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Fluke 568 Infrared Thermometer Review
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Fluke 568 Review
Fluke 568 Infrared & Contact Thermometer: Two Measurement Methods in One Tool
The Fluke 568 is a professional-grade multipurpose thermometer designed for technicians who need both non-contact infrared readings and direct contact temperature measurement. According to the Fluke 568 datasheet, it combines a wide infrared range, adjustable emissivity, a K-type thermocouple input, and logging capability in a rugged, easy-to-use instrument built for service and maintenance work.
−40 to 800 °C
Infrared Measurement Range
The Fluke 568 covers a wide non-contact temperature range, making it useful for hot surfaces, moving parts, and hard-to-reach targets.
50:1
Distance-to-Spot Ratio
A 50:1 ratio lets you measure smaller targets from farther away while keeping a safe and practical working distance.
K-Type
Contact Probe Support
In addition to infrared readings, the meter accepts standard mini-connector K-type thermocouples for direct contact measurements.
99
Logged Data Points
The 568 includes data logging with date and time stamps, helping users document temperature changes during inspections.
Why the Fluke 568 Stands Out
What makes the Fluke 568 especially practical is that it is not limited to only one measurement style. Many thermal tools force the user to choose between non-contact speed and direct-contact accuracy. This model offers both.
From the datasheet, it supports adjustable emissivity with a built-in table of common materials, which helps improve accuracy across different surfaces. It also adds MIN, MAX, AVG, and DIF functions, so technicians can analyze changing temperatures rather than reading only a single snapshot.
The graphical dot-matrix display, soft-key operation, and two-level backlight make it much easier to use in industrial, mechanical, and HVAC environments.
Best Use Cases
- Industrial maintenance and inspections
- Electrical and mechanical troubleshooting
- HVAC temperature checks
- Surface temperature measurements from a safe distance
- Logging temperature trends over time
- Tasks where both IR and contact readings are needed
Key Features at a Glance
Adjustable Emissivity
Digital adjustment from 0.10 to 1.00 in 0.01 steps, supported by a built-in material reference table.
Digital adjustment from 0.10 to 1.00 in 0.01 steps, supported by a built-in material reference table.
Fast Response
Infrared response time is under 500 milliseconds for quick spot checks in busy environments.
Infrared response time is under 500 milliseconds for quick spot checks in busy environments.
Alarm Support
A two-color flashing alarm helps notify the user when readings exceed a preset limit.
A two-color flashing alarm helps notify the user when readings exceed a preset limit.
Logging Function
Records measurement points with time and date information for documentation and analysis.
Records measurement points with time and date information for documentation and analysis.
Trigger Lock
Useful for longer measurement sessions when you want to hold the reading continuously.
Useful for longer measurement sessions when you want to hold the reading continuously.
Multi-language Interface
The user interface supports six languages, which improves usability for different teams and regions.
The user interface supports six languages, which improves usability for different teams and regions.
Full Specifications
| Parameter | Value |
|---|---|
| Product | Fluke 568 Multipurpose Thermometer |
| Type | Infrared and contact thermometer |
| IR Range | −40 to 800 °C |
| Contact Probe Range | −270 to 1372 °C |
| Distance-to-Spot | 50:1 |
| Emissivity | Adjustable 0.10 to 1.00 in 0.01 steps |
| Laser | Single-point, Class 2, <1 mW, 630 to 670 nm |
| Display | 98 x 96 dot matrix graphic display |
| Logging | 99 points with date/time stamp |
| Functions | Min/Max/Avg/DIF |
| Power | 2 AA batteries + USB for PC use |
| Battery Life | 12 hours with laser/backlight on, 100 hours with them off |
| Weight | 1.026 kg |
| Size | 25.4 x 19.1 x 6.9 cm |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | −20 °C to 60 °C |
| Warranty | Two years |
What Comes in the Box
Included accessory set
K-type thermocouple bead probe, FlukeView Forms software, USB cable, 2 AA batteries, hard carrying case, quick start guide, and user manual.
K-type thermocouple bead probe, FlukeView Forms software, USB cable, 2 AA batteries, hard carrying case, quick start guide, and user manual.
Why this matters
The included software and USB cable make the Fluke 568 more valuable for users who need logging and documentation right away.
The included software and USB cable make the Fluke 568 more valuable for users who need logging and documentation right away.
Useful add-ons
Optional probes and holsters are available for users who want more flexibility in field measurement tasks.
Optional probes and holsters are available for users who want more flexibility in field measurement tasks.
Short buying insight
If you need a temperature tool that combines non-contact speed, direct contact flexibility, logging, and better control over surface emissivity, the Fluke 568 is a very strong professional option.
If you need a temperature tool that combines non-contact speed, direct contact flexibility, logging, and better control over surface emissivity, the Fluke 568 is a very strong professional option.
فلوك 568 — ميزان حرارة بالأشعة تحت الحمراء وبالتلامس
يُعد جهاز Fluke 568 ميزان حرارة احترافياً بالأشعة تحت الحمراء من −40 إلى 800 °م، مع معامل انبعاثية قابل للضبط، ويقبل أيضاً مجس تلامس من نوع K.
نطاق واسع من −40 إلى 800 °م
معامل انبعاثية قابل للضبط
قياس بالتلامس عبر مجس K
نسبة مسافة إلى نقطة 50:1
Final takeawayThe Fluke 568 is more than a basic infrared thermometer. It is a dual-purpose professional temperature tool with logging, adjustable emissivity, contact probe support, and a strong feature set for industrial troubleshooting.
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June 13, 2026
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