Overview

Echoflex’s CO2 Sensor (RCT-1H-UW) is a wireless, self-powered indoor sensor that provides accurate monitoring of CO2, temperature, and relative humidity. It is designed for commercial facilities and works with common BMS systems so they can run HVAC systems more efficiently.

The RCT-1H-UW is easily calibrated in ambient air and has an integrated self-calibration feature. It also has a built-in absolute pressure sensor that corrects the CO2 reading for altitude. The current CO2 level can be displayed at the sensor via LED indication.

Like all Echoflex gear, the RCT-1H-UW CO2 sensor features excellent transmission range, advanced diagnostics, and efficient solar power utilization. The sensor is designed to hold a full charge and operate even after days in total darkness.

Product Features

• Temperature accuracy of 0.5F/0.3C
• Relative humidity accuracy of 3%
• Operates in low light

Specifications

Carbon Dioxide Sensing

• Measurement range: 0–2,000 ppm
• Technology: Ultra low power, LED-based NDIR
• Accuracy: ± 50 ppm with resolution of 10 ppm
• Altitude/pressure compensation: Built-in correction
• Self-calibration: Automatic background calibration (ABC)

Temperature Sensing

• Sensing range: 0°C to 51°C (32°F to 124°F)
• Accuracy: ± 0.5°C (± 0.3°C)
• Resolution: 0.2°C (0.36°F)

Relative Humidity

• Sensing range: 0%–100% RH range
• Accuracy
  
  • ±3% RH at 10%–90%
  • ±7% at 0%–10% and 90%–100%
• Resolution: 0.5%

Power Supply

• Operational light level: 5 foot candles (50 lux)
• Minimum charge for operation: 10 minutes at 18.5 foot candles (200 lux)
• Charging light level: 18.5 foot candles (200 lux)
• Maintain charge time: 18.5 foot candles (200 lux) for 6 hours
• Maximum charge time: 16 hours at 18.5 foot candles (200 lux)
• Operating life at full charge: 75 hours at 0 lux
• Battery: CR2032 coin cell

I/O Information

• Inputs: Link button, Test button
• Outputs: LEDs - red, green and blue

Communications

• Radio frequency: 902 MHz(U) or 868 MHz(Y)
• Antenna Integrated: whip
• Transmission range: 24 m (80 ft) - commercial office spaces (typical), up to 100 m (330 ft) line of sight

Mechanical

• Operating temperature: -25°C to 50°C (-13°F to 122°F)
• Weight: 115 g (4 oz)
• Dimensions: 135x72x24 mm (5.3x2.8x0.9 in)
• Mounting: Screws or double-sided tape (not included)

Regulatory and Compliance

• 902 MHz model
  
  • FCC Part 15.231
  • Remote Control Transmitter
  • IC RSS-210
  • RoHs compliant
• 868 MHz model
  
  • CE Mark
  • RoHs compliant