Controler CSI Option: The controller is suitable for the weighing and blending systems of hopper scale, platform scale, motor truck scale, hook scale, etc. The operation manual includes following contents: Safety Precaution, Feature Description, Appearance Description, Installment and Connection, Operation and so on. Please read it before using the controller. Simply operation panel, intelligible English character and figure display, full digital setting/calibration and definable output terminals make you operate the controller easily. High-precision A/D conversion, powerful digital processing capability, high-precision weight and force measure, hand/auto return-to-zero function, self-check function and watch-dog in CPU ensure excellent reliability. Bright LED display EL bright backlight durable up to 100,000hrs Easy to set any specification and up to 15,000d display resolutions (internal 300 000) ABS housing IP54 15 levels sampling speed available Weight and quantity accumulation available Tare, Pre-tare Auto average unit weight and 10 preset unit weight function Pre-set weighing and pre-set counting with alarm Enclosed with indicator dust cover, rechargeable battery and power cord Low battery and charging status indication OIML approval model available with 1/3,000 display resolution Option: RS232 or Serial printer output