Fluke 187 Getting Started

True RMS Multimeter
Pushbuttons
7
Table 2. Pushbuttons
Button Description
Yellow Button
Function Description
Note
Press
O to access “Yellow Button Functions.” The O box and the 24-hour clock appear in the lower corners
of the display and the primary display freezes, allowing time to press a second button.
T
l
Press to turn backlight on or off. Also, in Setup, use
the arrow function (l) to select the previous digit or
item in a list.
SETUP
O T
Press to access Setup selections.
Press to store a Setup selection and
proceed to the next selection.
Q Press to freeze the displayed value. Press again to
release the display.
AutoHOLD
O Q
Press to begin AutoHOLD; the last
stable reading is displayed.
M Press to start retaining min, max, and average values.
Press successively to display max, min, and average
values. Press O N (CANCEL) to stop.
FAST MN MX
O M
Press to start FAST MN MX mode,
where min and max values for short
duration events are stored.
D Press to store the present reading as an offset
reference; subsequent readings show only the relative
difference from this value. Press again to show the
difference as a percentage of the reference.
LOGGING
O D
Press to start and stop Logging
(Model 189). Press O + N
(CANCEL) to stop.

Fluke 187 Specifications

General

Frequency Range	0.5 Hz to 1 MHz
Safety Rating	CAT III 1000V, CAT IV 600V
AC Voltage Range	0.1 mV to 1000 V
AC Current Range	0.1 µA to 10 A
DC Voltage Accuracy	±(0.025% + 2)
AC Voltage Accuracy	0.4% + 40 digits (True RMS)
Resistance Accuracy	±(0.05% + 2)
Temperature Range	-200°C to 1350°C
Operating Temperature	-20 °C to +55 °C
Battery Type	9V (NEDA 1604)