[![Si-TT3 dual input thermometer](/sites/default/files/styles/product_image/public/images/tt3.png?itok=XyTDXTzF)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/tt3.png?itok=WMGjHMFp) [![Si-TT3 dual input thermometer](/sites/default/files/styles/thumbnail/public/images/APPLI-TT3-1_0.jpg?itok=ut-hIAwy)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/APPLI-TT3-1_0.jpg?itok=AHos536j) [![Si-TT3 dual input thermometer](/sites/default/files/styles/thumbnail/public/images/Si-TT3-4.jpg?itok=_bH8eAOx)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/Si-TT3-4.jpg?itok=1ZT5BZ5V) The palm-sized Sauermann Si-TT3 dual input thermometer easily measures K thermocouple temperature. [ Technical Data sheet ](https://www.kimo-instruments.com/sites/default/files/files/DS_Si-TT3_15-07-26_EN_3.pdf) [ User manual ](https://www.kimo-instruments.com/sites/default/files/files/UM_Si-TT3_15-07-26_EN_3.pdf) [ Simplified manual ](https://www.kimo-instruments.com/sites/default/files/files/QSG_HVACR-Portable-instruments_01-07-26_8.pdf) Dual channel K Thermocouple, measuring range: -200 to 1300°C/ -328 to 2372°F Backlit LCD screen 2 probes included, measuring range: -40 to 260°C/-40 to 500°F Magnetic backing for easy fixing + Carrying bag Product info #### Measure details - Units °F, °C ![shadow](/themes/custom/kimo/images/divider-big.png) #### Measuring ranges - Temperature -200.00 °C ... 1300.00 °C ![shadow](/themes/custom/kimo/images/divider-big.png) #### Technical details - Parameters Temperature - Displays 2-line display - IP Protection IP 54 - Battery life 400 hours - Standards RoHS II 2011/65/EU (EU)2015/863 UKCA 2012/19/EU WEEE 2014/53/EU RED - Wireless connection 1 - Power supply 3 alkaline batteries LR03 AAA 1.5 V - Protective cover Yes - Interchangeable module No ![shadow](/themes/custom/kimo/images/divider-big.png) #### Instrument Dimensions - Length 2 3/4 inches 70 mm - Width 1 5/16 inches 33 mm - Height 5 11/32 inches 136 mm - Weight 7 13/32 pounds 210 g ![shadow](/themes/custom/kimo/images/divider-big.png) #### Operating temperature - Min -10.00 °C - Max 60.00 °C ![shadow](/themes/custom/kimo/images/divider-big.png) #### Storage temperature - Min -20.00 °C - Max 70.00 °C ![shadow](/themes/custom/kimo/images/divider-big.png) Supplied with 2 K Thermocouple wire probes, class 2, 1 m (39.37’’) cable length 1 Certificate of conformity 1 Quick Start Guide 3 alkaline batteries LR03 AAA 1.5 V 1 Carrying bag Software [ ![Si-HVACR Measurement Mobile App](/sites/default/files/styles/small/public/images/Si-HVACR-VH3.jpg.webp?itok=TdPz12CK) Si-HVACR Measurement Mobile App](/en-APAC/measuring-instruments/portable-instruments/software/si-hvacr-measurement-mobile-app) Videos [![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/Rj03818VFCk.jpg.webp?itok=Mj7y_Tei)](/en-INT/videos/full-overview-kimo-sauermanns-new-easy-use-hvacr-instrument-range) ## [Full overview of KIMO & Sauermann’s new easy-to-use HVACR Instrument Range ](/en-APAC/videos/full-overview-kimo-sauermanns-new-easy-use-hvacr-instrument-range) [![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/qojsz3tIWbE.jpg.webp?itok=rv24Y7VB)](/en-INT/videos/si-tt3-comparison-thermocouple-temperatures-heating-system) ## [Si-TT3: comparison of thermocouple temperatures of a heating system ](/en-APAC/videos/si-tt3-comparison-thermocouple-temperatures-heating-system) [![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/xXk6Vn9ypDk.jpg.webp?itok=BuoHUqgH)](/en-INT/videos/si-tt3-room-and-contact-temperature-measurement) ## [Si-TT3: room and contact temperature measurement ](/en-APAC/videos/si-tt3-room-and-contact-temperature-measurement) Downloads #### Documents [ HVACR measuring instruments range](/sites/default/files/files/EN_67874-SIHVACR_06-2025.pdf) Compliance