Phau Ntawv Qhia

FRONT PANEL DESCRIPTION
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Display
3 1/2 digit, 7 segment, 15mm high LCD.
Back light (only for MAS830L)
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.
“VWmA” jack
Plug in connector for red (positive) test lead for voltage,
resistance and current (except 10A) measurements.
“COM” jack
Plug in connector for black (negative) test lead.
“10A” jack
Plug in connector for red test lead for 10A measurement.
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.
SPECIFICATIONS
Accuracy is specified for a period of one year after calibration and at
18 to 28℃(64°F to 82°F) with relative humidity to 80%.
GENERAL
Maximum voltage between
terminals and earth ground
:CATⅡ600V
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 40℃
-4-