Velleman DTO6234N - Manual (Page 3)

DTO6234N_v2 VELLEMAN - 3 -
DTO6234N – DIGITAL TACHOMETER
1. Introduction & Features
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialised
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
• This tachometer for professional use consists of long-life high-quality components and the housing is made of
light but rugged ABS plastic. The device handles comfortably thanks to the ergonomic housing.
• Wide measuring range and high resolution.
• Clearly legible LCD display.
• The last displayed value and the min/max values are automatically stored in the memory and can be displayed by
pressing the memory (MEM) button.
• Indicator for low battery voltage
2. Specifications
Laser visible diode laser
Output Power < 5mW (class IIIR)
Wavelength 630-670nm (red beam)
EN60825-1:1994+A1+A2
Display 5 digits, 15mm LCD
Accuracy ± 0.05% + 1 digit
Sampling Time 0.5 sec (more than 120 RPM)
Range Selection automatic
Memory max/min value and last measuring result are automatically stored in the
memory
Detection Range 50mm to 500mm
Time Base quartz crystal
Power Consumption ± 45mA
Battery 1 x 9V 6LR61 battery (incl.) or external 6-9VDC power adapter (not
incl.)
Operating Temperature 0°C to +50°C
Dimensions 160 x 58 x 39mm
Weight 160g (including battery)
Accessories holder, reflecting tape (600mm) and manual
Test Range 2.5 to 99.999 RPM
Resolution 0.1 RPM (2 to 999.9 RPM)
1 RPM (> 1 000 RPM)
Total Testing Range 2 ~ 99999
3. Memory Button (MEM)
The last measured RPM value is automatically stored in the memory. Look at the example in figure 1 on page 2:
Attention: Looking into the laser beam may cause severe eye injury.