Weighing transmitter in a box with Exd protection, Atex zone 1/21

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. Complete protection:
ATEX II 2 (1) GD Ex d [ia Ga] IIC T6 Gb / Ex tb [ia Da] IIIC T85°C Db IP66.

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.

Indicator 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.

Analog output technical features

• Intrinsically safe Ex 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 barries 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