



The LogTag® UTREL30-WiFi is a temperature logger that automatically uploads real-time data to your LogTag® Online account via your existing Wi-Fi network. It stores up to 32,000 temperature values, including statistical data on the highest, lowest, and alert times for the past 30 days. With its large, easy-to-read display and familiar LogTag® features, the UTREL30-WiFi provides an effective temperature monitoring solution. A non-Wi-Fi version is also available.
| Product Model | UTREL30-WiFi. |
| 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). |
| Storage Temperature Range | -10 °C to +40 °C (32 °F to +104 °F). |
| Rated Temperature Resolution | Better than 0.1°C (0.2°F) for -30°C to +60°C (-22°F to +140°F). Better than 0.2°C (0.4°F) for -40°C to -30°C (-40°F to -22°F). Better than 0.5°C (0.9°F) for +60°C to +99°C (+140°F to +210°F). |
| 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 ST100 precision thermistor external probes can be interchangeably connected to the UTREL30-WiFi. Please refer to the page for External Probes on the LogTag North America website. |
| 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. |
| 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 (32,130 readings) in less than 10 seconds. |
| Environmental | IP61 (when vertically mounted or hung). |
| 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 alkaline batteries, CR2032 3V LiMnO2 (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 | 802.11 b/g/n |
| WiFi Authentication Methods | Open, WPA2/PSK (with or without PMF), EAP-PEAP, EAP-TTLS |
| Bluetooth® | Bluetooth® V4.2 BR/EDR and Bluetooth LE®. |
| Size | 141mm(H) x 72mm(W) x 18mm(T). |
| Weight | 158g with AAA batteries, (134g – excluding probe and AAA batteries). |
| Case Material | Polycarbonate. |