Atex Intrinsically Safe Remote Speaker Microphone (IP57)

Complying with requirements for instrinsic safety this remote speaker microphone enables easy and safe operation whilst working in challenging environments. applicable for PD715-Ex, PD795 Ex

Specifications of SM18N4-Ex


Dimensions	86.3* 62.1* 43.8mm
Weight	about 160 g
Color	black
PTT Key	available
Emergency Key	available
Microphone Sensitivity	–42±3 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa
Speaker Power	1 W (rated); 2 W (max.)
Speaker Impedance	20Ω±15% @ 1 kHz
Speaker Frequency Response	78±3dB@1kHz at 1w/30cm
IP Rating	IP67
Anti-explosion levels	ib IIC Ex level
Operating Temperature	–20℃ to 50℃
Storage Temperature	–40℃ to 85℃