This model is designed when the cost is the major consideration to users.
Gravity convection is used when the accurate temperature control and uniformity are not critical important to users and your samples can’ tbe disturbed by air current.A mercury thermometer is mounted on top of the equipment providing temperature directreading.Comes with hydraulic thermostat sensor.The door lock is newly designed easy to lock and open. The formed door gasket is efficient to prevent the heat loss.