Check the listing for details. TandD TR45 Bluetooth Thermocouple and Pt Data Logger. Condition: New. Listed at 139.00 USD. TandD TR45 Bluetooth Thermocouple and Pt Data Logger External Thermocouple or Pt100/1000 Sensor Input with M3.5 Screw Terminal Connectors for Temperature Measurements in an Indoor Environment Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications Replaceable Lithium Battery with 1 Year Typical Life (10 Minute Sampling Rate) Stores up to 16,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available Compatible with the Free TandD WebStorage Cloud Service for Viewing your Recorded Readings Anywhere, Anytime ThermoREC and ThermoStorage Apps Available from Apple Store and Google Play for Setup and Reporting New! TR4 Report App for Viewing, Annotating, Saving and Emailing Reports. Available for iOS. Includes Lithium Battery, Strap and Cable ClampTandD TR45 Bluetooth Thermocouple and Pt100 Data Logger with External Sensor Specifications Temperature Thermocouple Sensor Type: J, K, T, S and R Pt100, Pt1000 Sensor Type: 3-Wire and 4-Wire Connection Terminal: M3.5 Thermocouple Sensors Type K Measurement Range: -199°C to 1370°C (-326°F to 2498°F) Type J Measurement Range: -199°C to 1200°C (-326°F to 2192°F) Type T Measurement Range: -199°C to 400°C (-326°F to 752°F) Type S Measurement Range: -50°C to 1760°C (-58°F to 3200°F) Type R Measurement Range: -50°C to 1760°C (-58°F to 2498°F) Type K Accuracy: ±(0.3°C + 0.3% or Reading) Type J Accuracy: ±(0.3°C + 0.3% or Reading) Type T Accuracy: ±(0.3°C + 0.3% or Reading) Type S Accuracy: ±(1.0°C + 0.3% or Reading) Type R Accuracy: ±(1.0°C + 0.3% or Reading) Pt100, Pt1000 Sensor Probes Measurement Range: -199°C to 600°C (-326°F to 1112°F) Accuracy: ±(0.3°C + 0.3% of Reading) at 10°C to 40°C; ±(0.5°C + 0.3% of Reading) at -40°C to 10°C Data Storage Capacity 16,000 Temperature Readings (When Bluetooth Communications Not Available) Memory Mode Overwrite when Full or Stop When Full LCD Display Measurements, Recording Status, Battery Life Warning, etc. Sampling Rate 1 Second to 60 Minutes (User-Specified) Power Source 1/2 AA 3.6 Volt Lithium Battery (User-Replaceable) Battery Life Up to 1 Year @ 10 Seconds Sampling Interval Communications Type: Bluetooth Wireless Wireless Data Standard: Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) Software ThermoREC (Android 4.4+, iOS 9.0+), ThermoStorage, TR4 Report (iOS 9.0+) Note: Bluetooth 4.0 is Required on your Mobile Device (Phone or Tablet) OS Compatibility Android Phones and Tablets iPhone, iPad, iPod Touch with iOS 7.1 or Later Bluetooth 4.0 or Later Devices Smartphone, Tablet Operating Environment Temperature: -40°C to 80°C (-40°F to 176°F) Humidity: 0 to 90% RH (No Condensation) NOTE: -25°C to 80°C During Wireless Communication Standards Compliance CE Environment Primarily Designed for Indoor Usage Weight 50 grams (1.63 oz.) Dimensions 6.2 cm x 4.7 cm x 2.65 cm