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FLIR

 

CM72_CM74

 

USER

 

MANUAL

                                                          

Document

 

Identifier:

 

CM72_CM74

‐

en

‐

US_AA

 

12

5.

 

Operation

 

Note:

 

Before

 

operating

 

the

 

device,

 

you

 

must

 

read,

 

understand,

 

and

 

follow

 

all

 

instructions,

 

dangers,

 

warnings,

 

cautions,

 

and

 

notes.

 

Note:

 

When

 

the

 

meter

 

is

 

not

 

in

 

use,

 

the

 

function

 

switch

 

should

 

be

 

set

 

to

 

the

 

OFF

 

position.

 

Note:

 

When

 

connecting

 

the

 

probe

 

leads

 

to

 

the

 

device

 

under

 

test,

 

connect

 

the

 

negative

 

lead

 

before

 

connecting

 

the

 

positive

 

lead.

 

When

 

removing

 

the

 

probe

 

leads,

 

remove

 

the

 

positive

 

lead

 

before

 

removing

 

the

 

negative

 

lead.

 

5.1

 

Powering

 

the

 

Meter

 

1.

 

Set

 

the

 

function

 

switch

 

to

 

any

 

position

 

to

 

switch

 

the

 

meter

 

ON.

 

2.

 

If

 

the

 

battery

 

indicator

   

shows

 

that

 

the

 

battery

 

voltage

 

is

 

low

 

or

 

if

 

the

 

meter

 

does

 

not

 

power

 

on,

 

replace

 

the

 

batteries.

 

See

 

section

 

6.2

 

Battery

 

replacement

.

  

 

5.1.1

 

Auto

 

Power

 

Off

   

The

 

meter

 

enters

 

sleep

 

mode

 

after

 

10

 

minutes

 

of

 

inactivity.

 

The

 

meter

 

beeps

 

three

 

times

 

before

 

powering

 

off.

 

Press

 

any

 

button

 

or

 

turn

 

the

 

function

 

switch

 

to

 

prevent

 

the

 

meter

 

from

 

powering

 

off.

 

The

 

auto

 

power

 

off

 

time

‐

out

 

is

 

then

 

reset.

 

To

 

disable

 

auto

 

power

 

off

 

press

 

the

 

MODE

 

button

 

while

 

turning

 

the

 

meter

 

ON.

 

The

 

APO

 

icon

 

 

is

 

displayed

 

when

 

APO

 

is

 

active.

 

5.2

 

Auto/Manual

 

Range

 

Mode

 

In

 

Auto

 

range

 

mode,

 

the

 

meter

 

automatically

 

selects

 

the

 

most

 

appropriate

 

measurement

 

scale.

 

In

 

Manual

 

range

 

mode,

 

the

 

desired

 

range

 

(scale)

 

can

 

be

 

set

 

manually.

 

Auto

 

range

 

mode

 

is

 

the

 

default

 

mode

 

of

 

operation.

 

When

 

a

 

new

 

function

 

is

 

selected

 

with

 

the

 

function

 

switch,

 

the

 

starting

 

mode

 

is

 

Auto

 

range

 

and

 

the

 

 

indicator

 

is

 

displayed.

 

To

 

enter

 

Manual

 

range

 

mode,

 

press

 

the

 

RANGE

 

button.

 

To

 

change

 

the

 

range,

 

press

 

the

 

RANGE

 

button

 

repeatedly

 

until

 

the

 

desired

 

range

 

is

 

displayed.

 

To

 

return

 

to

 

Auto

 

range

 

mode

 

from

 

Manual

 

mode,

 

press

 

and

 

hold

 

the

 

RANGE

 

button

 

until

 

the

 

 

indicator

 

is

 

displayed.

 

5.3

 

HOLD

 

Mode

 

1. 

In

 

Hold

 

mode,

 

the

 

display

 

freezes

 

the

 

last

 

reading

 

and

 

continues

 

to

 

display

 

this

 

value.

 

2. 

Press

 

the

 

HOLD

 

button

 

to

 

toggle

 

between

 

Normal

 

and

 

Hold

 

modes.

 

In

 

Hold

 

mode,

 

the

 

 

indicator

 

is

 

displayed.

 

Содержание CM72

Страница 1: ...USER MANUAL FLIR CM72 and CM74 CLAMP METERS CM72 600A True RMS AC Clamp Meter CM74 600A True RMS AC DC Clamp Meter...

Страница 2: ...on Switch 9 4 3 Function Buttons 9 4 4 Display Icons and Indicators 10 5 OPERATION 12 5 1 Powering the Meter 12 5 1 1 Auto Power Off 12 5 2 Auto Manual Range Mode 12 5 3 HOLD Mode 12 5 4 Voltage and C...

Страница 3: ...17 5 5 Resistance Measurements 18 5 6 Continuity Test 18 5 7 Capacitance Measurements 19 5 8 Diode Test 20 6 MAINTENANCE 21 6 1 Cleaning and Storage 21 6 2 Battery Replacement 21 7 SPECIFICATIONS 22 7...

Страница 4: ...nced herein are used for identification only and are the property of their respective owners 1 2 Quality Assurance The Quality Management System under which these products are developed and manufactur...

Страница 5: ...isconnect the test leads from the circuit that you did a test on before you change the range If you do not do this damage to the instrument and injury to persons can occur Do not replace the batteries...

Страница 6: ...cause damage to the protection This symbol adjacent to another symbol or terminal indicates that the user must refer to the manual for further information This symbol adjacent to a terminal indicates...

