GVDA Digital Anemometer Handheld Wind Speed Meter GD155 for Measuring Wind Speed Temperature and Wind Chill with Backlight LCD
81.18 44.75 $
ID: 153477
Quantity
Hardness Identification Instrument, High-Precision Thermal Conductivity Meter, Drilling Pen Hardness Tester
4.6 (87 votes) | 449 orders
Price:
US $37.15
Discount Price:
US $
18.58
-50%
- Color
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Features:
Accurate and reliable:
Use this diamond gemstone testing pen to quickly and easily test the authenticity of your gemstones.
LED indicator light
The built-in LED indicator light allows you to easily read the test results.
Portable:
Wherever you go, you can carry this compact gemstone selection tool with you to ensure the authenticity of your jewelry.
multi-function:
Not only suitable for diamonds, this testing machine can also be used to test the hardness and authenticity of jade and other gemstones.
Easy to use:
Just touch the test pen onto the gemstone, and the LED indicator light will tell you if it is true or false.
Specifications:
Color: Black
Power supply: 1 9V DC battery (not included)
Item size: 13.3 * 4.1 * 2cm (5.2 * 1.6 * 0.7 inches)
Maintenance and repair:
1. The instrument is very sensitive to the probe and should be protected with special care. It should not be used and should be placed on a protective sheath.
2. The preparation indicator light is very dim, indicating that the battery will be depleted and should be replaced in a timely manner.
3. The instrument has not been used for a long time, please remove the battery.
4. For accurate detection, it is recommended to perform calibration once a year.
Hot Tips:
The thermal conductivity of 1 meter is designed and manufactured based on the thermal conductivity of diamonds. It is particularly used to identify real diamonds and fake diamonds.
2 precision electronic instruments, operating in an environment with a temperature range of 5-35 degrees Celsius and a relative humidity of 80%.
Three gems should be clean, dry, and at room temperature.
During the testing period, transfer to the first or second grid.
The packaging includes:
1 * Diamond selector
ÉTAPES DE RÉFÉRENCE
RÉSULTATS DE RÉFÉRENCE D'UTILISATION DU PRODUIT
Packaging Details
- Unit Type:
- Package Weight: 0.110
- Package Size: 6x3x18
- Brand Name: NoEnName_Null
- Origin: Mainland China
- Hign-concerned Chemical: None
- Origine: CN (Origine)
- Choice: yes
Shipping & Delivery
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
If you can't find the estimated delivery time on the product detail page, you can look at the following table for reference.
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
|---|---|
| United States | 7-25 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Mexico, Central America, South America | 15-30 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information, but sometimes due to free shipping tracking is not available.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you’ve specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
LARGE ORDER DEALS
Thank you for your interest doing business with us!
If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.
