PH281 0.01pH Waterproof PH meter
Specification:
Range:0.00-14.00pH Resolution:0.01pH
Accuracy:±0.05PH Power:4*1.5V
Calibration:1 point Dimension: 172*26*26mm
ATC:0-60℃
N.W:73g G.W: 120g
Package: 100pcs/carton, 13.5kg/carton
OPERATION
• Remove the protective cap. Do not be alarmed if white crystals
appear around the cap. This is normal with pH electrodes and they
dissolve when rinsed with water.
• Turn the meter on by pressing on/off key.
• Immerse into solution up to the max immersion level.
• Stir gently and wait until the display stabilizes.
• After use, switch off pH meter, use the water clean the electrode
and replace the protective cap.
• Large fluctuations in readings could be due to lack of
calibration, dry electrode or rundown batteries.
CALIBRATION
• Immerse the tester up to the maximum immersion level in pH 6.86
buffer solution
• Allow the reading to stabilize and using a small screwdriver
adjust the calibration trimmer to read 6.86
Calibration is now complete.
ALWAYS USE FRESH BUFFERS FOR CALIBRATION.
BATTERY REPLACEMENT
When the meter cannot be switched on or the display fades, pull out
the battery compartment and replace all three 1.5V batteries, while
paying attention to their polarity. Batteries should only be
replaced in a safe area using the battery type specified in this
instruction manual.
WARRANTY
These instruments are warranted from all defects in material and
manufacturing for a period of one year from the date of purchase.
If during this period, the repair or the replacement of parts is
required where the damage is not due to negligence or erroneous
operation by user, please return the parts to either dealer or our offices, and the repair will be effected free of charge.
