Apera Instruments PH60 User manual

PH60 Series Premium pH Testers

Instruction Manual

PH60 pH Tester

PH60S Spear pH Tester

PH60F Flat pH Tester

APERA INSTRUMENTS, LLC

www.aperainst.com

v5.4

Thank you for purchasing the Apera Instruments PH60 Series Premium pH TesterKit.Please

read this manual carefully before use in orderto properlyuse andmaintainthe instrument.

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

Table of Contents

Battery Installation

............................................................................................................... 3

Keypad Functions

................................................................................................................ 3

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

Preparation Before Use

........................................................................................................ 4

pH Calibration

..................................................................................................................... 5

pH Measurement

................................................................................................................. 6

Parameter Setting

................................................................................................................ 8

ORP Measurement

............................................................................................................ 10

TechnicalSpecifications

...................................................................................................... 10

10.

Other Specifications

.......................................................................................................... 10

11.

Probe Replacement

.......................................................................................................... 11

12.

Warranty........................................................................................................................ 12

Battery Installation

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

The Positive Side (“+”) OF EVERY SINGLE Battery MUST FACE UP.

(WRONG INSTALLATION OF BATTERIES WILL CAUSE DAMAGE TO THE TESTER

AND POTENTIAL HAZARDS

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 from pH →ORP (Oxidation

Reduction Potential), ORP probe sold separately.

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 waterproof

feature may be compromised if the cap is not fittedcorrectly.

Complete Kit

Preparation Before Use

4.1 PH60 and PH60F: If it is first-time use or the tester hasn’t been used for a long time, pour

some 3MKCLsolution to the Fill linein the probe cap andsoak the probefor about 15-30 minutes.

Users can store the probe in the 3M KCL solution in the probe cap when the tester is not in use

so as to keep the sensor’s accuracy. To achieve maximum accuracy, we recommend soaking

the probe in the 3M KCL storage solution overnight (12 hours) to activate the glass membrane

thoroughly.

* Storing the PH60 and PH60F dry will NOT cause any permanent damage. It will only temporarily cause

the probe to lose its sensitivity, which can always be restored by soaking in the storage solution.

4.2 PH60S:NEVER storethespearprobeinadrycondition because permanent damage CAN be

caused. The spear probe should always be stored in the 3M KCL soaking solution.

4.3 The storage solution is 3M KCL (potassium chloride). One bottle of 10mL storage solution

comes with the tester kit. If the soaking solution was contaminated, pleasereplace with new ones

timely.

* DO NOT use any other brand’s storage solutions because different chemicals may be used

and potential permanent damage could be caused to the meter.

pH Calibration

Things needed in addition to what’s in the box

A clean cup, distilled water (8-16oz), and tissue papers for rinsing and drying the probe.

5.1 Short press to turn on.

5.2 Rinse the probe in distilled water; shake the meter in the air and use tissue paper to dap off

excess water.

5.3 Pour certain amount (about half volume of the calibration bottles) of pH 7.00 pH and pH

4.00 buffer solutions in the correspondent calibration bottles.

5.4 Long press to enter calibration mode (Short press to go back to measurement mode).

5.5 Dip the probe in pH 7.00 buffer solution, stir gently, and allow it to stand

still in the buffer solution until a stable reading is reached –whenstable

icon appears and stays on the LCD screen (as shown in Diagram 2);

short press to complete 1-point calibration and the tester will return to

measurement mode.Icon will appear on the bottom left of the LCD

screen, indicating the middle point of calibration has completed.

5.6 Rinse the probe in distilled water and dry it with tissue paper. Dip the probe into pH 4.00 buffer

solution, follow the steps in 5.4 to 5.5 to complete 2-point calibration.Icons will

appear on the bottom left of the LCD screen. If necessary, dip the probe into pH 10.01 buffer

solution (sold separately), follow the steps in 5.4~5.5,to complete 3-point calibration.

Indication icon will appear on the bottom left of the LCD screen.

