
23
Relative humidity
:
≤95%
5.3 Technical data
5.3.1 Tester measurement data requirement
(
1
)
Composite TEV measurement
Sensor: Capacitive
Range
:
0
~
60dBmV
Resolution
:
1dB
;
Error
:
±1dB
Detection Bandwidth
:
5~70MHz
Pulse/Cycle maximum
:
655
Threshold adjustment range
:
3
~
57dB
(
2
)
High frequency current transformer
Detection Bandwidth
:
10kHz
~
30MHz
Signal transit mode:50Ω cable
Detection sensitivity: 10pC
(3)Ultrasonic concentrator
Measurement range
:
-7dBμV
~
68 dBμV
Resolution
:
1dB
Error
:
±1dB
Sensor sensitivity
:
-65dB (0dB = 1volt/μbar effective value SPL)
Sensor central fequency:20
~
50kHz
Sensor diameter: no more than 50mm
Heterodyne frequency
:
38.4kHz
(
4
)
Non - contact ultrasonic energy collector
Effective acceptance distance: 30m; Sensor center frequency: 40 kHz;
Diameter of sensor: 16mm; External diameter of parabolic reflector: 275mm;
Standard diameter of parabolic reflector: 250mm; Weight: 0.6kg;
(
5
)
Ultrahigh frequency sensor
Detection bandwidth
:
300MHz
~
1.5GHz
Signal transit mode
:
50Ω cable
Detection sensitivity
:
1dB
Gain
:>
65dbm
(
6
)
Anti-interference Earphone Mic
Earphone Mic
:
vivo
5.3.2 Hardware
Enclosure: With protective enclosure, the protection grade is reached or better than IP53.
Connectors: Earphone port, low voltage DC charger input, external ultrasonic sensor
input.