SR250M

Weatherproof wireless siren with strobe and power options. Designed for long-lasting, visible alerts with multiple lens colors.

Sound Devices

SR250M

M Outdoor Siren

Features

  • 100 dBA wireless siren with integrated strobe light
  • Weather-resistant
  • Lens color options – Red, Blue, Clear, Amber
  • External power supply connector
  • Temperature sensor
  • Powered 12V
  • Up to 5 years of battery life (due to the risk of leakage from alkaline batteries)
  • Certifications: CE, EN 50131-4, EN 50131-6, EN 50131-5-3, FCC 15.247, Grade 2, Class IV

Technical Specifications

Power Supply Input 8-16 Vac / 9-20 Vdc
Current Consumption Sleep: 22 uA, Standby: 130 uA, Alarm: 550 mA
Wireless Type GFSK two-way with frequency and encryption hopping
RF Frequency 868 (865.05 – 867.95) MHz or 914 (902.25 – 927.55) MHz, May vary by region
RF Power 868 MHz up to +14 dBm radiated, 914 MHz up to +22 dBm in permitted countries
Status Indicators Battery, temperature, TX/RX values
Battery 3 x D alkaline, up to 5 years of battery life (due to the risk of leakage from alkaline batteries)
Siren 100 dBA or more (1 meter), Piezo siren
Transmission Time Less than 20ms
Supervision Time 20 minutes, 10 minutes (Default), and 3 minutes
Firmware Upgrade Remotely over the air, via BlueEye
Operating Temperature -20°C to 50°C (-4°F to 122°F)
Installation Environment Outdoor
Auto Learn Yes
Colors White
Dimensions 6W x 24H x 18D cm (2.3″ W x 9.5″ H x 7″ D)
Weight 1.21 Kg

CERTIFICATIONS

SR250M

CE

EN 50131

Grade: Grade 2

EN 50130-5

Class: Class IV

EN 17065

FCC

IC