Seaward 220 PrimeTest - Manual (Page 13)

Operating Instructions
Primetest 220
6
5.0 General Information
5.1 Range overflow of the digital display 1 is
automatic and is indicated by the greater than
symbol >.
5.2 The button 6 allows a 30 second measurements
of and without the need to repeatedly press
the button. To activate the continuous test
mode the operator must press and hold the
button down then simultaneously press the
lock button down. Both buttons can then be
released in any order. The symbol will be
illuminated on the LCD display. The operator can
deactivate the mode by pressing either the or
buttons.
5.3 The PrimeTest 220 will automatically switch off
after a period of 5 minutes with no push button or
switch action. Where the mode is enabled the
automatic shutdown period is 3 minutes. When a
subsequent push button or switch action takes
place the instrument automatically switches itself
on again.
5.4 When the PrimeTest 220 is switched on from power
off position to another switch position, an on
load battery test occurs. The result of this
test determines the available battery capacity. A
healthy battery results in no battery symbol being
illuminated on the LCD display. A deteriorating
battery results in the symbol being illuminated in
the steady state. An unhealthy battery results in a
flashing symbol.
When the flashing symbol is displayed all test
and measurement functions are inhibited to
avoid endangering persons by recording false
measurements.
5.5 During the protective earth conductor current
and touch leakage test functions it is possible
that a RCD could be tripped due to the inadvertent
testing of a defective EUT.
PrimeTest 220 REV 1 5/12/05 1:52 pm Page 11