
Cer
tification
Certification
ATEX approved
Intrinsically Safe
Sira 10ATEX2066X
SAFETY NOTES
•
HT Series V2 ATEX radios must always be used within the terms of their certification
•
Keep the radios away from aggressive substances. If used in a hostile environment, extra
protection may be needed
•
To prevent ignition of hazardous atmospheres, batteries must only be charged in an area
known to be non-hazardous
•
Use of battery chargers other than the Entel charger supplied will invalidate the explosion
protection certification
•
No unauthorised repairs are permitted
•
This equipment is designed and manufactured to protect against other hazards as defined in
paragraph 1.2.7 of ATEX Annex II of the Directive 94/9/EC
•
Radios fitted with a CNB940E battery pack must not be used outside of the ambient
temperature range Tamb = -20ºC to +28ºC
•
Radios fitted with a CNB950E battery pack must not be used outside of the ambient
temperature range indicated on the battery pack label
26
HT844
HT944 & HT942
* Depending on the battery pack fitted.
II 2 G Ex ib IIA T4 Gb
Ex ib IIA T4 Gb
Ta = -20°C to + 28°C* or
Ta = -20°C to + 40°C*
II 2 G Ex ib IIC T4 Gb
Ex ib IIC T4 Gb
Ta = -20°C to + 28°C* or
Ta = -20°C to + 40°C*
Certifcation
Summary of Contents for HT8/944
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