Fluke 115C Manuale utente

PN 2538695

July 2006, Rev. 1, 2/07

All product names are trademarks of their respective companies.

115C and 117C

True-rms Multimeters

Users Manual

115C and 117C

Users Manual

Safety Information

A "XWWarning" statement identifies hazardous conditions and actions that could cause bodily harm or death.

A "WCaution" statement identifies conditions and actions that could damage the Meter or the equipment under test.

To avoid possible electric shock or personal injury, follow these guidelines:

•Use the Meter only as specified in this manual or the protection provided by the Meter might

be impaired.

•Do not use the Meter or test leads if they appear damaged, or if the Meter is not operating

properly.

•Always use proper terminals, switch position, and range for measurements.

•Verify the Meter's operation by measuring a known voltage. If in doubt, have the Meter

serviced.

•Do not apply more than the rated voltage, as marked on Meter, between terminals or

between any terminal and earth ground.

•Use caution with voltages above 30 V ac rms, 42 V ac peak, or 60 V dc. These voltages pose

a shock hazard.

•Disconnect circuit power and discharge all high-voltage capacitors before testing

resistance, continuity, diodes, or capacitance.

•Do not use the Meter around explosive gas or vapor.

•When using test leads or probes, keep your fingers behind the finger guards.

•Only use test leads that have the same voltage, category, and amperage ratings as the meter

and that have been approved by a safety agency.

•Remove test leads from Meter before opening the battery door or Meter case.

True-rms Multimeters

Safety Information

•Comply with local and national safety requirements when working in hazardous locations.

•Use proper protective equipment, as required by local or national authorities when working

in hazardous areas.

•Avoid working alone.

•Use only the replacement fuse specified or the protection may be impaired.

•Check the test leads for continuity before use. Do not use if the readings are high or noisy.

•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)(117 only).

Symbols

BAC (Alternating Current) IFuse

FDC (Direct Current) TDouble Insulated

XHazardous voltage WImportant Information; Refer to manual

NBattery (Low battery when shown on the

display.) JEarth ground

~Do not dispose of this product as unsorted

municipal waste. Contact Fluke or a

qualified recycler for disposal.

DAC and DC

115C and 117C

Users Manual

Display

VoltAlert

17 18

16 15

edy02f.eps

No. Symbol Meaning Model

AwThe Meter is in the VoltAlert™ non-contact voltage detect mode. 117C

BsThe Meter function is set to Continuity. 115C & 117C

CRThe Meter function is set to Diode Test 115C & 117C

DOInput is a negative value. 115C & 117C

EYXUnsafe voltage. Measured input voltage ≥30 V, or voltage

overload condition (OL). 115C & 117C

True-rms Multimeters

Display

FKDisplay hold enabled. Display freezes present reading. 115C & 117C

VWX

MIN MAX AVG mode enabled.

Maximum, minimum, average or present reading displayed 115C & 117C

H(Red LED) Voltage presence through the non-contact VoltAlert sensor 117C

ILoZ The Meter is measuring voltage or capacitiance with a low input

impedance. 115C & 117C

JnµF mVµA

MkΩkHz Measurement units. 115C & 117C

KDC AC Direct current or alternating current 115C & 117C

LNBattery low warning. 115C & 117C

M610000 mV Indicates the Meter’s range selection. 115C & 117C

N(Bar graph) Analog display. 115C & 117C

OAuto Volts

Auto

Manual

The Meter is in the Auto Volts function.

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

Manual ranging. User sets the Meter’s range.

117C

115C & 117C

P+Bar graph polarity 115C & 117C

Q0L WThe input is too large for the selected range. 115C & 117C

RLEAd WTest lead alert. Briefly displayed whenever the Meter’s

function switch is rotated to or from any A position. 115C & 117C

115C and 117C

Users Manual

Terminals

10 A

FUSED

COM V

edy01f.eps

No. Description Model

AInput terminal for measuring ac and dc current to 10 A. 115C & 117C

BCommon (return) terminal for all measurements. 115C & 117C

CInput terminal for measuring voltage, continuity, resistance, capacitance,

frequency and testing diodes. 115C & 117C

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.

