Chapter 9 – Weights & Measures
Firmware Version 3/4.31.37
This API BIO tables are used for Methode3 from the PTB Community. Select PTB-BIO table
combined with API BIO to choose the wanted product.
Formula: V(T) = V0 *{1 + [A1 *(T – T0) + A2 *(T – T0)2 + A3 *(T – T0)3]}
V0 = Volume @ base temperature
V(T) = Volume @ observed temperature
T0 = Base Temperature (15° C)
T = Observed Temperature
A1, A2, A3 = Biofuel coefficients
RME: Rapeseed oil methyl ester
SME: Soy bean oil methyl ester
This table provides CTL factors for correcting volumes of ethanol at observed temperatures
to the volume at 20ï‚° C . Use this table if the following conditions exist:
ï‚· The liquid is alcohol
ï‚· Alcohol Percentage is known
ï‚· Current Temperature is available.
Test temperatures can be entered on this screen that will calculate a CTL based on the test
temperature and the alcohol percentage. The test temperature and Calculated CTL are for
informational purposes and will not be used in calculations during operations.
Corrected density at 20 degrees will be calculated and stored.