Apera Instruments Premium Series User manual

Premium Series

EC60 Conductivity Tester Kit

(Conductivity/TDS/Salinity/Temp.)

User Manual

APERA INSTRUMENTS (Europe) GmbH

aperainst.de

V6.3

Thank you for purchasing Apera Instruments EC60 Premium Conductivity Tester. Please

carefully read this manual before using the product in order to take reliable measurements

and avoid unnecessary damage to the product.

Contents

1. Battery Installation ......................................................................................................................2

2. Keypad Functions.......................................................................................................................3

3. Complete Kit...............................................................................................................................3

4. Conductivity Calibration ..............................................................................................................3

5. Conductivity Measurement..........................................................................................................4

6. Probe Care .................................................................................................................................5

7. Parameter Setting.......................................................................................................................5

8. Technical Specifications..............................................................................................................6

9. Icons and Functions....................................................................................................................7

10. Probe Replacement ..................................................................................................................7

11. Warranty...................................................................................................................................7

1. Battery Installation

Please install the batteries according to the following steps. *Please pay attention to the direction

of batteries: All POSITIVE SIDES (“+”) FACING UP. (Wrong installation of batteries will cause

damage to the tester and potential hazards)

①Pull the battery cap up

②Slide the battery cap along to the direction of arrow

③Open the battery cap

④Insert the batteries (ALL POSITIVE SIDES FACING UP) (see graph)

⑤Close the battery cap

⑥Slide and lock the battery cap along to the direction of arrow

⑦Fit the tester’s cap while making sure to push all the way down. The tester’s

waterproof design may be compromised if the cap is not fitted correctly.

2. Keypad Functions

Short press ----- < 2 seconds

Long press ------ > 2 seconds

3. Complete Kit

4. Conductivity Calibration

4.1 Press key to switch to conductivity measurement mode. Rinse the probe in distilled water

and dry it.

4.2 Pour certain amount (about half volume of the calibration bottle) of 1413 μS/cm and 12.88

mS/cm conductivity calibration solution into accordant calibration bottles.

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 pressto turn onbacklight.

1. In measurement mode, short press to switch

parameter COND →TDS →SAL

2. 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

4.3 Long press key to enter calibration mode, short press to exit.

4.4 Dip the probe in 1413 μS/cm conductivity calibration solution, stir gently and allow it to stand

still in the solution until a stable reading is reached. When stable icon appears and stays on

the LCD screen, short press key to complete one-point calibration, the tester returns to

measurement mode and indication icon will appear at the bottom left of the LCD screen.

4.5 After calibration, dip the probe in 12.88 mS/cm conductivity calibration solution. If the value is

accurate, it is not necessary to conduct 2nd point calibration. If it is inaccurate, follow the steps in

4.1 to 4.4 to complete the 2nd point of calibration using 12.88 mS/cm standard solution.

4.6 If you need to test conductivity lower than 100µS/cm, we recommend calibrating 84 µS/cm

standard solution (sold separately) in addition to 1413 µS/cm following the steps in 4.1 to 4.4.

* 1000 µS/cm = 1 mS/cm

* 1000 ppm = 1 ppt

5. Conductivity Measurement

Press key to turn on the tester. Rinse the probe in distilled water and dry it.

Dip the probe in sample solution, stir gently, and allow it to stand still in the solution until a stable

reading is reached. Take readings after comes up and stays. Press to switch from

conductivity to TDS, or salinity.

■Notes

a) TDS and Salinity measurements are converted from the conductivity measurements via a

certain conversion factor.

b) The tester can calibrate 84μS/cm, 1413 μS/cm, and 12.88 mS/cm conductivity calibration

solution. User can conduct 1 to 3 points calibration. Refer to the table below. Usually

calibrating the tester with 1413 μS/cm conductivity buffer solution alone shall meet the

testing requirement.

Calibration Indication Icon

Calibration Standards

Measuring Range

84 μS/cm

0 - 100 μS/cm

1413 μS/cm

100 - 2000 μS/cm

12.88 mS/cm

2 - 20 mS/cm

5.1 The tester has been calibrated before leaving the factory. Generally, users can use the tester

directly or users can test conductivity buffer solutions first. If the error is large, then calibration is

needed.

