Fluke 110 PLUS User manual

PN 4750658
December 2015
© 2015 Fluke Corporation. All rights reserved.
Specifications are subject to change without notice. All product names are trademarks of their respective companies.
110 PLUS and 115
True-rms Multimeters
Users Manual

LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three years from the
date of purchase. This warranty does not cover fuses, disposable batteries, or damage from acci-
dent, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
Resellers are not authorized to extend any other warranty on Fluke’s behalf. To obtain service
during the warranty period, contact your nearest Fluke authorized service center to obtain return
authorization information, then send the product to that Service Center with a description of the
problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS
FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE
FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES,
ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the
exclusion or limitation of an implied warranty or of incidental or consequential damages, this limi-
tation of liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99

i
Table of Contents
Title Page
Introduction.................................................................................................. 3
Contacting Fluke ......................................................................................... 3
Unsafe Voltage............................................................................................ 3
Test Lead Alert............................................................................................ 3
Safety Information ....................................................................................... 4
Display ........................................................................................................ 7
Terminals..................................................................................................... 9
Rotary Switch Positions............................................................................... 10
Battery Saver(Sleep Mode) ..................................................................... 11
MIN MAX AVG Recording Mode ................................................................. 11
Display HOLD.............................................................................................. 11
Backlight...................................................................................................... 11
Manual and Autoranging ............................................................................. 11
Power-Up Options....................................................................................... 12
Making Basic Measurements ...................................................................... 13
Measuring Resistance ............................................................................. 13
Testing for Continuity............................................................................... 14

110 PLUS and 115
Users Manual
ii
Measuring AC and DC Voltage............................................................... 14
Using Auto Volts Selection (110 PLUS only) .......................................... 14
Measuring AC and DC Millivolts.............................................................. 15
Measuring AC or DC Current (115 only)................................................. 15
Measuring Current above 10 Amps ........................................................ 16
Measuring Capacitance (115 only) ......................................................... 17
Measuring Frequency (115 only) ............................................................ 17
Low Impedance Capacitance Measurements (115 only) ....................... 18
Testing Diodes (115 only)........................................................................... 18
Using the Bargraph..................................................................................... 19
Testing the Fuse (115 only)........................................................................ 19
Maintenance............................................................................................... 20
Replacing the Battery and Fuse.............................................................. 20
Cleaning.................................................................................................. 21
General Specifications................................................................................ 22

1
True-rms Multimeters
Introduction
The Fluke 110 PLUS and 115 are battery-powered, true-
rms multimeters (hereafter "the Meter" or the “Product”) with
a 6000-count display and a bar graph. This manual applies
to all models. All figures show the 115.
Contacting Fluke
To contact Fluke, call:
USA: 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: [phone]
Japan: [phone]
Singapore [phone]
Anywhere in the world: [phone]
Or, visit Fluke's website at www.fluke.com.
To register your product, visit http://register.fluke.com.
To view, print, or download the latest manual supplement,
visit http://us.fluke.com/usen/support/manuals.
Unsafe Voltage
The hazardous voltage warning ( Y) shows on the display
when the Meter detects a voltage ≥30 V or a voltage
overload (OL) condition. When making frequency
measurements >1 kHz, the Ysymbol is unspecified.
Test Lead Alert
XW Warning
Personal injury or damage to the Meter can
occur if you attempt to make a measurement
with a lead in an incorrect terminal.
To remind you to check that the test leads are in the
correct terminals,  is briefly displayed and an audible
beep sounds when you move the rotary switch to or
from any A(Amps) position.

110 PLUS and 115
Users Manual
2
Safety Information
A Warning identifies conditions and procedures that are dangerous to the user. A Caution identifies conditions and procedures that can
cause damage to the Product or the equipment under test.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
•Read all safety information before you use the Product.
•Carefully read all instructions.
•Do not use the Product around explosive gas, vapor, or in damp or wet environments.
•Comply with local and national safety codes. Use personal protective equipment (approved rubber gloves,
face protection, and flame-resistant clothes) to prevent shock and arc blast injury where hazardous live
conductors are exposed.
•Examine the case before you use the Product. Look for cracks or missing plastic. Carefully look at the
insulation around the terminals.
•Do not use test leads if they are damaged. Examine the test leads for damaged insulation and measure a
known voltage.
•Limit operation to the specified measurement category, voltage, or amperage ratings.
•Use the correct terminals, function, and range for measurements.
•Do not touch voltages > 30 V ac rms, 42 V ac peak, or 60 V dc.
•Do not exceed the Measurement Category (CAT) rating of the lowest rated individual component of a
Product, probe, or accessory.
•Use Product-approved measurement category (CAT), voltage, and amperage rated accessories (probes,
test leads, and adapters) for all measurements.

