UDY Colorimeter Troubleshooting

UDY HOME WELCOME TO UDY BEGINNING SET-UP AND TESTING PRINCIPLE OF PROTEIN MEASURMENT SAMPLE PREPARATION CYCLONE SAMPLE MILL BLENDER BALANCES DISPENSING REAGENTS REAGENTS (continued) UDY COLORIMETER SET UP STORAGE AND USE OF DYE SOLUTIONS USING PREPARED SOLUTIONS REACT-R-MILL AND REACT-R-SHAKER MEASUREMENT (UDY Colorimeter) UDY COLORIMETER TROUBLESHOOTING PROTEIN MEASURMENT -- SOURCES OF ERROR PROCEDURES (Protein tests) CRUDE PROTEINS IN SOLID MATERIALS PROTEIN IN MEAT PRODUCTS PROTEIN IN DAIRY PRODUCTS PROTEIN IN RAW / HOMOGENIZED MILK PROTEIN IN WHEY AND WHEY PRODUCTS CASEIN OR DENATURED WHEY IN LIQUID AND POWDERED MILK TRUE PROTEIN IN WHEY

Possible Causes and Remedies Cannot Set Zero Unit     Not using Reagent Dye Solution for protein mode.   Air bubble(s) in cuvet.   Lamp output reduced or off -- check to see if lamp is on.(It will be bright blue). If lamp is off, check power. If the power is on and lamp is off, send unit to UDY Corporation.   Cuvet is dirty or coated with spilled dye.   Electronic problem - send to UDY Corporation. Unstable Readings     Air bubble(s) in cuvet   Electronic problem - send to UDY Corporation   Power supply extremely unstable or "noisy" Use Surge Protector.   Lamp about to fail.(It will be dim blue).   Reaction time incomplete, and dye concentrations changing   Solutions have spilled onto the outside of the Cuvet.   Sample-Reagent Dye Solution not filtered adequately Zero Unstable     Zero potentionmenter bad - call or send unit to UDY Corporation   Insufficient warm-up time.   Electronic problem - send to UDY Corporation Difficulty Setting GAIN     Potentionmenter worn out. Call or send unit to UDY Corporation   Wrong solutions used to Setup Unit. No Decimal Display     Signal to display out of display range. Check for proper Solutions when setting up.   Electronic problem - send to UDY Corporation Lamp Not On Replace Lamp - Send back to UDY Corporation for factory replacement and alignment. Display On or Blank with Decimal Point On. Electronic problem - send to UDY Corporation NO DISPLAY Bad Power Supply. Replace the Power Supply