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Availability: กรุณาสอบถามค่ะ
Function:
1. Measures in imperial/metric
2.Star point selection
3.Computes areas and volumes
4.Sum of lengths.
5.Auto/manual shut-off
6.LCD backlight
7.Low battery warning
8.Key sound, beeps for wrong reading finding and reading confirmation.
Requirement of measurement :
Ultrasonic technology is adopted in this unit so the unit should be hold toward the surface of ther object to measure at a rectangular angle.
To assure the accuracy that rectangular angle should be controlled less than +/-5% deviations.
For rough surface subject, this unit can't reach precision measuring stated in this manual.
Specification:
Measuring rang settings: 0.3m--1.5m (10 inch--50 feet)
SET: Switch measures from front or rear of unit.
M/Ft: Switch measures in metric/imperial.
Accuracy: +/-1% of reading.
Response time: 2 sec
Power supply: 4 * AAA batteries
Stand-by current: 50uA
Before measuring current: 10mA
Operating current: 45mA
Auto shut-off: 60 sec(approx)
LCD backlight: active in 6 sec(approx)
Operation environment temperature: 0 --40 degree celsius.
Humidity: 45%--90%
Store temperature: -10 to 60 degree celsius
Dimension: 54*100*27mm
Weight: 200g(with battery)
{tortags,582,3}