... Type:LED Material:Steel Certification:CE Usage:Drying Equipment Type:Temperature Controller Applicable to electric water, heater, washer, waterer, ... and deep fryer, etc. Designed temperature: -30~320 On-off temperature difference: 2~9 Service temperature control range: 30~85, 30 ... , clothing, food, printing and dyeing industry-200 ~1800 temperature range of measurement and automactic control.