EXTECH
INSTRUMENTS
EX850-en-GB_v2.4 7/16
4
Description
Meter
Description
1.
Current
clamp
2.
Clamp
opening
trigger
3.
Data
Hold
Button
4.
Mode
5.
Peak
6.
Range
7.
DCA
Zero
8.
MIN/MAX
9.
Backlit
LCD
Display
10.
Test
lead
input
jacks
11.
IR
thermometer
and
laser
pointer
(rear)
12.
Bluetooth
SEND/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
/
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
F
and
o
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