A&D EK-15KL vs EK-30KL: Full-Range 0.1 g vs Smart Range Buyer Guide
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A&D EK-15KL vs EK-30KL comes down to whether you need 0.1 g readability across the full 15 kg range or a higher 30 kg capacity with smart-range behavior. Both share the same 300 × 210 mm platform and EK-L feature set, but their capacity/readability strategies solve different weighing problems.
EK-15KL: 15 kg × 0.1 g all the way
EK-15KL maintains 0.1 g readability through its entire 15 kg capacity. Choose it when loads stay below 15 kg and you want consistent fine display resolution whether the gross load is 500 g, 8 kg or 14 kg.
EK-30KL: 3 kg × 0.1 g / 30 kg × 1 g smart range
A&D specifies EK-30KL as 3 kg × 0.1 g and 30 kg × 1 g. Above the precision range, the display becomes 1 g; A&D notes that the 0.1 g precision range can be restored with Re-Zero for net additions under the right conditions. This is useful when a heavy container pushes gross weight above 15 kg but the ingredient being added still needs fine net resolution.
Example: heavy container formulation
Suppose a process uses an 18 kg vessel and adds smaller ingredients. EK-15KL cannot accept the gross load because it exceeds capacity. EK-30KL can handle the vessel and, using its smart-range/re-zero behavior as documented by A&D, can be the better fit for controlled net additions. If the vessel plus batch always stays under 15 kg, EK-15KL offers simpler full-range 0.1 g readability.
Shared platform and functions
Both models use the 300 × 210 mm stainless pan, backlit LCD, RS-232C, counting with ACAI, percent mode, comparator, display hold, auto power-off and optional rechargeable battery. The selection is therefore driven primarily by capacity profile and how the process uses fine resolution.
Repeatability and linearity
A&D publishes 0.3 g repeatability and ±0.6 g linearity for EK-15KL. EK-30KL has different performance figures by range. Compare full specifications against process uncertainty; do not select a model solely because one display shows more decimals.
Which should you buy?
Choose EK-15KL when 15 kg capacity is enough and continuous 0.1 g readability is a priority. Choose EK-30KL when loads can exceed 15 kg, especially when heavy containers are common, and the smart-range approach fits the net-weighing method. If neither capacity profile matches, step into a different scale class rather than forcing the application.
FAQ
Does EK-30KL always read 0.1 g?
No. A&D specifies a 3 kg × 0.1 g precision range and 30 kg × 1 g full range, with smart-range behavior that can restore fine net readability after re-zero under the documented conditions.
Does EK-15KL ever switch to 1 g?
A&D specifies EK-15KL at 0.1 g readability through its 15 kg capacity; it is not presented as the same smart-range configuration as EK-30KL.
Are the pans the same size?
Yes. A&D lists a 300 × 210 mm weighing pan for both EK-L models.
Which is better for a 12 kg batch?
If the total gross load stays below 15 kg and 0.1 g readability matters, EK-15KL is the straightforward fit.
Which is better for an 18 kg tare container?
EK-15KL is over capacity before product is added, so EK-30KL or another higher-capacity scale is required.
Do both support RS-232C?
Yes. A&D lists RS-232C as standard on the EK-L series.
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