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Bacharach’s 1540-2009 IEQ CHEK Indoor Environment Quality Monitor with CO2 0-20% and O2 sensors offers all the features of their 1540-0009 IEQ Chek Indoor Environmental Quality Monitor, but comes with an additional O2 sensor.
No need for an O2 sensor? Click here to see Bacharach’s 1540-0009 IEQ Chek with a CO2 sensor.
Measurements: Temperature Relative humidity CO2 (optional) Combustibles (optional) VOCs (optional) CO (optional) O2 (optional) NH3 (optional) NO (optional) NO2 (optional) HCHO (optional) SO2 (optional) H2S (optional) |
23 to 131 °F (-5 to 55 °C) 0 to 99.9% (non-condensing) 0 to 5000 ppm; 0 to 10,000 ppm; 0 to 5%; 0 to 20%; 0 to 100% 0 to 5% volume CH4 0 to 50 ppm; 0 to 300 ppm 0 to 50 ppm 0 to 25% 0 to 50 ppm 0 to 100 ppm 0 to 5 ppm 0 to 10 ppm 0 to 20 ppm 0 to 50 ppm |
Display | LCD with backlight, shows all readings simultaneously |
Power | 3x AA batteries or via included wall adapter |
Run Time | 12 to 14 hours, depending on sensors installed and battery type |
Sampling Method | Diffusion or aspirated (pump) |
Memory | > 1 million records (with optional SD card) |
Size (H x W x D) | 7.8 x 3.1 x 3.9 in. (19.8 x 7.9 x 9.9 cm) |
Weight | 20 oz. (567 g) |
Operating Conditions | 41 to 122 °F (5 to 50 °C), 0 to 99% RH (non-condensing), 1 ATM ± 10% |
Warm-up Time | 30 seconds |
Approvals | CE mark |
Warranty | Instrument: 2 years Sensors: 1 year |