Extech Instruments EX820 User Manual page 4

Description
Meter Description
1. Current clamp
2. Clamp opening trigger
3. HOLD
4. PEAK
5. RANGE
6. LCD Display
7. Test lead input jacks
8. IR thermometer and laser pointer (rear)
9. Backlight
10. Laser pointer button
11. Function switch
12. MIN/MAX
13. Mode
Display icons Description
HOLD
Minus sign
0 to 3999
ZERO
P
AUTO
DC/AC
MAX
MIN
mV or V
Ω
A
F
Hz
o o
F and C
n, m, µ, M, k
•
)
)
)
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Data Hold
Negative reading display
Measurement display digits
Zero
Peak value
Auto Range mode
Direct Current / Alternating
Current
Max reading
Min reading
Low battery
Milli-volts or Volts (Voltage)
Ohms (Resistance)
Amperes (Current)
Farad (Capacitance)
Hertz (Frequency)
Fahrenheit and Celsius units (Temperature)
Unit of measure prefixes: nano, milli, micro, mega, and kilo
Continuity test
Diode test
Laser pointer
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