High Temp. Type K Immersion Thermometer Probe – Sper Scientific Direct
Temperature Sensor - Waterproof (DS18B20) - SEN-11050 - SparkFun Electronics
Digital K-Type Thermocouple Thermometer with 1 Sensor Wire Probe for HVAC and Industrial Use: Amazon.com: Industrial & Scientific
Twidec/2M NPT 1/2"inch (6X50MM) Pipe Thread Temperature Sensor Probe Two Wire Temperature Controller (0~600℃) 304 Stainless Steel K Type Thermocouple MT-205-1/2: Amazon.com: Industrial & Scientific