DFW-IECEX3GD indicator for potentially explosive zones 2 & 22 – Ex-protected weighing terminal with ATEX/IECEx approval

The DFW-IECEX3GD is a professional weight indicator for potentially explosive atmospheres according to ATEX and IECEx directives . This powerful weighing terminal is specifically designed for use in Ex Zones 2 (gas) and 22 (dust) and is ideal for weighing, dosing, and automation processes in industrial environments. Its design meets the highest standards of safety, precision, and flexibility.

Approvals & protection classes:

• Gas (IECEx/ATEX): II 3G Ex nR IIC T6 Gc X (0°C ≤ Ta ≤ 50°C)

• Dust (IECEx/ATEX): II 3D Ex tc IIIC T85°C Dc IP65 X (0°C ≤ Ta ≤ 50°C)

• With intrinsically safe load cell connection:

  • Gas: II 3G Ex nR [ia] IIC T6 Gc X

  • Dust: II 3D Ex tc [ia] IIIC T85°C Dc IP65 X

• CE-M verifiable according to OIML R-76 / EN 45501

Technical features:

• Robust stainless steel housing (IP68) – ideal for harsh industrial environments

• Waterproof membrane keyboard with 17 function keys

• Backlit LCD display , 6 digits, digit height: 25 mm

• Tabletop installation possible (compact design: 280 x 143 x 185 mm)

• Internal resolution: up to 3,000,000 points

• A/D converter: 24-bit Sigma-Delta , up to 200 measurements/second

• Digital calibration and setup directly via keyboard

• PC management via DINITOOLS software

• Protective housing for internal electronics

Performance & Compatibility:

• Connection of up to 8 load cells of 350 Ohm each

• Max. 10,000e or 3 x 3000e @ 0.3 µV/d (CE-M compliant)

• Display of up to 1,000,000d for internal use

• Power supply: 110–240 VAC or 12–24 VDC, max. 25.2 W

Keyboard functions:

• Zeroing, automatic/preset tare

• Data printing, function call, on/off

• Memory for 20 tare values, 2 numeric IDs

• Repeat press, key lock

Advanced features (optionally activated):

• High-resolution 10x display

• Net/gross weight or kg/lb switching

• Summation function , piece counting , formula calculation

• Percent weighing , setpoint control (with DFIO option)

• Weight transfer to PC/PLC (with Alibi memory option ALMEM)

• +/- control function , hold function , input/output control