METREL MD 9270 Manual De Instrucciones página 23

MD 9270 Leakage Clamp TRMS Meter with Power Function
Table 1. Keyboard
Key
HOLD
FUNC
HARM +
HARM -
Rotary switch
Table 2 shows information on the rotary switch positions.
Table 2: Rotary switch positions
Position Function
OFF Off position
mA
Measurement of AC current of up to 4000 mA
A Measurement of AC current of up to 150 A
V
Measurement of AC voltage of up to 600 V rms
W
Measurement of power of up to 2400 VA, with limits of 4 A and 600 V.
KW
Measurement of power of up to 90 KVA, with limits of 150 A and 600 V.
Use
Any position of the
rotary
Any position of the
rotary switch
mA, A and V in the
harmonc
measurement
function
mA, A and V in the
harmonic
measurement
function
Function
When pressing the key we access
the data switch retention mode and the
screen information is not updated. By
pressing it again, we access the MAX
mode for the register of maximum values.
By pressing it again, we access the MIN
mode for the register of minimum return to
the normal mode. With a long press of the
key (more than 2 seconds) the LCD
screen retro-illumination is lit up. After 10
seconds, it switches off automatically.
Function selection key. Depending upon
the switch position of the rotary switch,
the functions will vary, (refer to section 3).
Pressing this button cycles through the
various functions.
Increase the number of the harmonic to
be measured.
Decreases the number of the harmonic to
be measured
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Instrument Description