Defender™ 3000 Series Bench Scales (Ohaus)

The OHAUS Defender™ 3000 Series economy line of bench scales is ideal for general weighing and simple counting applications. These scales feature a simple, yet rugged, tubular-frame base design and indicators with tactile keys, backlit LCD display, built-in rechargeable battery operation and flexible mounting capabilities. The Defender 3000 Series is the solution to your weighing applications that require dependability within an affordable budget.

  • Indicator features a high-impact durable ABS housing with reversible face for either wall, column or table-top mounting
  • Adjustable non-slip rubber leveling feet with externally visible level indicator
  • Parts counting mode with selectable sample sizes, last sample size and Average Piece Weight data
  • High LCD weight display with high-contrast backlight
  • Built-in RS232 for printing and data connection

Item No. 3109-01 3109-06
Mfr. Item No. D31P60BR D31P150BL
Capacity x Readability (d) 150 lb x 0.02 lb /
60 kg x 0.01 kg
300 lb x 0.05 lb /
150 kg x 0.02 kg
Platform Dimensions (WxDx min H) 12 x 14 x 4.8 in / 305 x 355 x 123 mm 16.5 x 21.6 x 5.4 in /
420 x 550 x 136 mm
Column 13.8 in / 350 mm fixed height, tubular painted steel 27.6 in / 700 mm fixed height, tubular painted steel
Net Weight 26 lb / 12 kg 42 lb / 19 kg
Maximum Displayed Resolution


Load Cell Protection


Base Construction

304 stainless steel pan with painted carbon steel frame, non-slip rubber leveling feet

Leveling Component

Externally visible level bubble and adjustable leveling feet with locking nuts

Safe Overload Capacity

125% of rated capacity

Weighing Units

g, kg, oz, lb


Weighing, Parts Counting

Weight Display

6-digit, 7-segment backlit LCD, 1 inch / 25 mm high digits


4 function mechanical keys, raised, tactile

Stabilization Time

Within 2 seconds

Auto-zero Tracking

Off, 0.5, 1 or 3 divisions

Key Zeroing Range

2% or 100% of capacity

Span Calibration

5 lb/kg to 100% of capacity, user selectable


AC adapter with 100-hour internal rechargeable lead acid battery (included)


Bi-directional RS232C

Operating Temperature Range

14°F to 104°F / -10°C to 40°C


One year

Description/Item No. Capacity Your Cost/Qty Purchase
Defender™ 3000 Series Bench Scales
150 lb capacity
18% discount
Sign in to Buy 1 item(s) available to ship. 1 item(s) available to ship.
Defender™ 3000 Series Bench Scales
300 lb capacity
18% discount
Sign in to Buy This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you’d like us to keep stock in the future In Stock