Maintenance Schedule; Clean The Instrument; Clean Spills - Hach NA5600 Manual De Instrucciones

3.1 Maintenance schedule

Table 1 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Task
Replace the calibration and reactivation solutions
Replace the conditioning solution
Replace the KCl electrolyte
Replace an input power fuse

3.2 Clean the instrument

Never use cleaning agents such as turpentine, acetone or similar products to clean the instrument
including the display and accessories.
Clean the exterior of the instrument with a moist cloth and a mild soap solution.

3.3 Clean spills

Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local,
regional and national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.
3.4 Replace the calibration and reactivation solutions
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.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local,
regional and national regulations.
Replace the reactivation solution and calibration solution at 3-month intervals or when less than 10%
full.
Items supplied by the user:
• Personal protective equipment (refer to MSDS/SDS)
• 0.5M Sodium Nitrate (NaNO
• 10-ppm Sodium Chloride Standard (NaCl), 500 mL
• Deionized water, 100 mL
4 English
Table 1 Maintenance schedule
on page 6
on page 8
on page 10
N O T I C E
C A U T I O N
C A U T I O N
C A U T I O N
), 500 mL
3
3 months
on page 4
As necessary
X
X
X
X