Measurement signal: : Thermal resistance installation: : surface plate; Dimensions: 160x80x92mm; Alarm output: : relay contact (adjustable control return); Contact capacity: passive AC220V3A(resistive load); Working power supply: AC220V; Inspection mode: automatic inspection and manual inspection; Inspection time: : Automatic inspection time 0-100 seconds set; Inspection points: : 8; Alarm mode: upper limit alarm, lower limit alarm; Opening size: 151?¨¢75mm;