Seaward 250 PrimeTest - Manual (Page 21)

3 Performing Tests
Press CLI and CLII keys simultaneously to switch
on the PrimeTest 250+. When the unit is ready the
display will be as shown below.
3.1 Checking a mains power outlet
Connect PrimeTest 250+ mains lead to the mains
inlet socket and to the power outlet to be tested.
Each time mains voltage is detected, the line-neutral,
line-earth and neutral-earth voltages will be
displayed for 2s as shown below.
If the voltages are within the acceptable limits
shown below, a tick is shown next to the enunciator.
PrimeTest 250+ Operating Instructions
19
195V-253V
195V-253V
<30V
LN
LE
NE