Hach CL17sc User Manual page 6

2.2 Product overview
Chemical or biological hazards. If this instrument is used to monitor a treatment process
and/or dialysis feed water 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 Ultra Low Range CL17sc analyzer measures the total chlorine concentration in water in the
range of 10 to 5000 ppb (µg/L) at 150 second intervals.
Connect the analyzer to an SC Controller for power, operation, data collection, data transmission and
diagnostics. Refer to the SC Controller manual for an overview of the controller.
Note: More than one analyzer can be connected to an SC Controller if the controller has more than one quick-
connect fitting.
Figure 1 Ultra Low Range CL17sc
1 Indicator bottle
2 Measurement cycle lights
on page 6)
3 Pump clamp
4 Tubing clip
2.2.1 Measurement cycle lights
The measurement cycle lights show the step of the measurement cycle being done. Refer to
Lights on
Description The cell is flushed with
water.
6 English
D A N G E R
5 Analyzer status light
(Table 4 6 Flow meter
7 Buffer bottle
8 Colorimetric cell
Table 4 Measurement cycle lights
The buffer solution and the
indicator solution are added to
the cell.
Figure 1 gives an overview of the analyzer.
(Table 5
The sample is measured.
on page 7)
Table 4.