Type K Penetration Thermometer Probe house and garden soil Opening the air venting screen

Opening the air venting screen or pairing the floor duct port with an intake fan will allow fresh air to enter the grow tent

Total Diameter: 14 in

and extends 7" outward in each direction

Because this is a standard industrial size fan

Featuring automatic 1 or 2-point calibration with two pre-memorized buffer sets

Type K Penetration Thermometer Probe house and garden soil Opening the air venting screenThe primary difference between Type J and Type K thermocouples is the measuring range, and the sensitivity. Type K is the most common general purpose thermocouple with a sensitivity of approximately 41 V C. A wide variety of probes are available in its 50C to +900C 58F to +1652F range. Type K wire color standard is yellow (+) and red ( ). Type J has a more restricted range of 50 to +400C, but higher sensitivity of about 50 V C. Type J wire color