Introduction & Features - Velleman DTO6234N Notice D'emploi

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
Attention: Looking into the laser beam may cause severe eye injury.
2. Specifications
Laser
Output Power
Wavelength
EN60825-1:1994+A1+A2
Display
Accuracy
Sampling Time
Range Selection
Memory
Detection Range
Time Base
Power Consumption
Battery
Operating Temperature
Dimensions
Weight
Accessories
Test Range
Resolution
Total Testing Range
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:
DTO6234N_v2
DTO6234N – DIGITAL TACHOMETER
visible diode laser
< 5mW (class IIIR)
630-670nm (red beam)
5 digits, 15mm LCD
± 0.05% + 1 digit
0.5 sec (more than 120 RPM)
automatic
max/min value and last measuring result are automatically stored in the
memory
50mm to 500mm
quartz crystal
± 45mA
1 x 9V 6LR61 battery (incl.) or external 6-9VDC power adapter (not
incl.)
0°C to +50°C
160 x 58 x 39mm
160g (including battery)
holder, reflecting tape (600mm) and manual
2.5 to 99.999 RPM
0.1 RPM (2 to 999.9 RPM)
1 RPM (> 1 000 RPM)
2 ~ 99999
- 3 - VELLEMAN