Vågtransmitter i box med Exd skydd i Atex zon 1/21

Box with Exd protection for weighing and data transmission in 2GD ATEX zones

Box with Exd protection completed with weight indicator/transmitter, Zener barriers and intrinsically safe 4-20mA analog output. Fitted with 2 buttons for the main weighing operations with configurable functions, and two programmable electronic outputs for setpoints and levels management. Internal power adaptor for connection to 230VAC. Complete protection: II 2 (1) GD Ex d [ia Ga] IIC T6 Gb / Ex tb [iaD] IIIC T85°C Db IP65.

BOX TECHNICAL FEATURES

Aluminum alloy construction. Tempered glass, transparent, frontal porthole for weight reading and electronics checking. Painted with epoxy paint. 6 cable glands at disposal and standard fitted with 4 ATEX cable glands, for power supply, grounding, load cell cable and analog output. Weight: approx. 15kg. IP65 protection degree.

ANALOG OUTPUT TECHNICAL FEATURES

Intrinsically safe Ex i barrier for 4-20mA analog output.   Atex marking: II (1) GD [Ex ia Ga] IIC [Ex ia Da] IIIC (-20°C <= Ta <= +60°C)   Ex i electronic parameters: Um=250V Uo= 25,2V Io= 93mA Po= 585mW  Co= 0,107µF Lo= 4,30mH L/R= 62µH/ohm

ZENER BARRIERS TECHNICAL FEATURES

The system includes 3 Zener barriers for load cells connection. The barriers can manage up to four 350Ohm load cells.   Atex marking for one barrier: II (1) GD [Ex ia Ga] IIC [Ex ia Da] IIIC   Ex i electronic parameters: Barrier for signal and sense: Um=250V Fuse: 50mA Uo: 17,4V Io: 25mA Po: 0,11W Co: 0,346µF Lo: 56,88mH Rmin: 705,6Ohm Barrier for supply: Um=250V Fuse: 100mA Uo: 24V Io: 164mA Po: 0,98W Co: 0,125µF Lo: 1,32mH Rmin: 147Ohm INDICATOR MAIN TECHNICAL FEATURES DGT1SAN weight indicator with analog output, specific for the reading, diagnostic and transmission of the weight of one or more load cells. 5-key mechanic keyboard. Red LED display with 6 8-mm digits and 6 LEDs for showing active functions. Up to 10.000e or multi-range 2 x 3000e @ 0,3 µV/d in CE-M approved version for legal for trade use. Up to 100.000 displayable divisions with internal resolution up to 3.000.000 points. 1 channel A/D 24-bit sigma-delta conversion, up to 3200 conv./sec. auto-select. Fitted with 2 inputs for managing the buttons provided as standard and 2 programmable electronic outputs, for the set points and levels management.  APPLICATION EXAMPLE Click on above picture to zoom.