Metel BREAK-TWA-MIC-ECT User manual

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Outdoor Electret Microphones
BREAK-TWA-MIC-ECT
▪Omnidirectional electret microphone
▪Outdoor design
▪Sensitivity -54dB
▪Impedance 680Ω
TWA-MIC-ECT
ORDERING NAME CODE SUPPLY
BREAK-TWA-MIC-ECT-M 3-100-724 BIAS
TWA-
MIC-ECT
0...10m
IP CAMERA
Description and technical parameters
TWA-MIC-ECT is an outdoor electret microphone 2.2 kΩ, 2.45VDC for connection to IP cameras.
TWA-MIC-ECT microphones are connected, using mic. cable, directly to IP cameras mic. inputs (max. 10m).
TWA-MIC-ECT-M –microphone with Mono Jack.
Tested with: VIVOTEK
TWA-MIC-ECT-SR –microphone with Stereo Jack right channel connect.
Tested with: HIKVISION
Parameter Value Unit Note
MIC Bandwidth 200 –15 000 Hz
Supply BIAS VDC ECT
SNR min. 60 dB
Consumption 1.5 mA ECT
Mechanical Parameters Dimensions - w / h / l 30 x 75 mm
The producer retains the right to change any technical parameters without previous announcement.
TWA-MIC-ECT CHARACTERISTICS
CONNECTION OF BREAK-TWA-MIC-ECT
Electret microphone does not require any additional external
supply. The microphone is used for devices that already have
integrated BIAS supply (e.g. PC, some IP cameras, ...).
ASYMMETRIC AUDIO SIGNAL ...max. 10m
Coaxial cable 0.5m with 3.5mm mono JACK (BREAK-TWA-MIC-
ECT-M) or stereo JACK (BREAK-TWA-MIC-ECT-SR).
▪Signal-noise ratio min. 60dB
coax cable
LEGEND
BREAK-TWA-MIC-ECT-SR 3-100-726 BIAS

Installation manual REV:201203
BREAK-TWA
Outdoor Electret Microphones
www.metel.eu 2/2
Installation and Setting
1.) Mounting of converters
MIC –screw the microphone to surface using the slot at the backside. We recommend to install the microphones
with 30°- 90° slope in the outdoor (raining) conditions
30 - 90
oo
Connection JACK connector BREAK-TWA-MIC-ECT-M
Connection JACK connector BREAK-TWA-MIC-ECT-SR
Ground Signal
Mono JACK
Stereo JACK
Ground Signal (R)