Bio-Rad Model 550, Ultramark, and Benchmark Microplate Reader Accessories - Manual (Page 13)

4100172 Rev C 5
4. Disinfection Procedure
All parts of this instrument that can come in contact with patient sera or positive samples must be
handled as hazardous items. Bio-Rad Laboratories recommends using gloves when performing
maintenance or working with the instrument.
Ø It is very important that the instrument undergo thorough disinfection before performing
maintenance or before physical removal of the instrument from the laboratory. The
instrument must be disinfected before you send it back to Bio-Rad Laboratories for
service. For safety reasons, you must fill out a Disinfection Certificate and include it with
the instrument. Without the Disinfection Certificate, Bio-Rad Laboratories will not accept
any returned instruments.
Bio-Rad Laboratories recommends using a solution of 5% sodium hypochlorite solution (in
water). Authorized persons wearing one way gloves and protective clothes must perform the
disinfection procedure. The location must possess adequate ventilation.
Ø When disinfecting, be sure to wear disposable gloves.
To disinfect the Benchmark Plus, use the following procedure:
1. Remove the SERIAL cable, power cord, and any accessories.
2. Clean the outside surface of the instrument carefully with a wad of cotton or a paper towel,
which has been soaked in the 5% sodium hypochlorite solution.
3. Repeat the procedure for the disinfection on all accessories being returned with the
instrument.
4. Package instrument, disinfection certificate, and accessories in the original box.