Fluke 116 Manuale utente

116

True-rms Multimeter

Users Manual

July 2006 Rev. 2, 5/21 (English)

Specifications are subject to change without notice.

All product names are trademarks of their respective companies.

Introduction

The Fluke Model 116, is a battery-powered, true-rms multimeter (the Meter or Product) with a

6000-count display and a bar graph.

Contact Fluke

Fluke Corporation operates worldwide. For local contact information, go to our website:

www.fluke.com

To register your product, view, print, or download the latest manual or manual supplement, go

to our website.

Fluke Corporation

P.O. Box 9090

Everett, WA 98206-9090

+1-425-446-5500

fluke-info@fluke.com

Safety Information

General Safety Information is in the printed Safety Information document that ships with the

Product and at www.fluke.com. More specific safety information is listed where applicable.

A Warning identifies hazardous 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.

Unsafe Voltage

To alert you to the presence of a potentially hazardous voltage, the Zsymbol shows when the

Meter measures a voltage ≥30 V or a voltage overload (OL) condition. When making frequency

measurements >1 kHz, the Zsymbol is unspecified.

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Users Manual

Display

Table 1 shows the areas of the display.

Table 1. D isplay

Item Symbol Description

sThe Meter function is set to Continuity.

RThe Meter function is set to Diode Test

OInput is a negative value.

ZXUnsafe voltage. Measured input voltage ≥30 V, or voltage

overload condition (OL).

KDisplay hold enabled. Display freezes present reading.



MIN MAX AVG mode enabled.

Maximum, minimum, average or present reading displays

LoZ The Meter is measuring voltage or capacitance with a low input

impedance.

nµF mV µA

MkΩkHz Measurement units.

DC AC Direct current or alternating current

NBattery low warning.

610000 mV Indicates the Meter’s range selection.

(Bar graph) Analog display.



Auto Volts The Meter is in the Auto Volts function.

Auto Autoranging. The Meter selects the range for best resolution.

Manual Manual ranging. User sets the Meter’s range.

+Bar graph polarity

0L WThe input is too large for the selected range.

OPEn Thermocouple missing or defective when Temperature function

is selected.

15 16

True-rms Multimeter

Te r m i n a l s

Terminals

Table 2 is a list of terminals on the Meter.

Error Messages

Table 3 is a list of error messages for the Meter.

Table 2. Terminals

No. Description

Common (return) terminal for all measurements.

Input terminal for all measurements.

Table 3. Error Messages

Error Messages

bAtt Battery must be replaced before the Meter will operate.

CAL Err Calibration required. Meter calibration is required before the Meter will

operate.

EEPr Err Internal error. The Meter must be repaired before it will operate.

F11 Err Internal error. The Meter must be repaired before it will operate.

COM +

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Users Manual

Rotary Switch Positions

Table 4 is a list of the rotary switch positions and features.

Battery Saver™ (Sleep Mode)

If the Meter is ON, but inactive and not connected to voltage for more than 20 minutes, the

display goes blank to save battery life. To use the Meter, press any button or turn the rotary

switch. To disable the Sleep mode, see Power-Up Options. The Sleep mode is always disabled

in the MIN MAX AVG mode.

Table 4. Features

Switch Position Measurement Function

OFF The Meter is turned off.

xAutomatically selects ac or dc volts based on the sensed input with a low

impedance input.

eAC voltage from 0.06 V to 600 V.

Frequency from 5 Hz to 100 kHz.

DDC voltage from 0.001 V to 600 V.

lAC voltage from 6.0 to 600 mV, dc-coupled.

DC voltage from 0.1 to 600 mV.

ΩOhms from 0.1 Ωto 40 MΩ.

yTemperature from -40 °C to 400 °C (-40 °F to 752 °F) with K-type

thermocouple

sContinuity beeper turns on at <20 Ωand turns off at >250 Ω.

RDiode Test. Displays OL above 2.0 V.

SFarads from 1 nF to 9999 μF.

$DC current from 0.1 to 600 μA. AC current from 6.0 to 600 μA. DC-

coupled.

Note: All ac functions and Auto-V LoZ are true-rms. AC voltage is ac-coupled. Auto-V LoZ, AC mV

and AC amps are dc-coupled.

