Brookfield KU-1 Viscometer - Manual (Page 4)

Brookfield Engineering Labs., Inc. Page 4 Manual No. M/97-241-B1101
I.2 Options
I.2.1 Air Purge
The air purge option (Brookfield Part No.
KU-1A) allows the interior of the KU-1+ to
be pressurized with air (or an inert gas) when
the instrument is to be used in a hazardous
environment (Figure 2). A built-in pressure
switch turns the instrument off when the
pressure drops below 2.0 PSI (falling). The
switch comes on at 10.0 PSI (rising).
Connect a regulated clean air supply which
is non-corrosive to brass to the fitting shown
in Figure 2. Adjust the pressure to approxi-
mately 25 PSI.
Note: The pressure switch range is 0-40 PSI.
DO NOT CONNECT PRESSURE HIGHER
THAN 40 PSI TO THE SWITCH!
I.2.2 Optional Paste Spindle
The paste spindle, Part No. KU1-75Y, (Figure 3) is a special spindle;
it is not included in a normal shipment/order. The design consists of
offset rod-type vanes, approximately 2 mm diameter x 19 mm long.
This spindle is suitable for use with high consistency materials such as
roller mill pastes. Do not use this spindle to report normal Krebs Unit
measurements. Record the grams value shown in the digital display
and note that the paste spindle was used to make the viscosity
measurement.
I.3 Viscometer Specifications
Range: 40–141 KU
32–1,099 gm
Accuracy:
±
1% of full scale range
Repeatability:
±
0.5% of full scale range
Paddle speed: 200 rpm
±
0.1 rpm
Printer output: 25D-Type Centronics Parallel Printer Output
Net weight: 22 lb. (10 kg)
Gross weight: 25 lb. (11 kg)
Dimensions: 15 x 11 x 20
Ambient conditions: -20
°
C (-4
°
F) to 65
°
C (149
°
F)
Air Purge Fitting
Figure 3
Figure 2