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This sophisticated tool uses the very latest developments in technology to drastically speed up the time taken to
make distance estimations.
The VTUSD is used by realtors, surveyors, engineers and builders for a fast; easy estimation of sizes, areas and
volumes of space at home or on site. The VTUSD has many uses, but is particularly suitable for estimating areas for
carpets, wallpapering, etc.
MAINTENANCE AND CARE
This tool is a technical instrument so it should be handled carefully.
1. Clean with a soft damp cloth.
Do not immerse in, or spray with water, liquids or abrasive cleaners.
2. The ultrasonic module has been sealed after calibration at the factory. Do not attempt to service or adjust.
3. This tool is temperature compensated. Small variations may occur with change in altitude and humidity. These
variations can be ignored for estimating purposes.
4. The sound waves from this unit may be affected by strong crosswinds, which could affect reading accuracy.
5. This estimator measures from the bottom end of the case (battery end).
TECHNICAL SPECIFICATIONS
• Range :
• Range in : Ft / inches. Metres/mm
• Three 3V lithium batteries (CR2032)
• Accuracy : ±0.5%
• LCD with digit height 12mm
• Size : 66 x 130mm
• Operating temperature : 10° - 40°C (50° - 100°F)
• Weight : 152g
FEATURES
• The VTUSD can recall last reading even after being switched off.
• Automatic hold of reading for 10 seconds.
• Power saving automatic shut off 10 seconds after last entry.
• Error indication
• Sequential addition feature
• Converts metric readings to imperial and vice versa.
• Tough plastic case.
• Squared and cubed calculation functions. It is recommended that the instruction sheet enclosed is read
thoroughly before use.
VTUSD
MIN.
MAX.
2 Ft.
48 Ft.
61 cm
14.5 meters
1
VELLEMAN
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