Fluke 61 FE 61 Users Manual - Page 2

Specifications Temperature range -18 to 275°C (0 to 525°F) Display Resolution 0.2°C or 0.5°F Accuracy (assumes ambient operating temperature of 23°C [73°F]) Temperature Coefficient Repeatability For targets at: -1 to 275°C (30 to 525°F) ±2% of reading or ±2°C (±3.5°F), whichever is greater -18 to -1°C (0 to 30°F) ±3°C (±5°F) 0.2K per °C or 0.2% per °C, whichever is greater ± 2% of reading, or ± 2°C (±3.5°F) whichever is greater Response time 500 mSec, 95% response Spectral response 7-18 µm Emissivity pre-set 0.95 Ambient operating range 0 to 50°C (32 to 120°F) Relative humidity 10-90% RH noncondensing, @ up to 50°C (120°F) Storage temperature -20° to 60°C (-4° to 140°F) without battery Weight / Dimensions 227 g (0.5 lb); 184 x 45 x 38 mm (7.25 x 1.75 x 1.5 in) without holster 341 g (0.75lb); 190 x 51 x 41 mm (7.5 x 2.0 x 1.6 in) with holster Power 9V Alkaline or NiCd battery Battery life (Alkaline) 12 hrs Distance to Spot Size 8:1 Specifications subject to change without notice.