User's Manual

5
4.1 Ex-RSM Aurelis BT Gb
4.1.2 NEC & CEC
Ex-Marking: Class I, Division 1, Groups A-D T4
Ambient temperature: -20°C ≤ Ta ≤ +50°C
Approved for Division 1 and 2 Class I
5. Specications
Microphone
Pattern: electret
Directional: omni-directional
Impedance: 1200 Ohm
Sensitivity: -38 dBV / Pa, 1 kHz
Frequency range: 50 Hz – 16 kHz
Loudspeaker
Pattern: dynamic
Impedance: 8 Ohm at 1 mW / 1 kHz
Sound pressure:
Frequency range: 200 Hz – 8 kHz
Additional data
Power supply: Li-Ion battery, 3,7 V, 800 mAh, 2,96 Wh
Bluetooth: 2.0
Protection class: IP54
Weight: Approx. 200 g (7.1 oz)
CE-designation: CE0102