Extech Instruments EX845 User Manual page 4

Description
Meter Description
1. Current clamp
2. Clamp opening trigger
3. Data Hold Button
4. Mode
5. Peak
6. Range
7. DCA Zero (EX830 only)
8. MIN/MAX
9. Backlit LCD Display
10. Test lead input jacks
11. IR thermometer and laser pointer (rear)
12. Bluetooth/Backlight Button
13. Laser pointer button
14. Function switch
Display icons Description
HOLD Data Hold
Minus sign Negative reading display
0 to 3999 Measurement display digits
ZERO Zero
P Peak value
AUTO Auto Range mode
DC/AC Direct Current / Alternating
Current
MAX Max reading
MIN Min reading
Low battery
mV or V Milli-volts or Volts (Voltage)
Ω
Ohms (Resistance)
A Amperes (Current)
F Farad (Capacitance)
Hz Hertz (Frequency)
o o
F and C Fahrenheit and Celsius units (Temperature)
n, m, μ, M, k
Unit of measure prefixes: nano, milli, micro, mega, and kilo
• ) Continuity test
)
)
Diode test
Laser pointer
Bluetooth active symbol
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