Defender low profile bench scale
- 12 months limited warranty
- 100 hours rechargeable battery
- Default resolution 1:6,000 to 1:7,500; NTEP certified and Measurement Canada approved to 3,000e
- 304 stainless steel pan with painted carbon steel frame and aluminum IP67 load cell
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CLICK HERE FOR A CALIBRATION CERTIFICATE $90.00 CAD |
Ohaus Defender low profile bench scale for Application-Based Model Selection
Especially useful for laboratory weighing, formulation, sample preparation, incoming inspection, and production quality control, where the right choice often depends on differences in capacity, readability, pan size, portability, and calibration options.
Best for general weighing and simple counting applications in production, packaging, warehouse, inventory, and shipping and receiving areas.
Featuring a simple yet rugged tubular-frame base design, indicators with tactile keys, backlit LCD display, built-in rechargeable battery operation, and flexible mounting capabilities, these scales are ready to take your operation to the next level.
Standard Features:
• Four Capacities: 33 lb/15 kg, 66 lb/30 kg, 132 lb/60 kg, and 330 lb/150 kg (depending on calibration unit used).
• Default resolution 1:6,000 to 1:7,500; NTEP certified and Measurement Canada approved to 3,000e.
• 304 stainless steel pan with painted carbon steel frame and aluminum IP67 load cell
• Indicator features a high-impact durable ABS plastic housing with painted steel mounting to the front of scale base for applications requiring a low-profile. Mounting has a handle built-in for easy transportation.
• Adjustable non-slip rubber leveling feet with externally visible level indicator
• Multiple weighing units: lb, oz, lb: oz, kg, g (depending on model)
• Parts counting mode with selectable sample sizes, last sample size, and Average Piece Weight data
• 1-in/25mm high LCD weight display with high-contrast backlight
• Built-in RS232 for printing and data connection
• AC adapter and internal rechargeable lead acid battery included
Features:
Indicator housing with internal rib reinforcements, reversible front/rear cover, built-in RS232C with manual continuous/interval printing, hardware configuration lockout switch, internal lead-acid rechargeable battery, and AC adapter. Software included parts counting mode with selectable sample sizes, selectable span calibration points, averaging level, auto-zero tracking, battery saving auto-off, Geo Code geographical gravity calibration adjustment, and software menu lockouts. 
Durable ABS plastic terminal houses a 100-hour rechargeable battery which allows for continuous operation for five straight days 
This tough industrial-scale features a 304 stainless steel platform, painted steel tubular frame, aluminum load cell, and painted steel base mount bracket. Includes a handle for easy scale mobility. 
Easy-to-read display & basic counting mode allow for simple operation for everyday basic industrial applications. Offered with NTEP/Measurement Canada or OIML/EC Typeapprovals (depending on region).
Related Products
For additional industrial weighing solutions, check out the High-Capacity Precision Balances for heavy-duty applications, the Ranger 7000 Series for high-resolution industrial weighing, or the Explorer Analytical Balances for precise laboratory measurements.
DEFENDER LOW PROFILE BENCH SCALE - HOW TO USE
TO ENTER THE MENU MODE
Press and hold the Menu button until MENU appears on the display. The first upper-level menu appears on the display.
Summary of button navigation functions in menu mode: --Yes Allows entry into the displayed menu.
- Accepts the displayed setting and advances to the next menu item. --No Skips by the displayed menu.
- Rejects the displayed setting or menu item and advances to the next available item.
- Back Moves backward through the upper and middle-level menus.
- Backs out of a list of selectable items to the previous middle-level menu.
- Exit Exits from menu directly to the active weighing mode.
Learn more in the Instruction Manual / Quick Start Guide
Product Q&A
What applications is the Defender Low Profile 3000 series designed for?
It is ideal for general weighing and simple counting in production, packaging, warehouse, inventory, and shipping/receiving areas.
What capacities and resolutions are available?
Four capacities are offered: 33 lb/15 kg, 66 lb/30 kg, 132 lb/60 kg, and 330 lb/150 kg, with default resolutions ranging from 1:6,000 to 1:7,500. NTEP and Measurement Canada approved to 3,000e.
What are the main construction features?
It features a 304 stainless steel platform, painted steel tubular frame, ABS indicator housing, aluminum IP67 load cell, and built-in handle for portability. Adjustable rubber leveling feet and backlit LCD display enhance usability.
What modes and functions are included?
Standard features include parts counting with selectable sample sizes, averaging level, selectable span calibration points, auto-zero tracking, battery saving auto-off, and Geo Code geographical gravity calibration adjustment.
How is data communication handled?
The Defender Low Profile includes a built-in RS232 port for easy printing and data transfer. Software and menu lockouts provide additional security for industrial use.
