Clamp-on Meter Models 501 and 503
13
CHAPTER 4
OPERATION
4.1 Functions
4.1.1 Data Hold
•
The last reading may be held on the display by pressing
the
Hold
button. The symbol will be displayed.
•
When the held data is no longer needed, release the
hold function by pressing the
Hold
button again.
4.1.2 Manual Range Mode
(Model 503 only)
•
The Model 503 operates in an Auto-ranging mode
(
AUTO
displayed) by default. Manual-ranging in V
(400V, 600V), and A (40A, 400A) is available.
Press and hold the
RANGE
button. When the range
changes (decimal point shift), release the button.
•
The symbol is displayed in the manual range mode.
•
Press and hold the
RANGE
button for more than 2 sec-
onds to re-enter the Auto-ranging mode.
4.1.3 (Relative) Zero Mode
(Model 503 only)
•
Press the
ZERO
button to enter the Zero mode - the
symbol turns on and the display is set to zero.
•
To view the offset value, press the
ZERO
button again.
The annunciator blinks and the memorized offset
value will be displayed. This value will be subtracted from
the next measurement.
•
When the zero mode is activated, the meter automati
-
cally enters the manual range mode (the auto-range
function will be disabled).
•
Press and hold down the
ZERO
button for 2 seconds
to exit.
Summary of Contents for 501N
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Page 28: ...26 Clamp on Meter Models 501 and 503 NOTES...
Page 54: ...52 Medidores de Tenaza Modelos 501 503 NOTAS...
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