Description/Purpose: If your roaster does not come Cropster ready, you can use this databridge to connect up to four ungrounded thermocouples from your machine to your computer. This data bridge is for ungrounded J/K/E/T thermocouple sensors. Weight: 0.225 lbs Setup: If you already have a Cropster account, the instructions for setup can be found here. Note on warranty: Cropster honors a 1 year warranty on this part for Cropster Roast customers directly. If you are not a Cropster Roast user, please contact the manufacturer for any issues. If you need help, but do not have a Cropster account you can contact us here. Product specification: Board API Object Name TemperatureSensor Controlled By USB (Mini-USB) Number of Thermocouple Inputs 4 Thermocouple Input Temperature Update Rate 25 samples/s Ambient Temperature Error Max ± 0.5 °C Thermocouple Error Max (K-Type) ± 2 °C Thermocouple Voltage Resolution 1.5 μV DC Thermocouple Temperature Resolution (K-Type) 0.04 °C Electrical Properties Current Consumption Max 25 mA USB Voltage Min 4.8 V DC USB Voltage Max 5.3 V DC USB Speed Full Speed Physical Properties Recommended Wire Size 16 - 26 AWG Operating Temperature Min 0 °C Operating Temperature Max 70 °C