Sartorius IB 31000 P Specifications download pdf (Page 14)

water (concentration

490

kg-m") was injected at position B (see figure 3.2.1) in such a way that the

total average flow rate was not changed. The reading of the flowmeter was continuously monitored

during this process. Samples were taken at position C in order to determine the concentration of the

China Clay. After one minute the injection of China Clay was stopped. During this test the reading

ofthe flowmeter did not change. The concentration of China Clay at position C varied between 0 and

15 kg-m".

These results confirmed not only the specifications given by the supplier, but also the ability of the

Foxboro flowmeter to measure the flow rate of a suspension of China Clay.

Thermometer

Since April 1992 a digital thermometer (Fluke model 2180A) has been available in the

Hydromechanics Laboratory .

is a portable, five digit resistance temperature device (RTD)

thermometer with a round-bar like sensor. The temperature is measured in the tip ofthe sensor. Using

a 390Pt RTD type sensor, temperature measurements are possible over a range of -200°C to +204°C

with a resolution of .01°C. The maximum error is about O.04°C in this configuration. The reading

can be switched from Fahrenheit to Celsius and vice versa with a front panel switch. This instrument

features dual slope AID conversion and a microcomputer control logic. There is also a banana jack

connector for an analogue output (100 mV per degree). Digital output is aIso possible. A

warm-up

time of 5 minutes should be taken into account before the thermometer is used. For further

information see the instruction manual of the Fluke thermometer [10].

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Sartorius IB 31000 P Specifications Page 14