Owner manual

KEW3128 13
KEW3128 3. Specification
● Operating system Dual integration
● Display
320 x 240 dots, 5.7-inch
Monochrome Display
● Low battery warning Battery mark display (in 4 levels)
● Response time approx 30 sec in a range of ±5% of accuracy
approx 60 sec in a range of ±20% of
accuracy (Response time becomes slower
when output voltage becomes lower.)
● Auto-power-off
Power-off function operates when 10 min
pass without any key operatio
n.
● Altitude 2000m or less
● Temperature & humidity
range(guaranteed accuracy)
23ºC±5ºC/Relative humidity 85% or less
(no condensation)
● Operating temperature &
humidity range
-10ºC~50ºC/Relative humidity 85% or less
(when operating with an external power
supply, no condensation)
0ºC~40ºC/Relative humidity 85% or less
(when operating with battery, no condensation)
● Storage temperature &
humidity range
-20ºC~60ºC/Relative humidity 75% or less
(no condensation)
● Overload protection AC720V/10 sec.
● Withstand voltage
AC8770V : between line terminal and
enclosure /5sec (50/60Hz)
AC6880V : between the measuring
terminal and enclosure /5sec (50/60Hz)
AC2330V : between the power connector
and enclosure /5sec (50/60Hz)
● Insulation resistance 1000MΩ or more/DC1000Ｖ
(between electrical circuit and enclosure
)
● Dimension
330(L)×410(W)×180(D)mm
(Instrument and Hard case )
● Weight
approx 9kg (including battery)
(Instrument and Hard case )
● Power source
Rechargeable Lead storage battery
( PXL-12050:12V 5Ah), AC Power supply
(100V ~ 240V, 50 / 60Hz)