|  | 
            
              | Product Model | UTREL30-16. | 
            
              | External 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).  0 – 99 % RH (non-condensing) | 
            
              | Storage Temperature Range | 0°C to +40°C (32°F to +104°F) | 
            
              | Rated Temperature Reading Resolution | Better than 0.1°C (0.2°F) for measurements -80°C to 10°C (-112°F to 50°F) Better than 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)
 Better than 0.3°C (0.5°F) for measurements 20°C to 30°C (68°F to 86°F)
 Better than 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®
 | 
            
              | Sensor Reaction Time | Typically less than 2 minutes(T90) in moving air (1m/s) for ST10S type probe. | 
            
              | 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)
 | 
            
              | Probe Connectivity | Up to 2 | 
            
              | Probe Compatibility | All ST10 precision thermistor external probes can be interchangeably connected to the UTREL30-16. Please refer to the Accessories section for compatible External Probes. Different probe models can be used for each channel.
 Not compatible with ST100 sensors.
 | 
            
              | Recording Capacity | 32,000 total log memory. Provides 16,000 temperature readings per channel. Day summary statistics memory (for display on LCD): up to 30 days of Min/Max/duration and alarm trigger statistics.
 | 
            
              | Sampling Interval | Configurable from 30 seconds to 18 hours. (Typically 5 minute logging) | 
            
              | Alarms | Up to 6 individually configurable alarms for each channel. Possible to set alarms separately for Channel 1 and Channel 2.
 | 
            
              | 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 (32,000 readings) in less than 20 seconds. | 
            
              | Environmental | IP61 (when vertically mounted or hung with USB dust-cap in place) | 
            
              | Power Source | 5V via micro USB socket or 2 x 1.5V AAA batteries. CR2032 LiMnO2 coin cell (backup logging function only). | 
            
              | Battery Life | AAA battery up to 12 months - if unit is operated without power supply. | 
            
              | Real Time Clock | Built-in real time clock. Typical accuracy ±25ppm @ 25°C (equivalent to 2.5 seconds/day).
 Rated temperature coefficient is -0.034 ±0.006ppm/°C (I.e typically +/- 0.00294 seconds/day/°C). | 
            
              | Standard Remote Probe Cable Lengths | Standard: 1.5m (4’11”). Extended: 3m (9’10”) (recommended maximum).
 | 
            
              | Remote Probe Cable Type | PTFE (FDA food contact rated) coaxial. | 
            
              | Connection Interface | USB 2.0 / Micro USB Socket | 
            
              | Size | 141mm(H) x 72mm(W) x 18mm(T) | 
            
              | Weight | 156g with AAA batteries, (132g - excluding probe and AAA batteries) | 
            
              | Case Material | Polycarbonate |