Specification                     Name: 5L Electric Heating Mantle        Voltage: 220V  (transformer can be used)        Power: 1100W        Heating temperature: the surface temperature is up to 360& 8451;        Boiling: Corresponding to the capacity of water 7-10min        Heating furnace wire: Cr20Ni80        Insulation layer: alkali-free glass fiber, can withstand temperature of 450& 8451;        Inner diameter: 253mm        Inner depth: 145mm        Shell diameter: 340mm        Shell height: 230mm                                Features:        5L large capacity        Digital Display        Precise temperature control        Fast heating        Easy to use                                Package Included :        5L Electric Heating Mantle*1                Temperature probe*1                                               Instructions:               ZNHW type electric heating jacket temperature control adopts computer chip         as the main control unit, adopts multiple digital filter circuits, fuzzy PID control         algorithm, has high measurement accuracy, small punch temperature, single-key         touch operation, dual-screen display, internal and external thermocouple measurement         Temperature, thyristor control output, 160-240V wide voltage power supply, and has         the function of breakage protection, with the characteristics of fast heating, high         temperature, easy operation and durability. It is an ideal heating instrument for         universities, research institutes, pharmaceutical and chemical laboratories, and         laboratories to do heating experiments