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              | Product Model | UTREL30-WiFi | 
            
              | Sensor Measurement Range | -90°C to +40°C (-130°F to +104°F) | 
            
              | Operating Temperature Range | -30°C to +60°C (-22°F to +140°F) | 
            
              | Storage Temperature Range | 0°C to +40°C (32°F to +104°F). | 
            
              | Rated Temperature Reading Resolution | 0.1°C (0.2°F) for measurements -80°C to 10°C (-112°F to 50°F) 0.2°C (0.4°F) for measurements 10°C to 20°C (50°F to 68°F) and -90°C to -80°C (-130°F to -112°F)
 0.3°C (0.5°F) for measurements 20°C to 30°C (68°F to 86°F)
 0.5°C (0.9°F) for measurements 30°C to 40°C (86°F to 104°F)
 LogTag Analyzer® currently displays to one decimal place of °C or °F. The native resolution is what is stored in the LogTag®
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              | Rated Temperature Reading Accuracy | Better than ±0.5°C for -20°C to +10°C (-4°F to 50°F) Better than ±0.7°C for -50°C to -20°C (-58°F to -4°F) and +10°C to +30°C (50°F to 86°F)
 Better than ±1°C for -80°C to -50°C (-112°F to -58°F ) and +30°C to +40°C (86°F to 104°F)
 Better than ±1.8°C for -90°C to -80°C (-130°F to -112°F)
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              | Recording Capacity | 16,129 temperature readings. 67 days at 6 minute logging.
 Day summary statistics memory (for display on LCD): up to 30 days of Min/Max/duration and alarm trigger statistics. | 
            
              | Sensor Reaction Time | Typically less than 2 minutes(T90) in moving air (1m/s) for ST10S typ | 
            
              | Sampling Interval | Configurable from 30 seconds to 18 hours | 
            
              | Logging Start Options | Push button start (with configurable start delay from 1 minute to 72 hours) or specific date & time | 
            
              | Download Time | Typically with full memory (16,129 readings) in less than 10 seconds. | 
            
              | Environmental | IP51 (when vertically mounted or hung with USB dust-cap in place). | 
            
              | Calibration | Factory calibrated using NIST equivalent reference equipment. Calibration certificate available on request | 
            
              | Power Source | 5V via micro USB socket or, 2 x 1.5V AAA batteries. CR2032 LiMnO2 coin cell (backup logging function only | 
            
              | Battery Life | Device should normally be powered via USB. AAA batteries provide backup power for up to 2 months. | 
            
              | Connection Interface | USB 2.0 / Micro-USB plug. | 
            
              | WiFi | IEEE 802.11 / WPA/WPA2 security | 
            
              | Size | 141mm(H) x 72mm(W) x 18mm(T). | 
            
              | Weight | 158g with AAA batteries, (134g - excluding probe and AAA batteries) | 
            
              | Case Material | Polycarbonate |