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Ohaus D250QX Defender Rectangular Washdown Base 500 LB / 250 KG 3YR Warranty


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  • $1,503.00

Durable Industrial and Basic Bench Scale Bases

Building on the success of the ChampTM series of bench scales, the new OHAUS DefenderTM Bases offer two levels of durability for the most demanding industrial applications. All Defender Bases offer removable stainless steel weighing pans, IP67 protected single-point loadcells, steel construction, non-slip adjustable feet and integral leveling bubbles.

For standard industrial applications, the Defender Square, Rectangular and Square Washdown Scale Bases (Q, H and W models) offer the same folded and welded steel plate construction found in the popular Champ and Champ II series. For basic use where budget is more of an issue, the Defender Basic Rectangular Bases (B and V models) – available in dry-use and washdown models – offer welded tubular steel construction for economical yet durable performance.

With NTEP certification and Measurement Canada approval, all of these bases can be used for both general applications as well as where legal for trade performance is required.

Standard Features Include:

Removable stainless steel weighing pans

Steel frame construction with stainless steel for Washdown models, painted carbon steel for other models

IP67 protected single point loadcells, with stainless steel loadcells for Washdown models, aluminum loadcells for other models

Adjustable, non-slip rubber leveling feet and leveling bubble

1:5,000 certified performance for Defender Washdown Square and Square Bases (W and Q models), up to 1:3,000 performance for Defender Rectangular Bases (H, V and B models)

DefenderTM Scale Bases

Standard Features:
Defender Washdown Square, Square and Rectangular Bases

Removable Stainless Steel Pans

For quick cleaning, all bases come with removable stainless steel pans

Durable Base Frame Construction

Stainless steel pans and stainless
or painted form-and-weld frames
(R, L sizes) provide maximum durability, rigidity and structural integ-

rity. Load-unload cycle tested
to ensure long-term performance.

Fully Adjustable Feet

Four rugged, adjustable feet help prevent slippage on wet or uneven surfaces

Level Bubble Included

Base Construction

Defender Square Washdown Bases feature all stainless steel construction - pans, basework and loadcells, for complete washdown protection. Defender Square and Rectangular Bases are made from painted carbon steel with stainless steel pans and aluminum loadcells.

Product Specifications

Maximum Capacity 250.0 kg (500.0 lb)
Readability 0.05 kg (0.1 lb)
Readability (Certified) 0.05 kg (0.1 lb)
Platform Size (Length) 610.0 mm (24.0 in)
Platform Size (Width) 610.0 mm (24.0 in)
Legal for Trade EC Type Approvable;
Measurement Canada Approved;
NTEP Certified
Protection Rating IP67
Net Weight 35.0 kg (77.0 lb)
Dimensions (Length) 610.0 mm (24.0 in)
Test Weight 250kg, OIML M1 or ASTM CL F
Working Environment -10°C – 40°C, 85%RH, non-condensing
Platform Construction Stainless Steel
Working Environment 14°F – 104°F, 85%RH, non-condensing
Dimensions (Height) 127.0 mm (5.0 in)
Dimensions (Width) 610.0 mm (24.0 in)


Legal for Trade: NTEP CC No. 01-048A1 for W and Q bases, 99-203A3 for H bases and 08-021 for B, V bases;

Measurement Canada Approval No. AM-5717 for W and Q bases, AM-5667 for H bases and AM-5632 for B and V

Safety and EMC: cULus 2005/95/EC low voltage directive: EN60950-1:2001, FCC Part 15 Class A 2004/108/EC

EMC directive: EN61326-1:1997; +A1:1998; +A2:2001; + A3>2003

Other: Compliant to Directive 2002/96/EC on waste electrical and electronic equipment (WEEE) Quality: OHAUS quality management system registered to ISO 9001:2008


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