Hach TU5300 sc Manual Básico Del Usuario página 21

Calibration
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
The instrument is factory calibrated and the laser light source is stable. The manufacturer
recommends that a calibration verification be done periodically to make sure that the system
operates as intended. The manufacturer recommends calibration as local regulations require and
after repairs or comprehensive maintenance work.
Use the optional calibration lid and a vial(s) with a StablCal standard or Formazin standard to
calibrate the instrument. As an alternative, use a syringe and StablCal standard or Formazin
standard to calibrate the instrument.
Refer to the expanded user manual on
calibration settings.
Verification
Use the optional calibration lid and a sealed-vial 10-NTU StablCal standard (or a StablCal 10 NTU
standard and a syringe) to do a primary calibration verification. As an alternative, use the optional
calibration lid and the optional glass verification rod (< 0.1 NTU) to do a secondary calibration
verification.
Refer to the expanded user manual on
verification settings.
Maintenance
Burn hazard. Obey safe handling protocols during contact with hot liquids.
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Personal injury hazard. Never remove covers from the instrument. This is a laser-based instrument and
the user risks injury if exposed to the laser.
Personal injury hazard. Glass components can break. Handle with care to prevent cuts.
Do not disassemble the instrument for maintenance. If the internal components must be cleaned or repaired,
contact the manufacturer.
W A R N I N G
www.hach.com to calibrate the instrument and configure the
www.hach.com to do a verification and configure the
W A R N I N G
C A U T I O N
C A U T I O N
C A U T I O N
N O T I C E
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