MODULAR CONSTRUCTION-O/A DIM. 16 IN. WX16.5 IN. HX16 IN. DEEP-ELEC DATA 115V AC 50/60 HZ SINGLE PHASE 1200W- COMPLETE W/TRITIUM ELECTRON CAPTURE-SINGLE COLUMN OVEN-MAX OPERATING TEMP AMBIENT TO 400 DEG C-ISOTHERMAL TEMPERATURE CONTROLLER-POTENTIOMETRIC RECORDER 1.0 MV FULL SCALE-SOLID STATE ELECTROMETER-CARRIER GAS FLOW SYSTEM