Ajax 52253.137.BL1 Wireless Heat, Smoke and CO Detector, Replaceable Batteries, Black
About this product
The Ajax FireProtect 2 RB (Heat/Smoke/CO) Jeweller is a wireless combined heat, smoke and CO detector with replaceable batteries, for Ajax security systems. It raises an alarm on smoke, dangerous heat or carbon monoxide, sounds its in-built 85 dB siren and reports to the hub over Jeweller at up to 1,700 m in an open space.
Key features
- Smoke sensor, heat sensor and CO (carbon monoxide) sensor in one wireless detector
- Double-spectrum optical smoke sensor that does not react to water vapour
- High temperature alarm at temperatures above 64°C, and a spike alarm when the temperature rises more than 10°C in 1 minute or less
- Chemical CO sensor with a sensor life of 10 years
- In-built siren: volume 85 dB at a distance of 3 metres
- Jeweller radio communication range of up to 1,700 m in an open space
- Powered by 2 × CR123A batteries (pre-installed), with up to 7 years of battery life
- Tampering alarm on attempts to detach the detector or remove the mounting panel
Frequently asked questions
What does the FireProtect 2 RB (Heat/Smoke/CO) Jeweller detect?
It has a smoke sensor, a heat sensor and a CO (carbon monoxide) sensor. The heat alarm triggers at temperatures above 64°C or when the temperature rises more than 10°C in 1 minute or less.
What batteries does it use and how long do they last?
It runs on 2 × CR123A batteries, which come pre-installed, with up to 7 years of battery life.
How far can the detector be from the Ajax hub?
Up to 1,700 m between the detector and a hub (or radio signal range extender) in an open space, using Jeweller communication.
Can it be installed outdoors?
No. The device is designed only for indoor installation, has an IP20 protection class and an operating temperature range of 0°C to +50°C.
How loud is the built-in siren?
The in-built siren has a volume of 85 dB at a distance of 3 metres.
When does the detector need replacing?
The sensor life is 10 years; after 10 years of operation the detector must be replaced with a new one.
Specifications
Specifications
| Brand | Ajax |
|---|---|
| Model | 52253.137.BL1 |
| Manufacturer Part Number (MPN) | 52253.137.BL1 |
| Sensitive elements | smoke sensor, heat sensor, CO (carbon monoxide) sensor |
| Smoke detection sensitive element | double-spectrum optical sensor |
| Heat detection | Class A1R heat detector requirements (EN 54-5 and BS 5446-2) |
| High temperature alarm | at temperatures above 64°C |
| Temperature spike alarm | when the temperature rises more than 10°C in 1 minute or less |
| CO detection sensitive element | chemical CO sensor |
| Sensor life | 10 years |
| In-built siren | volume 85 dB at a distance of 3 meters |
| Communication technology | Jeweller |
| Radio communication range | up to 1,700 m (in an open space) |
| Radio signal modulation | GFSK |
| Maximum effective radiated power (ERP) | up to 20 mW |
| Detection of communication failure | within 15 minutes |
| Power supply | 2 × CR123A battery |
| Battery life | Up to 7 years |
| Dimensions | 124 × 124 × 45 mm |
| Weight | 274.5 g |
| Operating temperature range | from 0°C to +50°C |
| Operating humidity | up to 80% |
| Protection class | IP20 |
| Colour | Black |
| Complete set | FireProtect 2 RB (Heat/Smoke/CO) Jeweller, SmartBracket mounting panel, Installation kit, 2 × CR123A battery (pre-installed), Quick Start Guide |
Ajax 52253.137.BL1 Wireless Heat, Smoke and CO Detector, Replaceable Batteries, Black
