Basic Electricity 1:32
CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
02/01/05
STEP 7 MEASURED VOLTAGE DROPS
V
1
= : ______________ V Across 1000 Ω resistor
V
2
= : ______________ V Across 100 Ω resistor
V
3
= : ______________ V Across 10 Ω resistor
Calculated Total V
T
= : ______________ V
Measured Source Voltage (E
T
) : ______________ Volts
DIODE CHECK
FORWARD READING REVERSE READING
Good
____________ _____________
Bad
____________ ____________
Shorted
____________ ____________
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