a collapsible rotary blister sealer with improved heating plate assembly is disclosed . the disclosed blister sealer comprises a lightweight , tubular frame , detachable legs and a lightweight , modular turntable . further disclosed is a sealer that is mountable on a table - top or other horizontal surface . said disclosed turntable is height - adjustable ; easily removable , and further includes an indexing means for stopping said turntable at predetermined angular positions . the disclosed press of the present blister sealer may be height - and pressure - adjustable , and said frame may further include a strut to further strengthen said frame when greater pressures are desired from said press . it is further disclosed that said sealer include a unique heater plate assembly that permits easy access to the heating coils and further may include a protective sheath to prevent damage to said heater plate assembly . still further disclosed is a protective guard to protect the user from the heater plate assembly by a guard comprising a metal top and three plastic side panels that are easily replaceable .