1. Specifications
JCY-1800/1850 VDR/S-VDR Installation Guide
21
DOC No. 7ZPJD0387C
1.10.5. Microphone Unit (NVT-161)
(1) Function: Acquisition of W/H conversation, Alarms and sounds etc. in W/H
(2) Performance:
a) Type: Ceiling mount type, wall mount type
b) Device: Electoret condenser microphone
c) Directivity: Hemispherical and omnidirectional
d) Receiving range: 2.5m of radius
e) Power supply: Phantom powered by 12VDC
f) Test device: Built-in speaker for audio acquisition test
(3) Environmental condition:
a) Operating temperature: -15°C to +55°C (IEC 60945 protected type)
b) Temperature and humidity: +40°C, 93%
c) Vibration: 2Hz to 13.2Hz ±1.0mm
13.2Hz to 100Hz 0.7G
(4) General specification
a) Size: 110(w) x 44.5(d) x 160(h) mm
b) Mass: 0.2kg
c) Color: N4 semi-gloss texture
1.10.6. Waterproof Microphone Unit (NVT-162) -Option-
(1) Function: Acquisition of wing conversation etc.
(2) Performance:
a) Type: Wall mount type
b) Device: Electoret condenser microphone
c) Directivity: Hemispherical and omnidirectional
d) Receiving range: 2.5m of radius
e) Power supply: Phantom powered by 12VDC
f) Test device: Built-in speaker for audio acquisition test
(3) Environmental condition:
a) Operating temperature: -25°C to +55°C (IEC 60945 exposed type)
b) Temperature and humidity: +40°C, 93%
c) Vibration: 2Hz to 13.2Hz ±1.0mm
13.2Hz to 100Hz 0.7G
d) Waterproof grade: IPx6
(4) General specification
a) Size: 126(w) x 93(d) x 110(h) mm
b) Mass: 1.2kg
c) Color: N7 semi-gloss
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