Hartmann & Braun AG.

DATAVIS

electrical controllers; electrical signal processors; video monitors for electro-engineering and thermo engineering use; registering apparatus; namely, recorders; transmitters for the remote transmission of measured data; data processing equipment; namely, data processors and data loggers, electric luminescent display panels;

H&B

measuring control, open loop control apparatus and closed loop feed-back control and monitoring apparatus particularly for utilization in the chemical, petrochemical, thermal, and electrical technology; analysing apparatus, particularly automatic gas and liquid analysers; ph measuring instruments, instruments for measuring conductivity, measuring transducers (sensors) for physical and chemical properties of gasses and liquids; registering apparatus particularly line-writers, dot printers, light beam oscillographs, registration instruments for analog plotting of measuring data; fault (error) printers, registration and monitoring apparatus for special rates; measuring transducers for temperature and mechanical variables such as rotational speed and position; measuring transducers and measuring transformers particularly for pressure, differential pressure, flow-throughput, moisture content, state-of-filling (level); measuring transformers for d.c. voltage, electrical variables, resistance, frequency; apparatus for remote transmission of measuring values, measuring value evaluating equipment; relays, electrical and electronic measuring and power amplifiers, switching relays, time relays and control apparatus, follow-up (servo) control apparatus, actuators; calculating machines and computers and data processing apparatus and systems composed thereof; analog and digital computers for processing measuring data; automatic controllers, particularly electromechanically, electrically electronically operating steady state and on/off and digital controllers with optical control input; controllers in industry, control systems being comprised of mutually attuned (adjusted, integrated) electrical and electronic apparatus within a functional chain of units comprised essential of measuring transducer, measuring transformer, controller, power amplifier, adjustment drives and actuators, for control of industrial plants and including associated switch panels, switching cabinets and consoles (desks) pertaining thereto; apparatus for measuring the state of filling (level) and density by means of radioactive radiation, measuring apparatus using nuclear radiation, transducer for measuring radioactive isotopes and equipment made thereof; measuring instruments particularly instruments operating electromechanically, electrically or electronically and electronic analog and digital measuring instruments being controlled by optical input; multipurpose measuring apparatus, measuring bridges, compensators, frequency measuring instruments; precision measuring instruments; measuring apparatus for locating faults; accessories for measuring apparatus and for automatic controllers; namely, measuring resistances, measuring capacitors, measuring inductances, remote controlled st point adjusters, remote control operating equipment, data display instruments and stabilized power supply apparatus;

HARTMANN & BRAUN

educational services, namely organizing conducting training courses, classes conferences and seminars in the field of measuring technology and process automation and distribution of course material therewith;measuring instruments, open-loop, closed-loop systems and monitoring instruments especially for use in the chemical and petrochemical industries, thermal power stations, iron and steel works, electrical engineering and power generating plants; analyzers not including those for medical purposes, namely automatic gas and liquid analyzers; pH measuring instruments, conductivity measuring instruments, primary elements (sensors) for measuring physical and chemical qualities of gases and liquids, analyzing systems mainly consisting of gas sampling instruments, of gas conditioning and automatic calibration devices; gas chromatographs; recording instruments, namely continuous-line recorders, multipoint recorders, fault recorders, accesssories for aforementioned instruments, namely chart paper, pens and ribbons; sensors and transmitters for temperature and mechanical variables like rotational speed, and position; reference junction thermostats; amplifiers for electrical isolation of measured analog signals; sensors and transmitters, namely for pressure, differential pressure, flow rate, humidity, liquid levels as well as transmitter supply units; transmitters for electrical variables such as current, voltage, availalbe power, resistance, frequency; instruments for long-distance transmission of measured values; relays, time relays, alarm relays and control instruments, measuring relays, protection relays and selective protection relays for energy distribution plants; text display units; electrical and electronic measuring amplifiers and boosters; servo-control instruments, positioners, actuators and control actuators for valves, vanes and comparable setting equipment including their associated electronic drive systems; analog and digital computers, especially for processing the measured value; controllers, especially electronic continuous controllers, on/off controllers, digital controllers, controllers for industrial application, control systems consisting of integrated electrical and electronic instruments within a functional chain consisting mainly of sensors, transmitters, controllers, boosters, actuators and final control elements for open-loop, closed loop control of industrial installations, including their associated panels switching cabinets and consoles; instruments for liquid level and density measurements on the basis of radioactive radiation, nuclear radiation measuring instruments, sensors for measuring radioactive radiation and the systems composed thereof; measuring instruments with electronic function or with optical transmission medium, electronic measuring instruments having analog or digital read - out, multimeters, clamp-on meters for direct electrical protection, measuring bridges, compensation devices, calibrators, electrical measuring instruments for locating faults; accessories for measuring instruments and controllers, namely remote-controlled set point adjusters, remote control instruments, solenoid valves and automatic valves, power supply instruments, signal distributon instruments, electrical circuits for protection against overvoltaging, measuring point selector switches; mounting material for measuring instruments and controllers, namely distribution and protection boxes; process control plants for process automation mainly consisting of process interface cards, central process units, storage cards, operator keyboards and data output peripherals, especially in the chemical, petrochemical, steel/iron, mineral industrials, power stations, for monitoring, operating, open-loop and closed-loop control, protecting, signalling, the afore-mentioned plants with centralized or decentralized structure as well as in hierarchical structures with data highway and digital communication, including such associated output instruments like screens, printers and plotters; computer programs stored on discs, namely for automation engineering; data storage medium equipped with computer programs for automation engeneering; pre-recorded audio and video tapes featuring computer program descriptions;documentation, namely books and pamphlets featuring computer program descriptions;installation, maintenance and repair of control systems and process control systems and instruments included therewith;research and design for others of computer programs in the field of automation engineering; design for others of process control systems;