LANDTEK DT-2859 Digital Tachometer for rotative velocity surface speed frequency

Description

Features:
* Multifunctional, one instrument combines PHOTO TACH.(RPM) & CONTACT TACH. (RPM , m / min, ft / min ). It can also be applied to the measurement of Frequency, Cycle, Pulse Times, Pulse Distance, User-defined Pulse Distance, etc.
* Digital display with no guessing errors.
* Wide measuring range and high resolution.
* The last value / max. value / min. value will be automatically stored in memory.
* The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures elegant shape and ease of use.
* Use USB data output to connect with PC.
* Provide Bluetooth data output choice.
Measuring Range
Laser
2.5~99,999  r/min
Contact
0.5~19,999 r/min
Surface
Speed
0.05~1999.9 m/min
0.2~6560 ft/min
Frequency
0.04~1666.65 Hz
Resolution
Rotative
Velocity
0.1 r/min (0.5~999.9 r/min)
1 r/min (Over 100 m/min)
Surface
Speed
0.01 m/min (0.05~99.9 m/min)
1 m/min (Over 1000 r/min)
0.1 ft/min (0.1~999.9 ft/min)
1 ft/min (Over 1000 ft/min)
Accuracy
±(0.05%n+1d)
Sampling Time
1.0s(Over 60 r/min)
Test Range Select
Automation
Memory
Max Value /Min Value /Last Value
Time Base
Quartz Crystal
Laser Tach
50~250 mm/2~10 inch(Typical)
Detecting Distance
Max 600 mm/24 inch
Power Consumption
80 mA (Testing)
Operating Temperature
0~50ºC(32~122ºF)
Power Supply
4x1.5V AAA Size (UM-4) Battery
Not included
Dimensions
Main Unit
140x72x34 mm(5.5x2.8x1.3 inch)
Sensor
Φ45x195 mm(Φ1.8x7.7 inch)
Weight
245g/0.540 lb(Not Including Batteries)
Notice:
The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.Thanks for your support!
Shipping:
We will ship all items within 1-3 working days upon receipt of payment,our goal is: ship it as fast as we can.
Standard Shipping: To USA,UK and Australia by ePacket,need 7-12 working days.
Expedited/Standard Int'l Shipping by Fedex,DHL,TNT and EMS courier: To USA,need 3-6 business days,To other countries,need 4-8 business days normally.But sometimes int'l delivery is highly depended on the courier company and local customs/duties.
Import duties and taxes are not included in the item price or shipping charges.These charges are the buyer responsibility.
Warranty&Reture Policy:
We encourage all customers to communicate with us through eBay messages. If you have any questions or comments whatsoever regarding our products or listing, we are waiting to hear from you
A 1 year warranty is offered for this product.If the product malfunctioned under proper usage per instructions
manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.
30 days evaluation and investigation takes placed after receiving your return item.A brand new replacement unit will be sent to you at our shipping costs if it meets our warranty requirements.
Notice:
The  standard package don't include batteries.Because,the international air  shipping forbid to ship liquid,powder and batteries,we can not put them  in the package box.Hope you can understand buy them in your local store  or supermarket.Thanks for your support!
Shipping:
We will ship all items within 1-3 working days upon receipt of payment,our goal is: ship it as fast as we can.
Standard Shipping: To USA,UK and Australia by ePacket,need 7-12 working days.
Expedited/Standard  Int'l Shipping by Fedex,DHL,TNT and EMS courier: To USA,need 3-6  business days,To other countries,need 4-8 business days normally.But  sometimes int'l delivery is highly depended on the courier company and  local customs/duties.
Import duties and taxes are not included in the item price or shipping charges.These charges are the buyer responsibility.
Warranty&Reture Policy:
We  encourage all customers to communicate with us through eBay messages.  If you have any questions or comments whatsoever regarding our products  or listing, we are waiting to hear from you
A 1 year warranty is offered for this product.If the product malfunctioned under proper usage per instructions
manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.
30  days evaluation and investigation takes placed after receiving your  return item.A brand new replacement unit will be sent to you at our  shipping costs if it meets our warranty requirements.
On Feb-05-20 at 16:05:49 PST, seller added the following information: