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Ohaus SPJ303 AM

MFR PN: 83999950
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Ohaus SPJ303 Carat Scale

Compact jewelry scale with a 0.005 carat resolution
300 carat capacity x 0.005 carat resolution

The Ohaus SPJ jewelry and carat scale.
"In A Nutshell"
Power AC adapter (included)
9 Volt battery (not included)
Display LCD
Tare Feature Yes
Protective Cover Attached
Calibration Feature Yes
Count Feature Yes
Platform Size 3.5" diameter
Scale Size 8.3" x 7.5" x 4.4"
Weighing Modes 13
Included Accessories
AC power adapter / charger
  • AC Power Adapter

Weighing Modes
Mode: Capacity: Resolution:
Grams 60.000 g 0.001 g
Carats 300.000 ct 0.005 ct
Ounces 2.11445 oz 0.00005 oz
Pennyweights 38.580 dwt 0.001 dwt
Grains 926.06 gn 0.02 gn
Troy Ounces 1.92900 ozt 0.00005 ozt
Kilograms 0.060000 kg 0.000001 kg
Pounds 0.132155 lb 0.000005 lb
Product Details
  • Does This Thing Count?

    You bet it does! All ya need to do is weigh a sample amount of pieces, so the scale can know how much each piece weighs, then start counting. This is great if you're using the SPJ-303 as a jewelry scale for weighing your precious gems and jewels, you'll be finished counting in no time.

  • Adjustable Feet

    To get the most accurate weight readings from this bench scale, it's best to keep it nice and level when weighing. This Ohaus jewelry scale has adjustable feet that twist in and out, so the SPJ 303 can be level wherever you decide to use it.

  • Easy Calibration

    This jewelry scale comes factory calibrated and ready to use. Just in case ya need to calibrate it, the SPJ comes with easy to follow calibration instructions. You'll just need to pick up a 30 gram calibration weight to get the job done.

  • Protective Windscreen

    When you're weighing with high precision scales like this one, even the tiniest breeze can interfere with weight readings. This Ohaus scale comes with a bubble like windscreen to keep out those pesky drafts.

  • Stainless Steel Platform

    The SPJ 303 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.

  • Tare Feature

    The tare button on the front of this digital scale 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 items you're adding. This sure is useful when ya want to use an expansion scoop to weigh your things, or if ya want to get separate weights of multiple items.


    When ya get this jewelry scale, ya need to go over to the Ohaus website and register it to receive a two year warranty.

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