METREL MD 9272, Инструкция по эксплуатации

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MD9272 Leakage Clamp TRMS Meter with Power Function Instrument Description
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Table 1. Keyboard
Key Use Function
F
– Function
Any position of the
rotary switch Function selection key. Depending on the
rotary switch position, the functions will
vary (refer to chapter 3).
Pressing this button cycles through the
various functions.
Hz A and V, in the
RMS function only Pressed for more than 2 s, alternates the
second display information from THD to
Hz.
H
– Hold
Any position of the
rotary switch in all
the functions
except in PEAK
function When pressed the memory mode is
activated and the value on screen kept
from updating.
Pressed again, the MAX mode is
activated for the register of maximum
values.
Next pressed, the MIN mode is activated
for the register of minimum values.
Pressed again returns to the normal
mode.
Light Any position of the
rotary switch, in all
the functions With a long press of the key (more than 2
s) the LCD screen back illumination is
turned on. 30 s after any button was
pressed, it switches off automatically.
Auto A and V, in the
RMS function only Cycles through manual ranges until the
Autorange is active again.
+ A and V in the
harmonic
measurement
function Increases the number of harmonics to be
measured.
AC/DC
V, in the RMS
function only Alternates between VAC. and VDC
measurements.
- A and V in the
harmonic
measurement
function Decreases the number of harmonics to be
measured.
Table 2. Rotary switch positions
Position Function
OFF OFF position.
A Measurement of AC current up to 100 A.
V Measurement of AC or DC voltage up to 600 V.
W Measurement of power of up to 60 kVA, with limit at 100 A
and 600 V.