Sper scientific 860055 Bedienungsanleitung

Dissolved Oxygen Pen

860055

Instruction Manual

Table of Contents

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

2. Accessories Included ....................... 1

3. LCD Display ..................................... 2

4. Key Pad Operation .......................... 2

5. Quick Start ....................................... 3

6. Calibration ....................................... 4

7. Operation ......................................... 4

8. Maintenance .................................... 6

9. Setup ............................................... 7

10. Troubleshooting ............................. 8

11. Specications ................................. 9

12. Warranty ...................................... 10

1. Introduction

Thank you for purchasing this long cable dissolved

oxygen pen. Please read the manual in its entirety

and retain for future use. Proper use and mainte-

nance of this product can result in accurate measure-

ments and extended service life.

Features:

• Large screen with adjustable brightness

• Small and easy to carry

• Accurate DO and temperature readings

• Low battery indicator

• Rechargeable via a USB Type-C cable

• Simple calibration in air, no chemicals needed

• Easy to maintain

• Built-in automatic temperature compensation

2. Accessories Included

• Dissolved Oxygen Meter

• Dissolved Oxygen Probe w/ 16ft (5m) cable

• 2 Replacement Membranes (PN: 850048H)

• Replacement Electrolyte (PN: 850048E)

• USB Type-C Charging Cable

• User Manual

• Carrying Case

3. LCD Display

4. Keypad Operation

•Short press to turn on. When no key is oper-

ated for 20 minutes, unit will auto power o󰀨.

Press and hold when turning on until the word

“n” appears to disable the auto o󰀨 feature.

•In power-on state, short press to HOLD

reading.

•In power-on state, long press to power o󰀨.

•In settings, short press to conrm setting.

•Short press to switch the units of measure.

(mg/L or %)

•Long press to enter the calibration.

•In settings, short press to adjust up.

•Short press to turn on the LCD back light,

short press again to turn o󰀨 back light.

•Long press to enter the settings menu.

•In settings, short press to adjust down.

5. Quick Start

1. No need to remove the anti-collision cover before

use.

2. This meter is ready to use and has been pre-lled

with electrolyte.

3. Short press the “POWER” button to turn on.

4. Please allow the unit to stabilize for 5 minutes

when rst powered on.

5. Before each measurement, place the probe in the

air for 100% saturated oxygen calibration.

6. If performing daily comparison testing, check the

reading at the regular time and regular spot.

7. Maintenance after a period of use is simple. Shake

the probe slightly then visibly check the amount of

electrolyte. If less than half full, unscrew the mem-

brane head and rell about 3/4 of the way full. If spill-

age occurs, simply wipe dry. The membrane head

should be replaced after approximately six months.

8. If usage is frequent and/or there is a large di󰀨er-

ence in comparison measurements, it is recommend-

ed to replace the membrane head and electrolyte.

9. When replacing the membrane head, make sure to

screw it on tightly. The membrane and the metal elec-

trode should be in close contact. Be sure to remove

any air bubbles in the electrolyte. A small amount of

air bubbles present is acceptable, but the center of

the membrane should be free of bubbles.

6. Calibration

In order to obtain accurate readings, we recommend

performing calibration before each operation, after

membrane and/or electrolyte replacement. There is

no need to remove the anti-collision cover to perform

calibration.

1. In normal mode, change measurement units to %

and place the probe in fresh air. Allow a few minutes

for readings to stabilize.

2. Long press “CAL” button to perform the 100% sat-

uration calibration. CAL will ash on the screen.

3. Wait for a few seconds to 1 minute while the read-

ing stabilizes. Once CAL stops ashing, short press

the “POWER” button to complete the calibration.

4. After calibration, the display value should read

between 99.0% to 101.0%. If an error occurs during

calibration, check the electrolyte level and make sure

the probe connection is secure.

7. Operation

Charge & checking probe

This product has a built-in rechargeable battery.

Unscrew the top cover and use the included USB

charging cable to charge. Battery will be charged in

1.5 hours and provide 60 hours of use.

