Xylem SI Analytics ViscoClock plus Operating Manual page 29

• Liquid dripping from ViscoClock plus.
Cause
The <START> key (16) was pressed prior to
pumping up so that the ventilation valve is
open.
Sample was pumped into the measuring
device ViscoClock plus with the manual
pump.
• The measurement was not started and/or stopped when the meniscus passed through the light
barrier.
• The timer is not running properly or not running at all.
Cause
The sample liquid is not transparent
enough.
Malfunction of the timing device
Remedy
Contact the Service Center (see backside of this manual)
or the dealer.
Remedy
Check the ViscoClock plus with a transparent specimen.
Check the functionality of the measurement time recorder.
- Take the viscometer from the device.
- Push down the ventilation membrane rod (release lever).
- Press start key.
- Use a thin object (e.g. pencil) to enter the upper light barrier
Time measurement should start now.
>
- The time measurement must stop again when the lower
light barrier is passed through a thin object (e.g. pencil).
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