MSA BLTS-1006, Operating Manual

Page: 57 / 72

57 Version 0.1
Operating manual
Headset HS-3, HS-3P, HS-3P with angle connector
Description: external communication device for
talk-back communication in noisy environment.
Features:

freedom to move;

PTT switch;

may be connected to telephones and сommutator tel-
ephones;

delivered with a bracket;

CE type cord may be used;

cable length from headset to PTT: 0.8 m;

cable HS-3 with bare ends;

cable HS-3P with plug type or angle plug type con-
nector.
Technical specifications:

headset type: passive, monophonic;

close-talking response at frequency 300… 3400 Hz (idle run):
16 dB;

module of microphone impedance at frequency 1000 Hz:
600±120;

roughness of close-talking response microphone frequency char-
acteristic within 300…3400 Hz: 12 dB;

microphone axial selectivity to spherical field at frequency
300 Hz: 10 dB;

output voltage of electroacoustic interaction of headset transmis-
sion at noise pressure 104 dB at load 600 Ohm: 1.25…1 mV;

noise suppression within 100…400 Hz: at least 8 dB;

operation at noise: max. 115 dB;

operating temperature: –40 ℃…+55 °C;

IP rating: IP56;

weight: 0.7 kg.
Mounting type: wall (storage).