Input
– Resistance thermometer (2, 3, 4 wire circuit)
– Thermocouples
– Resistance remote signalling unit (0…5000 Ω)
– Voltages, mV (–125…+1200 mV)
■ Output
– 2 wire technique
– 4…20 mA, HART signal
■ Electrical isolation (I/O)
■ Measured error 0.1 K
■ Customer-specific linearization
– 32 tie points
■ Continuous sensor and self-monitoring
– Parameter saved permanently in EEPROM
– Monitoring of data integrety every 10 s
– Wire break monitoring in acc. with NAMUR NE 89
■ Substitution strategy in case of error (NE 43)
■ Approvals for explosion protection
– Intrinsically safe
II 2 (1) G EEx [ia] ib IIC T6, mount in zone 1
II 3 G EEx n A II T6, mount in zone 2
– Pressure�proof
II 2 G EEx d IIC T6, mount in zone 1
■ Input functionality
(absolute, differential, average value)
■ EMC acc. to EN 50082-2 and NE 21
■ Parameterization
– Device Management Tool: SV401 (SMART VISION)
– Hand held terminals: 691HT, STT04, HHT275
– CoMeter (HART configurator/LC display)