Apera Instruments EC60 Bedienungsanleitung

EC60 Pocket Conductivity Tester

EC/TDS/Salinity/Temp.

APERA INSTRUMENTS, LLC

www.aperainst.com

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EC60 Pocket Conductivity Tester Instruction Manual

1 Battery Installation

Please install batteries according to the following steps. Please note polarity:

“+” (anode) is upward; “-” (cathode) is downward.

2 Keypad Functions

Short press — < 2 seconds

Long press — > 2 seconds

1. Short press to turn on the tester and long

press to turn off the tester.

2. When turned off, long press to enter

parameter setting.

3. In measurement mode, short press to turn

on backlight.

In measurement mode, short press to switch

parameter

→

In mode setting, short press to change

parameter (Unidirectional)

1. Long press to enter calibration mode.

2. In calibration mode, short press to confirm

calibration.

3. When measured value is locked, short press

to unlock.

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3 Complete Kit

4 Conductivity Calibration

1) Rinse the probe in distilled water and dry it. Short press to turn on the

tester.

2) Pour 1413 µS and 12.88 mS calibration solution to accordant calibration

bottles with proper amount (about half of the calibration bottles’ volume).

3) Long press to enter calibration mode; Short press to exit.

4) Dip the probe into 1413 µS calibration solution. Stir gently, leave it to stand,

LCD displays (Diagram 3), short press to complete 1-point calibration. The tester

returns to measuring mode, and calibration icon appears at the button left of LCD.

5) Rinse probe in distilled water and dry it. Follow the steps in 4.2-4.3 to complete 2nd point

calibration in 12.88 mS calibration solution, tester returns to measuring mode, calibration

icons display on bottom left of LCD.

Graph - 2

Diagram - 3

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5 Conductivity Measurement

1) Short press to turn on tester. Rinse probe in distilled water and dry it.

2) Stir probe in the sample solution gently, leave it to stand. Get readings after the smile icon

comes up and stays.

3) Press to switch from Conductivity to TDS or salinity.

6 Notes

1) The tester adopts 84 µS (sold separately), 1413 µS and 12.88 mS standard calibration

solutions. Users can use 1-3 point calibrations as needed. For most circumstances,

calibrating in 1413 µS to complete 1st point calibration will meet testing requirements.

Calibration Icons

Calibration Solution

Measuring Range

84 µS/cm

0 to 200 µS/cm

1413 µS/cm

200 to 2000 µS/cm

12.88 mS/cm

2 to 20 mS/cm

2) The tester has already been calibrated after manufacture. Usually users can use the

tester right away, or test it in the calibration solutions to test its accuracy. When error is

large, calibrate it before using.

3) The factory default temperature compensation coefficient is 2.0%/˚C. Users can adjust it

in P3 parameter setting according to the following table or laboratory data.

Solution

Temp. Compensation Coefficient

NaCl

2.12%/˚C

5% NaOH

1.72%/˚C

Diluted Ammonia

1.88%/˚C

10% Hydrochloric Acid

1.32%/˚C

5% Sulfuric Acid

0.96%/˚C

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4) TDS is proportional to the value of conductivity. The TDS coefficient ranges from 0.40 to

1.00. Users can adjust TDS coefficient by experimental data or experience in P4. The

following chart lists some commonly used TDS coefficients for reference (Factory default

value is 0.71).

Conductivity and TDS coefficient

Conductivity of the solution

TDS Coefficient

0~100 μS/cm

0.60

100~1000 μS/cm

0.71

1~10 mS/cm

0.81

10~100 mS/cm

0.94

5) Salinity is proportional to the value of conductivity. Its coefficient is 0.5. Users only need

to calibrate conductity, and then switch to TDS and/or salinity to take measurements.

6) The tester has self-diagnosis functions:

Symbol

Self-Diagnosis information

How to fix

Wrong calibration solution,

which exceeds the

recognizable range of the

meter.

1. Check if calibration solution is

correct

2. Check if probe is damaged.

is pushed before

measurement becomes stable

( comes up)

Wait for the smile icon to stay, and

then short press

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7 Parameter Setting

1) Parameter Setting Chart

Symbol

Content

Parameter

Factory Default

Auto Hold

Off-On

Off

Backlight

Off-1-On

1 (1 min auto-off)

Temp. Compensation Coefficient

0.00 to 4.00%

2.00%

TDS Coefficient

0.40 to 1.00

0.71

Salinity Unit

ppt-mg/L

ppt

Temperature Unit

˚C-˚F

˚C

Restore to Factory Defualt

No-Yes

2) Parameter Setting

When turned off, long press to enter parameter setting →short press to switch

P1-P2… →P7. Short Press , parameter flashes→short press to choose

parameter, → short press to confirm →Long press to switch off.

3) Parameter setting notes

a) Auto Hold (P1):

Set “On” to turn on auto hold function. When reading has been stable for 10 seconds, the

meter will lock the reading automatically, and HOLD icon will appear. Press to unlock

and continue measuring.

b) Backlight (P2):

Off – turn off the backlight; On – turn backlight always on; 1 – backlight lasts 1 minute

c) Restore to factory default (P7):

Select “Yes” to restore the meter’s calibration and other parameters back to factory default

value. When meter’s calibration or measuring is performing abnormally, users can perform

this function. After restoring to factory default, conduct calibration and measurement again.

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8 Technical Specifications

Conductivity

Range

0-200.0 µS, 0-2000 µS, 0-20.00 mS

Resolution

0.1/1 µS, 0.01 mS

Accuracy

±1% F.S

Calibration

1-3 points automatic calibration

TDS

Range

0-100,0 ppm, 0-1000 ppm, 0-10.00 ppt

Resolution

0.1/1 ppm, 0.01 ppt

Salintiy

Range

0-10.00 ppt

Resolution

0.01 ppt

Temperature

Range

0-50˚C

Resolution

0.1˚C

Accuracy

±0.5˚C

9 Other Functions and Parameters:

Screen

STN 180˚ viewing angle.

Blue backlit: measuring mode; Green backlit: calibration mode

Readings’ Lock

HOLD

Low battery reminder

flashes to remind to replace batteries

Automatic power-off

Auto power-off if no operation in 8 minutes

Waterproof level

IP67, floats on water

Power supply

AAA batteries*4

Battery Life

1000 hours

Dimensions/Weight

Meter: 40*40*178mm/133g

Carrying case: 255*210*50mm/438g

10 Probe Replacement

Twist off the probe ring, unplug the probe, plug in the new replacement probe (pay attention

to the electrode’s position), and screw on the probe ring. The model for EC60 tester’s

replacement probe is EC60-E (AI209)

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11 Warranty

We warrant this instrument to be free from defects in material and workmanship and agrees

to repair or replace free of charge, at option of APERA INSTRUMENTS, LLC, any

malfunctioned or damaged product attributable to responsibility of APERA INSTRUMENTS,

LLC for a period of two years from the delivery (a six-month limited warranty applies to

electrodes). This warranty does not apply to defects resulting from actions such as misuse

(violation of the instructions in this manual or operations in the manner not specified in this

manual), improper maintenance, and unauthorized repairs. Warranty period is the time limit

to provide free service for the products purchased by customers, not the service life of the

tester or electrode.

APERA INSTRUMENTS, LLC

Address: 977 Old Henderson Rd, Columbus Ohio 43220

Phone: 1-614-285-3080

Email: [email protected]

Website: www.aperainst.com

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