What is (CE) certification ?
EU CE certification is compulsory product certification ， is to enter the EU market permits.
\\"CE\\" mark is aSafety CertificationSigns， the manufacturer is considered open and enterEuropeMarket passports. CE behalf of the European unification (CONFORMITE EUROPEENNE). Those who posted \\"CE\\" mark of the product can be sold in the EU member countries， need not meet the requirements of each member ， in order to achieve the free movement of goods within the EU member states range.
Pocket Digital pH meter，The introduction of advanced technology and imported components， greatly reducing the volume ， keep the original quality， so the use of pH meter has been popular. Pocket DigitalPHCount is the number of classic brands significantly Pocket pH meter，High stability， high reliability ， easy to use ， inexpensive and popular around the world ， the majority of users of all ages .
The main technical indicators:
Measurement Range:0.00-14 .00 PH
Accuracy : ± 0.2PH± 0.1PH (20 )
Resolution: 0.1PH
Working temperature:0 ~50
Battery:3X1.5V(AG13Type button batteries)
Dimensions: 142mm (L)×29mm (W)×15mm (H)
Weight:51Grams ( even plastic box about 120g )
Professional Tips: A glass electrode， the thinner the glass ， the more accurate
Second， the benefits of powder calibration : Calibration powder shelf life of five years， if not open calibration solution ， only a month after the moss will ， in addition to standard calibration is needed against 250ml of distilled water ( supermarkets sell ) calibration can be calibrated liquid bottles only about 20ml， simply fail to meet requirements ， and put the bottle inside the pen calibration ， simply not put into the bottle too ， opened the calibration solution can only put 15 days on the failure， so with a good bottle of calibration solution we do not recommend using .
Glass electrode PH meter fragile ! Do not touch !
Does not exist without pH correction pen ， but a very simple correction
In the following cases ， pH meter must be recalibrated :
After calibration has been used ( or place ) for a long time ;
frequent use of special electrodes ;
measurement accuracy requirements are relatively high.
new pen calibration is not required to buy back oh
pH meter calibration:
1 ，The calibration of powder with 250ml of distilled water or purified water open .The pH electrode immersed in pH value of 6.86 standard mixed phosphate buffer solution ， and gently shake .
2， withYellow small screwdriver ， facing the pH pen behind the hole， turning left and right canAdjust the calibration potentiometer until the display value and the standard buffer solution ph value of 6.9 at ambient temperature consistent .
3 ， the electrode into pH4.00 supra phosphorous acid potassium stupid standard buffer solution.
4 ， after about two minutes or so. PH value of the buffer value is displayed to be compared within the allowable error range.
Potion not dirty ， sealed with plastic wrap after calibration ， can be reused， washed clean after calibration with pure ，If not frequently used ， it can be calibrated once in 2-3 months !
How to maintain pH pen:
Long-term is not the case ， in about half the time ， the pH electrode immersed in pure pen water ， plug in a disposable cup can !
Procedure:
1 Remove the protective cover .
2 ， turn the switch located on the battery compartment .
3 ， inserting the fluid to be measured pH meter until the liquid immersed \\"immersion line\\" conditions allow ， the solution can slightly dipped \\"immersion line\\" position.
4 ， gently stirring the solution and wait about two minutes Chung . Read the display.
5 ， after use . Cleaning electrodes. Turn off the switch. Wear a protective sleeve.
PH value of various reference :
Toner is the only thing worth buying pH value of 5.5 ~
Medicated Sekkisei 5.5
KIEHLS cucumber water 5.5
Boots water balance 5.5
Boots Toner 5.5
LUMENE alcohol-free lotion ( white bottle ) 5.5-6
Avon Energizing lotion 5.5-6
NIVEA powder in water 6.5
Shiseido Pureness Balance Toner 6.5
KOSE Capture the essence of time ， PH = 8
Alkaline water Clinique 2 \\u003e = soap
U.S. Department of homes orange blossom water， weak acid
Nnskin PH Oil Control Lotion 5.5
Nnskin PH Gentle Toner 5.5
KOSE Five subacidity
Oubo Lai firming slightly acidic water
Pill U.S. polyphenols shrink slightly acidic water
Highlotion subacidity
Elene Collagen Firming slightly acidic water
Elene grease convergence Toner subacidity
L\'Oreal Whitening Lotion 5.5
SOFINA RISE Toner subacidity
IPSA metabolizer subacidity
Juvena weak acid powder in water
Dr. Li magic acne weakly acidic water
Lanceome Blanc Expert XW acidic
U.S. Department of homes Chamomile flower water acidity
Cleanser:
CM Soap : neutral to weak base 7 to 7.5
MARYKEY neutral cleanser No. 2: Comparison of partial weak acid ， about 6 to 6.5
H2O Marine Clean mile : neutral to weak acid ， June 5-7 .
