P2 Product Over view
Congratulations on your purchase of this pen type ORP
meter. Please read the manual completely before using
this meter. Filing and keeping the manual for future
reference. Recommended to soak the electrode for at
least 30 min. before using to clear up the lazy effect or
to make the ORP electrode wet.
1. Product Overview
1.1 Features
(1) IP65 Waterproof housing.
(2) Big display for easy reading.
(3) Data hold to freeze readings. Pen size, easy to
fit in pocket. Low batter y indicator.
(4) Pen size, easy to fit in pocket.
(5) Low batter y indicator.
(6) Auto power off.
(7) Power by 4pcs LR44 batteries.
1.2 Material Supplied
This package contains:
The meter x 1
LR44 button batter y x 4
Operation manual
Color box or plain box
2. POWER SUPPLY
The meter is powered by 4 pcs LR44 batteries.
To check the batter y when:
1. First time use
2. The batter y symbol appears on LCD
3. The meter cannot power on
To install the batteries:
1. Turn off the meter.
2. Loose the batter y cover in counter- clockwise
direction. (DON'T discard the black washer!)
3. Replace the old batteries with four new button
cells LR44.
4. Make sure the batteries are in place and the
polarity is correct.
5. Put back the batter y cover & washer and turn it
tightly in clockwise direction
P5 TROUBLESHOOTING
ORP electrode cleaning:
If sensing element got contaminated, it will result in
slow response and inaccu rate reading. Clean it as
following:
(1) If contamination is a mineral matter, put sensing
element in HCL solution 0.1N for 10 minutes and
then rinse it with distilled water.
(2) If the contamination is oil or grease coating,
clean sensing element with detergent and rinse
with distilled water.
7. TROUBLESHOOTING
Power on but no display
1. Make sure the time of pressing power key is more
than 1 second.
2. Check the batter y are in place and make good
contact and correct polarity.
3. Replace with new batteries and tr y again.
4. Move away the batteries for one minute and then
put back again.
Slow response
Clean probe by immersing the electrode in tap
water for 10-15 minutes, then rinse thoroughly with
distilled water or use a general-purpose electrode
cleaner.
LCD display E02, E03
Out of ORP measuring range. Check in normal
condition first, if remaining showing E02 or E03, the
electrode is out of order.
8.
SPECIFICATION
Accuracy ±
Power Saving
Measurement range
Resolution
Hold Data
Waterproof
Size
4mV
Auto Power Off
-999mV ~ +999mV
1mV
√
IP65
165mm(L)x35mm(W)x32mm(T)