Megger SR-98, Instruction Manual

Page: 16 / 93

10
TIMER SETUP Screen
The
TIMER SETUP
screen is used to set the Timer
Start
and
Stop/Monitor
Options,
set the
Start
and
Stop Latch
Options, set
Output Frequency
, turn the
Monitor Horn
on and off and set the
Delay Cycles
for momentary operation.
The user may use the arrow keys and the rotary knob to move from function to function
and change the option. The following are descriptions of each option and function of
the
TIMER SETUP
Screen.
The following modes are provided for the
START and STOP/MONITOR gates:
V. APPL (Voltage Applied):
Used when doing a timing test. The function of this position is to monitor the
application of an AC/DC voltage across the trip output of the device under test.
The Timer starts or stops when an AC potential (60 - 300 Volts RMS) or DC
potential (5 - 300 Volts) is applied.
Note: CATII insulated test leads required
(use PN684000 and 684001 leads) .
V. REMOV (Voltage Removed):
Used when doing a timing test. The function of this position is to monitor the
removal of an AC/DC voltage across the trip output of the device under test. The
Timer starts or stops when an AC potential (60 - 300 Volts RMS) or DC potential
(5 - 300 Volts) is removed.
Note: CATII insulated test leads required (use
PN684000 and 684001 leads) .
N. OPEN (Normally Open):
The function of this position is to monitor normally open dry contacts of the
device under test. The Timer starts or stops at the closing of a normally open dry
contact.