Apera ORP60 Bedienungsanleitung
ORP60 Pocket ORP Tester
APERA INSTRUMENTS, LLC
www.aperainst.com
ORP60 Pocket ORP 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 calibration mode, press to change
calibration value (unidirectional)
2.
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.
3.
Complete kit
4.
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 distilled water.
5.
ORP Calibration
1) Clean electrode in distilled water and dry it.
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
Graph - 2
4) Dip electrode in the standard buffer solution, stir gently, and allow it to
stand still in the calibration solution until a stable 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).
222 mV (25˚C) ORP Standard Buffer Solution Calibration Reference Table
Temperature (˚C)
mV
Temperature (˚C)
mV
10
242
30
215
15
235
35
209
20
227
38
205
25
222
40
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.
6.
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.
7.
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 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.
8.
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 and P2)
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.
Symbol
Parameter Setting Contents
Code
Factory Default
P1
Low value measurement alarm
-1000 to 1000
mV
-1000
P2
High value measurement alarm
-1000 to 1000
mV
1000
P3
Select automatic lock
Off – On
Off
P4
Select backlight
Off - 1 - On
1 (1 min auto off)
P5
Select temperature unit
˚C - ˚F
˚C
P6
Restore to Factory Default
No – Yes
No
Heads-Up when measured value in range of 120 mV and 150 mV:
Preset low value = 120 mV, highest value = 150 mV, when measured value in
range of 120 mV and 150 mV (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 auto hold.
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)
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.
9.
Technical Specifications
Tester functions:
• Calibration points indication:
• Stable measurement:
• Reading value auto. hold: HOLD
• Self-Diagnostic Information: Er2
• Low-Voltage warning: flickering, reminder of battery replacement
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
• Three-color backlight:
• Blue—Measurement Mode; Green—Calibration Mode; Red color—Alarm
• Auto. Power-Off in 8 minutes without operation
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.
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: info@aperainst.com
Website: www.aperainst.com
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