Velleman DTO2234 User Manual

DTO2234 Digital Photo Tachometer

User Manuel
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Manuel d’Utilisation

DTO2234 GB1

1.FEATURES

• Measuring RPM is safe & accurate without attachment to object.

• Wide measuring range & high resolution

• Digital display gives exact RPM with no guessing or errors.

• Uses the exclusive MICRO-COMPUTER LSI-circuit and crystal time base to

offer high accuracy measurement & fast measuring time.

• The last value / max. value / min. value will be automatically stored in memory

and can be obtained by pressing MEMORY CALL BUTTON.

• The use of durable, long-lasting components, including a strong, light-weight

ABSplastic housing assures maintenance free performance for many years. The
housing has been carefully shaped to fit comfortably in either hand.

2. SPECIFICATIONS

Display : 5 digits, 10mm (0.4") LCD (Liquid Crystal Display) with

function annunciation
Test Range : 5 to 100000 RPM
Resolution : 0.1 RPM (0.5 to 999.9 RPM)

1 RPM (over 1000 RPM)
Accuracy : ± (0.05% + 1 digit)

Sampling Time : 1 sec. (over 60 RPM)
Test Range Select : Automatic
Memory : Last value, Max. value, Min. value
Detecting Distance : 50 to 150mm (2" to 6"), typical max. 300mm (12"),

depending upon ambient light
Time Base : Quartz crystal
Circuit : Exclusive one-chip of microcomputer LSI circuit.
Batteries : 4 x 1.5V AA (UM-3) batteries
Power consumption : Approx. 150mA (operation)
Operation Temp. : 0 to 50°C (32 to 122°F)

Size : 191 x 72 x 38mm (7.5" x 2.8" x 1.5")
Weight : 250g (0.55 lb) (including batteries)
Accessories : Carrying case : 1 pc

Reflection tape marks (600mm) : 1pc

Operation manual : 1pc