Transmitter Lobel: Sixth Generation AST3 weight transmitter is available in a package that weighs less than the power transformer of the original Scale-O-Scope 25 years ago In 1973, Bofors electronic transmitter (such as systems called Nobel time), produced the first weight controller controlled by microprocessor and terminal-Scale O-Scope. More than 25 years after that date in the history of electronic sensors for weighing and force measurement, Nobel transmitter weight AST3 sixth generation is available in a package that weighs less than the power transformer of the original Scale- O-Scope. The revolutionary Scale-O-Scope was designed and built by Bofors Electronics in collaboration with its patented KIS double shear cell for weighing and inventory control in the industry of meat processing. Controller weight capacity for handling data input and output terminals communicate with Scale-O-Scope others, printers and mainframes led to a sharp increase in efficiency and, generally, a doubling the efficiency in the factories where they were installed. The Scale-O-Scope weighed 30 kg, used an Intel 4040 4-bit with 4k Memory, and features 16-bit A / D conversion, a resolution of 1 in 30,000, and a communication speed of 300 baud. He boasted of numerical scale and introduce the keyboard and a screen dot matrix digital weighing with the presentation of alphanumeric data and weight. The trend since then has seen extensive use of the power of microprocessors to provide greater flexibility, better resolution and accuracy, a faster, easier installation, smaller and cheaper. Over twenty-five years after the Scale-O-Scope, E-TAD-2 weighs 3kg, has three microprocessors, a resolution of one to one-half million and communicates with RS232, 422 or 423 to 9600 baud. It complies with CE EMC, and OIML (weights and measures) certification for accuracy class III for 10,000 divisions. Now the sixth generation AST3 goes one better, with internal resolution of 1 to 8,000,000 (23 bits) using a patented Delta-Sigma A / D conversion technique and communicates over RS485 to 115k baud using the protocol Modbus. The analog outputs 0-10V, 0-2mA-20mA or 4 are standard. The communication speed is 380 times larger than the original Scale-O-Scope resolution 260 times greater. There is no adjustment knob – all ladder is made and stored in digital form and can be done via the front panel keypad or downloaded via the serial port using a Windows based software. Filtering can be pre-programmed to respond to the dynamics of demand and is “adaptive” – that is, it has a wide bandwidth and fast response to changes of weight and stopped at a narrow bandwidth for small changes. The AST3 can also be connected via a modem to enable remote diagnosis and maintenance of the weighing system. The unit is fully CE compliant to meet the latest EMC and low voltage. All this comes with a digital display in a package mounting on DIN rail that weighs less than 0. 5kg. Small is definitely beautiful – new AST3 weighs about 1/60th of the original Scale-O-Scope, 1973. This is illustrated by Nobel microprocessor weighing instruments, E-TAD-2 digital weighing controller and transmitter weight the most recent AST3.