Precision Weighing Balances
Your online source for balances, scales & calibration weights @ discount prices

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Gempro 250 professional high precision digital electronic jewelry scale is ideal for weighing diamonds, gold, precious gems and jewelry. The compact design and high precision of accuracy makes this the perfect scale for any jeweler. This jewelry scale has six selectable weighing functions: carats, grams, ounces, troy ounces, pennyweight, and grains, which makes this one of the most versatile gem scales on the market today. Gem Pro 250 portable scale weigh up to 50 grams in 0.001 gram increments.

Gempro precision digital scale has 2 calibration modes (sensitivity calibration and linear calibration) and includes an ASTM Class F2 calibration weight at no additional cost. These precise Gempro scales also offer full capacity tare capabilities, programmable auto-off function (1-9 minutes), bright backlight, stainless steel weighing platform, adjustable feet, and level bubble indicator to provide you excellent performance in precision weighing. MyWeigh GemPro 250 is packed with so many features we decided to drop the Tanita Diamond Scale line like the 1230 and 1210N.

My Weigh GemPro250 can be used by other markets, not just the jewelry market. Weighing air rifle pellets from 6.5 to 30.9 grains with accuracy ±0.02 grains (standard electronic powder scale like the PACT, Lyman typically only offer ±0.1 grains.) If you are a ammo reloader for competition benchrest shooting and want every round loaded to the kernel the GemPro250 will NOT work and you'll need to spend a lot more money for the Sartorius Entris64-1S.

Other applications include weighing vitamin supplements into gel caps, verifying dispensing equipment, mixing small quantities of epoxy or adhesive or how about rubber bands for free-flight planes?

Gem Pro electronic jewelry scales offer jewelers portability by offering AC power (adapter included) or option of running on 4 AAA batteries. Weighing accessories included with these milligram balances are: retractable wind shield cover, expansion scoop / bowl, calibration weight and a protective hard carrying case.

You can only purchase the Myweigh GemPro 250 using PayPal. If you don't want to use PayPal you can also mail us a Postal Money Order using our custom Mail Order Form by clicking the "money order" link to the right. NO PHONE ORDERS ACCEPTED. Using Paypal allows us to process your order quickly enabling us to offer you the deep discount prices internet buyers demand. Ships via US Priority Mail anywhere in the USA including PO Boxes, AK, HI & PR.

My Weigh Gempro250 diamond scale

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Brand Model Capacity Readability
My Weigh Gempro250 diamond scale 50 g 0.001 g
Add. Features
  • Carats
  • Grains
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
Comparable Scales

My Weigh Gempro500 jewelry scale - $129.90

Other Brands EPB-103 Milligram Scale - $234.88

Sartorius ENTRIS323-1S chemical weighing - $705.28

Sartorius Practum 213-1S milligram balance - $1014.60

Scientech ZSP150 Milligram Scale - $1025.00

My Weigh i101 Precision Scale - $117.34

A&D Weighing FX-120i reloading scales - $659.99

Scientech ZSP150NJ Mg Balance - $1199.00

Other Brands EPB-203 Milligram Science Scale - $299.88

Mettler Toledo JS703C/A carat balance - $1739.00

Mettler Toledo JS1603C/A diamond scale - $1899.00

Adam Equipment HCB123 portable milligram scale - $340.00

A&D Weighing FZ120iWP Milligram Washdown Scale - $1378.50

A&D Weighing FX120iN NTEP Class 2 approved scale - $757.50
MSRP: $275.00
YOU PAY $169.90
Watch the video above how to calibrate the Gempro250 and how to configure the auto off function and backlight settings.
Mempro scale

My Weigh GemPro250 Milligram Balances
Milligram Balances
Looking for affordable milligram balances?  Look no further! My Weigh GemPro250 milligram balances offer 50 grams maximum weighing capacity in milligram intervals.  This digital scale includes all the functions, features, and accessories that jewelers have been searching for in ONE electronic scale for years. 

We love the Gempro250 so much for the value, features, performance and price that we dumped Tanita Diamonds Scales (Tanita 1210-50, Tanita 1210-100, & Tanita 1230) and will never sell Tanita Carat Scales ever again.  Precision Weighing Balances' customers depend upon us for value and many of our customers complained about the high cost of Tanita and additional features they didn't like about Tanita. 

