TESTO 206 Manuale utente

Instruction Manual

testo 206

pH/Temperature Measuring Instrument

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

General Information

2

General Information

Please read this document through carefully and familiarise

yourself with the operation of the product before putting it to use.

Keep this documentation to hand so that you can refer to it when

necessary.

Symbols and what they mean

Symbol Meaning Remarks

Warning text: Warning! Please read warning

Serious physical injuries could occur carefully and take the

if the precautionary measures precautionary measures

specified are not taken. specified.

Warning text: Caution! Please read warning

Light physical injuries could occur carefully and take the

if the precautionary measures precautionary measures

specified are not taken. specified.

Note Pay particular attention

to Notes.

Button name Press button.

Text, Display content Text or symbol is shown

on the display.

Button

Contents 3

Contents

General Information ..........................................................2

Contents ..........................................................................3

1. Safety Information ............................................................4

2. Intended Purpose ............................................................5

3. Product Description ..........................................................6

3.1 Display and control elements ..............................................................6

3.2 Probe/BNC modules ..........................................................................6

3.3 Power..................................................................................................7

3.4 TopSafe ..............................................................................................7

3.5 Storage cap ........................................................................................7

3.5 Wall/Transport bracket ........................................................................7

4. Initial Operation ................................................................8

4.1 Insert battery ......................................................................................8

4.2 Connect external probe (BNC module pH3 only) ................................8

5. Operation ........................................................................8

5.1 Switching on/off ..................................................................................8

5.2 Setting instrument ..............................................................................8

5.3 Measuring ........................................................................................10

5.4 Calibrating instrument........................................................................11

6. Service and Maintenance................................................12

6.1 Checking electrolyte gel ....................................................................12

6.2 Cleaning housing/TopSafe ................................................................12

6.3 Changing the module ........................................................................13

6.4 Changing battery ..............................................................................13

7. Questions and Answers..................................................14

8. Technical data ................................................................15

9. Accessories and Spare Parts..........................................15

en

1. Safety Information

4

1. Safety Information

Avoid electrical hazards:

Do not measure on or near live parts!

Preserving product safety/warranty claims:

Operate the instrument properly and according to its intended

purpose and within the parameters specified. Do not use

force.

Do not store together with solvents (e.g. acetone).

Temperature data on probes/sensors refer only to the

measurement area of the sensors. Do not expose handles and

cables to temperatures greater than 70°C if they are not

specifically designed for higher temperatures.

Open the instrument only when this is expressly described in

the documentation for maintenance purposes.

Only the maintenance and service work described in the

documentation should be carried out. Please adhere to the

steps specified. For safety reasons, only original spare parts

from Testo should be used.

Ensure correct disposal:

Disposal of defective rechargeable batteries and spent

batteries at the collection points provided.

Send the instrument directly to us at the end of its life cycle.

We will ensure that it is disposed of in an environmentally

friendly manner.

2. Intended Purpose 5

2. Intended Purpose

testo 206 is a practical instrument for spot check measurements

of pH value and temperature.

It has different applications depending on the probe/BNC module

used.

testo 206 with pH1 immersion probe

Measurement of liquid substances in the following sectors:

· Food companies (e.g. fruit juices)

· Industry (e.g. refrigerant, electroplating, chip production, paints

and varnish, print products)

· Chemistry (e.g. cleaning agents)

· Environmental protection (e.g. drinking water/waste water)

· Swimming pools, aquaria

· Agriculture

· Fish farming

· Pharmaceuticals and biotechnology

testo 206 with pH2 penetration probe

Measurement of semi-solid substances in food production and

processing: e.g. marmelades, marzipan, pastes, ready-to-serve

salad, gelling agents, fruit, milk products, bakery and

confectionery products. Laboratory measurements in companies

involved in the processing of food.

testo 206 with pH3 BNC module

The BNC socket is used to connect external pH probes. Ranges

of application depend on the probe attached.

testo 2206 iisnnot ssuitable ffor ddiagnostic mmeasurements iintthe

medical ssector.

en

Test Equipment Depot - 800.517.8431

99 Washington Street,Melrose, MA 02176

TestEquipmentDepot.com

3. Product Description

3.1 Display and control elements

3.2 Probe/BNC modules

MMOODDEE::

Changes function,

calls up “manual temperature

compensation” (pH3 BNC-

module only with non-

temperature compensated

probe)

OONN//HHOOLLDD::

On/Off switch,

holds readings

BBaatttteerryy

ccoommppaarrttmmeenntt

(rear side) CCAALL::Calls up “calibration”

mode

DDiissppllaayy

BBNNCCmmoodduullee((ppHH33))

PPeenneettrraattiioonnpprroobbee((ppHH22))

IImmmmeerrssiioonnpprroobbee((ppHH11))

3. Product Description

6

3. Product Description 7

3.3 Power

Power is via a button cell (Typ CR2032, 3V; included with

delivery).

