Specification: Item Type: Thermocouple Converter ModuleWorking Voltage: 2.7-5.5V Working Current: 300A (typical value) Shutdown Current: 2A (typical) Measurement Accuracy: 0.5 / 1.5 (typical value / maximum value) Measurement Resolution: 0.0625 (typical value) Communication Interface: Industry standard 2-wire I2C compatible serial interface, 100KHz Pin Definition: VCC: Power + GND: Ground SCL: I2C serial clock wire SDA: I2C serial data wire ADDR: This pin is used to set the I2C slave address. This pin can be connected to VDD, GND, or a ratio of VDD can be selected. Use resistor divider network to set eight address levels. AL1: Temperature alarm output AL2: Temperature alarm output AL3: Temperature alarm output AL4: Temperature alarm output Package List: 1 x Thermocouple Converter Module1 x K TypeContact Base1 x 9Pin