Accuracy： ± 0.1 pH (at 20°C/68°F)

Typical EMC DEV： ± 0.2 pH

Batteries: 3 x 1.5V Alkaline (AG13)

Life: approx. 700 hours of use

Environment: 0°C ~ 50°C (32°F - 122 °F)

Relative Humidity: <95%

Dimensions: 152mm x 30mm x 15mm

Weight: 50g

* We do only accept Paypal.
* We only ship to Paypal confirmed address for international Buyers, We only Shipping to Paypal Verify user. Before you offering, Verify your paypal account please.

We ship products within 1 business days after your payment has cleared.

We ship products by USPS to USA. Normally, it will take between 8-15 days. You can track your products here TRACK YOUR ITEM.

We will carefully package your products to make sure your item will arrive safely.

International Shipping:

We welcome all international buyers. We ship to worldwide.

We are going to send you by HongKong Parcel/China Parcel/Singapore Parcel, you can track them on here TRACK YOUR ITEM.

1. Tracking No (registered) air parcel for the order amount above $30.

2. No tracking# air parcel for the order amount small than $30.00.if you want a tracking no when your total amount less than $30,you should pay more $2.5.

please find the below shipping time for your reference. If you don\'t get your product within the time we stated, please be aware that your items may be held in your country\'s customs office. Please allow more time for your product to arrive. You can always track your item or contact your country\'s customs office to inquire when they will be TimeWorking Days (not including holiday)15-1920-3233-48>50Working Days + Saturday + Sunday21-2526-4545-60>59Asia countryRate (item arrived )90%10%0%RefundIrelandRate (item arrived )40%60%0%RefundUnited KingdomRate (item arrived )40%60%0%RefundGreeceRate (item arrived )40%60%0%RefundTurkeyRate (item arrived )35%60%5%RefundFranceRate (item arrived )15%80%5%RefundGermanyRate (item arrived )20%70%10%RefundRussianRate (item arrived)10%50%40%RefundSpainRate (item arrived)5%45%50%RefundArgentinaRate (item arrived)5%35%60%RefundItalyRate (item arrived)5%15%80%RefundBrazilRate (item buyer from Italy, Brazil, Italy, Argentina. Greece, Russia and some other countries will receive the products around 2 months, as the strict policy of customs in these countries, please wait for your products with patient. If you can not accept the shipping time, please hazitate to buy.

If you don\'t receive your product, if it does not exceed the above shipping time, please wait for more some time. You can track it first, or call your local post office to see if there\'s any parcel for you. If you fail to do this, please contact us.

Please don\'t leave negative or neutral response if you don\'t receive product in above delivery time, as we mentioned the shipping time repeatedly.

If you want to receive your product quickly, you can choose EMS/DHL express. For the additional freight please contact us. And you must leave your phone number for express shipping.

If you don\'t get it more than 60days(Maybe the goods are lost during transportation), we will refund you all or resend you with a tracking No. us

Please Contact our service Group for any question at any time.

We work 5 days one week.

Working time GMT+8 from 8AM to 5:30PM.

Public holidays in China is not available for message reply.

holidays delivery is available , most of your order during holidays will be shipped out timely as long as the forwarder is available. the warehouse keeper will be on duties during holidays.

We are a manufacturer and wholesaler of solar panel and concerned renewable energy products.

we started solar business since 2002, most of our engineers are experienced on solar and

related accessories,if you buy from us, who you deal with is not just a seller, the whole technical team are back on you and your business.OEM and ODM service both available.

we would like to be your best supplier in China. factory price, factory outlet.

Only faulty item return be accepted within 14 days after you receiving the item

Only new original item is acceptable, including any accessories, manuals.

Buyer responsible for the return shipping cost, We pay for the back shipping cost.

All return should be contact us(through messages or mail) firstly.

We might ask buyer send some picture of faulty item in order to eliminate improper use, buyer has responsibility to cooperate and follow the test correctly.

We won\'t responsible for the lost item on the back way shipping

We will send back the item which there is no defective after checking , buyer responsible for all expense