The detector is a security surface sound radio channel Arfa-PRO is designed to detect the destruction of glazed building structures, including double-glazed windows (single-chamber and double-chamber according to GOST 24866), made with the use of sheet glass. Arfa-PRO has an acoustic detection channel (AK) and an input for connection of an alarm loop. The maximum operating range of AK is 6 m. The main power supply is a lithium battery.
The main power supply is a lithium battery with a nominal operating voltage of 3.0 V and a capacity of 1.2 A?h (type CR123A). Backup power supply - lithium battery with nominal operating voltage of 3.0 V and capacity of 0.24 A?h (type CR2032). The batteries are supplied already installed in the Arfa-PRO. To switch on the Arfa-PRO, the insulating tape must be removed.
The average service life is at least 8 years. Degree of protection provided by the housing (according to GOST 14254-2015) - IP30. Overall dimensions - Ø80x36 mm. Weight - not more than 0,15 kg.
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