215 Air-cooled Outdoor All in One

The CS215-L is a compact, industrial-grade air temperature and relative humidity probe manufactured by Campbell Scientific, designed for long-term environmental meteorological monitoring, agricultural research, and industrial climate measurement applications. It adopts the Swiss Sensirion SHT75 digital CMOSens sensing chip as the core measuring element, delivering stable, traceable dual measurements of ambient air temperature and relative humidity. The probe outputs standard SDI-12 digital signals, fully compatible with Campbell Scientific data loggers and most third-party SDI-12 acquisition equipment. Its anodized aluminum housing with dual-layer hydrophobic filter achieves IP65 ingress protection, suitable for outdoor field deployment; paired with a radiation shield (Model 41303-5A) to eliminate solar heating interference for accurate atmospheric readings. A key design advantage is its field-replaceable sensor chip, enabling on-site recalibration without returning the entire probe to the factory for maintenance.

Simultaneously measure temperature & relative humidity with high precision

SDI-12 digital output, compatible with most data loggers

Low power consumption, wide operating voltage range

Replaceable sensor tip for easy on-site maintenance

Dual-layer hydrophobic filter, IP65 aluminum housing for outdoor use

Fast response, long-term stable measurement performance

EMC compliant, suitable for meteorology, agriculture and industrial monitoring

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