Apera Instruments EC60 User manual
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.
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.
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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
P1
Auto Hold
Off-On
Off
P2
Backlight
Off-1-On
1 (1 min auto-off)
P3
Temp. Compensation Coefficient
0.00 to 4.00%
2.00%
P4
TDS Coefficient
0.40 to 1.00
0.71
P5
Salinity Unit
ppt-mg/L
ppt
P6
Temperature Unit
˚C-˚F
˚C
P7
Restore to Factory Defualt
No-Yes
No
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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