Apera Instruments EC60-Z User manual

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SKU:AI3718

EC60-Z Smart Multi-Parameter Tester

(Conductivity/TDS/Salinity/Resistivity/Temp.)

Instruction Manual

APERA INSTRUMENTS, LLC

www.aperainst.com

V1.03

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Contents

Introduction - 3 -

Battery Installation - 4 -

Keypad Functions - 4 -

Complete Kit - 5 -

Things to Know Before Use - 5 -

Conductivity Calibration - 5 -

Conductivity Measurement - 7 -

Parameter Setting - 8 -

Technical Specifications - 9 -

Icons and Functions - 10 -

Probe Replacement - 10 -

Warranty - 11 -

ATTENTION

1. You may find a few drops of water in the probe cap. These water droplets are

added to maintain the sensitivity of the conductivity sensor before the product

leaves factory. It does NOT mean the product is used.

2. The batteries are already preinstalled. Just pull off the paper slip before using

the tester. When you replace the batteries, make sure to follow the correct

directions: all four AAA batteries’ positive sides must FACE UP.

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Introdu ction

Dear Customer,

Thank you for choosing Apera Instruments EC60-Z Smart Conductivity Tester. Please carefully read this

manual before using the product in order to have a reliable testing experience.

1.1 This product is designed with a two-way control on both the tester and ZenTest Mobile App. Please refer

to the functions available on each platform in the following table. This manual shows you how to operate the

tester without connecting to a smartphone.

Table 1: Funtions on 60-Z Tester and ZenTest® Mobile App

Functions

60-Z Tester

ZenTest Mobile App

Display

LED display

1. Basic Mode: digital display+calibration info

Swipe to

switch among

various modes

2. Dial Mode: digital display+dial display

3. Graph Mode: digital display+graph display

4. Table Mode: digital display+real time

measurement and history display

Calibration

Press buttons to

operate

Operate on smartphone following graphic guides

Self-

Diagnosis

Er1 – Er6 icons

Detailed problem analysis and solutions

Parameter

Setup

Press buttons to set

up (except for P7

and P11)

All parameters can be set up in Settings.

Alarm

The screen turns

red when alarm

triggered; cannot

be setup

Alarm display and alarm values can be preset for each parameter

Datalogger

N/A

Manual or Auto. Datalogger; notes can be added to saved data

Data Output

N/A

Share data via Email

1.2 Search ZenTest in Apple App Store or Google Play App Store to download the latest App for your tester.

1.3 For video tutorials on how to connect the tester to your smartphone and perform more functions in ZenTest

Mobile App, please go to support.aperainst.com

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Batte ry Inst allatio n

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)

Keyp ad Funct ions

■ Short press------ < 2 seconds ,Long press------- > 2 seconds

1. When turned off, short press to turn on the tester; long press to

enter parameter setting.

2. In calibration mode or parameter setting, short press to return

to measurement mode.

3. In measurement mode, long press to turn off the tester, short

press to turn on/off backlight.

1.In measurement mode, short press to switch parameter

Cond→TDS→Sal→Res

2.In measurement mode, long press to turn on/off Bluetooth®

receiver. When turned on, will be flashing; when connected to

smartphone, will stay on.

3.In parameter setting, short press to change parameter (Uni-

directional).

1. Long press to enter calibration mode.

2. In calibration mode, short press to confirm calibration.

3. In measurement mode, when automatic lock is turned off, short

press to manually lock or unlock readings.

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.

Battery Cap

Buttons

Probe

Probe Cap

LCD

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Compl ete Kit

Things to Know B ef ore U se

1) A few drops of water are added to the probe cap to keep the conductivity electrode in an activated state

before the tester leaves factory. Generally, users can start using the tester directly. For conductivity

electrode that hasn’t been used for a long time, users should soak the electrode in 12.88 mS calibration

solution for 5-10 minutes or in tap water for 1 to 2 hours before use. Rinse the electrode in

distlled/deionized water after each measurement.

2) The sensing rod of Model 2301T-S conductivity electrode is coated with platinum black to minimize

electrode polarization and expand measuring range. The platinum black coating adopted our special

processing technology, which improves the electrode performance and the firmness of the coating. If the

black sensing rods are stained, gently clean the electrode with a soft brush in warm water containing

detergent or alcohol.

3) Things needed in addition to what’s in the box:

a) Distilled or deionized water (8-16oz) for rinsing the probe after each test

b) Tissue paper for drying the probe

Condu ctivit y Calib ration

How to calibrate

1) Press key to switch to conductivity measurement mode (Cond). Rinse the probe in distilled water

and dry it.

2) Pour certain amount of 1413μS/cm and 12.88mS/cm conductivity calibration solution into corresponding

calibration bottles (to about half volume of the bottle).

3) Long press key to enter calibration mode, short press to go back to measurement mode.

4) Place the probe into 1413 μS/cm conductivity calibration solution, shake it for a few seconds and allow it

to stand still in the solution until a stable reading is reached. When stays on the LCD screen, short

press key to complete 1st calibration, the tester returns to measurement mode and indication icon

will appear at the bottom left of the LCD screen.

Graph-2

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5) After calibration, place 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 3) to 4)

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

Notes

1) TDS, salinity, and resistivity values are converted from conductivity. So only conductivity needs

to be calibrated.

2) The tester can calibrate 1413 μS/cm, 12.88 mS/cm, and 84 μS/cm(sold separately)

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 - 199 μS/cm

1413 μS/cm

200 - 1999 μS/cm

12.88 mS/cm

2.0 – 20.00 mS/cm

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

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

calibration is needed.

4) Conductivity calibration solutions are easier to get polluted than pH buffers, we recommend

that users replace new conductivity 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) Temperature compensation factor: The default setting of the temperature compensation factor

is 2.0%/℃. User can adjust the factor based on test solution and experimental data in

parameter setting P10.

