Indoor Air Quality Data Loggers and Monitors

• LCD Display Shows Current Carbon Dioxide, Temperature and Humidity Readings
• AC-Powered with Triple LCD Display and Programmable Visual and Audible Alarms
• Carbon Dioxide Measurement Range of 0 to 2000 ppm with ±50 ppm ±5% of Reading Accuracy
• Display Features Min/Max, Average Recall, Time Weighted Average (TWA) and Short Term Exposure Limit (STEL)
• Alarm Relay Output for Ventilation Control
• RS232 Serial Port for Connection to PC for Online Logging and Data Analysis

Includes AC Adapter and User Manual

• LCD Display Shows Current Carbon Dioxide, Temperature and Humidity Readings
• Readings Updated Every 1 Second
• Battery-Powered with Triple LCD Display and Programmable Visual and Audible Alarms
• Carbon Dioxide Measurement Range of 0 to 2000 ppm with ±75 ppm ±5% of Reading Accuracy
• Display Features Min/Max, Average Recall, Time Weighted Average (TWA) and Short Term Exposure Limit (STEL)
• Alarm Relay Output for Ventilation Control
• RS232 Serial Port for Connection to PC for Online Logging and Data Analysis

Includes All Sensors, (4) Alkaline Batteries, User Manual and Hard Carrying Case

• Simultaneously Measure and Record Carbon Dioxide, Humidity and Temperature Readings
• Measurement Range of 0 to 9,999ppm (CO₂); 0% to 99% RH (Humidity) and -25°C to 70°C (Temp)
• Stores 8,000 Data Samples Between Wireless Transmissions to Base Collector or Repeater
• 150 Meters Line of Sight Transmission Range Between Devices (Logger to Base Collector or Repeaters)
• Automatic Transmission of Data (Current or Logged) at Set Interval to Base Collector or Repeater

Includes Logger, (4) AA Alkaline Battery, External Temp/RH Sensor, AC Adapter, USB Cable and User Manual

A Complete System Requires a Base Station or Collector (RTR500BC, RTR500BM or RTR500BW) and a RTR500B Series Wireless Data Logger

• Simultaneously Measure and Record Carbon Dioxide, Humidity and Temperature Readings
• Measurement Range of 0 to 9,999ppm (CO₂); 10% to 95% RH (Humidity) and 0°C to 55°C (Temp)
• Stores 8,000 Data Samples Between Wireless Transmissions to Base Collector or Repeater
• 150 Meters Line of Sight Transmission Range Between Devices (Logger to Base Collector or Repeaters)
• Automatic Transmission of Data (Current or Logged) at Set Interval to Base Collector or Repeater

Includes Logger, (4) AA Alkaline Battery, External Temp/RH Sensor, AC Adapter, USB Cable and User Manual

A Complete System Requires a Base Collector (RTR500BC, RTR500BW, RTR500BM) and a RTR500 Series Wireless Data Logger

• Measures and Records Carbon Dioxide (CO₂), Temperature and Humidity in Indoor Environments
• 0 to 5,000 ppm (CO₂), 0°C to 45°C (Temp) and 10 to 90% RH (Humidity) Measurement Ranges
• Programmable Alarms and Contact Closure Output
• Large LCD Display will Cycle Through all Three Measurements
• Perfect for Air Quality Monitoring and IAQ Auditing

Includes Sensors, Software, (4) AA Alkaline Batteries, USB Cable and AC Adapter

• Measures and Records Carbon Dioxide (CO₂), Temperature and Humidity in Indoor Environments
• 0 to 5,000 ppm (CO₂), -25°C to 70°C (Temp) and 0 to 99% RH (Humidity) Measurement Ranges
• Programmable Alarms and Contact Closure Output
• Large LCD Display will Cycle Through all Three Measurements
• Perfect for Air Quality Monitoring and IAQ Auditing

Includes Sensors, Software, (4) AA Alkaline Batteries, USB Cable and AC Adapter

• Integrated Sensors for Carbon Dioxide, Humidity and Temperature Measurements in an Indoor Environment
• 0 to 5000ppm, -20°C to 70°C and 1% to 70% RH Measurement Ranges with a ±50ppm, ±0.21°C and 2% RH Accuracy
• (4) User-Replaceable AA Alkaline Batteries with 6 Month Life (5 Minute Sampling Rate)
• Stores up to 84,650 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth or Li-Cor Cloud with MX Data Plan (Sold Separately)

Includes Command Strip, Double-Sided Tape, Hook & Loop Strap and (4) AA Alkaline Batteries. HOBOconnect App Available on the Apple Store and Google Play

• Measures and Records Particulate Matter, VOCs, Pressure, Humidity and Temperature in a 5 Level Range from Excellent to Inadequate
• AC-Powered with Battery Backup
• Status Ring Shows IAQ Level and Visual Alarm When Levels are Low
• SMS and Email Notifications Available with EasyLog Cloud
• Upload Recorded Readings to EasyLog Cloud and View Data from Any Device