The Liquistation CSF48 automatic stationary sampler from Endress+Hauser takes liquid samples from process streams,
stores them in plastic or glass bottles for sample preservation and later
analysis, and can perform up to two on-line analyses at the measuring point.
Using Endress+Hauser's Memosens sensors, measurements available include
nitrates, conductivity, oxygen, pH or ORP, and turbidity. Other sensors are
available on a custom basis. The sensors have 4-20mA outputs.
The Liquistation CSF48 can serve as a stationary
sampler for fully automated removal and temperature-controlled storage of
liquid media. It can also be configured with sensors for use as a measuring
station in municipal and industrial sewage treatment plants, laboratories and
water conservancy boards, or industrial processes.
An integrated data logger records analyzer
values, temperature of the samples, time of sampling, etc. The operator
interface has an LCD display, menu-guided operations, four operating keys,
Field Data Manager software, and an interface to a PC for transmitting digital
data. The system has two digital inputs, two analog inputs, two analog outputs,
a cleaning function and an alarm relay. Add-on modules allow the Liquistation
to be upgraded from one channel to multichannel measurements.
Sampling is accomplished
with a vacuum or peristaltic pump, and the CSF48's controller distributes the
sample to the appropriate bottle. Sample bottles are kept in
temperature-controlled storage, in two-door housing for reliable temperature
regulation. Dual-bottle trays make it easy to retrieve, replace and transport
samples to the lab. Bottles are available in sizes from 1 to 30 l, in plastic or glass. All parts that transport liquid (distribution arm,
dosing system, distribution plate etc.) can be removed and cleaned easily
without the need for additional tools.
Using the operator interface
or the PC, a user can set up sampling procedures ranging from simple timed
programs to event-driven programs. Up to 24 sampling programs can be active
simultaneously. Sampling control can be in proportion to time, volume or flow.
A sampling table makes it possible for users to program the bottle assignment,
time interval and sample volume. Signals for external control can be connected
via the two analog inputs and two digital inputs in the standard version of the
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