controller. In order to improve the adjusting performance of the PID temperature controller in high
temperature environment, the system is added the cooling device through the water tank to get a
small amount of temperature cooled.
3, Turn off magnetic pump and temperature controller, open the drain valve SV10, time to turn off the
drain valve when the incubation bath is draining.
5.2.3 Probe internal and external wall rinsing
1,Open valve SV9 can get the inner wall of reagent sample probe rinsed. Probe position should be at
the top of the corresponding cleaning trough when cleaning so that waste liquid can get out of the
instrument.
2,Open the valves SV4 and SV5 to rinse the external wall of sample&reagent probe and stirring rod.
Fixing pressure adjusting piston is adopted to every external wall rinsing pipeline to avoid rinsing water
spilling out of rinsing bath.
Explanation：Z1——syringe pump unit；Z2——sample reagent probe；Z3——probe rinsing bath；Z4
——stirring rob rinsing bath；Z5——five-valve plate unit；A——water tank；B——waste outlet
5.2.4 Colorimetric cup rinsing liquid line
In order to achieve the cleaning effectively, colorimetric cup rinsing adopts warm water. In order to
improve cleaning speed, colorimetric cup adopts hydraulic valve switch and vacuum liquid exhaust.
1, warm water provided by heating tank of inlet water is about 34 ℃. Water pressure is produced by
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