10 of 220 Manual Overview - Anatel A643a
RPS - June 2007 - Edition 12
Operator Manual Anatel
The UV lamp used for oxidation by the Anatel A643a emits ultraviolet radiation and contains
small amounts of mercury vapor. When replacing it, dispose of the expired UV lamp in
accordance with applicable local regulations. Hach Ultra accepts used lamps for proper
disposal. Refer to “Return Procedures” on page 189 for guidelines.
The Anatel A643a contains high voltage electronics. Always physically disconnect power from
the instrument before performing maintenance procedures to avoid potential electrostatic
discharge resulting in possible shock or damage to instrument components. Although the
instrument’s electronics and analysis modules are physically separated and the enclosure is
NEMA 12-compliant, components are not completely protected against external conditions.
Do not subject the Anatel A643a to direct water streams or other adverse environmental
elements.
The calibration and validation processes employed by the Anatel A643a use chemicals and a
photooxidation technology which produces hazardous waste byproducts. The effluent is
potentially dangerous both personally and environmentally. Analyzer wastes generated during
calibration and validation procedures must be disposed of in accordance with all applicable
local regulations.
The A643a TOC Analyzer’s onboard lithium battery presents a potential fire, explosion and
burn hazard. Properly dispose of expired batteriesódo not attempt to incinerate, recharge or
disassemble.
The A643a TOC Analyzer’s fittings and sample vessel may become hot during operation if the
sample water is hot, thereby creating a potential burn hazard. Make sure parts and surfaces
are cool to the touch before proceeding with procedures.
Use extreme care when installing and removing the Anatel A643a Analyzer’s sample vessel
and vials. Contact with the exposed needle could cause injury.
Earth Ground
Reference Document: IEC 417–5017
Protective Earth Ground
Reference Document: IEC 417–5019
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