When Dendritics stopped production of the Dendritics Gemscale 50® Pocket Portable Carat Scale, jewelers only had the Tanita 1210 as a replacement.  The complaints we received were almost non-stop that the Tanita 1210-100 and Tanita 1210-50 batteries would run out much sooner than expected.  Since both these Tanita models only ran on batteries customers were stuck spending a lot of money for batteries.

My Weigh GemPro250 digital milligram scale is bound to surpass the expectations of even the most demanding jeweler.  With dual-division capability, 2 calibration modes , 6 weighing modes (grams, carats, ounces, troy ounces), retractable windshield cover, bright backlight, and an included AC adapter, this digital scale is in a league of its own.  Also included is a calibration weight, a stainless steal weighing tray, an expansion scoop/bowl, and a protective hard carrying case. My Weigh GemPro250 portable mg balances have a capacity of up to 50 grams in 0.001 gram intervals.

Jewelry Balances

Mg Balance Features:
  • 2 Calibration Modes (Sensitivity Calibration & Linear Calibration)
  • Retractable Wind Shield Cover
  • Leveling System
  • 6 Weighing Modes
  • ASTM Class F2 Calibration Weight (included)
  • Runs on 4 AAA Batteries or AC Adapter (included)
  • Stainless Steel Weighing Tray and Expansion Scoop/Bowl (included)
  • Full Tare Capabilities
  • Programmable Auto Off
    (1-9 Minutes)
  • Bright Backlight
  • Adjustable Dual Division
  • Gem Scale Protective Case (included)
  • Full Lifetime/30 Year International Warranty
Low Cost Milligram Balances
Jewelry Scales
Gun and ammo reloaders really need to watch the video above. See the Sartorius Entris64-1S in action and where professional shooters all over the world are learning to forget those low cost strain gauge scales that don’t work (see this video to see the difference). See how the RCBS10-10 beam scale can not even sense the weight of a kernel of powder. Watch the Omega Powder Trickler drop one kernel at a time. A kernel of Hogdgon H4350 powder weighs between 0.020 - 0.030 grains and the Sartorius Entris64-1S increments in 0.002gn. If you are tired of all the headaches using digital scales in the past it is time for you to buy a real balance that can weigh correctly.

My Weigh Gempro250 Jewelry Balance
Model Gempro250
PWB Price $169.90 Jewelry Balance
Shipping and Handling via Priority Mail $9.95
Capacity x Readability
250.00 ct x 0.005 ct
Capacity x Readability
50 g x 0.001 g
Capacity x Readability
1.764 oz x 0.00005 oz
Capacity x Readability
(troy ounces)
1.608 ozt x 0.00005 ozt
Capacity x Readability
32.151 dwt x 0.001 dwt
Capacity x Readability
771 gn x 0.02 gn

MyWeigh no longer lists a linearity spec but from our experience ± 5 divisions or 0.005 g - 0.025 ct - 0.1 gn - 0.00025 oz - 0.00025 ozt - 0.05 dwt. The Weigh Sensor is a Strain Gauge

Units Carats, Grams, Ounces, Troy Ounces, Pennyweight, Grains
Tare Range Tare Full Capacity
Calibration Auto Calibration With Calibration Weight (included)
Power Requirements 4 AAA Batteries (NOT INCLUDED), or
AC Adapter (Included)
Platform Material Stainless Steel
Operating Temperature 10°C - 30°C (50°F - 86 °F)
Display LCD 6 Digits x 12 mm
Auto Shut-off Adjustable
Dimensions (inches) 3.75" x 5.25" x 2.0"
Standard Accessories AC Adapter, Calibration Weight, Expansion Scoop/Bowl, Protective Hard Carrying Case, Manual
Warranty Lifetime Manufacturer Warranty
Net Weight (oz/g) Approximately 7.4 oz / 212 g
Click Here To Download User Manual
Please note WE DO NOT ACCEPT PHONE ORDERS FOR THE LOW COST SCALES.  They must be purchased with PayPal or you need to send a US postal money order in advance.  PayPal works as the processing company to collects the funds and verify the credit card information.  PayPal accepts all major credit cards and you do not need to set up an account to use PayPal.

