Feature: 1. 4 Channels: This thermocouple thermometer comes with four type K thermocouples and supports four channels of simultaneous measurements. 2. High Accuracy: This thermocouple thermometer is highly accurate and can be used for multipoint temperature comparison or temperature difference measurement with stable and reliable readings. 3. Wide Application: The thermocouple thermometer has a wide range of applications and is suitable for temperature detection and recording in steel, metal processing, plastic processing, paper making, electronics, textile and other industries. 4. Good Compatibility: This thermocouple thermometer is compatible with a wide range of temperature probes (K, T, E, R, S, and N type thermocouples), as well as powerful data logging functions and analysis software. 5. Excellent ABS Material: This thermocouple thermometer is made of excellent ABS material for the shell, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Specification: Item Type: 4 Channel Contact Thermometer Material: ABS Battery: AAA Battery x 3 ( Shipped Without Battery ) Measuring Range: K Type Thermocouple: -200.0℃-1372℃(-328.0℉-2501℉) J Type Thermocouple: -210.0℃-1200℃ (-346.0℉-2192℉) T Type Thermocouple: -250.0℃-400.0℃(-418.0℉-752.0℉) E Type Thermocouple: -150.0℃-1000℃(-238.0℉-1832℉) R Type Thermocouple: 0℃-1767℃(32℉-3212℉) S Type Thermocouple: 0℃-1767℃(32℉-3212℉) N Type Thermocouple: -200.0℃-1300℃(-328.0℉-2372℉) Suitable for K type, J type, T type, E type, R type, S type, N type thermocouple. 4 channels of temperature measurement with display of temperature difference. Set time interval to record data automatically. Can store 72000 groups of data. Deviation value compensation can be set. Bluetooth connection to for Android, for IOS, for APP control, view recorded data, save and output charts. USB connection to PC software control, view recorded data, save and output graphs.. Package List: 1 x Thermometer4 x Probe1 x USB Cable1 x Label Sticker1 x Storage Box