5.7 Notes

a) Tester can perform 1 to 3 points automatic calibration. *Please note that pH 7.00 (USA

Standard) or pH 6.86 buffer solution (NIST Standard) must be used to conduct 1st point

calibration. Then use other buffer solution to conduct 2nd or 3rd point calibration. Tester

will recognize 5kinds of pH buffer solutions. For details, please refer to thefollowing table:

Calibration

USA Series

NIST Series

Indication icon

Recommended

1-point

7.00 pH

6.86 pH

Accuracy ≥ 0.1 pH

2-point

7.00 pH,

4.00 pH or 1.68 pH

6.86 pH,

4.01 pH or 1.68 pH

Range < 7.00 pH

7.00 pH,

10.01 pH or 12.45 pH

6.86 pH,

9.18 pH or 12.45 pH

Range <7.00 pH

3-point

7.00 pH, 4.00 or 1.68

pH,

10.01 or 12.45 pH

6.86 pH, 4.01 or 1.68

pH, 9.18 pH or 12.45 pH

Range: 0 to 14.00 pH

b) pH 4.00 and pH 7.00 buffer solutions are included in the test kit, but pH 10.01 is not.

Users can purchase it separately if needed. The buffer solutions poured into the

calibration bottles are NOT for one-time use. They can be used for about ten to fifteen

times as long as they are not contaminated and the bottles are covered when not in use.

After that, we recommend replacing the buffer solutions in the calibration bottles with

new ones that are in the buffer bottles (50ml ones) to keep the accuracy of the standard

buffer solutions.

*Do not pour used buffer solutions back into the buffer bottles in case of

contamination.

c) The tester has self-diagnostic functions:

Icons

Self-diagnostic information

Checking and how to fix

Wrong pH buffer solution or the range of

calibration solution exceeds standard.

a) Check whether pH buffer solution is correct

(1st point calibration must be 7.00).

b) Check whether the probe is damaged.

c) Check if there is any air bubble in the

glass bulb sensor

Press key when reading is not stable

during measurement.

Wait for the smiley face icon to appear and

stay, then press

* If you find any air bubble in the glass bulb of the pH sensor, simply shake the probe for a few times

to remove it. The existence of an air bubble in the glass bulb will cause instable measurements.

* The 1st point calibration must be 7.00 pH. Perform the 2nd point calibration (4.00 pH) immediately

after the 1st point. Do NOT turn off the meter before you conduct 2nd point calibration. If the meter is

turned off after 1st point calibration, users will need to restart the calibration process with the 7.00

pH first and the 4.00 pH following after. Calibrating directly in pH 4.00 after turning meter off and

back on will cause Er1.

pH Measurement

6.1 Short press to turn on the tester. Rinse the probe in distilled water, shake the meter

and dap off excess water with tissue paper (do not rub or wipe the glass sensor). Dip the probe

in sample solution, stir gently, and allow it to stand until a stable reading isreached. Get

readings after appears and stays on the screen.

6.2 Notes

a) Applications of each model:

Model/Probe

Application

PH60/Bulb probe

Regular water solutions’pH measurement

such as hydroponics, aquaculture, pools

and spas, water treatment, brewing, etc.

PH60S/Spear probe

Cheese, sushi rice, meat, fruit, bread, soil, solid culture

medium and semi-solid medium measurement; also works

well for regular water solution.

PH60F/Flat probe

Flat surface measurement such as skin, paper, fabric, leather and so

on; micro sample testing; also works well for regular water

solution.

b) PH60S Spear probe testers are widely used for solids containing water or semi-solid

medium. When conducting such tests, pay attention to insert probe evenly, and be careful to

prevent probe from damage. If the medium is too hard (such as meat or fruits), please bore a

small hole with a knife before inserting the probe.

* For pH measurement of any food (such as sushi, cheese, etc.), it should be a sampling test.

That means test samples should no longer be edible

c) PH60F Flat probe testers are mostly for flat surface sample test.

■For skin test: skin should be without sweat or dirt, nor be overly cleaned (do not use

facewash products before testing) to avoid affecting measurement results, dampen skin with

some distilled water, slightly force flat probe onto the skin, get readings after valuestabilized.

■For paper, fabric and leather test: add 1~2 drops of distilled water on surface, thenperform

measurements.

■For micro sample testing, use a container with an inner diameter<=19mm and a flat bottom.

The tester can test volume >=0.5ml.

