ATEX osteomicrophone

Product Code :


The osteomicrophone is intrinsically safe equipment intended for use with protective helmets (firefighter helmets, bulletproof helmets, construction helmets, etc.)

This equipment will allow use with or without a breathing mask.

Available in mono or bi-earphone version

The assemblies thus formed are compatible with regard to Intrinsic Safety and can be used in potentially explosive environments.

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Intrinsic safety Yes
ATEX marking* Ex II 2 G Ex ib IIC T4 Gb
Operating temperature -20°C to +55°C
Electrical parameters** Voltage (Ui): 4.2Volts (V)
Intensity (Ii): 7.8 Ampere (A)
Power (Pi): 2.4 Watt (W)
Ci: 10nF Li: 0
Voltage (Ui): 8.7Volts (V)
Intensity (Ii): 0.425 Ampere (A)
Power (Pi): 3.57 Watt (W)
Ci: 10nF Li: 0

* This intrinsically safe product is designed for use in an industrial environment above ground, in zone 1 where an explosive atmosphere is likely to occur from time to time and in the presence of group IIC gases (eg acetylene). The surface temperature of the product will not exceed 135°C. Care must therefore be taken not to use this product in the presence of gases with an ignition temperature lower than 135°C.


Please select the options below to get detailed information about your product.

1 earphone (default)
2 earphones (without arm)


If your needs do not match the different options on this page, we are able to help you develop the product that meets your particular requirements. Contact us with your contact details so that our team can inform you as soon as possible.

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