wilks InfraCal CVH Use and care manual

InfraCal
TOG/TPH Analyzer,
Model CVH
Calibration
www.WilksIR.com

Calibration Oil
Heavy hydrocarbon

No volatiles

No volatiles
No Additives

Mixing Standards – Vol me/vol me
ppm Oil Solvent
400 40ul 10 ml
300
30ul
10 ml
300
30ul
10 ml
200 20ul 10 ml
100 10 ul 10 ml

First Standard: 100 ppm
Add 10 ml of solvent to
the 10 ml graduated
cylinder

First Standard: 100 ppm
Add 10 ml of solvent to
the 10 ml graduated
cylinder
Using the syringe add
10 microliters of oil to 10
ml of solvent in the
ml of solvent in the
graduated cylinder

First Standard: 100 ppm
Add 10 ml of solvent to
the 10 ml graduated
cylinder
Using the syringe add
10 microliters of oil to 10
ml of solvent in the
ml of solvent in the
graduated cylinder
Pour this standard into
a vial labeled “100 ppm”
Shake to mix

Second Standard: 50 ppm
Pour 5 ml of the 100 ppm standard back into the
10 ml graduated cylinder

Second Standard: 50 ppm
 Pour 5 ml of the 100 ppm standard back into the
10 ml graduated cylinder
Fill the cylinder to 10 ml with clean solvent

Second Standard: 50 ppm
Pour 5 ml of the 100 ppm standard back into the
10 ml graduated cylinder
Fill the cylinder to 10 ml with clean solvent
This will cut the 100 ppm standard in half to be 50
ppm
Pour this standard into a vial labeled “50 ppm”
Shake to mix

Third Standard: 25 ppm
Pour 5 ml of the 50 ppm standard back into the
10 ml graduated cylinder
Fill the cylinder to 10 ml with clean solvent

Third Standard: 25 ppm
Pour 5 ml of the 50 ppm standard back into the
10 ml graduated cylinder
Fill the cylinder to 10 ml with clean solvent
This will cut the 50 ppm standard in half to be 25 ppm
Pour this standard into a vial labeled “25 ppm”

Calibration to Prepared Standards
Make sure InfraCal has been on for
1 hour

Make sure
cuvette
is clean

Make sure
cuvette
is clean
Zero InfraCal

Zeroing
Fill the cuvette with clean solvent and place in
the sample stage with the frosted side facing
front.

Zeroing
Press and hold the ZERO button until the
display reads bAL .
Recall
ZEROCAL
RUN
bAL

Zeroing
A multiplier value to 3 decimal places will be
displayed when zero is established. The actual
value is only of interest when reporting
problems to the factory
Recall
ZEROCAL
RUN
1.267

Zeroing
Press RUN. The display should read 00 + 02
If not, repeat the zero process
Recall
ZEROCAL
RUN
00

Calibration to Prepared Standards
Run each standard at least 3 times on the
InfraCal
Average results for each standard
Enter averaged results under the “A” in the
manual on page 13 or 14 and the
corresponding calibration value in the C
column

Example Calibration Table
A
Absorbance
C
Calibration
Standard
AO1= 42 CO1= 25
AO2= 81 CO2= 50
AO3= 149 CO3= 100

Entering Val es into EDIT programEntering Val es into EDIT program
Make sure Cal Lock switch on the back of the InfraCal is
in the “I” position
+
Made In U.S.A.
EN 61010-1
EN 55022 Class B
EN 50082-1
Serial #

Press the CAL button for two seconds,
until CAL appears on the display
CAL
Recall
ZEROCAL
RUN