SAUERMANN SI-TT3 DIGITAL DIFFERENTIAL THERMOMETER DOUBLE INPUT THERMOCOUPLE

The Sauermann SI-TT3 is a portable digital thermometer with dual inputs for type K thermocouples, ideal for HVAC-R and industrial applications. It is designed to accurately measure temperatures at two points simultaneously, useful for detecting temperature differences, T1/T2 comparisons, or system monitoring.

Wireless Bluetooth communication allows connection to the free Si-HVACR app to view real-time data, generate graphs, archive measurements, and create professional reports (PDF, CSV, or XML).

Main Features:

* Measuring range: –200 to +1300°C / –328 to 2372°F
* Accuracy:

* 0 to 1300°C: ±0.4°C
* –200 to 0°C: ±(0.3% of reading + 0.4°C)
* Resolution: 0.1°C / 0.1°F
* Measuring element: 2 type K thermocouple probes, class 2
* Probe range included: –40 to +260°C
* Probe cable length: 1 meter
* Display: 2-line backlit LCD
* Power supply: 3 x 1.5V AAA batteries (included)
* Battery life: up to 400 hours (without backlighting and Bluetooth)
* Auto power off: after 10 minutes (can be disabled)
* Communication: Bluetooth BLE 4.0, range up to 15 m
* Housing: ABS-PC and TPE, IP54 protection
* Dimensions: 136 × 70 × 33 mm
* Weight: 210 g (with batteries), 224 g with probes
* Operating conditions: –10 to +60 °C
* Storage temperature: –20 to +70 °C
* Compatible with: Android = 5.0, iOS = 12.4

Package contents:

* SI-TT3 thermometer
* 2 type K class 2 probes (compensated mini connector)
* 3 AAA batteries
* Carrying bag
* Quick start guide
* Certificate of conformity

Functions via the Si-HVACR app:

* T1, T2, and Delta T display
* Graphs and data logging
* Report creation (PDF, CSV, XML)
* Ability to attach photos to each measurement