Operating instructions

24 Technical Data
24.1 General Data
Power Supply
• AC operation: AC/DC Adapter
Primary: 100V–240V, 50/60Hz, 0.3 A
Secondary: 12VDC, 0.84A (with electronic overload protection)
Power supply to the balance: 8–20VDC, 10W
Use only with a tested AC Adapter with SELV output current.
Ensure correct polarity
• Battery operation: 8 standard AA (LR6) batteries (alkaline) for 8–15 hours of use.
Protection and Standards
• Overvoltage category: Class III
• Degree of pollution: 2
• Degree of Protection: Protected against dust and water: IP54 in use with weighing pan.
• Standards for safety and EMC: See Declaration of Conformity
• Range of application: For use only in dry interior rooms
Environmental conditions
• Height above mean sea level: up to 4000 m
• Ambient temperature range: 10 to 30 °C
• Relative air humidity: 10% to 80 % at 31 °C, linearly decreasing to 50 % at 40 °C, non
condensing
Materials
• Housing: Top Housing: Plastic (ABS)
Bottom housing: Die-cast aluminum, lacquered
• Weighing pan: Stainless steel X2CrNiMo 17-12-2 (1.4404)
• Draft shield element: with 0.1 mg models: Stainless steel X2CrNiMo 17-12-2 (1.4404)
• Draft shield: Plastic (ABS), glass
• In-use-cover: Plastic (ABS)
24.2 Model-Specific Data
24.2.1 Balances with Readability of 0.1 mg with Draft Shield
Technical Data
Model ML54 ML104 ML204
Maximum load 52 g 120 g 220 g
Readability 0.1 mg 0.1 mg 0.1 mg
Taring range 0...52 g 0...120 g 0...220 g
Repeatability (sd) 0.1 mg 0.1 mg 0.1 mg
Linearity 0.2 mg 0.2 mg 0.2 mg
Sensitivity temperature drift (10...30°C) 1.5 ppm/°C 1.5 ppm/°C 1.5 ppm/°C
Internal adjustment yes yes yes
Adjustment range with external weights 20...52 g 50...120 g 100...220 g
82 Technical Data