Súng đo nhiệt độ bằng tia hồng ngoại Fluke 568 Ex
Thông số kỹ thuật:
	| Súng đo nhiệt độ bằng tia hồng ngoại Fluke 568 Ex | 
	| 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 ms | 
	| Thermocouple type-k input temperature range | 
	-270 °C to 1372 °C (-454 °F to 2501 °F) | 
	| Thermocouple type-k input accuracy | 
	<-40 °C: ±(1 °C + 0.2 °/1 °C) 
	≥-40 °C: ±1 % or 1 °C, whichever is greater <-40 °F: ±(2 °F + 0.2 °/1 °F) 
	≥-40 °F: ±1 % or 2 °F, whichever is greater | 
	| D:S (distance to measurement spot size) | 
	50:1 | 
	| Laser sighting | 
	Single-point laser | 
	| 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 | 
	99 points | 
	| Hi/Low alarms | 
	Audible and two-color visual | 
	| Min/Max/Avg/Dif | 
	Yes | 
	| Display | 
	Dot matrix with function menus | 
	| Backlight | 
	Two levels, normal and extra bright for darker environments | 
	| Trigger lock | 
	Yes | 
	| Switchable celsius and fahrenheit | 
	Yes | 
	| Power | 
	2 AAA/LR03 type-approved batteries (For a list of type-approved batteries, refer to Product Safety Instructions.) | 
	| Battery life | 
	4 hours with laser and backlight on; 
	100 hours with laser and backlight off, at 100 % duty cycle | 
	| 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) |