SM8238 Digital Multi-Functional Tachometer Tacho Meter RPM Record Meter Tester with USB Interface

This digital multi-functional tachometer can see the digits easily with the LCD screen and backlight. The 4:1 low-rotating speed measurement mode promises a more accurate measurement of the rotating speed.

Feature:
LCD screen, white backlight, no parallax.
Automatic display prompt for low voltage.
Frequency measurability.
The rotating shaft"s linear speed is measurable in the case of a given radius. The rotating shaft"s radius may be set at 2-999mm.
The 4:1 low-rotating speed measurement mode promises a more accurate measurement of the rotating speed.
A filtering lens can receive the red light of specific wavelengths only, thus avoiding parasitic light effectively.
The function of automatic recording of the maximum, the minimum and the last value, and the continuous mode which can realize savings of over 18,000 data groups.
A MINI USB interface makes data transmission easier.

Specifications:
Measurement Range
Rotating Speed: 2.5-99999 RPM
Linear Speed: Max 99999m/min
Frequency: 1~1666.66Hz
Resolution: 0.01 RPM (3 ~ 999.99 RPM); 0.1 RPM (1000 ~ 9999.9 RPM); 1 RPM (above 10000 RPM)
Accuracy: (0.05%+1 digit)
Sampling Rate: 0.3S(rotating speed1,000RPM); 0.5S(rotating speed<1,000RPM)
Interface: Mini USB
Current: <50mA
Power: 3 * 1.5V AAA(Not Included)
Measuring Distance: 10~50cm
Dimension: 17.5 * 4.6 * 4.5cm / 6.89 * 1.81 * 1.77in (L * W * H)
Weight: 169g / 5.96oz
Package Size: 20 * 10.5 * 5.5cm / 7.87 * 4.13 * 2.16in (L * W * H)
Package Weight: 232g / 8.2oz

Package List:
1 * Tachometer
3 * Reflective Sticker
1 * USB Cable
1 * CD
1 * Storage Bag
1 * User Manual (English)

Shipping:

1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.
2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .
3.If you didn"t receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges.
5. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

Warranty:

1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.