Hach 5500sc SiO2 User Manual

Set the error hold mode
1. Push menu and select SETUP SYSTEM>SETUP OUTPUTS>ERROR HOLD MODE.
2. Select an option.
Option Description
HOLD OUTPUTS Holds the outputs at the last known value when communications are lost.
TRANSFER OUTPUTS Switches to the transfer mode when communications are lost. The outputs transfer
to a pre-defined value.
View data
The analyzer stores a maximum of 18,000 data points. After 18,000 data points are stored, the oldest
data points are overwritten with new data.
1. Select VIEW DATA.
2. Select an option.
Option Description
ANALYZER DATA Shows analyzer status information (refer to Table 2).
MEASUREMENT DATA Shows measurement information (refer to Table 3).
LOG DATA Selects the data log and/or the event log. DATA LOG—shows the measurement
values. Select start time, number of hours and/or number of readings. EVENT LOG
—shows all analyzer information (e.g. alarms, warnings, configuration changes,
and so on.). Select start time, number of hours and/or number of readings.
Table 2 Analyzer data
Element Definition
CELL TEMP Temperature of the colorimeter cell block heater (ideally 49.8 °C to 50.2 °C (121.64 °F
to 122.36 °F))
REAGENT TEMP Reagent temperature before it enters the colorimeter
AMBIENT TEMP Air temperature inside the electronics area
SAMPLE TEMP Sample pre-heater block temperature (typically 45 °C to 55 °C (113 °F to 131 °F) but
could reach 58 °C (136.4 °F))
AIR PRESS Reagent air pressure in the reagent bottles (ideally 3.95 to 4.10 psi)
LED DUTY CYCLE Depends on condition of colorimeter cell and age of analyzer (typically 7,200 to
40,000 counts)
HEATER DUTY CYCLE Percentage of time the colorimeter heater is on to maintain a constant 50 °C (122 °F)
SAMPLE FLOW Approximate sample flow into the colorimeter, measured during the flush cycle
SAMPLE PRESS 1 Sample pressure before the pre-heater block (ideally 2 to 4.5 psi depending on
incoming sample pressure)
SAMPLE PRESS 2 Sample pressure after the sample pre-heater, which is used to calculate the sample
flow. The sample pressure is almost zero when the flush is set to off and is
approximately 0.2 psi when the flush is on (depends on inlet pressure and flow).
REAGENT 1 Level of reagent remaining
REAGENT 2 Level of reagent remaining
REAGENT 3 Level of reagent remaining
STANDARD 1 Level of standard solution remaining
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Hach 5500sc SiO2 Specifications

General

Power Requirements	100 - 240 VAC, 50/60 Hz
Resolution	0.001 mg/L
Light Source	LED
Detector	Photodiode
Sample Flow Rate	200 to 500 mL/min
Operating Temperature	5 to 45 °C
Sample Temperature	5 to 45 °C
Outputs	4-20 mA
Enclosure	NEMA 4X/IP66
Method	Heteropoly blue method