Model 4042ECO-WB-26™ Economical Spill Containment Drum Scale with Bladder


  • Splashes and small spills of hazardous chemicals are captured within the containment basin
  • Meets secondary spill containment requirements by the EPA, OSHA, and other local agencies
  • Standard base size: 26″x24″ (w/ bladder) – other sizes available
  • Net capacity: Up to 1,000 lbs. (454 kg) – other capacities available
  • Containment capacity: 77 gal.
  • High accuracy of ±0.25%
  • Single or multi-channel controllers with easy readability to 0.1 lb. (kg)
  • Readout in pounds, kilograms, gallons or liters

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Scaletron 5 Year Warranty on All Scale Products

Economical Drum Scale with Expandable Bladder Meets EPA & OSHA Requirements for Spill Containment

The Model 4042ECO-WB-26 Economical Spill Containment Drum Scale with Bladder is designed for weighing tanks and drums up to 26″ in diameter and offers a net capacity of up to 1,000 lbs. The containment basin and deployed bladder hold a total of 77 gallons. Featuring corrosion resistant construction and an economical single load cell design, the scale base is ideal for centered load, pump in/out applications and meets secondary spill containment requirements of government agencies. Indicators are available from 1 to 4 channels with 4-20 mA outputs and optional set point relays. MADE IN USA.

Standard Features

  • Rugged steel construction protected by corrosion resistant, zinc oxide primed and dry powder epoxy coated finish, with polyethylene containment basin for use in harsh environments
  • Designed for centered loads – includes heavy-duty steel backstop to help position the drum
  • Expandable bladder automatically deploys in the event of a major spill
  • Hinged base can be lifted for easy access and cleaning of the basin
  • NTEP stainless steel shear beam, temperature compensated load cell with stainless steel leveling foot
  • Load cell is mounted outside of spill containment basin to eliminate damage due to chemical spills
  • All hardware is stainless steel to prevent corrosion
  • Electronic indicator housed in NEMA 4X, UL approved enclosure to provide protection from acids
  • 20 ft. of 4 conductor wire cable

Available Controllers

  • AccuPro 5000 Digital Controller with one or 2 channels, encoder knob or 3 button keypad, audible alarm and 4-20 mA output signal – scale or loop powered
  • Model 1099 Chemical Process Controller with 1 to 4 channels, 20 button keypad and 4-20 mA output signal – scale or loop powered


  • High and low level set points
  • 0-5V or 0-10V output signal
  • Remote mounting of indicator box up to 200 feet (61 meters) away – includes junction box and additional length of 4 conductor wire cable


  • Scale is designed to accurately measure weight of alum, ammonia, caustic, fluoride, phosphate, polymers, sodium aluminate, sodium bisulfate, sodium hydroxide, sodium hypochlorite and other liquids or powders