Chapter 1 Product Overview 1 21 Specification overview Environmental specifications Tempera- ture Operation 5 to 40 °C Storage -10 to 50 °C Humidity Operation 30 to 85% (without dew condensation) Storage 30 to 90% (without dew condensation) Weight Main unit, DM-D500: 460 g Option, DP-501: 440 g Option, DP-502: 264 g Package contents Manual Warranty Package contents Manual Warranty Dimensional Drawing External dimensions 213 mm 51 mm DM-D500 48q 83 mm Display dimensions 140.6 0.55 0.55 Display Size 256 x 64 dot 35.0 (Unit: mm)