Fluke 568 Infrared and Contact Thermometer

Infrared temperature range

-40°C to 800°C (-40°F to 1472°F)

Infrared accuracy

<0°C (32°F): ±(1.0°C (±2.0°F) + 0.1°/1°C or°F);

> 0°C (32°F): ±1% or ±1.0°C (±2.0°F), whichever is greater

Display resolution

0.1°C / 0.1°F

Infrared spectral response

8 µm to 14 µm

Infrared response time

<500 msec

Thermocouple Type-K input temperature range

-270°C to 1372°C (-454°F to 2501°F)

Thermocouple Type-K input accuracy

-270°C to -40°C

±(1°C + 0.2°/1°C) (-454°F to -40°F: ±(2°F + 0.2°/1°F))

-40°C to 1372°C

±1% or 1°C (-40°F to 2501°F: ±1% or 2°F), whichever is greater

D:S (distance to measurement spot size)

50:1

Laser sighting

Single-point laser <1 mw output Class 2 (II) operation, 630 nm to 670 nm

Minimum spot size

19 mm (0.75 in)

Emissivity adjustment

By built-in table of common materials or digitally adjustable from 0.10 to 1.00 by 0.01

Data storage with date/time stamp

99 points

PC interface and cable

USB 2.0 with FlukeView® Forms software

Hi/Low alarms

Audible and two-color visual

Min/Max/Avg/Dif

Yes

Display

Dot matrix 98 x 96 pixels with function menus

Backlight

Two levels, normal and extra bright for darker environments

Trigger lock

Yes

Switchable Celsius and Fahrenheit

Yes

Power

2 AA/LR6 Batteries and USB when used with a PC

Battery life

If used continuously

Laser and backlight on,12 hours; laser and backlight off, 100 hours

Operating temperature

0°C to 50°C (32°F to 122°F)

Storage temperature

-20°C to 60°C (-40°F to 140°F)

Bead thermocouple Type-K range

-40°C to 260°C (-40°F to 500°F)

Bead thermocouple Type-K accuracy

±1.1°C (2.0°F) from 0°C to 260°C (32°F to 500°F), typically within 1.1°C (2.0°F) from -40°C to 0°C (-40°F to 32°F)