True-rms Multimeters

Rotary Switch Positions

Switch

Position Measurement Function Model

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

impedance input. 117C

Hz (button)

AC voltage from 0.06 mV to 600 V.

Frequency from 5 Hz to 50 kHz.

115C & 117C

DDC voltage from .001 V to 600 V. 115C & 117C

lAC voltage from 6.0 to 600 mV, dc-coupled. DC voltage from 0.1 to 600 mV. 115C & 117C

ΩOhms from 0.1 Ωto 40 MΩ. 115C & 117C

sContinuity beeper turns on at <20 Ωand turns off at >250 Ω. 115C & 117C

RDiode Test. Displays OL above 2.0 V. 115C & 117C

SFarads from 1 nF to 9999 μF. 115C & 117C

Hz (button)

AC current from 0.1 to 10 A (>10 to 20 A, 30 seconds on, 10 minutes off).

>10.00 A display flashes. >20 A, OL is displayed. DC-coupled.

Frequency from 45 Hz to 5 kHz.

115C & 117C

IDC current from 0.001 A to 10 A (>10 to 20 A, 30 seconds on, 10 minutes off).

>10.00 A display flashes. >20 A, OL is displayed. 115C & 117C

wNon-contact sensing of ac voltage. 117C

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.

115C and 117C

Users Manual

Battery Saver ("Sleep Mode")

The Meter automatically enters "Sleep mode" and blanks

the display if there is no function change, range change, or

button press for 20 minutes. Pressing any button or

turning the rotary switch awakens the Meter. To disable the

Sleep mode, hold down the gbutton while turning the

Meter on. The Sleep mode is always disabled in the MIN

MAX AVG mode.

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 a new

high or low is detected, the Meter beeps.

•Put the Meter in the desired measurement function and

range.

•Press pto enter MIN MAX AVG mode.

•Mand MAX are displayed and the highest

reading detected since entering MIN MAX AVG is

displayed.

•Press pto step through the low (MIN), average

(AVG), and present readings.

•To pause MIN MAX AVG recording without erasing

stored values, press f. Kis displayed.

•To resume MIN MAX AVG recording, press fagain.

•To exit and erase stored readings, press pfor at

least one second or turn the rotary switch.

Display HOLD

XWWarning

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. Press fto activate Display HOLD. (Kis

displayed.)

2. To exit and return to normal operation, press for

turn the rotary switch.

Backlight

Press Qto toggle the backlight on and off. The backlight

automatically turns off after 40 seconds. To disable

backlight auto-off, hold down Qwhile turning the Meter

on.

Manual and Autoranging

The Meter has both Manual and Autorange modes.

•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.

True-rms Multimeters

Power-Up Options

When you turn the Meter on, it defaults to Autorange and

Auto is displayed.

1. To enter the Manual Range mode, press q.

Manual is displayed.

2. In the Manual Range mode, press 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 press qwhile in MIN MAX AVG or

Display Hold, the Meter beeps twice, indicating

an invalid operation, and the range does not

change.

3. To exit Manual Range, press qfor at least 1 second

or turn the rotary switch. The Meter returns to

Autorange and Auto is displayed.

Power-Up Options

To select a Power-Up Option, hold down the button

indicated in the following table while turning the Meter on.

Power-Up Options are canceled when you turn the Meter

off and when sleep mode is activated.

Button Power-Up Options

fTurns on all display segments.

pDisables beeper. bEEP is displayed when

enabled.

qEnables low impedance capacitance

measurements. LCAP is displayed when

enabled. See page 14.

gDisables automatic power-down ("Sleep

mode"). PoFF is displayed when enabled.

QDisables auto backlight off. LoFF is

displayed when enabled.

Making Basic Measurements

The figures on the following pages show how to make

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.

115C and 117C

Users Manual

Measuring Resistance

edy04f.eps

XWWarning

To avoid electric shock, injury, or

damage to the Meter, disconnect

circuit power and discharge all high-

voltage capacitors before testing

resistance, continuity, diodes, or

capacitance.

Testing for Continuity

edy06f.eps

Note

The continuity function works best 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.

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