5.2 For conductivity calibration solutions, we recommend that users replace new solutions after up

to 5 times of use to ensure the standard solution’s accuracy. Close the cap after use. Do NOT pour

the used calibration solutions back into the solution bottles in case of contamination.

5.3 Temperature compensation factor: The default setting of the temp. compensation factor is

2.0%/°C. User can adjust the factor based on test solution and experimental data in parameter

setting P4.

Solution

Temperature

compensation factor

Solution

Temperature

compensation factor

NaCl

2.12%/˚C

10% Hydrochloric acid

1.32%/˚C

5% NaOH

1.72%/˚C

5% Sulfuric acid

0.96%/˚C

Dilute ammonia

1.88%/˚C

5.4 TDS and conductivity is linear related, and its conversion factor is 0.40-1.00. Adjust the factor

in parameter setting P4 based on the requirements in different industries. The factory default

setting is 0.71. Salinity and conductivity is linear related, and its conversion factor is 0.5. The tester

only needs to be calibrated in Conductivity mode, then after calibration of conductivity, the meter

can switch from conductivity to TDS or salinity.

5.5 Conversion Example: if conductivity measurement is 1000µS/cm, then the default TDS

measurement will be 710 ppm (under the default 0.71 conversion factor), and the salinity be 0.5

ppt.

5.6 For the self-diagnosis information, please refer to the table below:

Symbol

Self-Diagnosis information

How to fix

Wrong conductivity calibration

solution

1. Check if standard calibration solution is

expired or contaminated.

2. Check if the probe isdamaged.

is pushed before stays

on screen.

Wait for the smile icon to stay on screen

and then press to confirm calibration.

6. Probe Care

When not using the tester, fill up the probe cap with some distilled or tap water, let the conductivity

probe store in it and close thecap to keep its sensitivity. When the conductivity probe is contaminated,

use a soft brush and soap water to wash off the contaminants, then rinse with clean water. Do not

rub the black pins just so the platinum black coating will not be peeled off.

7. Parameter Setting

7.1 Settings 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 Default

No –Yes

7.2 Parameter Setting

When turned off, long press to enter parameter setting → short press to switch P1-

P2… → P8. Short press , parameter flashes →short press to choose parameter →

short press to confirm → long press to go back to measurement mode.

7.3 Parameter Setting Instruction

a) Automatic lock (P1):

Select “On”to activate auto lock function. When reading is stable for more than 10 seconds,

the tester will lock the value automatically, and HOLD icon will display on LCD. Press

key to cancel auto hold.

b) Backlight (P2)

“Off”- turn off backlight, “On”- turn on backlight, 1 - backlight will last for 1 minute.

c) Factory default Setting (P7)

Select “Yes”to recover instrument calibration to theoretical value, parameter setting return to

initial value. This function can be used when instrument does not work well in calibration or

measurement. Calibrate and measure again after recover the instrument to factory default

status.

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

Salinity

Range

0-10.00 ppt

Resolution

0.01 ppt

Temperature

Range

0-50˚C

Resolution

0.1˚C

Accuracy

±0.5˚C

9. Icons and Functions

①Calibration points indication:

②Stable Measurement:

③Reading value Auto. Lock: HOLD

④Self-Diagnostic Information: Er1, Er2

⑤Low-Voltage warning: flashes, reminder of battery replacement

⑥Two-Color backlight:

Blue —Measurement Mode; Green —Calibration Mode;

⑦Auto. Power Off in 8 minutes if no operation.

10. Probe Replacement

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

probe’s position), and screw on the probe ring. The model numbers of replacement probes that are

compatible with EC60 is:

•EC60-E conductivity probe

11. Warranty

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

repair or replace free of charge, at option of APERA INSTRUMENTS (Europe) GmbH, any

malfunctioned or damaged product attributable to responsibility of APERA INSTRUMENTS

(Europe) GmbH for a period of two years from the delivery (a six-month limited warranty applies

to probes). 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, or 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 probe.

APERA INSTRUMENTS (Europe) GmbH

Wilhelm-Muthmann-Straße 18

42329 Wuppertal, Germany

Contact: inf[email protected]

Website: www.aperainst.de

Tel. +49 202 51988998

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