Apera EC60 User manual

EC60 Premium Conductivity Tester

(EC/TDS/Salinity/Temp.)

Instruction Manual

APERA INSTRUMENTS (Europe) GmbH

www.aperainst.de

V6.3

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

read this instruction manual before using the product in order to have an accurate and reliable

test result, and avoid unnecessary damages to the meter or probe.

For video tutorials, please go to support.aperainst.com

Contents

1. Battery Installation.................................................................................................................................. 3

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

3. Complete Kit............................................................................................................................................ 4

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

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

6. Parameter Setting ................................................................................................................................... 6

7. Technical Specifications .......................................................................................................................... 7

8. Icons and Functions ................................................................................................................................ 8

9. Probe Replacement................................................................................................................................. 8

10. Warranty ............................................................................................................................................... 8

1. Battery Installation

Please install batteries according to the following steps. *Please note direction of batteries: All

POSITIVE SIDES (“+”) FACING UP. (Wrong installation of batteries will cause damage to the

tester and potential hazards)

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.

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

① Pull the battery cap up

② Slide the battery cap along to the direction of arrow

③ Open the battery cap

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

⑤ Close the battery cap

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

⑦ Fit 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.

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 1413μS/cm and 12.88

mS/cm conductivity calibration solution into accordant calibration bottles.

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 7.3 to 7.4 to complete the 2nd point of calibration

using 12.88 mS/cm buffer solution.

* 1000 µS/cm = 1 mS/cm

* 1000ppm = 1ppt

Diagram - 2

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. Get readings after comes up and stays. Press to switch from

Conductivity to TDS, and Salinity

■Notes

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

measurements via a certain conversion factor.

b) The tester can calibrate 84μS, 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 - 200 μS/cm

1413 μS/cm

200 - 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 5

to 10 times of use to keep the standard solution’s accuracy. 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%/℃. 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 P5 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/cm2, 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 buffer solution, which

exceeds the recognizable range of the meter.

1. Check if buffer solution is correct

2. Check if electrode isdamaged.

Is pushed before measurement is stable

( comes up and stays)

Wait for the smile icon to come up and then press

6. Parameter Setting

6.1 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 Default

No-Yes

6.2 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 turn off.

6.3 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.

7. 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

8. 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.

9. 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)

10. 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 15

42329 Wuppertal

Germany

Contact: in[email protected]

Website: www.aperainst.de

Tel. +49 202 51988998

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