6.3 Special Notes:

a) The pH probe must be rinsed thoroughly after each use. Soap water should be used to

clean off any grease or other contaminants.

b) The PH60 series Pocket Tester will NOT give accurate or stable pH readings when

testing distilled or deionized water. This is because distilled or deionized water do not

have enough ions present for the electrode to function properly. To measure distilled or

deionized water’s pH, users need to use a specialized instrument. Contact us at

info@aperainst.com for more details. When testing purified water like spring water or

drinking water, it will take longer for the readings to get stabilized (typically 3-5 minutes)

because there is very few ions left to be detected by the sensor in those purified water.

c) Do NOT store probe in purified water because that will cause permanent damage to the

pH probe. Purified water is only recommended for rinsing the probe. The probe should be

stored in 3M KCL pH electrode storage solution (SKU AI1120) for best accuracy.

d) Storing the probe dry will NOT cause permanent damage to it. It will only temporarily cause

the probe to lose its sensitivity, which can always be restored by soaking in the 3M KCL

storage solution.

Parameter Setting

7.1 Setup Menu

Symbol

Contents

Parameter

Factory Default

Select pH buffer solution

USA –NIST

USA

Low value measurement alarm setting

0 ~ 14.00pH

High value measurement alarm setting

0 ~ 14.00pH

14.00

Select automatic lock

Off –On

Off

Select backlight

Off - 1 - On

Select temperature unit

℃ - ℉

℃

Restore to factory default

No –Yes

7.2 Parameter setup method

When turned off, long press to enter parameter setting→Short press to switch P1-P2-

…P7→Short parameter flashing→Short press to chooseparameter→Short press

to confirm→Long press to go back to measurement mode.

7.3 Parameter setting instruction

a) Select standard pH buffer solution(P1):

There are two options of standard buffer solutions: USA series and NIST series. Factory

default is USA series, for details see clause 5.7.

b) Heads-Up Function (P2&P3)

Examples:

■Alert when measured value ≤ 3.20 pH:

Preset lowest value (P2) = 3.20 pH, highest value (P3) = 14.00 pH, when measured value ≥

3.20 pH (stable displays on LCD); LCD displays redbacklight.

■Alert when measured value ≥ 8.60 pH:

Preset highest value (P3) = 8.60 pH, lowest value (P2) = 0.00 pH, when measured value ≤ 8.60

pH (stable displays on LCD); LCD displays red backlight.

■Alert when measured value ≤3.20 pH or ≥8.60 pH

Preset lowest value (P2) = 3.20 pH, highest value (P3) = 8.60 pH, when measured value is

lower than 3.20 pH or higher than 8.60 pH (stable displays on LCD), LCD displays red

backlight.

c) Automatic Lock (P4)

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 reading hold.

d) Backlight (P5)

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

e) Temperature Unit (P5)

Select C˚ or F˚, the factory default is ˚F.

f) Factory default setting (P7)

Select “Yes” to recover instrument calibration to the theoretical value (pH value in zero

potential is 7.00pH, slope is 100%), parameter setting return to initial value. This function

can be used when instrument does not work properly in calibration or measurement.

Calibrate and measure again after recovering the instrument to factory default status.

ORP Measurement

ORP stands for Oxidation-Reduction Potential. ORP is a measure of the cleanliness of the water &

its ability to break down contaminants. Refer to Clause 11 to replace ORP probe (to be purchased

separately), press key to enter ORP mode. Rinse the probe in distilled water and dry it. Dip

the probe in sample solution, stir gently, and allow it to stand still until a stable reading is reached.

Get readings after appears and stays.

TechnicalSpecifications

Measuring Range

-2.00 –16.00 pH

Resolution

0.01pH

Accuracy

±0.01pH ±1 digit

Calibration Points

1 –3 points

Automatic Temperature

Compensation (ATC)

0 –50˚C (32 –122˚F)

ORP

(mV)

Measuring Range

± 1000mV

Resolution

1mV

Accuracy

±0.2% F.S

Temp.

Measuring Range

0 –50˚C (32-122˚F)

Resolution

0.1˚C

Accuracy

±0.5˚C

10.

Other Specifications

LCD

3-color LCD screen,

Blue: Measurement; Green: Calibration; Red: Heads-Up

Reading Lock

HOLD

Low-Voltage Warning

Flashing, reminder of batteryreplacement needed

Auto. Power-Off

In 8 minutes without operation

Water Proof Rating

IP67

Power

DC3V, AAA batteries×4

Battery Life

Continuous operation＞2000 hours

Dimension/Weight

Tester: 40×40×178mm/133g; Case: 255×210×50mm/700g;

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