Hach SP-510, User Manual

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equipment is operated in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case the user will be required to
correct the interference at their expense. The following techniques can be used to reduce
interference problems:
1. Disconnect the equipment from its power source to verify that it is or is not the source of the
interference.
2. If the equipment is connected to the same outlet as the device experiencing interference, connect
the equipment to a different outlet.
3. Move the equipment away from the device receiving the interference.
4. Reposition the receiving antenna for the device receiving the interference.
5. Try combinations of the above.
Product overview
D A N G E R
Chemical or biological hazards. If this instrument is used to monitor a treatment process and/or
chemical feed system for which there are regulatory limits and monitoring requirements related to
public health, public safety, food or beverage manufacture or processing, it is the responsibility of the
user of this instrument to know and abide by any applicable regulation and to have sufficient and
appropriate mechanisms in place for compliance with applicable regulations in the event of malfunction
of the instrument.
The SP-510
™
Hardness Monitor continuously measures water softener levels to find hardness
breakthroughs based on softener exhaustion. The monitor is used in commercial and industrial water
applications. The monitor has an automatic control system that starts regeneration sequences with
the alarm circuit.
Hardness is measured at different levels as CaCO
3
with the applicable indicator and reagent
solutions. A relay closes when the instrument measures a hardness value that is more than the trip
point. Refer to
Figure 1 for the product overview.
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