Magnetic Probe Attaches to Steel Structures for Monitoring Climatic Conditions Measures and records climatic conditions including relative humidity, air temperature, surface temperature, dew point temperature, the difference between surface and dew point temperatures, and wet bulb temperature. Fast response, precision sensors provide accurate, repeatable readings Environmentally sealed enclosure – weatherproof, dustproof, and shockproof-meets or exceeds IP65 Internal memory storage of 10,000 datasets (60,000 readings) Conforms to ISO 8502-4, BS 7079-B4, ASTM D3276, IMO PSPC, SSPC-PA7 and US Navy NSI 009-32   Here are some features of DeFelsko Dew Point Meter Logger PosiTector DPM L: Attaches to steel structures to measure and record environmental parameters independently for up to 200 days. Stored datasets can be downloaded using a PosiTector Advanced gage body or Apple/Android smart device. Records parameters at user-selected intervals from 1 min. to 8 hrs. Environmentally sealed enclosure – weatherproof, dustproof, and shockproof-meets or exceeds IP65 Fast response precision sensors provide accurate, repeatable readings Internal memory storage of 10,000 datasets (60,000 readings) Kensington Security Slot for anti-theft protection. Kensington Lock is sold separately. Uses common lithium coin cell batteries (CR2032) Every stored dataset is date and time stamped Certificate of Calibration showing traceability to NIST included Conforms to national and international standards including ISO and ASTM Two-year warranty