Ex-proof Wall Mount Handset Station
Dynamic noise-canceling microphone to reduce the background noise effectively and to enhance communication quality, in the 115dB environment, the two persons still can achieve a clear call (in accordance with the national test certificate issued by the authority)
On board DC power indicator for easy maintenance
Modularized components for easy installation and maintenance.
Metal button, feel comfortable.
One button used to adjust volume
Key parameter:
Ex-marking : ExdibⅡCT6 Gb/DIP A21 TA,T6
Protection Grade:IP66
Input level&output level:1.5Vrms
AGC:58dB normal ,(40-68dB adjustable)
Frequency response:250-7500Hz(±1.5dB)
Noise-canceling performance:run in the115dB environment condition
Noise immunity:SNR is 16:1 @ 120dB
Transmitter:10Ω,dynamical anti-noise
Headphone:130Ω,dynamical anti-noise
Degree of distortion:1% (1000Hz)
Adjustable item:Gain and volume of transmitter,volume of loudspeaker, sidetone
Power supply:AC220V,50HZ,
Zero signal power:2.5W
Max. signal power:30W
Phone cable length:30CM, Max.1.5M
Air pressure: 86~106KPa
Temperature -:40℃~+60℃
Humidity: 95%RH(+25℃)