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

6) *1000μS/cm =1mS/cm; 1000 ppm = 1 ppt

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

in parameter setting P13 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.

8) 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.

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

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Symbol

Self-Diagnosis information

How to fix

The meter cannot recognize the

conductivity standard solutions.

1. Make sure the probe is fully submerged in

the solution.

2. Check if the standard solution is expired or

contaminated.

3. Check if the conductivity electrode (two

black rods) is damaged.

4. Check if the conductivity electrode is

contaminated. If so, please use a soft brush

with warm water to clean up.

5. If none of the above, please contact us at

info@aperainst.com or +1 (614) 285-3080

Is pressed before measurement is

fully stable ( comes up and stays)

Wait for to come up and stays on screen before

pressing

Duringcalibration,readings beingunstable

for over 3 minutes

1. Shake the probe to remove the air bubbles

on the surface of the black rods

2. Check if the conductivity electrode is

contaminated. If so, please use a soft brush

with warm water to clean up.

3. Soak the probe in 12.88mS/cm solution for

10 minutes, then rinse with distilled water.

4. If none of the above, please contact us at

[email protected] or +1 (614) 285-3080

The calibration reminder is triggered. It’s

time to perform a new conductivity

calibration

Perform conductivity calibration or cancel calibration

reminder in ZenTest settings.

Condu ctivit y Measu rement

Press key to turn on the tester. Press to switch to Conductivity measuring mode. Rinse the probe

in distilled water and remove excess water. Insert the probe in sample solution, shake it for a few seconds,

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, salinity, and resistivity.

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Param eter S etting

Table of Settings

Parameter Setting

1) When the meter is turned off, long press to enter parameter setting →short press to switch

P01-P02… →P14. Short Press , parameter flashes → short press to adjust parameter →

short press to confirm →Short press to exit parameter setting and go back to measurement

mode.

2) Auto. Lock (P02) –Users can set the auto lock time from 5 to 20 seconds. For example, if 10 seconds

is set, when the measured value is stable for more than 10 seconds, the measured value will be

automatically locked, and the HOLD icon will be displayed. Short press to release the lock. When

the setting is "Off" , the Auto. lock function is turned off, that is, the measured value can only be

manually locked. Short press to lock or unlock the measured value. The HOLD icon will be

displayed when reading is locked.

3) Auto. Backlight (P03) ─Users can set the automatic backlight time for 1 to 8 minutes. For example, if

3 minutes is set, the backlight will turn off automatically after 3 minutes; when the “Off”is set, the auto.

backlight function will be turned off, and short press to manually turn the backlight on or off.

4) Auto. Power off (P04) ─The auto. power off time can be set to 10 to 20 minutes. For example, if 15

minutes is set, the meter will automatically shut down after 15 minutes if no operation; when “Off” is set,

the auto. power off function will be turned off. Long press to manually shut down the meter.

Symbol

Parameter Setting Contents

Content

Factory

Default

Temperature Unit

˚C – ˚F

˚F

Select automatic lock

5-20 seconds –Off

Off

Automatic Backlight Off

1-8 minutes –Off

Automatic Power Off

10-20 minutes –Off

Conductivity Reference

Temperature

15 ˚C to 30 ˚C

25 ˚C

Temp. Compensation Coefficient

0 to 9.99

2.00

Conductivity Calibration Reminder

H-hours D-Days (set up in ZenTest App)

Conductivity Back to Factory

Default

No –Yes

TDS Factor

0.40 to 1.00

0.71

P10

Salinity Unit

ppt –g/L

ppt

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5) Conductivity Calibration Reminder (P7) –set X hours (H) Or X days (D) in ZenTest mobile app –

settings –Parameter –pH –Calibration Reminder. On the meter, you can only check the values that’s

been set up on ZenTest App. For example, if 3 days is set up, the Er6 icon (see Figure-4) will appear in

the lower right corner of the LCD screen in 3 days to remind you to perform calibration, also in the

ZenTest App there will be a pop-up reminder. After calibration is finished or the reminder setting is

cancelled in the ZenTest App, the Er6 icon will disappear.

6) Conductivity Back to Factory Default (P8) –Select “Yes” to recover instrument calibration to

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

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

Techni cal Sp ecific ations

Conductivity

Range

0 to 199.9 μS, 200 to 1999 μS, 2 to 20.00 mS/cm

Resolution

0.1/1 μS, 0.01 mS/cm

Accuracy

±1% F.S

Calibration Points

1 to 3 points

TDS

Range

0.1 ppm to 10.00 ppt

TDS Factor

0.40 to 1.00

Salinity

Range

0 to 10.00 ppt

Resistivity

Range

50Ω to 20MΩ

Temperature

Range

0 to 50˚C (32-122˚F)

Accuracy

±0.5˚C

- 10 -

Icons and F unctio n s

Prob e Repla cement

To replace a probe: 1)take off the probe cap; 2) screw off the probe ring 3) unplug the probe; 4) plug in the new

replacement probe (pay attention to the probe’s position); 5) screw on the probe ring tightly. The replacement probe that

is compatible with EC60-Z is: EC60-DE

Calibrated points

Self-Diagnosis Symbol

Er1, Er2, Er3, Er4,Er5, Er6

Stable reading indicator

Waterproof Rating

IP67, floats on water

Reading Lock

HOLD

Power

DC3V, AAA batteries*4

Bluetooth Signal

Battery Life

＞200 Hours

Low power reminder

Backlight

White: Measurement；Green: Calibration；

Red: Alarm

Auto. Power Off

Automatically power off if no operation for 10 minutes

Dimension/Weight

Instrument：40×40×178mm/133g; case：255×210×50mm/550g;

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