REED R5040 User manual

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1000A AC/DC

True RMS

Clamp Meter

Instruction

Manual

R5040

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Table of Contents

Introduction ................................................................................................... 3

Product Quality.............................................................................................. 3

Safety .........................................................................................................3-4

Features......................................................................................................... 4

Included......................................................................................................... 4

Specications.............................................................................................5-6

Instrument Description .................................................................................. 7

Display Description ....................................................................................... 7

Operating Instructions..............................................................................8-11

AC/DC Current Measurements ................................................................ 8

AC/DC Voltage Measurements................................................................. 8

Resistance Measurements ....................................................................... 8

Diode and Continuity Measurements ....................................................... 9

Capacitance Measurements..................................................................... 9

Frequency or % Duty Cycle Measurements............................................. 9

Temperature Measurements................................................................... 10

Non-Contact AC Voltage Measurements ............................................... 10

Min/Max Recording ................................................................................ 10

Relative Mode......................................................................................... 10

Data Hold ............................................................................................... 11

Auto and Manual Range......................................................................... 11

Battery Replacement................................................................................... 11

Applications................................................................................................. 11

Accessories and Replacement Parts .......................................................... 12

Product Care ............................................................................................... 12

Product Warranty ........................................................................................ 13

Product Disposal and Recycling ................................................................. 13

Product Support.......................................................................................... 13

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Introduction

Thank you for purchasing your REED R5040 1000A AC/DC True RMS

Clamp Meter. Please read the following instructions carefully before using

your instrument. By following the steps outlined in this manual your meter

will provide years of reliable service.

Product Quality

This product has been manufactured in an ISO 9001 facility and has

been calibrated during the manufacturing process to meet stated product

specications. If a certicate of calibration is required please contact the

nearest authorized REED distributor or authorized Service Center. Please

note an additional fee for this service will apply.

Safety

• Neverattempttorepairormodifyyourinstrument.Dismantlingyour

product, other than for the purpose of replacing batteries, may cause

damage that will not be covered under the manufacturer's warranty.

Servicing should only be provided by an authorized service center.

• Donotexceedthemaximumallowableinputrangeofanyfunction.

• Donotapplyvoltagetothemeterwhenresistancefunctionisselected.

• SetthefunctionswitchOFF when the meter is not in use.

• Setthefunctionswitchtotheappropriatepositionbeforemeasuring.

• Whenmeasuringvoltsdonotswitchtocurrent/resistancemodes.

• Whenchangingrangesusingtheselectorswitchalwaysdisconnectthe

test leads from the circuit under test.

• Donotexceedthemaximumratedinputlimits.

• Improperuseofthismetercancausedamage,shock,injuryordeath.

• Readandunderstandthisusermanualbeforeoperatingthemeter.

• Alwaysremovethetestleadsbeforereplacingthebattery.

• Inspecttheconditionofthetestleadsandthemeteritselfforany

damage before operating.

continued...

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• Removethebatteryifthemeteristobestoredforlongperiods.

• Alwaysdischargecapacitorsandremovepowerfromthedeviceunder

test before performing diode, resistance, or continuity tests.

• Voltagechecksonelectricaloutletscanbedifcultandmisleading

because of the uncertainty of connection to the recessed

electrical contacts.

• Iftheequipmentisusedinamannernotspeciedbythemanufacturer,

the protection provided by the equipment may be impaired.

Features

• MeasuresAC/DCcurrent/voltage,resistance,capacitance,frequency,

duty cycle, and temperature

• 50,000-countbacklitLCDdisplayandanalogbargraph

• Lowbatteryandoverrangeindicators

• Built-innon-contactvoltagedetectorwithLEDindicator

• TrueRMSACmeasurements

• Min/Max,displayholdandrelativemode

• Diodetestandcontinuitycheckfunctions

• Durabledoublemoldedplastichousing

• Cat.III600Vsafetyrating

Included

• TestLeads

• ThermocoupleWireProbe

• ThermocoupleAdapter

• SoftCarryingCase

• Battery

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Specifications

AC/DC Current

Range: 500, 1000A

Accuracy: AC: ±(2.8% rdg. +30 dgt.)

DC: ±(2.5% rdg. +30 dgt.)

Resolution: 0.01, 0.1, 1A

AC/DC Voltage

Range: AC:500mV,5,50,500,750V

 DC:500mV,5,50,500,1000V

Accuracy: AC: ±(1.0% rdg. +30 dgt.)

DC: ±(0.1% rdg. +4 dgt.)

Resolution: AC/DC:0.1mV,0.001,0.01,0.1,1V

Resistance

Range: 500Ω, 5, 50, 500kΩ, 5, 50MΩ

Accuracy: ±(1.0% rdg. +4 dgt.)

0.1Ω, 0.001, 0.01, 0.1kΩ, 0.001, 0.01MΩ

Capacitance

Range: 500, 5000nF, 50, 500µF, 5mF

Accuracy: ±(3.5% rdg. +10 dgt.)

Resolution: 0.01, 0.1nF, 0.01, 0.1μF, 0.1mF

Frequency

Range: 10kHz

Accuracy: ±(0.3% rdg. +2 dgt.)

Resolution: 0.001Hz

Temperature

Range: -148 to 1832°F (-100 to 1000°C)

Accuracy: ±(1.0% rdg. + 4.5°F)

±(1.0% rdg. + 2.5°C)

Resolution: 1°F, 1°C

continued...

