Apera Instruments 28APE190027 User manual

ORP60 Premium Pocket ORP Tester

APERA INSTRUMENTS (Europe) GmbH

www.aperainst.de

v3.1

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.

In calibration mode, press to change

calibration value (unidirectional)

In mode setting, short press to change

parameter (unidirectional)

1. Long press to enter calibration mode.

2. In calibration mode, short press to con- firm

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.

Complete kit

Preparation Before Use

1) Pour certain amount of Storage solution (KCl) into the probe cap, soak the probe for 3 to 5

minutes to activate the sensor (if frequently used, there is no need to soak).

2) The soaking solution is 3M KCl solution, which comes with the test kit. Users can also make it

by themselves by dissolving 25g KCl in 100 ml distilledwater.

ORP Calibration

1) Clean electrode in distilled water and dryit.

2) Pour certain amount of 222 mV ORP standard buffer solution into the calibration bottles

(about half volume of the bottle).

3) Short press to turn the meter on. Long press to enter calibration mode. If you need to

exit calibration mode,short press

4) Dip electrode in the standard buffer solution, stir gently, and allow it to

stand still in the calibration solution until astable reading is reached. When

stable icon comes up, press to adjust the calibration value

according to the table below(also on the buffer bottle’s label).

Graph - 2

222 mV (25˚C) ORP Standard Buffer Solution Calibration Reference Table

Temperature (˚C)

242

215

235

209

227

205

222

201

For example, if the temperature is around 25˚C, then adjust the calibration value to 222 mV. If the

temperature is around 20˚C, then adjust the calibration value to 227 mV.

press to complete the calibration.

ORP Measurement

Press to power on, clean the probe in distilled water and dry it. And place the probe in the

tested solution and stir gently and let it stand still. Read the measurement after comes up and

stays.

Notes

1) Usually there’s no need to calibrate for ORP testing. When used for a long time, users can

test it in 222 mV ORP standard buffer. If the error is big, please calibrate according to the

steps in 5.1 to 5.4.

2) The meter has self-diagnosis function. Please refer to the followed chart for detailed

information.

Symbol

Self-Diagnosis information

How to fix

is pressed before the

measurement becomes stable

(smiley face comes up)

Wait till the smile icon appears and

stays, then short press

7.1 The cleaning and activation of ORP probes

After long-time use, the surface of the platinum sensor can be contaminated and cause

inaccuracy and slow response time. If that happened, the followed methods can be adopted to

clean and activate:

a) For contamination caused by inorganic substances, dip the probe into 0.1 mol/L dilute

hydrochloric acid for 30 minutes. Clean it with distilled water, soak it into the KCL

storage solution for 6 hours, and then it will be ready for use again.

b) For contamination caused by organic substances and oiliness, clean the platinum

surface with dishwashing liquid, and wash with distilled water. And then the probe will be

ready for use again after 6 hours’ soaking in the storage solution.

c) If the platinum surface is so severely contaminated that there forms an oxide film,

toothpaste can be used to clean the platinum surface, and then wash it with distilled

water. The probe will be ready for use again after 6 hours’ soaking in the storage

solution.

Parameter Setting

8.1 Setting chart

8.2 Parameter setting instruction

When turned off, long press to enter parameter setting mode; Press to switch from P1-

P2-…P6. Press , the parameter flashes; Press to choose parameter Press to confirm;

Long press to power off.

A) High-Low Measurement Heads-Up Examples (P1 andP2)

Heads-Up when measured value ≤120 mV:

Preset low value = 120 mV, highest value = 1000 mV, when measured value ≤120 mV (stable

icon displays on LCD); Red back-lit heads-up displays.

Heads-Up when measured value ≥150 mV:

Preset high value = 150 mV, lowest value = -1000 mV, when measured value ≥150 mV (stable

icon displays on LCD); Red back-lit heads-up displays.

Heads-Up when measured value in range of 120 mV and 150 mV:

Preset low value = 120 mV, highest value = 150 mV, when the measured value <120mV or

>150mV (stable icon displays on LCD); Red back-lit heads-up displays.

B) Automatic lock (P3):

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 autohold.

C) Backlight (P4)

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

D) Temperature Unit (P5)

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

E) Factory default setting (P6)

Symbol

Parameter Setting Contents

Code

Factory Default

Low value measurement alarm

-1000 to 1000

-1000

High value measurement alarm

-1000 to 1000

1000

Select automatic lock

Off –On

Off

Select backlight

Off - 1 - On

1 (1 min auto off)

Select temperature unit

˚C - ˚F

˚C

Restore to Factory Default

No –Yes

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

7.00, slope is 100%), 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.

Technical Specifications

Tester functions:

Calibration pointsindication:

Stable measurement:

Reading value auto. hold: HOLD

Self-Diagnostic Information: Er2

Low-Voltage warning: flickering, reminder of battery replacement

Three-color backlight:

Blue—Measurement Mode; Green—Calibration Mode; Red color—Alarm

Auto. Power-Off in 8 minutes withoutoperation

10.

Electrode Replacement

Twist off the probe ring, unplug the probe, plug in new probe (pay attention to the electrode’s

position), and screw on the probe ring. The compatible model of replacement probe is ORP60-E.

ORP

(mV)

Measuring Range

±1000 mV

Resolution

1 mV

Accuracy

±0.2% F.S

Temp.

Measurement Range

0 –50 ˚C

Resolution

0.1 ˚C

Accuracy

±0.5 ˚C

11.

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 (SIX MONTHS for the probe) from the delivery.

This limited warranty does NOT cover any damages due to:

Transportation, storage, improper use, failure to follow the product instructions or to perform any

preventive maintenance, modifications, combination or use with any products, materials,

processes, systems or other matter not provided or authorized in writing by us, unauthorized

repair, normal wear and tear, or external causes such as accidents, abuse, or other actions or

events beyond our reasonable control.

APERA INSTRUMENTS (Europe) GmbH

Wilhelm-Muthmann-Straße 15

42329 Wuppertal, Germany

Contact: info@aperainst.de

Website: www.aperainst.de

Tel. +49 202 51988998

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