Hach sensION+ EC 5 Manual do usuário

DOC022.97.90255

Manual

Manual de instruções

Manuel utilisateur

操作手册

07/2010, Edition 1

07/2010, Edición 1

07/2010, Edição 1

07/2010, Edition 1

2010

年7月，第一版

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ENGLISHESPAÑOLFRANÇAIS PORTUGUÊSCONTACT

中文

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1

Table of contents

1. Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . 3

2. General information . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1. Safety information . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1.1. Use of hazard information . . . . . . . . . . . . . . 4

2.1.2. Precautionary labels . . . . . . . . . . . . . . . . . . 4

2.2. General product information . . . . . . . . . . . . . . . . . . 4

3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1. Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1.1. Component list . . . . . . . . . . . . . . . . . . . . . . 5

3.1.2. Accessories . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2. Battery power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.2.1. Inserting the batteries . . . . . . . . . . . . . . . . . 6

3.3. Disconnecting/connecting the sensor . . . . . . . . . . . . 7

3.4. Carrying case . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4. Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1. General information . . . . . . . . . . . . . . . . . . . . . . . . 8

4.2. User interface and navigation . . . . . . . . . . . . . . . . . 8

4.2.1. Keyboard and display . . . . . . . . . . . . . . . . . 8

5. Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.1. Type of cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2. Temperature coefficient (TC) . . . . . . . . . . . . . . . . . . 9

5.3. Reference temperature (RT) . . . . . . . . . . . . . . . . . . . 9

5.4. TDS Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.1. Measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.1.1. Stability measuring . . . . . . . . . . . . . . . . . . . 10

6.1.2. Continuous measuring . . . . . . . . . . . . . . . . . 10

6.2. Changing measuring units (CE/NaCl/TDS) . . . . . . . . 10

6.3. Calibrating the conductivity cell . . . . . . . . . . . . . . . . 11

6.3.1. Preparation . . . . . . . . . . . . . . . . . . . . . . . . 11

6.3.2. One-point calibration . . . . . . . . . . . . . . . . . 11

6.3.3. Two- and three-point calibration . . . . . . . . . . 12

6.4. Readjusting temperature . . . . . . . . . . . . . . . . . . . . . 13

6.5. Manual calibration . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.5.1. Preparation . . . . . . . . . . . . . . . . . . . . . . . . 14

6.5.2. Calibration . . . . . . . . . . . . . . . . . . . . . . . . 14

6.6. Displaying calibration data . . . . . . . . . . . . . . . . . . . 15

6.7. Restoring factory settings . . . . . . . . . . . . . . . . . . . . . 16

6.8. Disabling auto power off . . . . . . . . . . . . . . . . . . . . 16

6.9. Changing temperature units . . . . . . . . . . . . . . . . . . 16

6.10. Display backlighting . . . . . . . . . . . . . . . . . . . . . . . 17

6.11. Shutting down the instrument . . . . . . . . . . . . . . . . . 17

7. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.1. Cleaning the measuring instrument and accessories . . 18

7.2. Storing the instrument . . . . . . . . . . . . . . . . . . . . . . 18

7.3. Changing batteries. . . . . . . . . . . . . . . . . . . . . . . . . 18

8. Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

9. Accessories and spare parts . . . . . . . . . . . . . . . . . . . 20

10. Standard solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

11. Limited warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Contact Information

ENGLISH

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3

1. Technical Specifications

Subject to change without notice.

Specifications

Display Liquid crystal, backlit, with pictograms

Keypad Membrane, 5 keys

Measuring ranges

(resolution depends on range)

Conductivity 0.01 µS/cm to 500 mS/cm

Salinity 0.0 to 1999 mg/L NaCl

2.0 to 50.0 g/L NaCl

TDS 0 mg/L to 500 g/L

Temperature –20.0 to 150.0 °C

–4.0 to 302.0 °F

Measuring error (± 1 digit) Conductivity ≤ 0.5 %

Salinity ≤ 0.5 %

TDS ≤ 0.5 %

Temperature ≤ 0.2 °C (0.4 °F)

Reproducibility (± 1 digit) Conductivity ± 0.1 %

Salinity ± 0.1 %

TDS ± 0.1 %

Temperature ± 0.1 °C (0.1 °F)

Temperature compensation With built-in Pt1000 temperature sensor

Reference temperature (RT) 20 or 25 °C (68 or 77 °F). Factory settings: 25 °C (77 °F)

Temperature coefficient (TC) 0.00 to 5.00%/°C (factory settings: 2%/ °C.)

