Entel HT944 User's Guide download pdf (Page 27)

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

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

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Entel HT944 User's Guide Page 27