Lovibond SD 50 pH Manuel utilisateur

SD 50

Lock/Unlock Data!

C. Select pH/mV

D. Backlight ON/OFF

____________________________________________________________________________________________

Note: Icons/Characters in RED meaning "BLINK"

: Hit once / : Press and hold / : Release

F. Store Data

1. In lock mode: 2s

2. In measurement mode: 2s (or 2s )

3. When the storage is full, it will overwrite the oldest data.

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

G. System Setup

Menu selection:

2s (latest memory#)

(7.00 or 6.86) (dd-mm-yy/24hr or mm-dd-yy/12hr) (°C or °F)

(31-12 24 or 12-31 12ampm) .....

To enter:

F. pH Buffer 7.00 -> 4.00 -> 10.00

MEASUREMENT

pH CALIBRATION

Immerse the probe

into pH7 buffer

solution. Exit here for one

point calibration

Exit here for two

point calibration

or go for second point calibration as follows:

or go for third point calibration as follows:

wait

Clean the probe ﬁrst,

then immerse into pH4

buffer solution.

Clean the probe ﬁrst,

then immerse into

pH10 buffer solution.

(4) (7) (10)

on the Display

Remove protective cap from the probe

E. Store Data

Three point calibration

ﬁnished.

L M H

Low, Middle, High

Press

Press for

3 seconds

Insert the batteries

unlock

off

unlock

off

Automatically turns off after 8 minutes of

inactivity.

Possible slight delay after pressing

before freeze of the data (!).

Mode „mV“ does not show ORP on the display,

only milivolts.

to switch, unfreeze data (see B).

After 3 sec. the ﬁle no. temporarily appears

on the display, e.g. 02.

Once the storage has reached max. capacity,

the data will overwrite the oldest ﬁles.

off

lock

• Re-Calibrate according to individual recommendations! Rinse the electrode with destilled water after each measurement.

• Choose Lovibond Standard Solutions or produce them with buffer tablets according to the kit manual (see backside).

Remove protective cap from the probe.

Power ON (see A)

Characters in RED represent „Flashing symbols“.

4 5 6

1 2 3

www.ssb-berlin.de

V. Set Data/Time display type

VI. Electrode Replacement

SETUP

I. Recall Data

II. Select Buffer System

III. Set Date and Time

IV. Set Temperature system (°C/°F)

Recall Data

go to l.

Set Temperature

go to lV.

Select Buffer System

go to ll.

Set Data/Time display

type go to V.

Set Date and Time

go to lll.

To enter.

3 sec

Minutes

24 h

Hours

Year

Month

Day

Month

pH Buffer

Order Codes

721250 pH buffer-set 4.00/7.00/10.00 (25°C)

721252 pH buffer 4.00 (25°C) 1 litre

721254 pH buffer 7.00 (25°C) 1 litre

721256 pH buffer 10.00 (25°C) 1 litre

515600 Buffer tablets pH 10 100 pc.

515601 Buffer tablets pH 10 250 pc.

515610 Buffer tablets pH 7 100 pc.

515611 Buffer tablets pH 7 250 pc.

515620 Buffer tablets pH 4 100 pc.

515621 Buffer tablets pH 4 250 pc.

Accessories

1950017 Battery CR 2032 (2 Batteries required)

194820 pH replacement electrode

384801 Beaker, 100 ml

Preparation of buffer solution

1. FilI a clean beaker with 20 ml deionised/

distilled water.

2. Add one buffer tablet of the required pH-

value and shake or crush with a clean

stirring rod until the tablet disintegrates.

3. Allow to stand for about two minutes

to ensure that the buffer is completely

dissolved and to allow any insoluble

particles to settle.

4. Immerse the electrode into the beaker

and calibrate the SD 50 in accordance

with this instruction manual.

5. Remove the electrode and rinse it tho-

roughly.

6. Use the buffer solution only once.

Note

It is important to rinse the

electrode before immerse in

a buffer solution of a different

value.

Accuracy

Fresh buffer solutions should

always be made up in dei-

onised/distilled water. The

maximum tolerance based

on the pH values 4, 7 and 10

is ±0.05 pH.

Warranty

The waterproof SD 50 is war-

ranted to be free from manu-

facturing defects for 2 years

and electrode (probe) modul

for 6 months.

G. System Setup

Unfreeze data ﬁrst (see frontside B) before Menu selection.

Delete stored data.

Automatic Exit

Select V. `Set Data/ Time display type‘ ﬁrst.

to increase (+);

new electrode

No.: 00386910

to decrease (-)

Adjustment:

Press for

further ﬁles. Exit

Exit

°C °C

select select

°F

123

4 5 6

Content

1 pH Meter SD 50 in a robust

plastic case with strap

2 Batteries

10 pH 4 Buffer tablets (1 strip)

10 pH 7 Buffer tablets (1 strip)

10 pH 10 Buffer tablets (1 strip)

1 Lenyard

1 Instruction Manual

Instruction manuals available in further languages, visit www.lovibond.com

SD 50 pH Specications/Features

am/pm

12 hour clock

or 24 hour

clock

am/pm 12 hour clock

24 hour clock

Characters in RED represent „Flashing symbols“.

www.ssb-berlin.de

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