vinmetrica SC-100A User Manual Download Page 1

SC-100A manual 

Version 3.1c 

 

Vinmetrica SC-100A™   

User Manual   

 

 

 
The Vinmetrica SC-100A is a simple and robust device that provides high accuracy in determination of 
sulfite (SO

2

) levels in wine. These are essential parameters to control in the effort to make high quality 

wines. 
 

Materials provided in the kit: 

1.

 

Vinmetrica SC-100A SO

2

 controller unit (Part number SC100A-1) 

2.

 

 SO

2

 Electrode 

 

(Part number SC-100-3), blue polycarbonate housing 

3.

 

 SO

2

 Reagent set (Part number SC-100-2): 

 

  SO

2

 Titrant solution

 

(0.0156N) 

 

  Acid Reagent (2M HCl) 

 

  Reactant solution 

4.

 

One 5 mL syringe   

5.

 

Two 3 mL polyethylene transfer pipettes 

6.

 

One 25 mL serological pipette 

7.

 

One 100 mL polypropylene beaker 

 
 
 
Things you will need: 
 

1.

 

Two standard AA batteries (alkaline type). 

2.

 

Distilled water, which usually can be found at most grocery stores (aka purified water (by 
deionization)).  

3.

 

(Optional) It’s handy to have a wash bottle for rinsing. Rinse bottle available from Vinmetrica 
(Part number SC-100-17). 

4.

 

(Optional) Sodium Hydroxide solution, 1N concentration (for total SO

2

). Available from 

Vinmetrica (Part number SC-100-7) 

5.

 

(Optional) Deluxe Lab Accessory Kit which includes: magnetic stirrer, burette (10mL or 25mL), 
lab support stand, double burette clamp, rinse bottle and electrode holder. Available from 
Vinmetrica (Part Number SC-300-9) 

 

 

 
 

Figure 1.

 The SC-100A instrument

 

Summary of Contents for SC-100A

Page 1: ...ge 5 Two 3 mL polyethylene transfer pipettes 6 One 25 mL serological pipette 7 One 100 mL polypropylene beaker Things you will need 1 Two standard AA batteries alkaline type 2 Distilled water which us...

Page 2: ...63 79 99 125 pH 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 We recommend using a sulfite calculator for determining how much sulfite to add to your wines after taking a sulfite measurement with the SC...

Page 3: ...100A shuts off after 30 minutes If this happens unexpectedly just press the POWER button to resume from where you were 4 The SO2 electrode is attached via the BNC connector protruding from the top To...

Page 4: ...to dispense the SO2 Titrant into the top of the burette 3 Using the 25 mL pipette provided in the kit place 25 mL of wine or must in the titration beaker Figure 5 Draw sample up to the 0 mL mark then...

Page 5: ...lectrode Holder adjust it to a similar level You may add up to 20 mL water if needed 8 Verify that the current is less than 50 and the green PROCEED LED is lit If the current is greater than this and...

Page 6: ...gent and 2 mL of the Reactant solution to the vessel Remember that if you are using the transfer pipettes in the kit 2 mL is marked on the side of the neck of the transfer pipette so dispense four of...

Page 7: ...METRICA S MAXIMUM LIABILITY FOR ALL DIRECT DAMAGES INCLUDING WITHOUT LIMITATION CONTRACT DAMAGES AND DAMAGES FOR INJURIES TO PERSONS OR PROPERTY WHETHER ARISING FROM VINMETRICA S BREACH OF THESE TERMS...

Page 8: ...st Mode hold the POWER button down 5 10 seconds until the instrument shuts off If the device does not shut off after 10 seconds of holding down the button move to the next section by releasing then pr...

Page 9: ...2 pH CAL values None only firmware v3 0 6 and later NA Displays current CAL values for pH 7 and 4 in mV Pressing ENTER cycles between these If a pH CAL reset has been done displays CAL value for pH 3...

Page 10: ...r this type of wine molecular SO2 pH is your value mg L Redo the calculation using this value for desired free SO2 level if required Enter this value in the Desired level of free SO2 box Press Calcula...

Page 11: ...ulated I m getting strange results in SO2 mode how do I know if my instrument is working correctly For SO2 measurements with the SC 100A there are several quick tests you can do to make sure the instr...

Page 12: ...connector to its outer metal sheath The device should indicate STOP with its red LED and buzzer or beeper and the current should go to 1999 If this does not happen there may be a problem with the ins...

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