H2O Marine cleanser : weak acid ， about 6 to 6.5
The Cleansing Gel 7.2 AVENE
AVENE Gentle Cleanser 5.5
Soap is also 5.5 AVENE
Softto papaya white skin cleanser ( freckle recipe ) : weak acid ， 6 to 6.5
6.5 cable skin cleanser face-lift
Special fiber cable skin moisturizing face cream 7.0
Algae Cleansing mud beside the Cape more than eight
Nnskin Refreshing Cleansing Gel 5.5
Nnskin Cleansing 5.5 Pa
Shiseido naturgo natural mud wash phValue 9
EA of 2-IN-1， 6
Lancome \'s clean Cleansing honey ， about 7
Lancome Refreshing Cleansing Foam ， \\u003e 7
Lancome Whitening Foam Cleanser 6.9
Kanebo Cleanser Peach PH7.5
White Cleansing Cream PH 7.1 kose
Clinique soap is an alkali ， there are more than 9
Nivea Whitening Foam Cleanser PH7.3
NIVEA feminine cleansing Pycnogenol 6.5
Biore Facial Foam Cool 6.4
Biore fat soluble oil to 7.5-8
Biore Deep Cleansing weak acid 6-6.5
Shop lavender fragrance Cleansing Gel 7-7.2
Aloe Cleanser 6-6.5 letter Fen
SK-II Facial Treatment cleanser ( Cleanser ) 5.5
8.5 Oubo Lai Wash
Sisley cleansing milk sage sage cleanser 5.5
CD liquid cleanser 7.0
Amway soap 8.5
nuxe honey is slightly acidic cleansing
ZA 8 (39 kind )
CLARINS all ( including bulbs and no bubbles ) are between 6-7
RUTINA ( kind 180 ) 8
Borghese ( oil skin with orange toothpaste installed ) 8
Qing muscle fine 8
White Di Yan moisturizing ， 8
Shan Rana Spa Facial Cleanser 5.5-6 ( this product is above the nominal 5.5 )
Lana deep sea coral cleanser 6
LUMENE double Cleanser ( dead skin pigment ) 5.5-6
red earth Yan Ni Cleanser ( uninstall milk ) 6-6.5
DOVE incense blocks 6.5-7
Japan Rosette milk foam cleanser 8-8.5
POND\'S Seaweed Cleansing Mud 8.5
Shiseido Pureness Foaming Cleanser 8.5
Olay multi-effect weakly alkaline soap care
Olay Cleansing Cotton neutral
bluespa balance a bit more neutral alkaline cleanser basic philosophy
LG Beauty Soap ( rose scent ) weakly alkaline
Add the letter \'s weak alkaline soap
Ghana treasure Aloe weak alkaline
Rosette Egg Cleansing : weakly basic ( and LG ， like beauty soap )
Guerlain Eye Neutral Milk uninstall
Borghese CLEANING CREME alkaline
Borghese pink cleanser is slightly acidic .
CLARINS cleanser and FOAM is a weak acid .
The rest : PH value of such products can be maintained between 5.5-7.5 ease of use
Sisley instant moisturizing cream 5.5
Sisley Floral Mask 5.5
Sisley sun screen spf20 ( plus foundation ) 6.5
Sisley sun cream spf15 5.5
Sisley Almighty 7.5
Sisley Eye and Lip Cream 6.0 \\u003c 6.5
Sisley cucumber cream 5.5
Sisley Lily Cream 5.5
Sisley Makeup Remover ( green ) 5.5
Sisley Night Lotion 5.5-6.0 Deep
Sisley Mask (Linden blossom) 6.5-7.0
Sisley to Black Mask 6.5
Sisley Floral Water 6.0
Nnskin Bing Heni 6.5-7.0
Nnskin Napca moisturizing sprays 7.0-7.2
Nnskin skin repair solution 6.0
Nnskin cool wet condensate 7.0
CD Daily Whitening 6.5
CD Hydra-move cream \\u003c= 5.5
CD Whitening Mask 6.5
Estee Lauder Makeup Remover 7.0
Laura Mercier makeup before bottoming 6.5-7.0
Clarins eye gel 6.5
Armani Silk Foundation 7.0
Armani Fluid Sheer 7.0
Lancome Pink Moisturizing Mask 6.5
Loccitane hand cream 6.0
SK-II Foundation 7.0
Oubo Lai moisturizer 6.5 \\u003c 7.0
Oubo Lai whitening moisturizer 6.5-7.0
Aqua Lotion 6.0-6.5 Oubo Lai
Dettol shower gel : 5.5-6
Comfortable with good green bottle ( fresh scent ) 6
Pleiotropic care Olay Body Wash : 6.5
Flowers rose flavor rain shower gel 7.5
Liushen 8-8.5
Lux skin shower gel ( hydrophilic soft-touch type ) 8.5
Avon\'s new live Mask 5.5-6
U.S. Department of homes water massage cream 6
New V Rohto eye drops 6-6.5
Luhuiyuanzhi ( fresh ) 6.5-7
Almighty contact lens care solution ( X Shu -type ) 7-7.5
bluespa eye uninstall neutral water