What kinds of users typically buy this product line?
These products are commonly considered by organizations involved in laboratory weighing, formulation, sample preparation, incoming inspection, and production quality control where buyers need to compare capacities, readability, pan size, portability, or calibration options across sister models.
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Models |
D31P15BR5 |
D31P30BR5 |
D31P60BR5 |
D31P60BL5 |
D31P150BL5 |
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Capacity × Readability (d) |
33 lb × 0.005 lb 528 oz × 0.05 oz 15 kg × 0.002 kg 15,000 g × 2 g |
66 lb × 0.01 lb 1056 oz × 0.2 oz 66 lb × 0.2 oz 30 kg × 0.005 kg 30,000 g × 5 g |
132 lb × 0.02 lb 2,112 oz × 0.5 oz 60 kg × 0.01 kg 60,000 g × 10 g |
132 lb × 0.02 lb 2,112 oz × 0.5 oz 60 kg × 0.01 kg 60,000 g × 10 g |
330 lb × 0.05 lb 5,280 oz × 0.5 oz 150 kg × 0.02 kg 150,000 g × 20 g |
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Capacity × Readability (d) (Cal unit lb) |
30 lb × 0.005 lb 480 oz × 0.1 oz 30 lb × 0.1 oz 13.6 kg × 0.002 kg 13,600 g × 2 g |
60 lb × 0.01 lb 960 oz × 0.2 oz 60 lb × 0.2 oz 27 kg × 0.005 kg 27,000 g × 5 g |
150 lb × 0.02 lb 2,400 oz × 0.2 oz 68 kg × 0.01 kg 68,000 g × 10 g |
150 lb × 0.02 lb 2,400 oz × 0.2 oz 68 kg × 0.01 kg 68,000 g × 10 g |
300 lb × 0.05 lb 4,800 oz × 1 oz 300 lb × 1 oz 136 kg × 0.02 kg 136,000 g × 20 g |
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Displayed Resolution |
1:7,500 |
1:6,000 |
1:7,500 |
1:7,500 |
1:7,500 |
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Capacity × Readability approved (e) (Cal unit lb) |
30 lb × 0.01 lb |
60 lb × 0.02 lb |
150 lb × 0.05 lb |
150 lb × 0.05 lb |
300 lb × 0.1 lb |
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480 oz × 0.2 oz |
960 oz × 0.5 oz |
2,400 oz × 1 oz |
2,400 oz × 1 oz |
4,800 oz × 2 oz |
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Approved Resolution |
1:3,000 |
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Platform (W × D × min H) |
12 × 14 × 4.8 in / 305 × 355 × 123 mm |
16.5 × 21.6 × 5.4 in / 420 × 550 × 136 mm |
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Front View Dimensions (F1 × F2 × F3 × F4 × F5 × F6) |
8.3 x 6.5 x 12 x 4.8 x 2.9 x 10.1 in 210 × 166 × 305 × 123 × 75 × 256 mm |
8.3 x 6.5 x 16.5 x 5.4 x 3.2 x 14.6 in 210 × 166 × 420 × 136 × 80 × 371 mm |
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Side View Dimensions (S1 × S2 × S3 × S4 × S5) |
5.1 x 23.8 x 13.8 x 12 x 2 in 130 × 605 × 355 × 306 × 52 mm |
5.1 x 31.5 x 21.7 x 19.7 x 2 in 130 × 800 × 550 × 500 × 52 mm |
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Safe Overload Capacity |
125% of rated capacity |
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Functions |
Weighing, Parts Counting |
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Weight Display |
6-digit, 7-segment backlit LCD, 1 inch / 25 mm high digits |
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Keyboard |
4 function mechanical keys, raised, tactile |
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Stabilization Time |
Within 2 seconds |
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Auto-zero Tracking |
Off, 0.5, 1 or 3 divisions |
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Key Zeroing Range |
2% or 100% of capacity |
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Span Calibration |
5 lb/kg to 100% of capacity, user selectable |
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Power |
AC adapter with 100-hour internal rechargeable lead acid battery included |
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Interface |
Bi-directional RS232C |
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Operating Temperature |
14°F to 104°F / -10°C to 40°C, Maximum relative humidity 80 % for temperatures up to 88°F / 31°C |
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Range |
Decreasing linearly to 50 % relative humidity at 104°F / 40°C, non condensing |
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Net Weight |
25 lb / 11.5 kg |
43 lb / 19.5 kg |
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Shipping Weight |
33 lb / 15 kg |
51 lb / 23 kg |
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Shipping Dimensions |
25.3 × 19.6 × 8.5 in / 642 × 497 × 212 mm |
33.7 × 22.2 × 8.9 in / 857 × 564 × 225 mm |
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Product Models
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