Controls And Jacks; Symbols And Annunciators - Extech Instruments 450 User Manual

Controls and Jacks

1. IR Thermometer and laser pointer
2. 2000 count LCD display
3. HOLD button
4. SELECT button
5. Function switch
6. mA, uA and A input jacks
7. COM input jack
8. Positive input jack
9. MAX hold button (voltage and current)
10. BACKLIGHT button
11. Laser pointer button
12. Protective holster
Note: Tilt stand and battery compartment are on rear of unit.

Symbols and Annunciators

•))) Continuity
Diode test
Laser pointer
Battery status
Test lead connection
error
µ micro (10
m milli (10
3
k kilo (10
M mega (10
MAX Maximum hold
AUTO Autoranging
HOLD Display hold
ºC Degrees Centigrade
-6
) (amps)
-3
) (volts, amps)
) (ohms)
6
) (ohms)
4
A Amps
F Farads (capacitance)
Ω
Ohms
V Volts
DC Direct current
ºF Degrees Fahrenheit
EX450V5.0V 10/06