Nace CP 1 - Data Sheet

Basic Electricity 1:31
CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
02/01/05
EXERCISE 1.1 DATA SHEET
STEP 1 RATED BATTERY VOLTAGE (E
T
) : ____________ V
BATTERY VOLTAGE (E
T
) : ____________ V
STEP 2 RESISTANCE MEASUREMENTS
Nominal
Measured
R
1
10,000 Ω ______________
R
2
1,000 Ω ______________
R
3
100 Ω ______________
R
4
10 Ω ______________
SERIES CIRCUIT
STEP 3
Calculated Total Resistance R
T
= R
2
+ R
3
+ R
4
= ______ Ω
STEP 4
Measured Total Resistance R
T
= R
2
+ R
3
+ R
4
= ____________ Ω
STEP 5
Calculated Current (I
T
) = E
T
/R
T
= : __________________ A
STEP 6
Measured Current (I
T
)= __________________ A