| Technical indicators | 
					| temperature range | 															|  | -30 to 900 ° C |  						|  | (-25 to 1600 ° F) |  | 
					| display resolution | 															|  | 0.1 ° C (up to 900 ° C ) |  						|  | 0.2 ° F (up to 999.8 ° F ) |  | 
					| D:S (distance to spot diameter ratio) | 															|  | 60:1 standard focal length |  						|  | 50:1 close focal length |  | 
					| Minimum measurement diameter | 															|  | 19mm (0.76 in) standard focal length |  						|  | 6mm (0.24 in) close focal length |  | 
					| Laser aiming | 															|  | Three-point coaxial laser |  | 
					| Emissivity | 															|  | Digitally adjustable, adjustable from 0.10 to 1.0 in steps of 0.01 |  | 
					| Display accuracy 23 ° C (73 ° F)to 25 ° C (77 ° F) | 															|  | ± 0.75% of reading |  						|  | ± 1% of reading or ± 0.75 ° C ( ± 1.5 ° F) , whichever is greater |  | 
					| Response time | 															|  | 250 ms ( 95% of reading ) |  | 
					| Repeatability | 															|  | ± 0.5% of reading or ± 1 ° C ( ± 2 ° F) , whichever is greater |  | 
					| Spectral response |  | 
					| Laser aiming | 															|  | Laser off when ambient temperature exceeds 40 ° C (104 ° F) |  | 
					| Laser power | 															|  | 2 (II) operation; output <1mW , wavelength 630-670 nm |  | 
					| Relative humidity | 															|  | 10% to 90% RH , no condensation, temperature <30 ° C (86 ° F) |  | 
					| Triangular mount |  | 
					| power supply | 															| Fluke 572: | 2 Jie AA batteries |  | 
					| Battery life (alkaline battery) | 															| Fluke 572: | 13 hours, using laser and backlight, when the remaining power is 50% |  | 
					| Display hold |  | 
					| LCD backlight |  | 
					| Warranty |  | 
					| Operating temperature | 															|  | 0 ° C to 50 ° C |  						|  | 32 ° F to 120 ° F |  | 
					| Storage temperature | 															|  | -20 ° C to 50 ° C |  						|  | -25 ° F to 120 ° F |  | 
					| Maximum temperature and minimum |  | 
					| Temperature difference, average |  | 
					| Sound and visual alarm |  | 
					| Bar chart display |  | 
					| Up to 100 point data records |  | 
					| Data chart and storage software (for Windows ) |  | 
					| Model Name | description | 
					| Fluke 572/574 | The FLUKE572/574 precision infrared thermometer includes: 															| 							Durable hard case carrying case2 Jie AA batteriesPool thermocouple(F574)Power adapter (F574) |  |