This model has been discontinued and replaced with the Defender i-D33P150B1L2.

Ohaus D31P150BL Defender 3000 NTEP Approved Bench Scale
with Rectangular Base

Standard level precision bench scale perfect for industrial weighing
300 pound capacity x 0.05 pound resolution

"In A Nutshell"
PowerRechargeable battery &
AC adapter (included)
DisplayBacklit LCD
Tare FeatureYes
Hold FeatureNo
NTEP Certificates08-066A1 & 08-021A5
Column Height27.6"
Platform Size16.5" x 5.4" x 21.6"
Indicator Size8.2" x 2.8" x 6.5"
Weighing Modes5

Included Accessories

  • AC Power Adapter

Weighing Modes

(d value)
NTEP Resolution:
(e value)
Mode: PoundsCapacity: 300.00 lbResolution: 0.05 lbNTEP Resolution: 0.1 lb
Mode: OuncesCapacity: 4800 ozResolution: 1 ozNTEP Resolution: -
Mode: Pounds : OuncesCapacity: 300 lbResolution: 1 ozNTEP Resolution: -
Mode: KilogramsCapacity: 150.00 kgResolution: 0.02 kgNTEP Resolution: 0.05 kg
Mode: GramsCapacity: 150000 gResolution: 20 gNTEP Resolution: -

Product Details

Class III NTEP Approved Legal For Trade The National Conference on Weights and Measures certifies this Ohaus Defender Legal for Trade with Certificate of Conformance Numbers 08-066A1 & 08-021A5. You can count on getting accurate readings time after time.

Average Piece WeightBefore you start counting your pieces, you need to let the scale know how much each piece weighs. Ohaus made this simple by averaging the weight of the pieces you put on the scale. Just type in how many pieces you put on the scale, and the Defender 3000 will average the weights. The bigger your sample is, the more accurate the scale will be when counting your pieces. The sample amount will even be stored on the scale for future use.

Does This Thing Count?You bet it does! All you need to do is weigh a sample amount of pieces, so the D31P150BL Defneder 3000 can know how much each piece weighs, then start counting. You'll be finished in no time.

Rechargeable Battery PackYou won't have to worry about searching high and low for a wall outlet to plug the D31P150BL Defender 3000 into. The Ohaus Defender scales have an internal rechargeable battery with up to 100 hours of battery life on a single charge!

Programmable Auto Off FeatureIf you've ever had your scale turn off on you in the middle of important measurements, you'll realize what a blessing this feature is. You can program the D31P150BL Defender 3000 bench scale to turn off automatically, or to stay on until you turn it off yourself.

Tare FeatureThe tare button on the front of the D31P150BL Defender 3000 can be pressed to "zero out" the weight on the scale. You can then add more weight, and the display will only show the weight of the item you're adding. This sure is useful when you want to use a separate weighing container or get the weights of separate items.

Stainless Steel PlatformThis bench scale has a durable stainless steel weighing platform to make cleanup a breeze. Unlike gold or silver, stainless steel doesn't scratch easily and keeps its shine without rusting or tarnishing.When you get this compact scale, you need to go over to the Ohaus website and register it to receive a one year warranty.

RETURN POLICY Please see the complete Ohaus return policy here.

Easy To Clean, Sealed KeypadYou won't have to worry about dust and dirt getting stuck under and around the buttons. This industrial scale has an easy to clean membrane keypad with accurately labeled keys for easy weighing.

Liquid Level IndicatorThis very handy feature helps you quickly and easily get your scale nice and level. All you have to do is adjust the feet on the bottom of the scale until the spirit bubble is centered within the level indicator. A level scale is important for getting the most accurate weight readings.

1 YEAR MANUFACTURER'S WARRANTY!When you buy the D31P150BL Defender 3000 bench scale you'll need to head on over to the Ohaus website and register it to receive your one year warranty.

RETURN POLICY Please see the complete Ohaus return policy here.

Product Reviews

Overall Customer Rating:
review-star review-star review-star review-star review-star
from 1 customer reviews.
Director of Production
review-star review-star review-star review-star review-star
Very happy, we use all Ohaus scales and like their durability and performance.

Our only issue is the plug body that is a 2 pc unit that tends to break.

Reviewed by: Michael Lewin-Jacus from on 3/21/2017

Product Questions

Number of questions: 0

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