6720 - 2 Pages

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6720

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Multirange 2-wire 4-20 mA transmitter 6720 Thermocouples B,C,D,E,G,J,K,L,N,R,S,T RTD-sensor Pt100 mV-input -100 .. +100 mV Process inputs: 0..20mA, 4..20 mA, -20 .. +20 mA, 0..5 V, 0..10 V and -10 ..+10 V Thermopile IR-sensors Programmable by PC Input- Output isolation 2 kV Digital filter 2-wire output 4..20 mA High accuracy 0.05% of span Thermocouples: Sensor Range Transmitter 6720 is exceptionally versatile and accepts all most common sensor inputs. You can configurate it by PC via Cable POL-RS232. Transmitter front has configuration connector which connects adapter cable POL-RS232 to serial port of the PC. Menu based configuration program is easy to use and together with low cost cable makes delivery economical even in case of one unit only. The 16 bit A/D converter enables high measuring accuracy. Linearity of A/D converter is 0.008% and resolution of output signal 0.03% of full scale (12 bit DAC). Galvanic isolation is specially important with thermocouples but potential differencies with other measuring circuits can be avoided also with process input signals. Transmitter is fast to install and its flexibility opens new possibilities in industrial and maintenance measurements. The 2-wire connection is easy and versatile to use in all applications. Small size of the case (22.5 x 60 x 75 mm) helps comissioning in narrow spaces. Range selection Calibration accuracy Cold junction compensation Sensor wire influence Connections Sensor current freely selectable < 0.1 % of span or 1°C < 0.05 °C /°C < 1kohm, negligible < 0.5 °C (300-700°C) Max. sensor wire resistance < 30 ohm/wire Resistance input    0-1000 ohm Principle mV-input: Accuracy Linearity Input impedance Process inputs: Ranges Input impedance Accuracy Linearity 0..20 mA, 4..20 mA, -20..+20 mA 0..5 V, 0..10 V, -10..+10V freely selectable Current: 5 ohm and voltage: 1 Mohm 0.03% of span 0.01% of span Emissivity correction Exergen 140F-K and 440F-K -40..+350°C (linearized range) -30..+600°C (linearized range) sele

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Output: 2-wire Straight and reversed Resolution Sensor break monitoring Configuration: Connection Serial data Serial protocol General: Power supply range Galvanic isolation Measuring rate AD-converter Output DAC Zero/span selection Calibration temperature Temperature effects Calibration temperature Operating temperature Ambient storage Humidity (non -condensing) Maximum load Case dimensions Weight Connection Protection, housing/terminal Mounting Transmitters are freely configurable by PC software therefore the order code is simply 6720. Transmitters can also be delivered for ordered...

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