TDS conversion factor 0.00 to 4.44 (factory settings: 0.64)

Calibration standards 147 µS/cm, 1413 µS/cm, 12.88 mS/cm and 111.8 mS/cm (at 25 °C/77 °F)

Accepted cell constant Between 0.05 and 50 cm

-1

(factory settings: 1.0 cm

-1

)

Dimensions of the measuring instrument and ambient conditions

Operating temperature 0 °C to 50 °C (32 °F to 122 °F)

Storage temperature –15 °C to 65 °C (5 °F to 149 °F)

Ambient conditions 80% relative humidity (non-condensing)

Weight 300 g

Size 186 x 73 x 38 mm

Additional technical data

Energy management Automatic power off after 5 minutes of inactivity

Type of protection IP 67

Power supply (batteries) Three 1.5V AA batteries. Autonomy of over 400 hours

Connector MP-5, five-contact multipin

Warranty

Warranty 3 years

ENGLISH

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4

2. General information

As a result of constant improvements to our products sometimes differences may exist between this manual

and the instructions supplied with the instrument.

2.1. Safety information

Please, read carefully this information before installing and using the instrument !

Pay attention to all danger and caution statements.

2.1.1. Use of hazard information

DANGER

Indicates a potentially or imminently hazardous situation that, if not avoided, will result in death

or serious injury.

WARNING

Indicates a potentially or imminently hazardous situation that, if not avoided, may result in death

or serious injury.

CAUTION

Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate

injury.

Important note: Indicates a situation that, if not avoided, could lead to damage to the instrument.

Important information that requires special emphasis.

Note: Information that supplements points in the main text.

2.1.2. Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument could

occur if not observed.

This symbol references the instruction manual for operation or safety information.

Electrical equipment marked with this symbol may not be disposed of in European public disposal

systems after 12 August of 2005. In conformity with European local and national regulations (EU

Directive 2002/96/EC), European electrical equipment users must now return old or end-of life

equipment to the Producer for disposal at no charge to the user.

Note: For return for recycling, please contact the equipment producer or supplier for instructions on

how to return end-of-life equipment, producer-supplied electrical accessories, and all auxiliary items

for proper disposal.

2.2. General information

The

sensION

™

+ EC 5

is a portable conductivity meter. To be able to use the instrument, you will need

to connect a sensor (Fig. 3, pg. 7).

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5

3. Installation

3.1.1. Component list

Code Instrument Cell Accessories Batteries Manual

LPV3500.97.0002

sensION

™

+ EC 5

–– ––

✓✓

LPV3560.97.0002

sensION

™

+ EC 5

LZW5060.97.0002

✓✓✓

LPV3562.97.0002

sensION

™

+ EC 5

LZW5062.97.0002

✓✓✓

ENGLISH

WARNING

Risk of falling. Measurements are made directly in situ with this instrument. To prevent the risk of

falling, ensure compliance with all local safety regulations on securing with ropes and on the use of

adequate protective clothing and footwear.

Risk of injury. Do not attach the measuring instrument to your body. The measuring sensor could

be accidentally caught in a motor or stirrer and could endanger the user through the connected

sensor cable.

3.1. Content of

sensION

™

+ EC 5

EC5

sensION

™

After removing the instrument, check each part for possible damage. All components on the attached list

must be present. If there are any missing or damaged parts, contact the manufacturer or distributor.

3.1.2. Accessories

• Carrying case.

• Standard solutions, 125 mL, 147 µS/cm,

1413 µS/cm and 12.88 mS/cm (25 °C).

Calibration tubes 147 µS/cm,

1413 µS/cm and 12.88 mS/cm.

• Two 90-mL bottles for sample and sensor

cleaning.

Fig. 1. Equipment composition

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6

3. Installation

3.2. Battery power

WARNING

Risk of fire or explosion. Use only AA alkaline batteries for the measuring instrument and ensure that

the batteries are correctly inserted in their compartment. Inserting batteries incorrectly can damage

the instrument and cause fires or explosions.

The measuring instrument works with three batteries (1.5 V, AA).

The batteries supplied have a useful life of approximately 400 hours.

Important note: never use different types of batteries together.

Important note: if the measuring instrument is not going to be used for a long period of time, remove

the batteries to prevent leakage in the instrument.

3.2.1. Inserting the batteries

1. Open the lid of the battery compartment by pressing and pulling on the tab.

2. Insert the batteries supplied (1.5 V AA). Note the polarity markings inside the battery compartment.

3. Close the lid of the battery compartment.

Fig. 2. Inserting the batteries

1

Tab

2

Battery compartment lid

3

Batteries

4

Battery compartment

+

2

1

3

4

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7

3. Installation

ENGLISH

3.3. Disconnecting/connecting the sensor

The

sensION

™

+ EC 5

kits are supplied with the sensor attached to the instrument.

