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CELTRON / MDBD Digital Miniature Double-Ended Beam

CELTRON / MDBD Digital Miniature Double-Ended Beam

The MDBD is designed for truck and rail scales in high capacities with low profile. The design of loading through a ball is insensitive to side load. The MDBD is constructed of alloy steel and is fully potted and sealed with special chemical compounds to IP67 providing excellent protection against water and moisture attack. The digital output enables the user to communicate with each MDBD independently of the others in the system, thus offering advantages in system setup, system control, corner correction, fault finding and load cell replacement.

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MDBD Digital Miniature Double-Ended Beam

FEATURES

  • Easy corner compensation of the weighbridge
  • Capacities: 10–30T
  • Digital output via RS485 or RS422 interface
  • High side load tolerance
  • Electroless nickel-plated alloy tool steel
  • Surge protection optional
  • Extensive internal diagnostics
  • External resolution: 240,000 counts
  • Internal resolution: 1,000,000 counts
  • Maximum transmission distance: 1200 m

APPLICATIONS

  • Truck / Rail scales
  • Silo / Hopper / Tank weighing

OUTLINE DIMENSIONS in millimeters

SPECIFICATIONS

PARAMETER VALUE UNIT
Standard capacities (Emax) 10, 20, 25, 30 ton
Rated output — R.O. 240,000 counts
Rated output tolerance 200 ±counts
Zero balance 200 ±counts
Combined error 0.0200 ±% of rated output
Non-repeatability 0.0200 ±% of rated output
Creep error (30 minutes) 0.03 ±% of rated output
Creep error (20–30 minutes) 0.01 ±% of rated output
Zero return (30 minutes) 0.03 ±% of rated output
Temperature effect on span 0.015 ±% of rated output / 10°C
Temperature effect on zero 0.026 ±% of rated output / 10°C
Compensated temperature range –10 to +40 °C
Operating temperature range –40 to +80 °C
Storage temperature range –40 to +90 °C
Minimum dead load 0 % of Emax
Safe dead load 150 % of Emax
Ultimate load 300 % of Emax
Excitation voltage 12.5 to 18 VDC
Recommended excitation voltage 15 VDC
Maximum current consumption 80 mA
Start up current 150 mA
Insulation resistance >5000 MΩ
Element material Alloy steel –
Sealing (DIN 40.050/EN60.529/IEC 529) IP67 –
Signal update per second 25 –
Baudrate 9600 Bits/s
Transmission type Asynchronous serial –
Start bits 1 –
Data bits 7 –
Stop bits 1 –
Parity Odd –
Maximum transmission cable length 1200 m
Data transmission interface RS422 (4 wires) / RS485 (2 wires) –

All specifications subject to change without notice.

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