background image

6

                                                     

IR270

en

GB_V1.0

   

12/17

 

Minimum

 

Reading

 

(MIN)

 

Use

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

MIN

 

parameter,

 

then

 

pull

 

and

 

hold

 

the

 

trigger

 

to

 

start

 

scanning

 

surface

 

temperatures.

 

The

 

reading

 

on

 

the

 

lower

 

right

 

represents

 

the

 

lowest

 

reading

 

recorded

 

during

 

the

 

current

 

measurement

 

scan.

 

When

 

pressing

 

M

 

from

 

a

 

powered

 

OFF

 

condition,

 

the

 

value

 

shown

 

on

 

the

 

lower

 

right

 

is

 

the

 

lowest

 

reading

 

recorded

 

during

 

the

 

last

 

measurement

 

scan

 

performed.

 

Differential

 

Reading

 

(DIF

 

=

 

MAX

 

minus

 

MIN)

 

Use

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

DIF

 

parameter,

 

then

 

pull

 

and

 

hold

 

the

 

trigger

 

to

 

start

 

scanning

 

surface

 

temperatures.

 

The

 

reading

 

on

 

the

 

lower

 

right

 

represents

 

the

 

difference

 

between

 

the

 

MAX

 

and

 

the

 

MIN

 

readings

 

recorded

 

during

 

the

 

current

 

measurement

 

scan.

 

When

 

pressing

 

M

 

from

 

a

 

powered

 

OFF

 

condition,

 

the

 

value

 

shown

 

on

 

the

 

lower

 

right

 

represents

 

the

 

difference

 

between

 

the

 

MAX

 

and

 

the

 

MIN

 

readings

 

recorded

 

during

 

the

 

last

 

measurement

 

scan

 

performed.

 

Average

 

Reading

 

(AVG)

 

Use

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

AVG

 

parameter,

 

then

 

pull

 

and

 

hold

 

the

 

trigger

 

to

 

start

 

scanning

 

surface

 

temperatures.

 

The

 

reading

 

on

 

the

 

lower

 

right

 

represents

 

the

 

average

 

of

 

all

 

readings

 

recorded

 

during

 

the

 

current

 

measurement

 

scan.

 

When

 

pressing

 

M

 

from

 

a

 

powered

 

OFF

 

condition,

 

the

 

value

 

shown

 

on

 

the

 

lower

 

right

 

is

 

the

 

average

 

of

 

all

 

readings

 

recorded

 

during

 

the

 

last

 

measurement

 

scan

 

performed.

 

High

 

Alarm

 

Limit

 

(HAL)

 

Use

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

HAL

 

parameter.

 

Use

 

the

 

arrow

 

buttons

 

to

 

set

 

the

 

High

 

Alarm

 

limit.

 

While

 

measuring,

 

the

 

meter

 

beeps

 

when

 

the

 

displayed

 

reading

 

is

 

higher

 

than

 

the

 

high

 

alarm

 

setting.

 

If

 

the

 

backlight

 

is

 

on,

 

the

 

backlight

 

color

 

will

 

turn

 

red

 

in

 

a

 

high

 

alarm

 

condition.

 

Low

 

Alarm

 

Limit

 

(LAL)

 

Use

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

LAL

 

parameter.

 

Use

 

the

 

arrow

 

buttons

 

to

 

set

 

the

 

Low

 

Alarm

 

limit.

 

While

 

measuring,

 

the

 

meter

 

beeps

 

when

 

the

 

displayed

 

reading

 

is

 

lower

 

than

 

the

 

low

 

alarm

 

setting.

 

If

 

the

 

backlight

 

is

 

on,

 

the

 

backlight

 

color

 

will

 

turn

 

blue

 

in

 

a

 

low

 

alarm

 

condition.

 

Datalog

 

Memory

 

(LOG)

 

The

 

meter

 

has

 

twenty

 

memory

 

locations

 

(1~20)

 

in

 

which

 

to

 

stored

 

temperature

 

readings.

 

1.

 

From

 

a

 

powered

 

ON

 

or

 

OFF

 

condition,

 

short

 

press

 

the

 

M

 

button

 

to

 

step

 

to

 

the

 

LOG

 

mode

 

(the

 

LOG

 

display

 

icon

 

is

 

much

 

smaller

 

than

 

the

 

other

 

mode

 

icons)

 

2.

