Alarm annunciator suits Zone Two hazardous areas
A
RTK Instruments product story
Edited by the Engineeringtalk editorial team
Apr 12, 2006
Alarm Annunciator for use in Zone Two hazardous areas is designed to Atex Directive 100a and is available with from two to 120 windows, in a choice of three window sizes and six colours.
RTK Instruments' NEX7250 Alarm Annunciator is for use in Zone Two hazardous areas and designed to type n standards.
Meeting Atex Directive 100a in accordance with EN50021:1999, the unit is based on the field-proven Series 725 annunciator.
Systems are available in various sizes and formats from two to 120 windows, in a choice of three window sizes and six colours.
Windows are illuminated by bright, reliable LEDs.
As with all RTK annunciators, ASIC technology is used to increase reliability.
This multi-redundant design ensures no single point can cause failure.
The standard unit comprises a wall mounting steel enclosure with hinged plexiglass viewing window sealed to IP54.
Options include panel mounting versions or stainless-steel enclosures.
The NEX7250 is fully field-programmable for all standard ISA sequences plus a range of options.
Units are equipped with dual common alarm and dual horn relays as standard.
Options for RS485 serial interface and individual repeat relays per channel are available.
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