My Weigh Gempro 250
My Weigh Gempro 250 offer milligram readability
and is easy to use and provides 6 weighing modes
Gun and ammo reloaders really need to watch the video above. See the Sartorius Entris64-1S in action and where professional shooters all over the world are learning to forget those low cost strain gauge scales that don’t work (see this video to see the difference). See how the RCBS10-10 beam scale can not even sense the weight of a kernel of powder. Watch the Omega Powder Trickler drop one kernel at a time. A kernel of Hogdgon H4350 powder weighs between 0.020 - 0.030 grains and the Sartorius Entris64-1S increments in 0.002gn. If you are tired of all the headaches using digital scales in the past it is time for you to buy a real balance that can weigh correctly.
If you are a competing in long range shooting over 400 yards and especially anyone over 1000 yards WE RECOMMEND ONLY the Sartorius Entris64-1S. Still we have people calling us to spend less and even though they are shooting competition saying they don't mind not winning and that being off 1 or 2 kernel is no big deal. To me that is crazy - how much money did you spend for your gun and all the gadgets? Isn't participating in a competition to win?? Sure you are an excellent marksman, but if the members of the US F-Class Open Rifle Team are using the Entris64-1S if you are really that good of a shooter wouldn't you be on the team???

Regardless, we still have people calling wanting to spend less money and wanting to know what are the options. Well if you are willing to accept ± 2 kernels then take a look at the A&D Weighing FX-700CT. The FX700CT increments in 0.02 grains. The Entris64 is 10x the readability incremental in 0.002 grains. To us the difference in price you are still better off buying Sartorius Entris64-1S.

When shooting .308 ammo, on average, a single kernel of Varget roughly changes the velocity by 1.3 fps. So just a few kernels of variation can easily double the extreme spread in velocity. Out to 500 yards it does not seem to make much difference, but beyond that and things can get ugly fast. Buying the right balance is just another tool to put more bullets closer to the desired point of impact.
Watch the video above and see the AND Weighing FX-700CT balance with the Omega 2-Speed Electric Powder Trickle weighing powder.

Watch as we drop one kernel of Hodgdon H4350 powder and see the response time of the FX700CT balance. We also change the response time from Fast > Mid > Slow and see how the changes effect the time it takes for the display to show the weight change from when one kernel of powder is dropped on the weighing pan.

If you watch the video on the FX700CT and the Entris64-1S video clearly the Sartorius is faster. The AND FX-700CT responds faster than the AND FX-120i. The Sartorius doesn't need any filtering adjustments (setting to FAST) while ALL the AND Weighing models FX-700CT, HR100a, FX-120i all need the response filtering adjusted.

The AND FX700CT can weigh up to 2345 grains and increments in 0.02 grain divisions. The linearity is ±0.02 grains. This is double the accuracy of the A&D FX-120i which increments in 0.02 grains, but is linearity to ± 0.04 grains. For a reloader that is a big difference plus the FX-700CT has a nicer display and better draftshield than the AND FX120i balance.

It's all a matter of perspective and at what level one wishes to perform. Buy the FX-700CT or FX-120i and they are good weighing devices, but it is doubtful you are going to win shooting competitions. Any way one looks at it, serious long-range shooting is not cheap. In their world, it often comes down to one point or even one "X" between winning or not.
Remember the motto -- buy once cry once -- If you stray from this motto it will bit you. For long range shooters the Entris64-1S is the choice.

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All My Weigh Scales are backed by My Weigh Scale Company for a LIFETIME to the original purchaser against defects in materials and/or workmanship.  If the product fails on delivery or to operate to the specifications during this warranty period, when used under normal conditions, My Weigh Scale Company will repair or replace it at their option, without charge.  You CAN NOT return your My Weigh Scale to Precision Weighing Balances, but instead MUST SHIP it directly to My Weigh.  You will be required to pay the shipping and insurance charges to My Weigh's repair facility.  Please send your scale, warranty card, original invoice included when the scale was shipped to you, and a note describing the problem to: My Weigh Warranty Dept, 3401 W Papago Street, Phoenix, AZ 85009.  My Weigh strives for 5-6 day turnaround for repair or replacement (for units under warranty).  My Weigh will return the unit freight prepaid.  Please refer to your Instruction Manual for additional warranty information and shipping instructions.  My Weigh has an extremely low defect rate, but My Weigh Scale Company requires the consumer to return any defect/warranty issue directly to My Weigh Scale Company no matter who you purchase the scale from.  Questions about products specifications, operations or warranty should be directed to My Weigh Customer Service Center Monday through Friday from 9am to 5pm Pacific Time at (602) 253-2214. Please review MyWeigh's website for the most current Warranty Instructions
Copyright © 2017 Precision Weighing Balances, All Rights Reserved.  This site is owned and operated by Precision Weighing Balances who is an Authorized My Weigh Dealer.  For warranty, parts and technical related issues call My Weigh directly at (602)-253-2214.


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