 

Use

 

the

 

 

 

arrows

 

to

 

select

 

a

 

memory

 

location

 

in

 

which

 

to

 

store

 

a

 

reading

 

3.

 

Pull

 

and

 

hold

 

the

 

trigger

 

to

 

scan

 

surface

 

temperatures

 

4.

 

Press

 

the

 

 

button

 

at

 

any

 

time

 

to

 

store

 

the

 

reading

 

in

 

the

 

selected

 

memory

 

location.

 

Note

 

that

 

you

 

can

 

press

 

the

 

 

button

 

after

 

the

 

trigger

 

is

 

released

 

in

 

order

 

to

 

store

 

the

 

held

 

reading

 

into

 

the

 

selected

 

memory

 

location

  

5.

 

Use

 

the

 

arrow

 

buttons

 

to

 

step

 

through

 

and

 

view

 

the

 

readings

 

stored

 

in

 

each

 

location.

 

Dashes

 

indicate

 

that

 

a

 

memory

 

location

 

is

 

empty

 

6.

 

A

 

reading

 

will

 

remain

 

in

 

a

 

memory

 

location

 

until

 

the

 

user

 

overwrites

 

that

 

memory

 

location

 

Summary of Contents for IR270

Page 1: ...User Manual InfraRed Thermometer With Laser Pointer and High Low Alarms Model IR270 Additional User Manual Translations available at www extech com ...

Page 2: ...mperature units F C Battery status indication Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Warnings o Do not directly or indirectly point the laser at the eyes of a person or an animal o Inspect for damage or for any shortage of parts or accessories before use o Replace the battery immedia...

Page 3: ... Scan mode The icon flashes while the trigger is pulled The displayed reading represents the temperature of the scanned surface 2 Data hold mode Reading is held after trigger is released 3 Primary display Surface temperature reading 4 Datalogger mode 5 Secondary display mode icons EMS MAX MIN DIF AVG HAL LAL 6 Secondary Display value 7 Battery status icon Flashes when battery voltage is critically...

Page 4: ...nd then the meter will automatically shut off 5 Refer to the Field of View section for distance to target spot ratio considerations 6 The meter defaults to the programmed conditions in use when the meter was last switched OFF For example if the laser is set to default to ON and the temperature units are set to o F at the time the unit is switched OFF the unit will switch ON and use the same settin...

Page 5: ...mpensates for deviations in ambient temperature but it can take up to 30 minutes for the meter to adjust to wide ambient temperature changes 7 To find a hot spot aim the meter outside the area of interest then scan in an up and down motion until the hot spot is located Secondary Display Modes The secondary display area is located on the bottom of the meter s LCD You can step through the secondary ...

Page 6: ...ngs recorded during the last measurement scan performed High Alarm Limit HAL Use the M button to step to the HAL parameter Use the arrow buttons to set the High Alarm limit While measuring the meter beeps when the displayed reading is higher than the high alarm setting If the backlight is on the backlight color will turn red in a high alarm condition Low Alarm Limit LAL Use the M button to step to...

Page 7: ...applied to cover the measured surface Wait a period of time to allow the tape or paint to reach thermal equilibrium with the surface of the covered object Measure the temperature of the surface covered with tape or paint only Emissivity Factors for Common Materials Material under test Emissivity Material under test Emissivity Asphalt 0 90 to 0 98 Cloth black 0 98 Concrete 0 94 Skin human 0 98 Ceme...

Page 8: ...atteries When the battery icon flashes or when the meter does not switch ON replace the battery The battery compartment is located in the meter handle The battery compartment cover is located just below the trigger Pry the compartment cover loose from the top of the compartment to open the compartment Replace the 9V battery following correct polarity and then close the battery compartment before u...

Page 9: ...power Class 2 1mW 650nm 10nm IR Spectral response 8 14 µm Repeatability 0 5 rdg or 1 C 1 8 F whichever is greater General Specifications Display Backlit LCD with multifunction indicators Response time 150ms Out of range indicator HI for over range Operating temperature 0 C 50 C 32 F 122 F Operating relative humidity 10 90 RH Storage temperature 10 C 60 C 14 F 140 F Storage relative humidity 80 RH ...

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