Fluke 27 User Manual

27
Users Manual
4
Operating Features
The following features are keyed by number to the
illustration inside the front cover.
A Digital Display
3200 count, liquid crystal display with automatic decimal
point positioning. Updated two times per second. When
the meter is first turned on, all display segments appear
while the instrument performs a brief power-up self-test.
B Function Selector Rotary Switch
Turn to select any of 10 different functions, or OFF. Refer
to the Specifications for available ranges and to Table 2
for input terminals and limits.
C Volts dc
J Millivolts dc
I Volts ac
F Millivolts ac
O Ohms (resistance), also conductance (1/e)
in nanosiemens (nS)
S Continuity or diode test
A Milliamps or amperes dc
M Microamps dc
E Milliamps or amperes ac
N Microamps ac
CT Volt, Ohms, Diode Test Input
Terminal
Input terminal used in conjunction with the volts, mV (ac
or dc), ohms, or diode test position of the function
selector rotary switch.
D COM Common Terminal
Common or return terminal used for all measurements.
E U Milliamp/Microamp Input Terminal
Input terminal used for current measurements up to 320
mA (ac or dc) with the function selector rotary switch in
the mA or µA positions.
F A Amperes Input Terminal
Input terminal used for current measurements up to 10A
continuous (20 A overload for 30 seconds) with the

Fluke 27 Specifications

General

Display Type	LCD
AC Voltage Range	0.1 mV to 1000 V
DC Voltage Range	0.1 mV to 1000 V
AC Current Range	0.1 μA to 10 A
DC Current Range	0.1 μA to 10 A
Battery Type	9V
Continuity	Yes
Diode Test	Yes
Safety Rating	CAT III 600V
AC Current Accuracy	±(1.5% + 2 digits)
Resistance Accuracy	±(0.2% + 1 digit)
DC Voltage Accuracy	±(0.1% + 1 digit)