Sartorius IB 31000 P Specifications download pdf (Page 11)

performance of the sensors was observed. However, if the maximum concentration was 0.2 kg-m?

the 5 mm sensor gave the best results and was the most accurate. Summarizing, it is recommended

to use a 5 mm sensor for measuring relatively low concentration of China Clay

1 kg-m"), For

higher concentrations (1-15 kg-m") both sensors can be used and for even higher concentrations the

1.6 mm sensor has to be preferred.

Concentrations of China Clay of up to 200 kg' m? were measured in the laboratory using this sensor.

Electromagnetic flowmeter

An experimental set-up was built in the Hydromechanics Laboratory to study the liquefaction and

erosion of a cohesive sediment due to waves and current, see De Wit and Kranenburg (1992) [5]. In

this set-up a magnetic flowmeter was installed in the recirculation pipe to monitor the flow rate during

an experiment. Prior to installing the magnetic tlowmeter

was subjected to two tests. In the first

test the flowmeter was tested using an orifice plate. In the second test the influence of a non-

homogeneous suspension of China Clay and tap-water on the reading of the tlowmeter was examined.

In the next sections a general description of the magnetic flowmeter and a description of the tests will

be given.

3.1 Description

The tlowmeter used is a FOXBORO 8004-WCR magnetic tlowmeter

with

a remotely-mounted

transmitter. The flow tube has a flanged body and a ceramic lining. The line size is 100 mm and the

minimum and maximum tlow rates to be measured are 220 and 4400 I/min. See tabel 3.1.1 and tabel

3.1.2 for more specifications of the flowtube and the transmitter, respectively.

Table 3.1.1

Identification and specifications of the Foxboro 8004-WCRflowtube.

Cal factor

2.9283

max pres

6.75PSI @l00°F

580PSI @400°F

model

8004 WCR-C

ref no

5335394

origin

2A8818

normal temperature

-20 TO 55°C

limits

approximate mass

10.0 KG

- 6 -

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 29 30

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