Fig. 3. Disconnecting/connecting the sensor to the measuring instrument

Sensor disconnection

Sensor connection

Important note: do not unscrew the connector.

3.4. Carrying case

The carrying case can be used as a support for both, instrument and sensor, see figure.

Electrode position when

it is not in use.

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8

4. Start-up

4.1. General information

Important note: before start-up, make sure that the sensor is connected to the measuring instrument.

Fig. 4. Keypad descriptiont

Display

1

Measured conductivity/salinity/

TDS values.

2 Reference temperature.

3 Temperature of the sample.

4 Measuring time (hh:mm:ss).

5 Units of measurement.

6 Battery indicator.

Keypad

- Instrument on/off.

- Display light on.

- Start of measuring.

- Start of calibration.

- Selection of parameter and stan-

dard to calibrate.

- Selection of temperature units.

- Start of set-up.

1

2

3

4

@25ºC

@20ºC

μS/cm

mS/cm

mg/l

g/l

ºF

ºC

Bat

EC

TDS

Sal

T

t

6

5

4.2 User interface and navigation

4.2.1 Keyboard and display

Figure 4 indicates the instrument keys and display.

1. Connect the sensor (if necessary) to the

measuring instrument (Fig. 3, pg. 7).

2. Turn on the instrument.

3. Perform calibration (see pg. 11-12).

4. Take measurement (see pg.10).

Note: With the instrument switched off,

- Press the

key and the instrument

will begin measuring.

- Press the

key and the instrument

will begin calibration.

Software version. Instrument

serial number.

Platinum configured

cell (see pg. 9)

Standby screen.

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9

5. Set-up

ENGLISH

The

sensION

™

+ EC 5

is supplied configured with the following parameters:

- Cell: platinum (50 60).

- Temperature coefficient: 2.00%/°C.

- Reference temperature: 25°C.

- TDS calculation factor: 0.64.

To display and/or modify these parame-

ters, follow the diagram below.

5.1. Cell

5060, Platinum cell: Pt.

5062, Titanium cell: tI.

Important note:

You must configure the correct cell to en-

sure correct measuring.

5.2. Temperature

coefficient (TC)

Enter the relevant coefficient value (0.00

to 9.99%/°C).

Recommended value for aqueous sam-

ples: 2.00%/°C.

5.2. Reference

temperature (RT)

Select a value between 20 and 25°C.

5.3. TDS factor (F)

Enter the relevant value

(0.00 to 4.44).

2 s

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10

6. Operation

6.1. Measurement

Note: the instrument must be calibrated before reading

the first conductivity value.

1. Press

to turn on the instrument.

2. Remove the sensor protector.

3. Clean the sensor with deionized water.

4. Stir the sensor uniformly in the sample, holding it by

the top.

6.1.1. Stability measuring

Follow the diagram.

The reading is not stabilized on the screen until the

sensor signal varies less than ± 1 digit for 6 sec.

Once the reading has stabilized, the screen lights up

for 2 sec.

6.1.2. Continuous measuring

Once stability measuring has begun, press the

key

twice.

The instrument displays the measured value directly on

screen at all times.

The continuous reading should always be started after

beginning a stability reading (see diagram).

To end a continuous reading, press

.

The display will light up for 2 sec.

Note: If the measuring instrument is not used for 5 minu-

tes, it will shut off automatically.

6.2. Changing measuring units

(EC/NaCl/TDS)

To change the units of measurement from con-

ductivity (EC) to salinity (Sal/NaCl) or to TDS,

or vice versa.

2 s

+

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

Stability

measuring

Continuous

measuring

2 s 2 s

TDS

mg/l

Sal

mg/l

@25ºC

μS/cm

EC

Stability measuring

Hold down the

key for 2 s.

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11

6. Operation

ENGLISH

6.3.2. One-point calibration

Dip the sensor into the tube several times to homogenize the liquid. Do not

hold it by the tube to avoid heating of the standard solution.

Follow the diagram on the next page.

This form of calibration is acceptable when conductivity values around that

of the standard solution used are being measured.

Note: if the measuring instrument is not used for 5 minutes, it shuts off

automatically.

If errors occur during calibration, an error message will appear on screen

(see pg. 19).

Fig. 6. Preparation

6.3. Calibrating the conductivity sensor

Important note: before turning on the instrument, check that the sensor is connected.

The instrument must be calibrated before taking the first conductivity reading.

The calibration can be performed with 1, 2 or 3 points.

