution....................12 
21 Warranty...............................................................................................13 
22 Disposal ...............................................................................................13 
 
 
 

1 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The

device may only be used by qualified personnel and repaired by PCE Instruments personnel.

Damage or injuries caused by non-observance of the manual are excluded from our liability and

not covered by our warranty.

•The device must only be used as described in this instruction manual.If used otherwise,

this can cause dangerous situations for the user and damage to the meter.

•The instrument may only be used if the environmental conditions (temperature, relative

humidity, …) are within the ranges stated in the technical specifications. Do not expose

the device to extreme temperatures, direct sunlight, extreme humidity or moisture.

•Do not expose the device to shocks or strong vibrations.

•The case should only be opened by qualified PCE Instruments personnel.

•Never use the instrument when your hands are wet.

•You must not make any technical changes to the device.

•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,

no abrasives or solvents.

•The device must only be used with accessories from PCE Instruments or equivalent.

•Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

•Do not use the instrument in explosive atmospheres.

•The measurement range as stated in the specifications must not be exceeded under

any circumstances.

•Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Technical specifications

Measuring range oxygen content

0.0 ... 20.0 mg/l

Resolution oxygen content

0.1 mg/l

Measuring accuracy oxygen content

±0.5 mg/l

Measuring range oxygen saturation

0.0 ... 200.0 %

Resolution oxygen saturation

0.1 %

Measuring accuracy of oxygen saturation

±2.0 %

Temperature compensation

0 ... +40 °C / 32 ... 104 °F, automatic

Air pressure correction

60.0 ... 112.5 kPa, 450 ...850 mmHg

Salinity correction

0 ... 35 g/l

Sensor type

polarography

Environmental conditions

0 ... +60 °C / 32 ... 140 °F, max. 80 % r.H.

Power supply

2 x 1.5 AAA batteries

Dimension (length x radius)

175 x 40 mm / 6.8 x 1.5"

Weight

100 g / 3.5 oz

3 Delivery Scope

1 x Dissolved Oxygen Meter PCE-WO2 10

1 x Oxygen probe with measuring cable

2 x Membrane

1 x Electrolyte solution (30ml)

2 x 1.5 V AAA batteries

1 x User manual

1 x Carrying case

4 Installing the Batteries

•Twist the electrode collar counter clockwise, pull the 6-pin connector away from the

tester.

•Insert two AAA batteries into the battery compartment, note polarity.

•Align the slot on connector, gently push the connector into the tester.

•Twist the electrode collar clockwise until it is tight.

5 Display

PCE-WO2 10 pocket dissolved oxygen tester is equipped with an easy-to-read LCD display that

used to show the measured values and mode icons. The

following table describes the function of each icon.

INDEX:

ICON

DESCRIPTION

MEAS

Indicates the tester is in the measurement mode.

CAL

Indicates the tester is in the calibration mode.

SETUP

Indicates the tester is in the setting mode.

HOLD

Indicates the measuring value has been locked.

ATC

Indicates the temperature compensation is enabled.

When the battery is depleted, the icon will disappear.

6 Keypad

The tester has a succinct membrane keypad, names and symbols describe each function key

controls.

INDEX:

KEY

FUNCTION

MEAS/HOLD

• Switches the tester ON/OFF.

• Locks the measured value, press the key again to resume measuring.

• Exits the calibration or setting and returns to the measurement mode.

CAL

• Press the key to start the calibration.

• Press and hold the key to enter the setup menu.

• In the setting mode, press the key to select the default option.

ENTER

• Confirms the calibration or selected option.

7 Filling the Electrolyte Solution

•Take out the dissolved oxygen probe and electrolyte solution from the packaging. Unscrew

the membrane cap.

•Fill the membrane cap halfway with electrolyte solution.

•Screw the membrane cap onto the probe, excess electrolyte solution will drain out.

•Be sure the cathode of probe makes contact with membrane cap, the electrolyte solution in

membrane cap should be without an air bubble.