Страница 7: ...acklit display Work light Auto Range True RMS AC 600 A capability and selection CM72 Auto Range True RMS AC DC 600 A capability and selection CM74 Auto Range True RMS AC DC 600 V capability and select...

Страница 8: ...utton only CM72 4 Function switch 5 COM negative Probe Input jack 6 Positive Probe Input jack 7 DCA Zero and Inrush button CM74 only Work light button CM72 8 MIN MAX HOLD button 9 AUTO RANGE Button 10...

Страница 9: ...Buttons Select AC or DC in the Voltage Current modes Select Diode or Capacitance Continuity or Resistance Select Hz in the AC Voltage Current FLEX modes Select Auto or Manual range mode see section 5...

Страница 10: ...to range mode Indicates that the meter is in Hold mode Indicates the battery voltage status Indicates that the auto power off function is enabled Indicates that the measured voltage is greater than 30...

Страница 11: ...rad Unit of measure for Capacitance Hertz Unit of measure for Frequency 103 kilo 10 3 milli 10 6 micro VFD mode icon CM74 only DC Zero mode icon CM74 only Inrush current mode icon CM74 only Flex Clamp...

Страница 12: ...wering off Press any button or turn the function switch to prevent the meter from powering off The auto power off time out is then reset To disable auto power off press the MODE button while turning t...

Страница 13: ...n 5 2 Auto Manual range mode 4 Insert the black probe lead into the negative COM terminal and the red probe lead into the positive V terminal 5 Connect the probe leads in parallel to the part under te...

Страница 14: ...aws refer to Figure 5 2 Figure 5 2 Correct and incorrect setup 1 Ensure that the probe leads are disconnected from the meter 2 Set the function switch to the A position 3 To manually select AC or DC p...

Страница 15: ...s the highest AC current reading in the first 100ms period after the trigger point current detection threshold is reached see Fig 5 3 below The current detection threshold is 0 5A for the 60 00A range...

Страница 16: ...HOLD button to access the MIN MAX mode 2 The first screen will be the MIN screen The down arrow will appear indicating MIN mode and the displayed reading will represent the lowest reading encountered...

Страница 17: ...rent measurements made by the FLEX Clamp Adaptor 1 Turn the function dial to the position 2 Connect the Flex Clamp as shown 3 Set the Range of the Flex Clamp Adaptor to match the range of the CM174 4...

Страница 18: ...s the circuit or component under test 5 Read the resistance value on the display Figure 5 5 Resistance and Continuity Measurements 5 6 Continuity Test Warning Do not perform continuity tests before re...

Страница 19: ...the position 2 Use the MODE button to select capacitance function capacitor symbol must be displayed 3 Insert the black probe lead into the negative COM terminal and the red probe lead into the posit...

Страница 20: ...d into the negative COM terminal and the red probe lead into the positive terminal 3 Use the MODE button to select the diode test function The diode indicator will be displayed 4 Touch the tips of the...

Страница 21: ...ted to a circuit remove the probe leads from the terminals and set the function switch to the OFF position before attempting to replace the batteries 2 Unlock and remove the battery compartment cover...

Страница 22: ...o 104 F 30 to 40 C 75 RH 104 to 122 F 40 to 50 C 45 RH Storage conditions 4 to 140 F 20 to 60 C 0 80 RH batteries not installed Dimensions D W L 1 7 3 5 9 5 in 43 mm 89 mm 241 mm Weight CM72 12 8 oz 3...

Страница 23: ...counts when the AC reading is 10 counts CM72 Overload protection 600 V rms CM74 Overload protection 1000V rms Input impedance 10 M 100 pF Lo Z Input impedance 2 5k AC conversion type AC coupled true...

Страница 24: ...me as AC Voltage DCA affected by the temperature and residual magnetism use DCA Zero function to compensate AC conversion type AC coupled true RMS responding calibrated to the RMS value of a sine wave...

Страница 25: ...and 600 A rms CM74 1000Vrms and 600 A rms Trigger Sensitivity 5Vrms for ACV 10Hz 10kHz 15Vrms for ACV 10kHz 60kHz range 4Arms for ACA 10Hz 10kHz 8Arms for ACA 1kHz 10kHz CM74 only Reading will be 0 0...

Страница 26: ...tection 600 V rms CM74 Overload protection 1000 V rms Maximum test current Approx 0 1 mA Maximum open circuit voltage for Approx 1 8 V Maximum open circuit voltage for diode Approx 1 8 V Continuity th...

Страница 27: ...dgt 45 400Hz 300 0 A 3000 A LCD displays 0 counts when the reading is 10 counts Additional accuracy for the Flex function is listed in the FLIR clamp adaptor User Manuals Models TA72_TA74 Table 7 8 Fl...

Страница 28: ...imited Lifetime Warranty are MR7x CM7x CM8x DMxx VP5x not including accessories which may have their own warranty 3 WARRANTY PERIODS For purposes of The Limited Lifetime Warranty Lifetime is defined a...

Страница 29: ...r all packaging and shipping costs FLIR will pay for returning to Purchaser any Product that FLIR repairs or replaces under warranty FLIR reserves the right to determine in its sole discretion whether...

Страница 30: ...tomer Support Technical Support Website http support flir com Technical Support Email T MSupport flir com Service and Repair Email Repair flir com Customer Support Telephone 1 855 499 3662 option 3 to...

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