Prokit's Industries 303-150NCS User Manual

Page 5

FRONT PANEL DESCRIPTION

Display

3 1/2 digit, 7 segment, 15mm high LCD.
Back light (option)
When this button is pushed, the Back light of display is on. After
about 5 seconds, the Back light is self-off. The Back light is on
again, just push this button once.
Rotary switch
This switch is used to select functions and desired ranges as
well as to turn on/off the meter.
Hold button
When this button is pushed, the display will keep the last reading
and " " symbol will appear on the LCD until pushing it again.
"10A" jack
Plug in connector for red test lead for 10A measurement.
"COM" jack
Plug in connector for black (negative) test lead. "VΩmA" jack
Plug in connector for red (positive) test lead for voltage, resis-
tance and current (except 10A) measurements.

SPECIFICATIONS

Accuracy is specified for a period of one year after calibration and
at 18 to 8°C(6°F to 8°F) with relative humidity to 80%.

GENERAL

Maximum voltage between
terminals and earth ground : CAT II 600V
Fuse protection

: F 200mA/250V

Power

: 9V battery, NEDA 1604 or 6F22

Display

: LCD, 1999 counts, updates 2-3/sec.

Measuring method

: Dual-slope integration A/D converter

Overrange Indication

: Only figure "1" on the display

Polarity indication

: "-" displayed for negative polarity

Operating Environment

: 0 to 40ºC

Storage temperature

: -10ºC to 50ºC.

Low battery indication

: " " appears on the display

Size

: 138mm×69mm×31mm

Weight

: Approx.170g.

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