UEi ATTPC3 - Symbols; Category Definitions

5
SYMBOLS
AC (Alternating Current) DC (Direct Current)
Negative DC AC/DC Voltage or Current
Auto-Ranging Overload: Range Exceeded
Auto Power Off Active Non-Contact Voltage
Low Battery Hold/Capture Value
Minimum Measured Value
Displayed
Maximum Measured Value
Displayed
Duty Cycle Hertz/Frequency
Voltage Amperage
Ohms/Resistance Diode
Capacitance Mode In
Nanofarads or Microfarads
nF
Nanofarad
Microfarad Microamps
Degrees Fahrenheit Degrees Celsius
Continuity Mega (X10
6
or 1,000,000)
Milli (X10
-3
or 0.001) Kilo (X10
3
or 1,000)
Nano (X10
-9
or 0.000000001) Micro (X10
-6
or 0.000001)
Warning or Caution Ground
Dangerous Levels
Double Insulation
(Protection To Class II)
Safe for Disconnect
from Live Conductors
CATEGORY RATING DEFINITIONS
Measurement
Category
Short-Circuit
(typical) kA
a
Location in the
building installation
II < 10 Circuits connected to mains socket
outlets and similar points in the MAINS
installation
III < 50 Mains distributions parts of the building
IV > 50 Source of the mains installation in the
building
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