HS2234 Digital Laser Tachometer LCD RPM Test Small Engine Motor Speed Gauge Non-contact Tach Tool Meter 4*24CM Reflective paper

เครื่องวัดรอบโดยแสง laser  HS2234, 2.5RPM-99,999RPM 

 HS2234 เครื่องวัดความเร็วรอบ Non-Contact Tachometer

Features:
MCU Embedded, based on optoelectronic, semiconductor laser and other advanced technology, and non-contact RPM measurement.
Wide range of the measurement and high-resolution.
Automatic measuring and manual measuring selection.
High and low power of laser alternative for far and near distance measurement and eye protection.
Auto recording 50 sets of data and adjustable sampling interval time.
Automatic to record the Max, Min and Average data.
With LCD backlight, it can work in the dark.
Auto shut off after 30 seconds without operation.

Specification:
Color: Gray
Display: 5 digits LCD, Max 99999
Measuring range: 2.5RPM-999.9RPM
Resolution: 2.5RPM-999.9RPM (0.1RPM); 1000RPM-99999RPM (1RPM)
Accuracy: ±(0.05% rdg + 1 digital)
Available distance: 50mm-500mm
Sampling time: 0.5s(over 120 RPM)
Time base: Crystal Oscillator
Operating Temperature: 0 ~ 50 degrees Celsius
Storage Temperature: -20 ~ 60 degrees Celsius
Powered by: 2 * AAA batteries(Not included)
Power consumption: Laser in low power 25mA; Laser in high power 40mA
Tachometer size: 10.8 * 6 * 2.8cm / 4.3 * 2.4 * 1.1oz
Tachometer weight: 73g / 2.6oz
Package size: 20 * 12.5 * 6cm / 7.9 * 4.9 * 2.4in
Package weight: 173g / 6.1oz

Package list:
1 * Digital tachometer
1 * User manual
3 * Reflecting tape mark