





Provide full measurement transparency and lab-grade accuracy during over-the-counter diamond and precious metal transactions. The TANITA® KP-601 Professional Carat Scale is engineered with a double-sided blue-backlit LCD system, displaying real-time weight readouts simultaneously to both the merchant and the client from opposite sides of the counter. Featuring a high capacity of 500 ct / 100 g with an increment down to 0.01 ct / 0.002 g, a built-in transparent draft shield, an integrated leveling bubble, and dual power options (AC adapter or AA batteries), this scale provides reliable precision across jewelry showrooms, gemological labs, dental facilities, and pharmacies.
Why Choose the TANITA® KP-601 Carat Scale
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Industry-First Dual-Sided Backlit Displays: Front and rear blue-backlit LCD screens allow the appraiser and customer to verify measurements at the same time without turning or shifting the unit.
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500 ct / 100 g Capacity with 0.01 ct Increment: High-precision sensor resolution reads down to 0.01 ct (0.002 g), providing exact measurements for melee parcels, large gemstones, and precious scrap.
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Protective Draft Shield Lid: Transparent hinged windshield neutralizes ambient air currents, HVAC drafts, and breathing interference for fast stabilization.
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Six Professional Weighing Modes: Easily switch between:
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Carat (ct): 500 ct × 0.01 ct
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Gram (g): 100 g × 0.002 g
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Ounce (oz): 3.52 oz × 0.0001 oz
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Troy Ounce (ozt): 3.2125 ozt × 0.001 ozt
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Pennyweight (dwt): 64.3 dwt × 0.002 dwt
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Grain (gr): 1543.25 gr × 0.05 gr
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Integrated Liquid Level Bubble & Adjustable Feet: Ensures a level horizontal surface on uneven counters to protect measurement repeatability.
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Versatile Dual Power Options: Operates via the included AC power adapter for stationary bench duty, or using AA batteries for portable field appraisals and trade shows.
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Dedicated 100g Calibration Cavity: Molded top housing securely stores the included calibration weight alongside the gem pan for quick calibration routines.
Technical Specifications
| Brand Authority | TANITA® |
| Product Model | KP-601 Carat Scale (Dual Display) |
| Display Architecture | Dual Blue-Backlit LCD Screens (Front Operator + Rear Client) |
| Draft Protection | Integrated Hinged Transparent Draft Shield Cover |
| Overall Dimensions | 7.3 in × 7.4 in (185 mm × 188 mm) |
| Net Unit Weight | Approx. 27 oz (765 g) |
| Leveling System | Liquid Bubble Level Indicator with Adjustable Rubber Feet |
| Power Requirements | Dual Power: Included AC Wall Adapter or AA Batteries |
| Included Accessories | Instruction Manual, AC Adapter, Gem Cup / Pan, AA Batteries |
Free Global Shipping
We process orders within 1-3 business days. Estimated standard international delivery is 6-12 business days.
14-Day Returns
We have a 14-day return policy. Items must be unused, with all original accessories, and in original packaging.
For full details, please refer to our Shipping and Refund policies at the bottom of the page.








