Vanguard CT-8000 - Manual (Page 79)

REV 2 CT-8000 USER’S MANUAL
74
3.5 Performing a Dynamic Resistance Test
The Dynamic Resistance Test can graph the circuit breaker contact resistance during the circuit
breaker operation and can help detect circuit contact problems during operation. Follow the
steps below to perform a Dynamic Resistance Test:
a. Start from the “START-UP” menu:
Press the
[1]
key (RUN TEST).
b. The following screen will be displayed:
Press the [3] key (DYNAMIC REST TEST).
c. The following screen will be displayed:
1. NO
Press the [1] key if you are timing a circuit breaker without insertion resistors.
Continue to step d.
2. YES
Press the
[2]
key if you are timing a circuit breaker with insertion resistors. The
following screen will be displayed:
Select the resistance value by pressing the corresponding key (
[1]
,
[2]
, or
[3]
).
Continue to step d.
RESISTOR VALUE:
1. LESS THAN 1000 OHM
2. 1000 to 2000 OHM
3. MORE THAN 2000 OHM
INSERTION RESISTOR?
1. NO
2. YES
1. TIME BREAKER
2. STATIC RES TEST
3. DYNAMIC RES TEST
1. RUN TEST 03/10/10
2. GET RSLT 09:04:05
3. SETUP
4. DIAGNOSTICS