Merlin RSIAQ Indoor Air Quality Monitor

SKU: RSIAQ Category:

Description

Monitor and measure carbon dioxide (CO2), temperature, dust (PM), volatile compounds (VOCs) and relative humidity. Designed for all areas being directly connected to mains or low 24v AC or DC voltage supply, e.g., residential, public, commercial, and light industrial environments, which support a Digital RS-485: Modbus RTU or BACnet MS/TP communication protocols.

The Merlin RSIQ Indoor Air Quality Monitor tracks multiple air-quality and environmental parameters, measuring CO₂, temperature, relative humidity, particulate matter (PM1, PM2.5, PM10), and volatile organic compounds (VOCs) giving you a complete snapshot of indoor air conditions.

  • Multi-Parameter Monitoring: Capable of continuously monitoring CO2 levels, temperature (°C), relative humidity (rH%), Particulate Matter (Dust), and Volatile Organic Compounds (VOCs), offering a holistic view of indoor air quality.
  • Flexible Power Options: Designed for seamless integration with low voltage supply, supporting 24V AC/DC or 110-240VAC power inputs, ensuring compatibility with various electrical systems.
  • Reliable Communication: Equipped with Digital RS-485 communication utilizing Modbus RTU or BACnet MS/TP protocols, facilitating efficient data transfer and integration with Building Management Systems (BMS) and other third-party devices.
  • Premium Build Quality: Featuring long-life sensors with excellent stability and strong anti-interference capabilities, ensuring reliable performance in diverse environmental conditions.
  • Compliance and Warranty: Compliant with BS 50543, Harmonised BS 61010-1 & BS 50270 standards, as well as WELL Performance Standards and CIBSE Part F regulations. Backed by a standard three-year manufacturer’s warranty, providing peace of mind and assurance of quality.
  • Physical Attributes: Compact and easy to mount, with wall-mounted entry and rear entry options, encased in a durable ABS UL Flame retardant enclosure (IP40 rated).
  • Environmental Conditions: Operating temperature range of 0 to 50°C, suitable for various indoor environments, with a room humidity range of 0 to 95% RH (continuous) non-condensing.
  • User Interface: Optional 2.8” TFT display for easy monitoring and indication of air quality status, with LED indicators for quick visual alerts on air quality levels.
  • Sensor Capabilities: Offers precise monitoring of CO2 (PPM), Particulate Matter (PM1.0, PM2.5, PM10 in ug/m3), Volatile Organic Compounds (VOC in PPB), Temperature (°C), and Humidity (% RH), ensuring comprehensive indoor air quality assessment.
SPECIFICATION
MECHANICAL ELECTRICAL
Mounting Wall Mounted Power Rating 12-24VDC (11-32VDC) / 24VAC (20-27 VAC) / 110-240VAC 50-60Hz
Entry 1” (25.4mm DIA) Rear Entry Inrush Current <120mA @ 24VDC
Size (W x H x D) 86 x 114 x 35mm Communication 127 units max
Weight (Max) 0.2kg Power Consumption <2W @ 24VDC
Enclosure ABS UL Flame Retardant – IP40 Supply Voltage 24V AC/DC or 110–240VAC
ENVIRONMENTAL I/Os & CABLING
Operating Temperature 0 to 50°C Digital Networks RS-485 – BACnet MS/TP / MODBUS RTU
Storage 10–30°C Power Cable 1.0–2.5mm² max
Room Humidity 0–95% RH (continuous), non-condensing Digital Output 1.0–2.5mm² twisted pair + ground, shielded, 120Ω impedance
Atmospheric Pressure 80–110Pa Altitude <2000m
USER INTERFACE CONFORMANCE
Language English Safety BS 61010-1
Optional Display 2.8” TFT Electromagnetic Compatibility BS 50270
Optional LED/TFT Indication Green: Power (GOOD AIR QUALITY)
Yellow: Warning (FAIR AIR QUALITY)
Red: Warning (POOR AIR QUALITY)
Other WELL Performance Standards, CIBSE Part F, BS 50543
SENSORS
Carbon Dioxide CO2 (PPM) Particulate Matter PM1.0, PM2.5 & PM10 (µg/m³)
Volatile Organic Compounds VOC (PPB) Temperature °C
Humidity % RH

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