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D31P500TX Scale

Enlarge D31P500TX

Ohaus D31P500TX Scale for Sale

Item has been discontinued.
Weigh up to 1,000 pounds in increments of 0.5 lb in NTEP certified mode.  Non-NTEP resolution is 0.1 lb for applications not requiring legal for trade.  Ohaus Wheeled Defender 3000 bench scales provide industrial strength and portability all in one robust unit.

Regular Price: $1,656.00

Ground S&H: $80.00

Capacity x Resolution: 1,000 lb x 0.5 lb


Defender 3000 with WheelsThe Defender 3000 wheeled bench scale is a wheeled platform and handle-bar column that allows moving without lifting the scale. Featuring a rugged stainless steel pan, Legal-for-Trade, and a durable plastic indicator with flexible viewing positions, counting, backlit LCD display and built-in rechargeable battery operation, the OHAUS Defender 3000 Series wheeled bench scale is the affordable solution to your rugged and portable weighing applications.

Standard Features:

  • 20 x 28 in (51 x 71 cm) stainless steel pan
  • Painted steel handle-bar column and polyurethane wheels with quick-lock/unlock brake mechanism
  • 1:5,000 default resolution
  • 1:2,500 NTEP certified/Measurement Canada approved Legal-for-Trade resolution
  • Indicator features high-impact ABS plastic housing with painted steel adjustable viewing bracket
  • 1 in (25 mm) high LCD display with high-contrast backlight
  • Multiple weighing units: lb, oz, lb-oz, kg, g
  • Parts counting mode with selectable sample sizes, auto-retention of last sample size, and reference display of APW
  • Built-in bi-directional RS232C for printing or connection to PC
  • Power via AC adapter or 120-hour internal rechargeable lead acid battery
  • 1 Year Limited Warranty


SF40A Impact Printer $798.00
RS232 Cable and Adapter, SF40A $100.00
Rechargeable Battery Kit $117.00
Paper for Dot Matrix Printer (1 roll) $8.00
Ink Ribbon for Dot Matrix Printer $27.00
Ohaus Collect Software $446.00
TAL Software WinWedge $289.00
RS232 Cable, PC 9 Pin $90.00
RS232 Cable, PC 25 Pin $90.00
Second RS232 Interface Kit $32.00

Ohaus Scale Specifications
Certified Resolution: 1,000 lb x 0.5 lb / 500 kg x 0.2 kg
Capacity (avoirdupois): 1,000 lb
Readability (avoirdupois): 0.1 lb
Capacity (metric): 454 kg
Readability (metric): 0.1 kg
Pan size (in/cm): 20 x 28 in / 508 x 710 mm
Base construction: 304 stainless steel pan with painted steel frame, polyurethane wheels with locking mechanism, external level indicator
Column Height (in/cm): 40.5 in (1,030 mm), fixed height tubular painted steel with handle bar
Safe overload capacity (as percent of the rated load): 150% of rated capacity
Load Cell Drive: 350 Ω, IP67 aluminum, 2mV/V, 5-15V DC/AC
Indicator included: T31P indicator with ABS plastic housing and painted carbon steel U-mount bracket with angle adjustment knobs
Display: 1 in (25 mm) high, 6-digit, 7-segment LCD with high-contrast white LED backlight
Weighing units: lb, oz, lb-oz, kg, g
Functions: Parts Counting (min APW 1d)
Keyboard: 4 function mechanical switches, raised with positive feedback
Stabilization time (seconds): Within 2 seconds
Auto Zero Tracking: Off, 0.5, 1 or 3 divisions
Zeroing range: 2% or 100% of capacity
Span Calibration: 5 lb/kg to 100% of capacity
Interface: Bi-directional RS232
Operating Temperature Range: 14°F to 104°F / -10°C to 40°C
Powered By: 9-12 VDC, 0.5A, AC adapter with internal rechargeable lead acid battery (100-hour typical operation on full charge)
Scale Weight (lb/kg): 88 lb / 40 kg
Shipping dimensions (WxDxH) (in/cm): 30.7 x 46.1 x 10.6 in / 780 x 1170 x 270 mm
Shipping Wt. (lb/kg): 101 lb / 46 kg

Ohaus Defender 3000 Series - With Wheels!!
Model Cap. x Res. (LB)
Cap. x Res. (KG)
Platform Size
D31P250TX 500 lb x 0.2 lb 250 kg x 0.1 kg 20" x 28"
D31P500TX 1000 lb x 0.5 lb 500 kg x 0.2 kg 20" x 28"