ACS UK1401, Руководство по эксплуатации, Страница: 7 / 44

Ultrasonic tester UK1401
Operation Manual
7
ACOUSTIC
CONTROL
SYSTEMS
1
1.2 TECHNICAL SPECIFICATIONS
The main technical specifications of the device are listed in the Table 1
Parameter name Value
Delay adjustment range, µs from 2 to 20
Operational frequency, kHz 50
Measurement base, mm 150±1
Indication discreteness of propagation time of ultrasonic waves, µs 0.1
Indication discreteness propagation velocity of ultrasonic waves, m/s 10
Measurement range of propagation time of longitudinal ultrasonic waves, µs from 12.5 to 150.0
Measurement range of propagation velocity of longitudinal ultrasonic waves, m/s from 1 000 to 12 000
Limits of permissible absolute measurement error of propagation time of ultrasonic waves, µs,
where t – measured time value
±(0.01∙t+0.1)
Limits of permissible absolute measurement error of propagation velocity of ultrasonic waves, m/s,
where с – measured velocity value ±(0.012∙с+K
•
с
2
+10),
where K=6,7
•
10
-8
(m/s)
-1
Nominal voltage, V 3.3
Period of continuous operation of the instrument with 80% value of screen brightness, at 25˚С,
working with 6 Hz measurement frequency, min.
16 hours
Overall dimensions of the instrument, mm, max. 235x155x65
Maximum weight of the instrument, max. 450 g
Average time between failures 18,000 hours
Average service life 5
Table 1