Colorlight SSR-SMOG RS485 Smoke Sensor with Alarm
$ 67.62
Colorlight SSR-SMOG ceiling-mounted smoke sensor with RS485 MODBUS RTU communication and a sound-and-light alarm. The listing specifies a 0–2,000 ppm range, a standard 5 m wire and a replaceable probe.
2500 in stock
Colorlight SSR-SMOG smoke transducer
The Colorlight SSR-SMOG is a ceiling-mounted smoke sensor with RS485 communication and a built-in sound-and-light alarm. It uses MODBUS RTU for data queries and settings through a compatible serial communication system. The original listing describes qualitative smoke monitoring and a replaceable probe.
SSR-SMOG listed specifications
| Parameter | Specification |
|---|---|
| Measuring range | 0–2,000 ppm |
| MPE | ±7% |
| Retest value (listing terminology) | ±5% |
| Temperature characteristic | ±0.5%/°C |
| Communication interface | RS485 |
| Protocol | MODBUS RTU |
| Baud rate | 9,600 |
| Alarm | Sound and light |
| Mounting | Ceiling |
| Standard wire length | 5 m |
| Weight | 150 g |
| Listed power supply | AC 100–240 V, 50/60 Hz |
| Listed power adapter | DC 12 V, 2 A |
| Power consumption | 2 W |
| Operating temperature | −40°C to +85°C |
| Storage temperature | −40°C to +85°C |
Integration and documentation
Use the matching communication protocol to query sensor data and configure settings. Confirm the register map, wiring, alarm behavior and supplied power arrangement before installation. The listing gives both an AC supply value and a DC adapter value but does not include a wiring diagram; verify the device terminals and adapter labels before connection.
The 2,000 ppm figure is the upper end of the listed measurement range, not a stated accuracy. The original page does not provide a downloadable specification PDF, alarm threshold or alarm sound level, so those details should be confirmed for the supplied unit.
Frequently asked questions
Which communication protocol does the SSR-SMOG use?
It uses RS485 with MODBUS RTU. The existing listing gives a baud rate of 9,600. Use the matching protocol document for register-level queries and settings.
What is the SSR-SMOG measuring range?
The listed range is 0–2,000 ppm. The original description identifies qualitative smoke monitoring; 2,000 ppm should not be interpreted as an accuracy figure.
Does the SSR-SMOG have a local alarm?
The listing describes a built-in sound-and-light alarm. It does not specify an alarm threshold or sound-pressure level, so confirm these details for the supplied device.
How is the SSR-SMOG mounted?
It is described as a ceiling-mounted sensor with a standard 5 m wire. Check the installation instructions and required wiring route before mounting.
What power connection does the SSR-SMOG require?
The listing gives AC 100–240 V at 50/60Hz under power supply and DC 12 V, 2 A under power adapter. Confirm the supplied adapter, wiring diagram and terminal labels before connecting power; the page does not establish a direct mains connection to the sensor.
Product image
| Weight | 0.6 kg |
|---|
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