IR301 EXTECH [Extech Instruments Corporation.], IR301 Datasheet

IR301

Manufacturer Part Number

IR301

Description

Combination IR + Stem Thermometer

Manufacturer

EXTECH [Extech Instruments Corporation.]

Datasheet

1.IR301.pdf (2 pages)

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User's Guide

Combination IR + Stem

Thermometer

Model IR301

Introduction

Specifications

Display

Thermocouple probe

Measurement ranges

Resolution

Accuracy

IR Distance/Spot ratio 1:1 (the meter’s distance from object

Out of range indicators ‘ ’ or ‘

Low battery indication

EMC/FRI

Power supply

Battery life

Dimensions

Weight

Congratulations on your purchase of the Extech IR301. The

IR301 is a combination non-contact infrared thermometer and

probe thermometer. Careful use of this instrument will provide

years of reliable service.

2000 count Dual LCD display.

4.5” (114mm) stainless steel stem type K

Non-contact Infrared (IR) mode:

-27 to 428

Contact temperature probe mode:

-67 to 626

0.1

IR: ±3% of reading or 6

Probe: ±1% of reading or 2

* whichever is greater

equals the size of the measurement spot)

Readings may be affected if the unit is

operated within radio frequency

electromagnetic field strengths of 3V per

meter (approx.). Note that the meter will

not be permanently affected.

CR2032 button battery

30 hours of continuous use (minimum)

1.0 x 1.6 x 6.1" (24.2 x 39.8 x 156mm)

Approx. 2.6 oz. (70g) with battery

to 199.9

’ appears on the LCD

F (-33 to 220

F (-55 to 330

; 1

>200

F (3

F (1.2

C)*

Meter Description

Operation

Non-contact InfraRed (IR) Temperature Measurements

Contact Temperature Probe Measurements

1. Aim the meter’s IR lens (top of meter) toward the

2. Press and hold the IR button to continuously

3. When the IR button is released, the HOLD

4. The meter will automatically turn OFF after

1. Carefully release the probe from its latch and

2. Press the PROBE button momentarily to begin

3. Press the PROBE button again to hold the

4. The meter will automatically turn OFF after

5. Keep the probe in the latched position when not

10. Infrared sensor

Note that the battery compartment is located on the rear of

the instrument.

surface under test; hold the meter as close as

safely possible to the surface under test.

measure temperature. The IR measurement

reading appears on the upper display.

display icon switches on, indicating that the last

reading is now being held (frozen).

approximately 10 seconds.

rotate it to the desired position. Do NOT attempt

to rotate the probe arm more than 180

taking readings. The lower display will indicate

the measured temperature.

reading. The HOLD icon will switch on indicating

that the reading is held (frozen). Press the

PROBE button again to exit the HOLD mode.

approximately 4 minutes.

in use.

Probe Holder

Probe

Probe swivel arm

IR display

Pocket clip

Probe display

IR button

MODE button

Thermocouple probe button

Minimum / Maximum IR Readings (IR measurements only)

IR Lock Mode

IR Emissivity Adjustment

C /

The IR301 has a factory default emissivity setting of 0.95. This

is the best setting for most applications. However, for some

surfaces, this setting may require adjustment. Emissivity tables

are available which include most common materials. To

determine the proper emissivity setting for any surface, take a

probe measurement and an IR measurement of the surface. If

the readings match, the emissivity setting is correct. If the

readings are different, the emissivity should be adjusted until

the IR reading agrees with the probe measurement.

To adjust the emissivity, press the IR button once and then

press the MODE button five (5) times. Now use the IR button to

scroll through the emissivity selection range.

The emissivity range is 0.1 to 1.00 (the IR301 display actually

shows 10 to 100 representing 0.1 to 1.00).

To exit this mode, press and hold the MODE button.

1. The MIN and MAX modes allow the user to take

2. Press the IR button to turn on the IR measurement mode

3. Press the MODE button once to select the flashing “MIN”

4. Press and hold the IR button to take a continuous IR

5. To exit this mode, press and hold the MODE button.

1. In the LOCK mode, the user can take a continuous IR

2. Press the IR button, press the MODE button three (3) times

3. The meter will now measure temperature continuously for

F Temperature units selection

To change the temperature units press the IR button once,

the MODE button four (4) times, & the IR button once again.

measurements while only viewing the highest (MAX) or

lowest (MIN) reading.

icon or press the MODE button twice to select the flashing

“MAX” icon.

measurement. As long as the IR button is held down, only

the lowest (MIN) or the highest (MAX) reading will display.

Subsequent measurements will only update the display if a

lower or higher reading is encountered.

measurement (for up to 60 minutes) without having to press

and hold the IR button.

and then press the IR button again. The “LOCK” display

icon will appear on the LCD.

up to 60 minutes or until the IR button is pressed.

Related parts for IR301

IR301 Summary of contents

Page 1

... The meter will now measure temperature continuously for minutes or until the IR button is pressed. IR Emissivity Adjustment The IR301 has a factory default emissivity setting of 0.95. This is the best setting for most applications. However, for some surfaces, this setting may require adjustment. Emissivity tables are available which include most common materials ...

Page 2

... Replace the CR2032 battery (+ side out) and replace the cover. Storage and Cleaning The IR lens is the most delicate part of the IR301; the lens should be kept clean at all times. Care should be taken when cleaning the lens using only a soft cloth or cotton swab with water or isopropyl alcohol ...

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