Professional Water Quality Tester
Professional Water Quality Tester
SPECIFICATIONS
Display Type: DIGITAL
With Backlight Or Not: YES
Model Number: PH818
Certification: CE
Certification: FCC
Model Number: PH818
PH measuring range: 0.00-14.00pH
PH basic measurement error: ±0.05pH
Instrument repeatability: ±0.03
Solvent temperature compensation range: 0-70°C
Repeatability: ±0.01
Solvent temperature under test: 0-60°C
Power supply: 1.5V AAA batteries*2pcs(not include)
Display: Large LCD segment type display
Working temperature range: 0-50°C
Working humidity range: <=80%RH
PH Meter: PH Water Quality Tester
Acid and alkali Concentration Meter: PH Tester
Professional Pen Type PH Meter Portable PH Water Quality Tester
1.We always have enough products in stock.All are with Retail box.
2.We send all the parcels by registered Airmail except you specify another shipping method.All parcel has tracking number for you.
3.If the order quantity is more than 100pcs for each model, we can provide OEM Service according to your requirements. The charge for packing change should be paid by your side.please contact us directly if necessary
4.For big order, we'll provide you big discount,please kindly contact with us directly
5.super Long warranty period of 2 years,in two years will repair for free.
6.we have to take away the batteries due to the policy of the shipping company
7). English use manual.
Specification
|
||
PH measuring range |
|
0.00-14.00pH |
PH basic measurement error |
±0.05pH |
|
Instrument repeatability |
±0.03 |
|
Solvent temperature compensation range |
0-70°C |
|
Repeatability |
±0.01 |
|
Solvent temperature under test |
0-60°C |
|
Power supply |
1.5V AAA batteries*2pcs(not include) |
|
Display |
Large LCD segment type display |
|
Working temperature range |
0-50°C |
|
Working humidity range |
≤80%RH |
|
Package |
1*PH meter
1*User's guide
2*PH4.00,PH6.86,PH9.18 calibration power
1*Box
|
How to calibrate the device correctly
|
|
|
one bag powder dissolved in 250ml pure water,when you need to do the calibrate,take some solution,the rest of the solution can Sealed preservation 1 month |
Step1 |
1. Turn on the machine, put the PH818 in pure water, clean it and wipe it with a cloth. Press and hold the calibration button, put the machine into the debugged PH4.00 solution, stir it for a few seconds, and let it stand for a few seconds until the machine screen appears. "PR5” |
Step 2 |
2. When the machine number becomes 6.86, take out the machine, clean it in pure water, wipe it with a cloth, put it into the debugged PH6.86 solution, stir it for a few seconds, and let it stand for a few seconds until the machine screen appears “PR5” |
Step 3 |
3. When the machine number becomes 9.18, take out the machine, clean it in pure water, wipe it with a cloth, put it into the debugged PH9.18 solution, stir it for a few seconds, and let it stand for a few seconds until the machine screen appears “PR5” |