Cole Parmer 1200 Series User Manual - Page 7
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1200 and 1201 Spectrophotometer Operation Panel
Mode Indicator: Show the current measurement mode (T--%Transmittance, A--
Absorbance, C--Concentration, and F--Factor) (refer to Figure-3).
Sample compartment
Figure-3
MODE Button: There are four modes.
T mode is transmittance mode;
A mode is absorbance mode;
C mode is to measure unknown sample concentration through a standard solution;
F mode is to measure unknown value with a previously determined factor.
∧ (0A/100%T) Button: Adjust Digital Display reading to 100%T or 0.000A when blank
reference solution is in the Sample Compartment.
∨ (0%T) Button: When in T mode, put S-1200-111 into the Cuvette Holder to block the
optical light beam. Press ∨ button to adjust the Digital Display reading to 00.0%T.
ENT (PRINT) Button: When pressed:
At A and T modes, send the displayed results to printer;
At C mode, set the concentration value (refer to Concentration Mode in Basic
Operation section);
LCD Display
Mode
Wavelength Knob
Cole Parmer 1200 Spectrophotometer
7
0A/100%T
0%T
Print/Enter