Apera Instruments EC60 User manual

V6.5

EC60 Premium Conductivity Tester

(EC/TDS/Salinity/Temp.)

Instruction Manual

APERA INSTRUMENTS, LLC

www.aperainst.com

1 Battery Installation

1.1 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)

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 fittedcorrectly.

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 →→

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.

3 Complete Kit

Graph - 2

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/cm2and 12.88 mS/cm2conductivity 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/cm2conductivity 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/cm2conductivity 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/cm2buffer solution.

* 1000 µS/cm2 = 1 mS/cm2

* 1000ppm = 1ppt

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 and 12.88 mS conductivity calibration

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

calibrating the tester with 1413 μS 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 is damaged.

Is pushed before measurement is

stable ( comes up and stays)

Wait for the smile icon to come up and

then press

6 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.

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 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

9 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)

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, 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 probes).This warranty does notapplyto 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, LLC

Address: 6656 Busch Blvd. Columbus, Ohio, 43229

Tel: 1-614-285-3080

Email: [email protected]

Website: www.aperainst.com

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