Defender™ 3000 Field Test Scale

Category Industrial Scales
Manufacturer Ohaus
Country of manufacture the United States

Model D33P75SD Portable Precision Ready for the Field. The OHAUS Digital Field Test Scale is designed for precision material testing in the construction industry. With a capacity of 150lb and readability up to 0.05lb, you won’t have to sacrifice precision for portability. Key features include the durable plastic carrying case and dry cell battery with power for up to 150 hours, making the Field Test Scale a powerful addition to any job site.


  • Packaged in a durable plastic carrying case with latches and carrying handle, ensuring maximum portability
  • Backlit LCD display allows for easy reading of results, even in low-light conditions.
  • Can be powered using C cell batteries for up to 150 hours - optional internal rechargeable battery available.
  • 7 Segment LCD with Multicolor Backlight
  • Internal power supply with power cord (included), 6C (LR14) batteries (not included) or rechargeable battery (optional)
  • Standard RS232 and optional USB Device or Ethernet
  • ABS plastic indicator and case, powder-coated steel base
  • Flexible coiled cable (extendable up to 9 ft.), 125% overload protection, selectable span calibration points, auto-zero tracking, battery-saving auto-off, Geo Code geographical gravity calibration adjustment, and software menu lockouts
Key Attributes
Capacity 0.05 lb-150 lb
Readability 0.05 lb
Calibration Internal
Draft protection None
Data output port RS232 and USB
Warranty 2 Years
Manufacturer Specifications
Maximum Capacity 150 lb (75 kg)
Readability 0.05 lb (0.02 kg)
Platform Size (LxW) 12.4 in x 11 in (316 mm x 280 mm)
Legal for Trade Not applicable
Power 6 C (LR14) Batteries (Not Included); Rechargeable Battery (Not Included); AC Power (Included)
Battery Life 72 Hours with Rechargeable Battery; 120 Hours with Disposable Batteries
Communication Ethernet (Available as an Accessory); RS232 (Included); USB (Available as an Accessory)
Dimensions 16.9 in x 8.3 in x 19.3 in (430 mm x 210 mm x 490 mm) (LxHxW)
Display 7 Segment LCD with multicolor backlight
Net Weight 19.8 lb (9 kg)
Outputs Not applicable
Platform Construction Painted Steel Diamond Plate
Protection Rating Not applicable
Second Scale Input Not applicable
Tare Range To capacity by subtraction
Units of Measurement Metric Tons; Gram; Kilogram; Pound; Ounce; Pound:Ounce
Working Environment -10°C – 40°C, 85%RH, non-condensing (14°F – 104°F, 85%RH, non-condensing)



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Defender™ 3000 Field Test Scale Accessories