USTER HVI 900 - Page 308

USTER® HVI 900 Instruction Manual
Uster Technologies, Inc. Chapter 14
Version 4.0 (1.99) Appendix - Page 14-42
3. Micronaire Module Installation
[ ] The balance reading should be zero. If it is not, tare the balance
by pressing the front bar once.
_____ Record the air pressure of the piston (standard is 90-100 psi).
[ ] Check the electrical zero of the pressure transducer. Refer to the
Service Manual if needed.
[ ] Set the MIC air with the plug. Refer to the Service Manual for
further instructions.
_____ Record the air pressure of the gas regulator (standard is 10 psi
with air flowing through both orifices).
[ ] Set the slope and offset to standard values. Refer to the
Instruction Manual for the procedure.
[ ] Check the chamber size. With the above setup, the high
micronaire value cotton should read within ±0.2. Adjust the
chamber size for this tolerance.
[ ] Calibrate with the high and low micronaire value calibration
cottons (10 grams each ±0.03 grams).
4. Trash Module Installation
[ ] Rotate the lamps for uniform light distribution. If the lamps are
moved, the voltages should be re-checked for color Rd and b.
[ ] Check for a good picture.
[ ] Secure the camera (if it is loose).
[ ] Perform the calibration procedure.