Mastech MS8250A Operation Manual page 4

MS8250A/B Digital Multimeter
Description
⑹ Input socket
⑺ Non-contact voltage induction area
2.2 Switch, button and input jack description
HOLD key: used for reading hold.
FUNC key: used for measuring function switch.
RANGE key: used for switching automatic measuring range or manual
measuring range.
REL key: used for switching relative to measuring function.
Hz% key: used for duty ratio and frequency measurement function switch.
Backlight key: turn on backlight
OFF position: used for shutting off the power.
Jack: voltage, resistance, frequency, duty ratio, capacitance,
diode, circuit connection input wire connecting terminal.
Jack: common wire connecting terminal
Jack: μA and mA current input terminal.
Jack: 20A current input terminal.
2.3 LCD display
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MS8250A/B Digital Multimeter
Description
AC
DC
Diode
Audible continuity
AUTO Automatic measuring range mode
MAX Maximum measurement state
MIN Minimum measurement state
Low battery
% Percentage (duty ratio)
Hz, kHz Hertz, Kilohertz (frequency)
mV, V Millivolt, Volt (voltage)
μA, mA, A
Ampere (current)
nF, μF, mF
Microfarad, Millifarad (capacitance)
Ω, kΩ, MΩ
Ohm, Kilohm, Megohm (resistance)
REL Relative measurement mode
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