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General Speciﬁcations

Range Selection: Autoranging/Manual

True RMS: Yes

Display: 50,000countLCDdisplay

Display Hold: Yes

Max/Min: Yes

Relative Mode: Yes

Diode Test: Yes

Backlit Display: Yes

Analog Bargraph: Yes (61-segment)

Continuity Check: Audible signal if resistance <35Ω

Duty Cycle: Yes

Non-ContactVoltageDetector: Yes

Autoshut Off: Yes (after 15 minutes)

PowerSupply: 9VBattery

LowBatteryIndicator: Yes

Jaw Opening: 1.5" (40mm), up to 500 MCM

OvervoltageCategory: CAT.III600V

Product Certications: CE

Operating Temperature: 32 to 122°F (0 to 50°C)

Storage Temperature: -4 to 140°F (-20 to 60°C)

Dimensions: 9.1x3.0x1.5"(232x77x39mm)

Weight: 9.6oz (271g)

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Instrument Description

1. Current Clamp

2. Non-ContactACVoltage

IndicatorLight

3. Clamp Trigger

4. Data Hold and Backlight Button

5. Rotary Function Switch

6. Hz% Hold Button

7. RANGESelectButton

8. MODE Select Button

9. Relative Button

10.MIN/MAXHoldButton

11.LCDDisplay

12. COM Input Jack

13. Positive Input Jack

Display Description

1. AC/DC Indicator

2. NegativeReadingIndicator

3. 50,000 Count Main Display

4. Analog Bargraph

5. Units of Measurement

6. Audible Continuity Indicator

7. Diode Test Mode Indicator

8. Relative Mode Indicator

9. Max/MinModeIndicator

10. Data Hold Indicator

11. Auto Range Mode Indicator

R5040

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Operating Instructions

AC/DC Current Measurements

1. Set the rotary function switch to the

1000ADC, 600ADC, 1000AAC, or

600AAC range. If the range needed

is not known, select the higher range

rst then move to the lower range if

necessary.

2. Pressthetriggertotheopenjawand

fully enclose one conductor.

3. TheLCDwilldisplaythereading.

AC/DC Voltage Measurements

1. Insert the black test lead into the negative COM terminal and the red

testleadintothepositiveVterminal.

2. SettherotaryfunctionswitchtotheVposition,andselecteitherAC

or DC with the MODE button.

3. SelectHz%orACVwiththeHz% button.

4. Connect the test leads in parallel to the circuit under test.

5. TheLCDwilldisplaythereading.

Resistance Measurements

1. Insert the black test lead into the negative COM terminal and the red

testleadintothepositiveVterminal.

2. Set the rotary function switch to the Ω position.

3. Touch the test probe tips across the circuit or component under test.

It is best to disconnect one side of the device under test so the rest

of the circuit will not interfere with the reading.

4. TheLCDwilldisplaythereading.

continued...

R5040 R5040

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Diode and Continuity Measurements

1. Insert the black test lead into the negative COM terminal and the red

testleadintothepositiveVdiodeterminal.

2. Turn the rotary function switch to the Ω position. Press the MODE

button until the Diode Test indicator appears on the display.

3. Touch the test probes to the diode under test. Forward voltage will

indicate0.4Vto0.7V.Reversevoltagewillbeindicatedby"OL".

Shorteddeviceswillindicatenear0mVandanopendevicewillbe

indicatedby"OL"inbothpolarities.Forcontinuitytests,ifthe

resistance is <40Ω, a tone will sound.

Capacitance Measurements

1. To avoid electric shock, disconnect power to the unit under test and

discharge all capacitors before taking any capacitance measurements.

Remove the batteries and unplug the line cords.

2. Set the rotary function switch to the CAP position.

3. Insert the black test lead into the negative COM terminal and the red

testleadintothepositiveVterminal.

4. Touch the test leads to the capacitor under test.

5. TheLCDwilldisplaythereading.

Frequency or % Duty Cycle Measurements

1. SettherotaryfunctionswitchtotheVposition.

2. SelectACVwiththeMODE button and press the Hz/% button to

indicate "Hz" in the display.

3. Insert the black test lead into the negative COM terminal and the red

testleadintothepositiveVterminal.

4. Touch the test probe tips to the circuit under test.

5. TheLCDwilldisplaythereading.

continued...

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Temperature Measurements

1. To avoid electric shock, disconnect both test probes from any source

of voltage before making a temperature measurement.

2. Set the function switch to TEMP. Press the MODE button to change

between °C and °F.

3. Insert the Temperature Probe into the negative COM and the

positiveVterminals,makingsuretoobservethecorrectpolarity.

4. Touch the Temperature Probe head to the area to be measured. Keep

the probe touching the part under test until the reading stabilizes

(about 30 seconds).

5. TheLCDwilldisplaythereading.

Note: To avoid electric shock, be sure the thermocouple has been removed

before changing to another function.

Non-Contact AC Voltage Measurements

1. SettherotaryfunctionswitchtotheVposition.

2. Touch the probe tip to the hot conductor or insert into the hot side of

the electrical outlet. If AC voltage is present, the detector will light up.

3. The conductors in electrical cord sets are often twisted. For best

results, rub the probe tip along a length of the cord to assure placing

thetipincloseproximitytotheliveconductor.

4. The detector is designed with high sensitivity. Static electricity or

other sources of energy may randomly trip the sensor.

Min/Max Recording

WhileinManualRange,selecttheproperrangebeforeselectingMIN/MAX

toensurethattheMIN/MAXreadingwillnotexceedthetestingrange.

Press the MIN/MAX button to select the minimum reading. Press the

MIN/MAXbuttonagaintoselectthemaximumreading.PresstheMIN/

MAXbuttonagaintoexitandresumenormalmeasuring.

Relative Mode

Press the RELbuttonforCapacitanceZero&OffsetAdjustment.

continued...

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