Overall Specifications

Weight

0.96 lbs (0.44 kg)

Power Requirements

< 0.2 amp at 12V, 2.4 watt

Dimensions

6.3" L x 3.1" W x 2.2" H (16 cm x 8 cm x 5.7 cm)

Sensor Specifications (per manufacturer)

Carbon Dioxide (CO₂)

Sensor: Telaire T6713 (NDIR)

Measurement Range: 0-5000 ppm

Accuracy: 400-5000 ppm: ± 30 ppm, ± 3% of reading

Response Time: < 3 min for 90% step change

 Particulate Matter (PM₁, PM_2.5)

Sensor: Plantower PMS7003 (Laser Scattering)

Particle Size Range: 0.3-10 μm

Mass Concentration Range: 0-999 μg/m³

Count Accuracy: 50% @ 0.3 μm, 98% @ ≥ 0.5μm
Response Time: < 10 s

 Carbon Monoxide (CO)

Sensor: Alphasense CO-A4 (Electrochemical)

Measurement Range: 0-500 ppm

Precision: contact 2B Tech for information

Response Time: < 30 s for a 10-ppm step change

Total VOCs

Sensor: ION Science Mini-PID2 HS (Photoionization)

Measurement Range: 0 to 3 ppm

Minimum Detection Limit: 0.5 ppb

Response Time: < 12 s

Sensitivity: > 600 mV per ppm

Nitrogen Dioxide (NO₂)

Sensor: Alphasense NO2-A43F (Electrochemical)

Measurement Range: up to 20 ppm

Noise (±2 SD): ±15 ppb equivalent

Response Time: < 80 s from 0 to 2 ppm NO₂

 Sulfur Dioxide (SO₂)

Sensor: Alphasense SO2-A4 (Electrochemical)

Range: up to 50 ppm

Noise (±2 SD): ±15 ppb equivalent

Response Time: < 20 s from 0 to 2 ppm SO₂

 Pressure

Sensor: Bosch BME680

Measurement Range: 300 to 1100 hPa

Accuracy: ±1.0 hPa

Resolution: 0.18 Pa

Long-Term Stability: ±1.0 hPa per year

PAM Instrument Temperature and Relative Humidity

Sensor: Honeywell HIH8120 (Platinum RTD / Capacitive)

Measurement Range: 0-65 °C / 0 to 100 %RH

Accuracy: ± 0.5 °C from 5 °C to 50 °C / ± 2 %RH

Response Time (RH): 8 s