Maximum readability 15,000 display steps (not in legal metrology) Accuracy class l, m (in the design...-CE) Number of scale values 3,000e or 2+ 3.000e according to EN 45501 Digital protective interface According to EN45501 Data interfaces 2, optional Display 14-segment backlit display Housing: Material Stainless steel, AISI 304 (1.4301) Protection class: According to EN60529 IP65 Ambient conditions: Operating temperature range -10°C to +40°C (+14°F to 104°C) Humidity Maximum relative humidity 80% for temperature up to 31°C (~88°F); linear decrease down to 50% for relative humidity at 40°C (+104°F) Protection class of the housing in accordance with EN 60529 IP 65 Pollution degree 2 Normally only nonconductive pollution occurs. Temporary conductivity caused by condensation is to be expected. Ratings: Power supply 100-240 VAC (-15/+10%), 50-60 Hz, 17 W/23 VA max. Transient overvoltage Overvoltage category II acc. to IEC 60364-4-443 Operation using protective extra low voltage See instruction manual for Option L8 (24-volt module) DC supply 22.8 ... 26.7 V (optional: 21.6 ... 26.7 V); 12 VA max. AC supply 22.8 ... 26.7 V, 50-60 Hz, 12 VA max. Operation with rechargeable battery See Sartorius Installation Instructions for Option L9 Operation via built-in or external rechargeable battery (only available as an option that must be ordered with the scale) Emissions Acc. to EN613-1 (IEC 61326-1) Group 1, Class B, suitable for use in domestic establishments and establishments directly connected to a low-voltage power-supply network that supplies buildings used for domestic purposes Immunity to interference: Acc. to EN61326-1): Immunity test requirements for equipment intended for use in industrial locations (Table 2) Electrical safety Acc. to EN 61010-1 (IEC 1010-1), EN 60950 (IEC 950) Temperature range -10°C to +40°C. Power supply 100 – 2 40 VAC (–15/+10 %), 50 – 60 Hz, max. 17 W/23 VA DC Supply optional 24 VDC (± 5%), max. 12 VA AC Supply optional 24 VAC (± 5%), 50–60 Hz, max. 12 VA Battery operation Via internal battery (only available as an option directly with order) Interference According to EN61326-1 Class B (IEC 61326-1) Interference resistance According to EN61326-1, industrial areas (IEC61326-1)