Product overview Wireless IoT temperature and humidity logger Wireless LTE-M/NB-IoT communication Temperature range: -35 °C to +70 °C Battery life up to 14 months Stores 31,000 measured values ECOLOG-PRO 1THGi The ECOLOG-PRO 1THGi from Elpro is a cellular logger with combined temperature/humidity probe. Equipped with two internal sensors, this data logger reliably monitors temperature values from -35 °C to +70 °C as well as relative humidity from 0% to 100%. It is ideal for monitoring valuble goods stored in refrigerators and freezers and ambient conditions. Thanks to its wireless NB-IoT/LTE-M connection and elproCLOUD integration, the device guarantees continuous monitoring and real-time alerts if alarm limits are breached. Product Details ECOLOG-PRO 1THGi from Elpro Wireless IoT data logger for temperature and humidity Global roaming via LTE-M and NB-IoT Up to 14 months battery life Automatic threshold notifications Robust housing with IP52 protection class Easy setup with plug-and-play Compatible with elproCLOUD Flexible placement thanks to wireless operation Durable and easily replaceable batteries 7 temperature limits, alarm delay Monitoring of refrigerators, freezers and rooms Certified to CE, FCC, RoHS Calibration certificate with ISO 17025 traceability Ideal for pharmaceuticals, laboratories, food Multifunction LCD Manufacturer's warranty: 24 months 1 data logger Technical Data Temperature range: -35 °C to +70 °C Humidity range: 0% to 100% (non-condensing) Measurement accuracy: 0.1 °C Measurement interval: adjustable from 15 to 60 minutes Storage capacity: 31,000 measurements Battery type: 2 × AA alkaline (for refrigerators) or 2 × AA life (for freezers) Compact dimensions: 100 x 65 x 19 mm Lightweight: 125 g