Fluke 574 [31/32] Speciﬁ cations

574

Speciﬁ cations

Temperature Range - 30 to 900°C (- 25 to 1600°F)

Display Resolution 0.1°C (0.2°F)

Accuracy ± 0.75% of reading or

(Infrared) ± 0.75K (± 1,5°F), whichever is greater

at 25°C (77°F) ambient temperature,

± 2K (± 4°F) for targets

below -5°C (23°F)

Ambient derating

< 0.05K/K or < 0.05%/K,

whichever is greater at

+ 25°C (77°F) ± 25K (± 45°F)

Optical Resolution 60:1 (19mm spot size at 1.15 M.)

(Standard Focus) (0.75in. spot size at 3.8 feet)

Optical Resolution

50:1( 6mm spot size at 0.3 M.)

(Close Focus)

(0.24in. spot size at 0.98 feet)

Accuracy

± 2K or ± 0.75%,

(Thermocouple K & J)

whichever is greater

Accuracy

(Thermistor)

-30 to 0°C (-22 to 32°F) ± 0.6K

0 to 70°C (32 to 158°F) ± 0.4K

70 to100°C (158 to 212°F) ± 1K

100 to120°C (212 to 248°F) ± 1.5K

Repeatability ± 0.5% of reading or ± 0.5°C (1°F),

(Infrared) whichever is greater,

± 1°C (± 2°F) for targets

below -5°C (23°F)

Response Time (95%) 250 mSec

Hot Spot Detection (30%) 85 mSec

Spectral Range

8 to 14 µm

Ambient Operating Range

0 to 50°C (32 to 122°F)

Storage Temperature -20 to 50°C (-4 to 122°F)

(without batteries)

Analog output 1 mV/°C(°F)

Digital Output

RS232