The anti-collision cover on the D.O. probe provides

protection and does not need to be removed during

use.

Before each regular use, shake the probe gently and

visually inspect the electrolyte. Rell the probe with

electrolyte if the uid is less than half full.

Power on & o󰀨 the Meter

Short press the “POWER” button to turn on the LCD.

Long press the “POWER” button to turn o󰀨 the meter.

Calibration

This meter has been calibrated at the factory, but

calibration is still necessary before each use to obtain

the best results.

Please refer to the calibration section for calibration

procedures.

Obtain Measurements

Immerse the electrode in to the test solution and gen-

tly shake. The dissolved oxygen level and tempera-

ture will appear on the LCD.

Switching D.O. Units

Short pressing the “CAL” button with switch between

% and mg/L units.

LCD Back light

To make it easier to see in dark places, short press

the “SET” button to turn on or o󰀨 the LCD back light.

Holding a Reading

Short pressing the “POWER” button will temporarily

lock the current LCD reading. To release the held

reading, short press the “POWER” button.

6. Maintenance

Visual Checks

Check the probe every six months or when you ob-

serve strange readings.

1. The probe does not need to be lled entirely with

electrolyte but once the probe is less than half full, it

will need to be relled.

2. Be sure the probe surface is kept clean and no air

bubbles are trapped in the middle of the membrane.

Replacing the Membrane

The probe membrane should be replaced if any of

the following occurs:

-The probe has been used for six months or more.

-There is an error code E1 or E3.

-The membrane is damaged or wrinkled.

-The measurement speed is noticeably slower.

Steps:

1. Inspect the new membrane for any damage.

2. Slowly ll the new membrane until the membrane

cap is 3/4 full.

3. Unscrew the old membrane o󰀨 the probe. Inspect

the metal sensor on the probe for any debris and

wipe clean with a soft cloth.

4. Tightly screw on the new membrane on to the

probe. A small amount of air bubbles present is ac-

ceptable, but the center of the membrane should be

free of bubbles.

5. Perform calibration once membrane replacement

is complete.

7. Setup

This meter has an advanced setting mode that allows

you to customize parameters. To enter the settings

mode, long press the “SET” button.

The rst setting you will see is the salinity value. If

you want to select other parameters, short press the

“POWER” button to cycle through the menu.

When you see the parameter you want to set, short

press the “CAL” button and use the “CAL” button to

raise the value and use the “SET” button to decrease

the value. After adjustment short press the “POWER”

button to conrm.

Setting Icon Default Range

Salinity SAL 0.0 ppt 0.0 ~ 45.0 ppt

Pressure

Unit

AP mmHg mmHg or Kpa

Pressure AP 760mmHg

101.3Kpa

500~760mmHg

101.3~66.7Kpa

Temperature

Unit

Unt °C °C or °F

Back Light

Level

bL 2 1, 2, 3 Level

8. Troubleshooting

Error Code List

D.O. Value

E01: Indicates that the sensing element is damaged.

Repairs to the sensing element are not possible and

the probe will need to be replaced.

E03: The signal strength is to high, it is normal to

appear for a few seconds when powering on the unit.

If the E03 error continues, perform an air calibra-

tion. If no improvement, replace the membrane and

electrolyte. If no improvement, the probe will need to

be replaced.

E21: The measured temperature is lower than 10°C

or above 40°C. This is outside of the automatic tem-

perature compensation range. The D.O. pen will still

operate but the accuracy will be a󰀨ected.

Temperature Value

E01: Indicates that the sensing element is damaged.

Repairs to the sensing element are not possible and

the probe will need to be replaced.

E02: The temperature is lower than 0°C. Place probe

in an environment at or above 25°C for 5 minutes. If

no improvement, the probe will need to be replaced.

E03: The temperature is higher than 50°C. Place

probe in an environment at or above 25°C for 5

minutes. If no improvement, the probe will need to be

replaced.

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