Features Description - Iso-Tech IDM 103N Instruction Manual

Features
Feature Description
The Meter has Features :
Display Hold – To freezes the display.
Min Max Hold – To record the Max or Min reading of the
display.
Peak – To record the Max or Min reading of the display.
REL △ – Press the REL Key to zero the display, and store
the displayed reading as a reference value.
HZ – If " HZ" switch is pushed in voltage or current
measurement mode, the meter enters frequency
counter mode with automatic range selection. There-
fore, pressing "RANGE" switch in
not change the frequency range. However, "RANGE"
switch changes the sensitivity of frequency detection.
If the input signal has a small amplitude, the user
shall increase the sensitivity.
Range – To select the manual ranging mode. The default
mode is Automatic Range.
RS232 – An optical isolated interface output for data com-
muncation.
Backligh – LCD display backlight.
APO (Auto Power Off) (Battery Sever) –
The Meter automatically enters "Sleep Mode" and blanks the
display if the Meter is not used for 30 minutes. Press any of the
feature buttons and change the rotary switch position will reset
the time of APO. When RS232 output is active the APO is
disabled.
21
Features
HZ mode does