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Precision Weighing Balances is proud to be one of the few Authorized Distributors in the USA to offer the AND Weighing EK-610J. Not to be confused with the A&D EK-610i (notice the last character in the model number is "J" verses "i"). The EK-610i is "non-NTEP" while the EK-610J is "NTEP Approved 6000d Class II Scale". The EK-610J is legal for trade and meets the weighing requirements for a Colorado medical marijuana centers (MMC) that Colorado's presently accepts for retail weighing of cannabis. Always check with your state Weights and Measures Inspector for the most up to date regulations.
The EK-610J DOES NOT have a functioning serial RS232 interface so you CAN NOT connect the EK610J scale to a computer, printer nor auxiliary display. Since there is no serial or USB interface you CAN NOT interface the scale with any point of sale software like BioTrackTHC marijuana business software for dispensaries inventory management. The EK610J does work fine as a counter top scale for weighing cannabis.
For those people using the BioTrackTHC or other marijuana point of sale system for dispensaries inventory management implementing a scale for cannabis sales tracking to communicate with the Bio TrackTHC please review these electronic scales equipped with an RS-232 - either the FX300iN, FX1200iN, FX2000iN or FX3000iN which are purchased by many Colorado recreational marijuana dispensaries but, these models cost much more than the EK610J. So if you do not need a serial interface to a computer you can save a lot of money with the EK610J.
AND EK610J NTEP approved Class II Legal For Trade scale from AND Weighing has a maximum weighing capacity of 600g with 0.01 gram readability. The "d"(value of scale division) is 0.01 grams and the "e" (value of verification scale division) is 0.1 grams. The balance meets the requirements as a Class II weighing device defined in Handbook 44. All this information can be verified by downloading the CofC # 06-054 so you can printout this certificate to check with your Weights & Measurements Inspector if they will allow you to use the EK610J for your particular weighing application.
Medical marijuana business operators must comply with specific rules associated with the final weighing and packaging of medical marijuana or medical marijuana infused products before such items are prepared for transport pursuant Colorado Measurement Standards Act. The scale used to weigh product to be transported shall be certified in accordance with measurement standards established in Article 14 of Title 35, C.R.S. A scale used to weigh product being received shall be certified in accordance with measurement standards established in TITLE 35. AGRICULTURE - WEIGHTS AND MEASURES - ARTICLE 14.MEASUREMENT STANDARDS - 35-14-127. Licenses - fees - rules - stickers - certificates.
For cannabis retail dispensaries in Oregon the Weights & Measures Authorities will NOT allow you to use the EK610J. Instead Oregon requires a more accurate digital scale like the FX300iN. This is because "d"(value of scale division) is NOT the same as "e" (value of verification scale division) for the EK610J. We recently heard California is now following Oregon enforcement rules. Always check with your particular requirements since State, County and City regulations are evolving in this new era of legalize marijuana. Just because your friend owns a dispensary down the street and is using a particular model scale does not mean if you buy the same model they will allow you to use the scale since your friend might fall under a grandfather clause under the old law.
Although Colorado accepts either the value of "d" or "e" reading to 0.01 grams as of March 2016 we believe many states will require you to follow Oregon's requirements since it follows the rules outlined in "NIST Handbook 44: Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices".
When "d" and "e" are not the same value the last division on the scale's display is "boxed". If you placed a bunch of buds on the EK610J the display might read 85.1 grams. You can not say the marijuana is 85.12 grams and since "d" and "e" are not equal so the last decimal is uncertain. The clerk should tell the customer - you have 85.1 grams of cannabis.
Weights & Measures Inspectors are suppose to follow the guidelines in Table 8 of section 2.20 Scales in NIST Handbook 44, 2.2 Theory of Tolerances in Appendix A for determining the applicable scale for the weighing application. You can download sections of NIST Handbook 44 - 2012 Edition here.
Table 8 says that the smallest item weighed on a class II scale with a verification scale division size of 0.1g should weigh at least 5 grams (50 divisions) - the EK610J meets this description. The smallest item weighed on a class II scale with a verification scale division size of 0.01 gram should weigh at least 0.2 grams (20 divisions) - the FX300iN meets this description. If a cannabis retailer is going to weigh under 5 grams of marijuana to comply with the NIST Handbook 44 you should be purchasing the FX-300iN.
The Theory of Tolerances states that the tolerance allowed on a commercial device should not cause economic injury to either the buyer or the seller. A class II scale with a verification scale division size 0.1 gram is allowed 1 division (0.1 g) maintenance tolerance for weights between 0 and 500 grams. So if you had a known weight and we'll say a 300g calibration weight weighed on the EK610J LFT NTEP scale with a verification scale division of 0.1 gram the NTEP scale could read 299.9g, 300.0g or 300.1g and be within tolerance.
If medical marijuana shops are selling cannabis for $20 a gram to medical cannabis patients and the average purchase amount at dispensaries is less than 5 grams let us demonstrate economic damage. If a client wants to purchase 1 gram weighed on the EK610J Class II scale with a verification scale division size 0.1 gram it is allowed 1 division (0.1 g) of error. So that is either $2.00 you are shorting the customer(buyer) or dispensary(seller) if weighing on the EK-610J.
Now if the same the medical marijuana dispensary is weighing on the FX-300iN that has a verification scale division size 0.01 gram it is allowed 1 division (0.01 g) of error resulting is either 20 cents you are shorting the customer(buyer) or dispensary(seller). Now you can see why we always recommend buying a more accurate weighing device since although you may think the scale always weighs to benefit the seller you just might be short changing yourself. You could be giving away $2.00 for each customer leaving your store when you buy the wrong scale.
This is why retail marijuana dispensary store that sells less than 1 ounce in Oregon that Weights & Measures Inspectors will only accept "e" with a division value of 0.01 grams or less. The FX-300iN meets the requirements to comply with the medical marijuana dispensary requirements for a weighing device in Oregon, but again the EK610J does not.
When the EK-610J digital balance is first installed it should be calibrated to ensure accurate weighing results. We offer a full line of calibration weights including the recommended 500g calibration weight for the EK610J. Every location in the world is positioned differently to "magnetic north" and therefore the acceleration of gravity is slightly different. Some Weights & Measures Inspectors will calibrate your EK610J when they come and inspect the balance and put it into service. Other states required only a licensed certified scale technician to perform calibration and they charge up to $225 just to place the calibration weight on the weighing platform. Other states will allow you to calibrate your own balance.
Again you should check with your Weights & Measures Division about calibration especially since calibration weights are not returnable. Other states that have legalized medical cannabis have specific testing guidelines for scales used by medical-marijuana dispensaries to ensure that what's being sold actually measures up and you should check with the regulatory authorities to verify exactly what you need.
Typically the Department of Agriculture or Weights & Measures for your state have laws requiring them to checking the accuracy of all scales used for any item or commodity bought or sold by weight and one of the first requirements is the scale must be legal for trade.
Additional applications for the EK610J would be for precious metal buyers requiring a legal for trade scale at an affordable price. If you watch the popular Discovery Channel "Gold Rush" in Season 6 you'll see Todd Hoffman, Parker Schnabel and Tony Beets team using an A&D EK Series digital scale to weigh their gold after many clean outs on the show.
Another selling point is AND Weighing fabulous product support. A&D Weighing has a dedicated product support line by calling 1-800-726-4940 6:00 am to 5:00 pm PST. Finally the A&D is simply to use and configure. The product manual is written for the average person to configure their scale verses having to spend $100's calling for scale company help you figure out how to use the weighing device.
Precision Weighing Balances has been an Authorized AND Weighing Distributor for over a decade. See the full line of A&D EK Scales here.