6.3.1. Preparation

1. Fill the tubes with the standard solutions (note the fill level).

2. Unscrew the protector and rinse the sensor with plenty of deionized water.

3. Screw the sensor on to the tube containing the first standard.

50 60

ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0 60

6

ºC

0

50 60

0 60

6

0 2 200000 μS/c

0.2... 200.000 μS/c

m -30 8

m -30... 8

0

ºC

C

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

1 2 3

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12

6. Operation

6.3.3. Two- and three-point calibration

Follow the diagram below.

The equipment will repeat the process described for the first stan-

dard solution with the second and third.

Dip the sensor into the tube several times to homogenize the li-

quid. Do not hold it by the tube to avoid heating of the standard

solution.

Note: if the measuring instrument is not used for 5 minutes, it shuts

off automatically.

If errors occur during calibration, an error message will appear

on screen (see pg. 19).

When you switch standards, rinse the cell with deionized water.

μS/cm

ºC

T

t

μS/cm

EC

ºC

T

t

μS/cm

EC

μS/cm

ºC

T

t

μS/cm

EC

ºC

T

t

μS/cm

EC

@25ºC

μS/cm

ºC

EC

T

t

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0 60

6

0 2 200000 S/c

0.2... 200.000 μS/c

m308

m -30... 8

0

ºC

0

50 60

0 60

6

0 2 200000 S/

0.2... 200.000 μS/c

30 8

m -30... 8

0

ºC

50 60

0.2... 200.000 μS/cm -30... 80ºC

50 60

0 60

6

0

50 60

0 60

6

Screw the

sensor

to the 1st tube

Screw the

sensor to the

2nd tube

To exit calibration

Two-point calibration

To exit calibration.

One-point calibration

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13

6. Operation

ENGLISH

6.4. Readjusting temperature

The instrument can correct the deviation of a temperature

probe (built into conductivity cells) at 25°C and 85°C (77°F

and 185°F).

This allows the instrument to be used as a precision thermo-

meter.

Follow the diagram.

Note: the process must be completed in order to store the

readjustment data.

2 s

μS/cm

@25ºC

μS/cm

ºC

EC

T

t

Enter the correction of

the temperature sensor at

25°C (77 °F).

To exit adjustment wi-

thout saving the data

Enter the correction of

the temperature sensor at

85°C (185 °F).

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14

6. Operation

6.5. Manual calibration

Important note: before turning on the instrument, check that the sensor is con-

nected.

Manual readjustment of conductivity (salinity or TDS) measured at any value within

the range.

When readjusting, the instrument behaves as though it were calibrated with a

single standard solution.

6.5.1. Preparation

1. Unscrew the sensor protector.

2. Rinse the sensor with plenty of deionized water.

3. Dip the sensor into the solution in which manual calibration is to be perfor-

med.

Note: Before beginning manual calibration, you must take a measurement in the

standard to be used in the calibration.

6.5.2. Calibration

Stir gently holding the sensor by the handle.

Follow the diagram.

(1) Hold down

and then press

.

Note: if the measuring instrument is not used for 5 minutes, it shuts off automa-

tically.

If errors occur during calibration, an error message will appear on screen (see

pg. 19).

Before beginning manual calibration, you must take a measurement in the stan-

dard to be used in the calibration.

Manual calibration may be performed in conductivity, salinity or TDS. Start the

process after selecting the correct units of measurement.

Important note: To exit calibration without saving the adjustment, press

.

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

EC

@25ºC

μS/cm

EC

(1)

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15

6. Operation

ENGLISH

6.6. Displaying calibration data

To view the data obtained after calibration on screen.

Note: during calibration, the instrument adjusts a constant for each standard.

Hence, a single constant will be displayed if one-point calibration was performed,

2 constants in the case of two-point calibration and 3 constants for three-point

calibration.

(1) Press the

keys simultaneously.

μS/cm

@25ºC

μS/cm

ºC

EC

T

t

Constant obtained from calibra-

tion with the 1st standard

Constant obtained from calibra-

tion with the 2nd standard

Calibration temperature

(1)

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16

6. Operation

6.7. Restoring factory settings

2 s

@25ºC

μS/cm

ºC

EC

T

t

6.9. Changing temperature units

The instrument is shipped ready to measure temperature and express the values in °C.

Follow the diagram to change the units to °F.

6.8. Disabling auto power off

if the measuring instrument is not used for 5 minutes, it shuts off automa-

tically. This automatic power off feature can be disabled.

2 s

etc.

Automatic power

off is disabled

Stable measurement

@25ºC

μS/cm

ºC

EC

T

t

@25ºC

μS/cm

EC

T

t

ºF

The current calibration can be erased and restored to the factory

settings.

(1)

(1) Press the

keys simultaneously.

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