US Ship Digital Electric PH Meter Tester Pen Hydroponics Aquarium Water Test Pen
Description
\"LCD Digital PH Meter Tester DIY Electric test pen Liquid PH Value Detector For Aquarium Fish tank Pool Water Cosmetic Experiment
Calibration method of pH meter:
1. Rinse the calibration powder with 250ml of distilled or purified water. Immerse the pH electrode in a mixed phosphate standard buffer solution with a pH of 6.86 (or 4.0) and shake gently.
2. With a small yellow screwdriver, facing the round hole at the back of the pH pen, turn left and right to adjust the correction potentiometer until the displayed value matches the pH value of the standard buffer solution at ambient temperature of 6.9 (or 4.0).
Note:Do not contaminate the medicine. Seal it with plastic wrap after calibration, and it can be reused. After calibration, wash it with pure water. If it is not used often, it can be corrected once in March-June!
Features:
1.Suitable for any aquarium industry, fishing industry, swimming pool, spa, school laboratory, food and beverage,drinking water,etc.
2.Lightweight,compact pH meter.Completely hidden in a bag or pocket for easy daily carrying.
3.Easy to use,remove the protective cap and immerse the pH meter electrode in the solution
4.Hand-held design,convenience
Specification:
Accuracy: 0.1ph
Power supply:3 x1.5V LR44 Button Batteries(Not included)
Operating Temperature: 0-50 degree centigrade
Measuring Range: Yellow:0.0~14.0
The yellow one : test water PH
Package Includes:
1x Digital PH Meter Test Pen (not including batteries)
Terms & Conditions
Payment We accept payment via PAYPAL ONLY.
Payment must be made within 4 days of sale closing. or an updaid case will be open on automatically.
Please contact us via massage to list your special requests (color, packages, etc.) immediately you paid for the order.
Shipping We arrange the shipment from Monday to Friday. Shipping fee includes packaging and handling fees.
Items will be send out within 1 business day after Payment Verified (Available on business days only).
Please check your shipping address before payment, and make sure it contain a valid phone number because almost all shipping request phone number, we may hold the order if phone number is missing.
If the item is from China, Tax is buyer\'s responsibility, we can declare a lwer price to reduce or avoid customs tax, but we don\'t take responsibility if buyer don\'t clear the customs. If the item is from US/UK/AU, I will pay the tax for you.
Return Please contact us for a solution via massage before open a return. Communication always is best way to solve problem.
We accept any return in 14 or 30 days that we promise.
If buyer return it just because buyer don\'t like it or bought a wrong item, it is buyer pay for return shipping fee.
if item is defect or wrong when it. we will pay for the shipping fee after buyer show the shipping invoice.
Please never return the parcel without agreement, if you don\'t get RMA NO. from us, it is no possible for us to get the parcel. and we will take no further sale for the return.
response We will automatically leave positive response to every buyer who completed the transaction.
Please DO LEAVE us FOUR 5- Detailed Selling Rating (DSR) and give Positive response which may help a lot for our business development. Because the Ratings below 5 are equal to \"You are NOT satisfied. Your recognition is our motivation in developing our small company and improving our service for each customer. It\'ll take you one minute only.
If you\'re not satisfied with our goods or service, please write to us immediately so that we can help you out. Sincerely hope you do not leave us any negative or neutral response. Communication is very important, we believe we can resolve all the problem with each other.
Terms & Conditions
We are legal company and honese seller, will protect every customer\'s profit. Any thought, please feel free to contact us. We will give you the best advise.
We welcome to answer any questions you have. Please send us a message through and we will answer you within 24 hours.
Our working time: 8:30 AM - 18:00 PM (Beijing Time GMT+8 ), Monday - Friday. (weekend and holidays excluded).
On Aug-14-20 at 20:14:03 PDT, seller added the following information:
