Wide operating voltage range 3. 0 ~ 5. 5V, Working current 50mAInterface: SPISuper wear-resistant, and corrosion resistance, reliable operation and low power consumption. No electromagnetic interference, strong anti-interference, strong compatibility.Module interface: GND VCC SO; Set screw M6The operating temperature range of -20Celsius~ 85CelsiusThe temperature measurement accuracy: 1.5 CelsiusSupply voltage: 3~5V DCSimple SPI serial port temperature value outputOn-chip cold junction compensationHigh impedance differential inputThermocouple disconnection detectionK type thermocouple junction location, use 301 ordinary terminalsWidely Application:Bearing , cylinder block, textile machine, air conditioner, and other small space industrial equipment temperature measurementFreezer, granary, storage tank, telecommunications room, electric machine room, cable trough, etc.Especially suitable for MCU enthusiasts, students, research institutes, prototype developmentRoom temperature measurement, car modification, car air conditioning, refrigerator, freezer, and medium and low temperature drying ovenColour:As shownMaterial:Metal + plasticPackage Contents:3 x MAX6675 modules3 x K-type thermocouple thermocouple sensors3 x 4PIN cablesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.