Method for calibrating the analytical instruments development (A.I.D.) ozone generator model 565 (IM-DER-005)

Ozone may be produced during welding operations and particularly in the welding of aluminium using argon gas shielding. As ozone is toxic (TLV 0.1 ppm) a means of monitoring the ozone produced during welding in BREL and Railway Workshops was required and for this purpose an A.I.D. Model 560 ozone...