ULTRA 4 INSTRUCTION MANUAL 
 
152 
P715 Water Temperature 
When P700 = 2, BS3680 Flume this parameter is used to enter the mean 
water temperature in 
0
C. 
P717 Exponent 
This parameter is used to enter the exponent value when:             
P700 PMD Type = 1 Exponent and P701 Primary M.D = 7 Others. 
P718 K Factor  
This parameter is used to enter the K Factor when:      
P700 PMD Type = 1 Exponent and P702 Calculation = 1 Absolute, see table 
below for further details. 
 
P719 Throat Width  
This parameter is used to select the Throat Width of the flume when:     P700 
PMD Type = 1 Exponent and P701 = 4 Parshall Flume. After selecting the 
Throat Width, the Exponent P717 and K Factor P 718 will be set 
automatically.