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The ALERTEX Lockdown system is a wireless critical alert system, designed to give a clear alert in the event of an activation. Lockdown units are visually and audibly distinct from fire alert units to minimise disruption and confusion.

Lockdown units comply with current guidelines from NaCTSO, which state that ‘the activation of the fire alarm to initiate evacuation should be avoided to reduce the possibility of an incorrect response’.

Lockdown units can enunciate a bespoke lockdown message that can be fully customised at the time of ordering. Alternatively, units can be ordered with a sounder that has 32 different alert sounds to choose from. Either variant is paired with a visual flashing beacon light.

School Holidays in England for the 2024 - 2025 academic year

As most Alertex Lockdown installations take place during school holidays, here is a list of forthcoming term times for England:

Autumn half-term 2024

Christmas 2024

Spring half-term 2025

Easter 2025

25 October 2024 – 4 November 2024

20 December 2024 – 6 January 2025

21 February 2025 – 3 March 2025

11 April 2025 – 28 April 2025

Sounder/Beacon with Call-Point

The ALERTEX call-point with either a sounder/beacon is a staple in any setup. When the call-point button on the unit is pressed, all units on the same site within 1km will be activated. The master variant is fitted with a reset key which will deactivate  the ALERTEX system post-activation. External units have an IP66 weather rating and are both water and dust resistant.

Sounder/Beacon Only

The ALERTEX sounder/beacon can play one of 32 different alert sounds, and is paired with a flashing beacon. The unit features no call point and is activated when a call-point or keyfob on the same site is triggered. The volume of the sounder is adjustable up to 117 dB.

Annunciator Only

The NXVS Voice Annunciator provides a site wide audible alert for lockdown, fire, or any other hazard. Users can choose from a library of prerecorded sound or voice messages, or they can record their own. Crucially, an ‘All Clear’ can be sounded post event.  The NXVS is fitted with white flashing strobe lights which automatically turn on when the system is activated.

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Wireless Call-Point
Only

The ALERTEX wireless call-point can activate any ALERTEX sounder / beacon or annunciator units on the same site within a 500m radius. It requires no wires or cabling and is battery operated.

Wireless Panic Alert
Key Fob

The ALERTEX key fob acts as a portable call-point and can activate ALERTEX sounder / beacon or annunciator units on the same site when used within 100m of a repeating unit. The key fob is supplied with a lanyard and breakaway clip. 

Technical Specifications

Power Requirements 2 x 3.6v lithium D cells
Battery Life Up to 2 years with low battery alert via masthead
Receiver Frequency 434.525 Mhz
Reception Range Up to 1km line of sight per mesh hop
Transmitter Power 10 MW
Aerial Supplied with 50 ohm helical
Site Codes 32
Unit Codes 64
Temperature Range -10°C to +60°C
Weather Rating IP66 for external units / IP54 for internal units
Housing Enclosure & sounder ABS, call-point polycarbonate
Decibel Level Adjustable from 86 dBa to 117 dBa
Sounder Operating Frequency 440 - 2900 Hz