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Features: Checks for Carbon Dioxide (CO2) concentrationsCalculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)Maintenance free NDIR (non-dispersive infrared) CO2 sensorMeasurement ranges: - CO2: 0 to 5,000ppm
- Temperature: -14 to 140°F (-10 to 60°C)
- Humidity: 0.0 to 99.9%
User programmable audible alarmBacklit triple LCD displayBuilt-in RS-232 interface for capturing readings on PCData acquisition software and cable included to record and document CO2, Humidity and Temperature dataOptional 33% and 75% RH calibration bottlesComplete with software and cable, 4 AA batteries, and carrying case
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