4 Digital LED Tachometer RPM Speed Meter & NPN Hall Proximity Switch Sensor

Description

Product Description
4 Digital LED Tachometer RPM Speed Meter & NPN Hall Proximity Switch Sensor
Feature：
- 100% brand new and high quality.
- 4-digits display, clear and easy for readings.
- Mini size, high performance and fast reaction speed.
- With good stability, high accuracy, anti-interference ability.
- Using the latest A/D conversion chip, high stability reference IC and stick chip components.
- It can be applied to voltage and current measurement, also can be an external sensor to measure temperature, pressure, displacement and other physical quantities.
- Setting parameters will be memorized when power off.
- Suitable for detecting the speed of every kind of motors.
- Over-range display: the thousand unit display "1" or "-1", the last three do not show.
Specification：
Voltage：DC8-24V
Current：30mA
Measurement range：10-9999rpm
Accuracy：0.1%
Clear zero time：About 10s
Display refresh rate：>3 times/sec
LED color：red/blue
Detected objects：Magnet.
Detection range：1mm-10mm.
Proximity output current：20mA(For the sensor).
Operating temperature：-10 to 60°C.
Sensor size：60 x 10mm
Sensor wire length：1.2M
Magnet：10x2mm
Package Included：
1 x LED Tachometer
1 x NPN hall proximity sensor
1 x Magnet
About Us
Payment
Shipping
Terms
Contact Us
We are responsible seller,We do our best to provide you with fashion products to make you to be beautiful and happy!
Customer satisfactory is most important to us.If you have a problem or question regarding your transaction,feel free to contact us.we will try our best to solve the problem asap.Your satisfactory is our goal.
We accept PayPal only
.
Payment must be received within 7 Days from the date of purchase.
Please leave note in PayPal when making the payment if you have any special  request (colors/size). Orders will be processed instantly and dispatched in same day normally,so we do NOT accept any Email/Message note before or after you place orders.
We only ship to ebay address!
If you want to ship to other address, please change your ebay address before making a payment.
We Ship to Worldwide, except China and so on.
Items will be shipped within 2 business days on payment received.
Items are shipped from Hong Kong using Airmail, reach most of the countries within
12 to 25
business days.
USA/Canada                        10-22days
United Kingdom/Australia
12-25days
most countries in Europe
12-30 days
Delivery time depends on destination and other factors, it may take up to 20 business days. If you don't receive the item after 30 days, please contact us, we'll investigate and solve the delivery problem.
Customs duty is obligation and liability of a citizen in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue.
Defective product must tell us within 3 days attached with the picture of defective part. Please return it with your own cost within 2 weeks from the time the merchandise is received. We will arrange to exchange a new one for you at once. (you should include all original items undamaged in resaleable condition, thanks).
If you need refund, only item's listing price is refundable. Buyer is responsible for shipping cost incurred shipping products back.
Buyers have to pay for the return cost and we will pay the cost for resend.
If you are happy with the item or have any problem,please feel free to contact us and we will resolve your problem, please Don't leave us the negative feedback without send the message, thanks for your support.
We guarantee 100% customer satisfaction. Please contact us with any comments, questions or suggestions that you may have, we will be happy to assist you. You can contact us by leaving us an eBay message, or email us. You can find our email address in you Winning Buyer Notification email.Our working schedule: (including hotline and online inquiry)
Please contact us if you have any problemupon receiving your item and pls send E-mail to us,our
business hour:9:00 AM to6:00 PM(Monday-Saturday).
About Us
We are responsible seller,We do our best to provide you with fashion products to make you to be beautiful and happy!
Customer satisfactory is most important to us.If you have a problem or question regarding your transaction,feel free to contact us.we will try our best to solve the problem asap.Your satisfactory is our goal.
Payment
We accept PayPal only
.
Payment must be received within 7 Days from the date of purchase.
Please leave note in PayPal when making the payment if you have any special  request (colors/size). Orders will be processed instantly and dispatched in same day normally,so we do NOT accept any Email/Message note before or after you place orders.
Shipping
We only ship to ebay address!
If you want to ship to other address, please change your ebay address before making a payment.
We Ship to Worldwide, except China and so on.
Items will be shipped within 2 business days on payment received.
Items are shipped from Hong Kong using Airmail, reach most of the countries within
12 to 25
business days.
USA/Canada                        10-22days
United Kingdom/Australia
12-25days
most countries in Europe
12-30 days
Delivery time depends on destination and other factors, it may take up to 20 business days. If you don't receive the item after 30 days, please contact us, we'll investigate and solve the delivery problem.
Customs duty is obligation and liability of a citizen in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue.
Terms
Defective product must tell us within 3 days attached with the picture of defective part. Please return it with your own cost within 2 weeks from the time the merchandise is received. We will arrange to exchange a new one for you at once. (you should include all original items undamaged in resaleable condition, thanks).
If you need refund, only item's listing price is refundable. Buyer is responsible for shipping cost incurred shipping products back.
Buyers have to pay for the return cost and we will pay the cost for resend.
If you are happy with the item or have any problem,please feel free to contact us and we will resolve your problem, please Don't leave us the negative feedback without send the message, thanks for your support.
Contact Us
We guarantee 100% customer satisfaction. Please contact us with any comments, questions or suggestions that you may have, we will be happy to assist you. You can contact us by leaving us an eBay message, or email us. You can find our email address in you Winning Buyer Notification email.Our working schedule: (including hotline and online inquiry)
Please contact us if you have any problemupon receiving your item and pls send E-mail to us,our
business hour:9:00 AM to6:00 PM(Monday-Saturday).
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