8 Connecting the Dissolved Oxygen Probe

Insert the 6-pin connector of probe into the connector socket on the tester. After the connection

is completed, DO NOT pull on the cable. Always make sure that the connector is clean and dry.

Cathode

9 Switching the Tester On and Off

•Press the Meas key to switch on the tester, the display shows measured values.

•Press and hold the Meas key for 5 seconds, the tester will switch off.

•To enable the Auto-Power Off function, please refer to chapter SETUP MENU.

10 Prior to Use

Switch on the tester 10 to 15 minutes and wait for the probe to polarize.

11 Setup Menu

PCE-WO2 10 pocket dissolved oxygen tester contains an integrated setup menu that is used to

customize the displayed option to meet measurement

requirements.

DESCRIPTION

OPTIONS

DEFAULT

Set the salinity coefficient of

sample.

Range: 0~35ppt

0.0ppt

Set the barometric pressure

coefficient.

Range:

450~850mmHg

760mmHg

Set the number of calibration

points.

1 point

2 points

Set the default measurement

unit.

mg/L

Concentration Unit

mg/L, °C

ppm

% saturation

Degrees Celsius

Degrees

Fahrenheit

Calibrate the temperature.

---

When the option is enabled,

the tester will automatically

sense a stable reading and

lock the measurements.

Enable

Disable

When the option is enabled,

the tester will automatically

switch off if no key is pressed

within 8 minutes.

Enable

Disable

Reset the tester to factory

default settings.

Enable

Disable

Power

5 sec.

Power

Off

11.1 Setting the default option

•Press and hold the Cal key for 3 seconds to enter the setup menu, the tester shows a

menu item and default option.

•If necessary, press the Cal key again to select the desired option.

•Press the Enter key to confirm, the tester moves to the next menu item.

•Repeat the steps above until the tester returns to the measurement mode. Setting is

completed.



•During the setting process, press the Meas key, the tester will exit the setup menu and

return to the measurement mode.

•If you do not want to calibrate the temperature, press the Enter key to skip the °C/CAL

or °F/CAL option.

•The Reset function will restore the tester back to factory default settings. If enabled, all

of the calibration data and selected parameters will be lost or reset, the tester must

be recalibrated.

Option

12 Setting the salinity coefficient

In order to get an accurate reading, the salinity of the sample should be specified which is done

with the help of a coefficient.

Salt dissolvedin waterwill influences oxygen content of water. If your sample contains highlevels

of salinity, ensure that setting an applicable salinity

coefficient prior to measurement.

•In the measurement mode, press and hold the Cal key for 3 seconds to enter the

setup menu, the display shows (salinity coefficient) option.

•Press the Cal key again to set the value.

•Press the Enter key to confirm, the display shows the next menu item.

•Press the Meas key to exit the setting and return to the measurement mode.

13 Setting the ambient pressure

To ensure an accurate reading, the ambient pressure must be set in the unit mmHg.

The following table will help to convert your ambient pressure into the required unit mmHg on

the basis of your current height.

ALTITUDE (m)

kPa

mmHg

ALTITUDE (m)

kPa

mmHg

101.3

760

1600

82.9

622

100

100.1

750

1700

81.9

614

200

98.8

741

1800

80.9

607

300

97.6

732

1900

79.9

599

400

96.4

723

2000

78.9

592

500

95.2

714

2100

77.9

584

600

94.0

705

2200

76.9

577

700

92.8

696

2300

76.0

570

800

91.7

688

2400

75.0

563

900

90.5

679

2500

74.1

556

1000

89.4

671

2600

73.2

549

1100

88.3

662

2700

72.3

542

1200

87.2

654

2800

71.4

536

1300

86.1

646

2900

70.5

529

1400

85.0

638

3000

69.6

522

1500

84.0

630

3100

68.7

515

•In the measurement mode, press and hold the Cal key for 3 seconds to enter the

setup menu, the display shows .

•Press the Enter key, the display shows (Barometric Pressure Coefficient)

option.

•Press the Cal key to set the value.

•Press the Enter key to confirm, the display shows the next menu item.

•Press the Meas key to exit the setting and return to the measurement mode.

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