Dynacalibrator, Model 120-2, Portable, Internal Pump, Constant Temp System Range, Pyrex Chamber, Flow Range 0-2 lpm, 1/4" FEP Teflon Internal Lines, 1/4" Teflon Fittings, 110VAC & 12VDC

Standard features on Model 120 include a glass or PTFE permeation chamber with screw cap access, solid state proportional temperature controller with digital readout of set point and chamber temperature, heater switch with LED indicator, flowmeter and flow control valve, span and overflow outlets, 12 VDC internal pump, activated charcoal scrubber, and molded fiberglass case.