MEWOI MEWOI1500D, Manual

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-7-
Sampling rate 3 times / sec
Shift Full-automatic shift
Dimensions
Principal machine:W75mm × H170mm × T30mm;
HV detector: W 76mm × H 255mm × T 31mm;
LV current clamp: W 70mm × H115mm × T 38mm;
Clamp Size
HV detector clamp: φ48mm
LV current clamp: 25mm × 30mm
Voltage
Less than 70kV voltage for line test(operation by being
connected to 5 insolating rods required)
Display Mode
LCD: 128dots × 64dots;
backlight available for dark areas
LCD Size: 44mm × 27mm;
Data Retention
Press the Left arrow key to retain the data ; press the
Left arrow key to cancel retention if the symbol “HOLD”
displays;
Data Search Press the MEM key and the Arrow key to search data;
Overflow
Display
Overflow available if being out of range: the symbol “OL
A” displayed;
Zero-signal
indication The
symbol “---” is shown if the principal machine can’t
receive the signal from the HV detector;
Backlight
Control
Available; ON / OFF means to open /close the backlight;
Alarm prompt
The principal machine can sound an
alarm of “beep -
beep
– beep” if the measured value is more than the
preset error. and press the Right arrow key to launch or
stop the alarm function;
Auto power-off
Automatic power-off available after about 15 minutes as
of starting;
Battery voltage
The low- voltage symbol is displayed to remind user to
replace the battery if the battery voltage is lower than
4.8V;
Weight
Principal machine:240g (including batteries)
HV detector: 335g (including batteries)
LV current clamp: 150g × 3
Total weight: 10kg (including instrument box and the
insulating rods)
Requirements
on Interferences
No strong electromagnetic interference; no interference
from 433MHz and 315MHz channel