True-rms Multimeters
Safety Information
3
•Do not apply more than the rated voltage, between the terminals or between each terminal and earth
ground.
•Remove all probes, test leads, and accessories that are not necessary for the measurement.
•Do not use in CAT III or CAT IV environments without the protective cap installed on test probe. The
protective cap decreases the exposed probe metal to <4 mm. This decreases the possibility of arc flash
from short circuits.
•Do not work alone.
•Measure a known voltage first to make sure that the Product operates correctly.
•Replace the batteries when the low battery indicator shows to prevent incorrect measurements.
•Remove the batteries if the Product is not used for an extended period of time, or if stored in temperatures
above 50 °C. If the batteries are not removed, battery leakage can damage the Product.
•Remove all probes, test leads, and accessories before the battery door is opened.
•The battery door must be closed and locked before you operate the Product.
•Do not use the Product if it operates incorrectly.
•Disable the Product if it is damaged.
•Use the Product only as specified, or the protection supplied by the Product can be compromised.
WCaution
Do not use the Auto Volts function to measure voltages in circuits that could be damaged by this function’s low
input impedance (≈3 kΩ) (110 PLUS only).

110 PLUS and 115
Users Manual
4
Symbols
XWARNING. HAZARDOUS VOLTAGE. Risk of
electric shock. WWARNING - RISK OF DANGER. Consult user documentation.
AC (Alternating Current) Fuse
DC (Direct Current) TDouble Insulated
Battery (Low battery when shown on the display.) Earth
PConforms to European Union directives. Both direct and alternating current
ÃConforms to relevant South Korean EMC Standards.
Measurement Category II is applicable to test and measuring circuits connected directly to utilization points (socket outlets
and similar points) of the low-voltage MAINS installation.
Measurement Category III is applicable to test and measuring circuits connected to the distribution part of the building’s
low-voltage MAINS installation.
Measurement Category IV is applicable to test and measuring circuits connected at the source of the building’s low-voltage
MAINS installation.
~This product complies with the WEEE Directive marking requirements. The affixed label indicates that you must not discard
this electrical/electronic product in domestic household waste. Product Category: With reference to the equipment types in
the WEEE Directive Annex I, this product is classed as category 9 "Monitoring and Control Instrumentation" product. Do not
dispose of this product as unsorted municipal waste.

True-rms Multimeters
Display
5
Display
9
6
15 16
10
11
12
7
5
4
3
2
1
14
13
8
edy02f.eps
No. Symbol Meaning Model
The Meter function is set to Continuity. 110 PLUS, 115
The Meter function is set to Diode Test 115
Input is a negative value. 110 PLUS, 115
YXHazardous voltage. Measured input voltage ≥30 V, or voltage overload
condition (OL). 110 PLUS, 115
Display hold enabled. Display freezes present reading. 110 PLUS, 115

110 PLUS and 115
Users Manual
6

 MIN MAX AVG mode enabled. Maximum, minimum, average or present reading displayed 110 PLUS, 115
LoZ The Meter is measuring voltage or capacitance with a low input impedance. 110 PLUS, 115
nµF mVµA
MkΩkHz Measurement units. 110 PLUS, 115
DC AC Direct current or alternating current 115
Battery low warning. 110 PLUS, 115
610000 mV Indicates the Meter’s range selection. 110 PLUS, 115
(Bar graph) Analog display. 110 PLUS, 115
Auto Volts
Auto
Manual
The Meter is in the Auto Volts function.
Autoranging. The Meter selects the range for best resolution.
Manual ranging. User sets the Meter’s range.
110 PLUS
110 PLUS, 115
110 PLUS, 115
Bar graph polarity 110 PLUS, 115
 WThe input is too large for the selected range. 110 PLUS, 115
 WTest lead alert. Briefly displayed whenever the Meter’s function switch is
rotated to or from any A position. 115