Product description: Rear type electromagnetic force sensor, a spacious weighing chamber; external calibration weights; large LCD display with white background; various units of measurement and counting weighing mode, unit conversion and data output; with functions of overload/underload alarm; full range net weight, cumulative/regressive, bottom hook weighing Technical parameters: • ES-E210B Maximum weighing: 210g, display accuracy: 0.1mg, readability: 0.0001g Repeatability: ± 0.0001g, linearity: ± 0.0002g; • ES-E320B Maximum weighing: 300g, display accuracy: 1mg, readability: 0.001g Repeatability: ± 0.001g, linearity: ± 0.002g • ES-E500B Maximum weighing: 500g, display accuracy: 1mg, readability: 0.001g Repeatability: ± 0.001g, linearity: ± 0.002g • Pan size: φ90mm; • Sensor: electromagnetic balance; • Ambient temperature: 5 ~ 40 ℃ Specifications: • Power supply: 220V/50HZ • Net weight: 11kg