ThermElc TE-B2 ET 10PCS Bluetooth Temperature Data Logger with External Probe, Tank Thermometer Aquarium Auto PDF CSV Report, Compare Multi-Devices Data, Monitor Cold & Frozen Storage Warehouse:UK Warehouse This reliable freon detector is

This reliable freon detector is equipped with multiple audio beeps and visual screen alerts that increase in frequency as you get closer to the source

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and it performs a short auto-calibration warm-up to ensure stable PPM and %LEL readings—reducing false alarms and giving you confidence in every test

±3% (10% to 90%)

ThermElc TE-B2 ET 10PCS Bluetooth Temperature Data Logger with External Probe, Tank Thermometer Aquarium Auto PDF CSV Report, Compare Multi-Devices Data, Monitor Cold & Frozen Storage Warehouse:UK Warehouse This reliable freon detector isMulti Device Data ComparisonOur temperature recorder comes with free smart APP, allowing you to compare data charts across multiple devices. With this feature, you can easily monitor and analyse temperature data across different locations and times, making informed decisions for your needs. Visual LED Indicates, APP Sounds and Message Alarm When the temperature exceeds set threshold, the LED light of our temperature data logger flashes and APP sounds