3.4 TopSafe

TopSafe protects the instrument from

moisture and mechanical strain (impact).

We recommend you always use TopSafe.

The IP68 protection class is achieved if

the instrument is placed inside the

TopSafe and is closed.

3.5 Storage cap

The storage cap filled with electrolyte gel is

used to store the probe between

measurements.

The probe is only immediately ready to

operate if stored in electrolyte gel.

If the probe has been out of the electrolyte gel for a longer period

of time, it must be stored in the electrolyte gel for approx. 12

hours to regenerate.

The storage cap can also be attached to the wall/transport

bracket.

3.5 Wall/Transport bracket

The wall/transport bracket with belt holder

and attachment unit for the storage cap is

used for the safe storage of the

measurement instrument at a fixed point or

during transport.

en

4. Initial Operation

8

4. Initial Operation

4.1 Insert battery

1Open the TopSafe sealing cap and remove instrument.

2Open battery compartment on rear of instrument.

3Insert button cell (Type CR2032, 3V). The (+) sign must be

visible.

4Close battery compartment.

5Remove protection strip on the storage cap.

4.2 Connect external probe(BNC module pH3 only)

Attach BNC plug from the external probe to the BNC socket

and seal with the aid of a bayonet coupling.

5. Operation

5.1 Switching on/off

Switch on instrument: .

- All segments light up briefly and the instrument changes to the

measurement mode.

Switch off instrument: Keep pressed.

5.2 Setting instrument

The following functions can be set:

Function Description Setting options

Temperature unit Sets unit °C or °F

Auto Hold (AUTO HOLD) Automatically holds reading, On (switched on) or

as soon as it is stable* OFF (switched off)

Gradient/ Offset Displays gradient and offset None

values stored in the instrument (Information only)

(amount)

Calibration method (CAL) Sets 1, 2 or 3 point 1P,2P or 3P

calibration

Calibration points (CAL pH) Sets calibration points 1P: 4,7or 10

2P: 47or 710

ON/HOLD

ON/HOLD

5. Operation 9

Function Description Setting options

Auto Off (AUTO OFF) Instrument switches off On (switched on) or

automatically after 10 minutes OFF (switched off)

if no button has been pressed

Beeper (bP) Warning sound (button pressed, On (switched on) or

stable reading reached with OFF (switched off)

Auto Hold function switched on)

* Modification less than 0.02pH in 20s

The setting procedure can be interrupted by switching off the

instrument. The modifications are then not saved.

The instrument is switched off.

1Opening the setting mode: is kept pressed + .

2Select temperature unit (°C or °F): .

Confirm selection: .

3Switch Hold on (On) or off (OFF): .

Confirm selection: .

- The gradient and offset values stored in the instrument are

displayed as information.

4Change view: .

5Select calibration method (1P, 2P or 3P): .

Confirm selection: .

If 1 or 2 point calibration has been set:

Select calibration points (4, 7or 10, and 477or 7110): .

Confirm selection: .

6Switch Auto Off on (On) or off (OFF): .

Confirm selection: .

7Switch beeper on (On) or off (OFF): .

Confirm selection and save settings: .

- All of the segments light up briefly and the instrument changes

to the measurement mode.

MODE

CAL

MODE

CAL

MODE

CAL

MODE

CAL

MODE

MODE

CAL

MODE

CAL

ON/HOLDMODE

en

5. Operation

10

5.3 Measuring

Setting up the instrument

If large quantities of the electrolyte gel are stuck to the probe

when removed from the storage cap, it is a sign that the gel is

spent.

A new storage cap is needed.

Clean off the pH probe before and after each measurement

with low concentration soap water followed by tap water

(water temperature should be below 40°C). Dab dry with a

paper towel. Do not rub.

When using the BNC module, please note the application

information included with the external probe.

1Carefully remove storage cap.

2Switch on instrument: .

Carry out measurement

Measurement tip made of glass, risk of breakage!

Risk of injury on account of glass parts which remain in the

measurement medium.

Check measurement tip of pH probe after each

measurement for damage.

Immerse/penetrate probe in the medium to be measured.

- The measured pH and temperature values are displayed. The

readings are updated twice a second.

Hold readings manually: .

Restart measurement: .

- If Auto-Hold is switched on, AUTO HOLD flashes until the

instrument has found a stable pH reading. The readings are

then frozen (AUTO HOLD lights up). If no stable pH readings

have been found within 300s, the measurement is stopped

( and AUTO HOLD light up).

Restart measurement: .

ON/HOLD

ON/HOLD

ON/HOLD

ON/HOLD

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