Detachable probe: the probe and the controller can be separated, no cable connection, installation and removal will not affect the material in and out   The probe is resistant to high and low temperature: the probe is suitable for -40°C to 250°C working environment and the ultra-high temperature type can reach 1000°C.   SMD technology: the circuit is more resistant to vibration, and the circuit parameters are more stable and reliable.       Applicable fields   Electric power industry: coal conveying system, ash removal system (ash hopper, silo pump, ash storehouse)   Construction Industry: Cement Plant   Food Industry: Flour Tanks, Packaging Hoppers       Paper industry: sawdust bins, liquid tanks Technical parameter   Power supply: 220VAC±10%, 50/60Hz; 24VDC±10%   Electric shock capacity: 250VAC5A   Power consumption: max 25W   Sensitivity: ≤0.3PF   Output relay: SPDT   Ambient temperature: -40~65& 8451;; temperature effect: 0.3PF/30& 8451;   Calibration: Zero calibration by pressing the button Sensitivity setting: The setting range is 1-9 gears   Switch delay setting: the delay value range is 0-59 seconds   Alarm form: optional upper limit or lower limit