True-rms Multimeter

MIN MAX AVG Recording Mode

The MIN MAX AVG recording mode captures the minimum and maximum input values (ignoring

overloads), and calculates a running average of all readings. When the Meter detects a new

high or low, the Meter beeps.

Note

Autoranging and Battery Saver™ are disabled in MIN MAX AVG mode.

To s e t u p :

1. Select the measurement function and range.

2. Push pto enter MIN MAX AVG mode.

3. Mand MAX show on the display. The highest reading detected since entering MIN

MAX AVG shows on the display.

4. Push pto step through the low (MIN), average (AVG), and present readings.

5. To pause MIN MAX AVG recording without erasing stored values, push f. (Kshows

on the display.)

6. To resume MIN MAX AVG recording, push f again.

7. To exit and erase stored readings, push pfor at least one second, or turn the rotary

switch.

Display HOLD

XW Warning

To avoid electric shock, when Display HOLD is activated, be aware that the display

will not change when you apply a different voltage.

In the Display HOLD mode, the Meter freezes the display.

1. Push fto activate Display HOLD. (Kshows on the display.)

2. To exit and return to normal operation, push for turn the rotary switch.

Backlight

Push Qto toggle the backlight on and off.

The backlight automatically turns off after 40 seconds. To disable backlight auto-off, see

Power-Up Options.

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Users Manual

Manual and Autoranging

The Meter has both Manual and Autorange modes. The Meter defaults to Autorange. To toggle

between Manual and Autorange, push qfor 1 second.

• In the Autorange mode, the Meter selects the range with the best resolution.

• In the Manual Range mode, you override Autorange and select the range yourself. Push

qfor 1 second to enter Manual range. (Manual shows on the display.) Push qto

increment the range. After the highest range, the Meter wraps to the lowest range.

Note

You cannot manually change the range in the MIN MAX AVG or Display HOLD modes. If

you push qwhile in MIN MAX AVG or Display Hold, the Meter beeps twice,

indicating an invalid operation and the range does not change.

Power-Up Options

To select a Power-Up Option, hold down the button indicated in Ta b l e 5 while turning the Meter

from OFF to any other function. Power-Up Options are canceled when you turn off the Meter

and when sleep mode is activated.

Table 5. Power-Up Optio n s

Button Power-Up Options

fTurns on all display segments until button is released.

pDisables beeper. bEEP shows when enabled.

qEnables low impedance capacitance measurements. LCAP shows when

enabled.

gDisables Battery Saver™ (Sleep mode). PoFF shows when enabled.

QDisables auto backlight off. LoFF is displayed when enabled.

True-rms Multimeter

Making Basic Measurements

When connecting the test leads to the circuit or device, connect the common (COM) test lead

before connecting the live lead; when removing the test leads, remove the live lead before

removing the common test lead.

XW Warning

To prevent electric shock, injury, or damage to the Meter, disconnect circuit

power and discharge all high-voltage capacitors before testing resistance,

continuity, diodes, or capacitance.

Measuring Resistance

Testing for Continuity

Note

Use the continuity function as a fast, convenient method to check for opens and

shorts. For maximum accuracy in making resistance measurements, use the Meter’s

resistance (e)function.

RANGE

600 :

6 k:

60 k:

600 k:

6 M:

40 M:

116

Users Manual

Measuring AC and DC Voltage

Using Auto Volts Selection

With the function switch in the xposition, the Meter automatically selects a dc or ac voltage

measurement based on the input applied between the V or + and COM jacks.

This function also sets the Meter’s input impedance to approximately 3 kΩto reduce the

possibility of false readings due to ghost voltages.

Measuring AC and DC Millivolts

With the function switch in the lposition, the Meter measures ac plus dc millivolts. Press

gto set the Meter to dc millivolts.

V ac

V dc

mV ac

True-rms Multimeter

Making Basic Measurements

Measuring AC or DC Current

XW Warning

To avoid personal injury or damage to the Meter:

• Never attempt to make an in-circuit current measurement when the open-circuit

potential to earth is >600 V.

• Use the proper terminals, switch position, and range for your measurement.

To measure flame rectification circuits:

1. Turn the function switch to $.

2. Connect the Meter between the flame sensor probe and the control module.

3. Turn heating unit on and record μA measurement.

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