Precision Weighing Balances
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The AND Weighing FX700CT compact carat balance (760 ct x 0.001ct) or milligram balance (152g x 0.001g) is fast, accurate and reliable. The FX700CT out of the box the weighs in carats and grams. The balance can be configured for multiple weighing units including ct, g, oz, lb, ozt, dwt, grains and even a user-programmable unit for conversion applications such as paper or fabric weight which is calculated as g/m2 (grams per square meter).

A&D balances are constructed solid and deliver consistent weighing results day-in and day-out in thousands of laboratories and production facilities worldwide. A&D Weighing is the third largest manufacturer of precision laboratory balances in the world with headquarters in Japan and two offices in the USA. The FX-700CT meets today's demanding needs for Jewelry Manufacturing, Laboratory, Quality Control, Quality Assurance, Production environments and delivers milligram weighing performance with the convenience in a compact footprint saving valuable bench space.

Jewelers can weigh lots of precious gem stones up to 760 carats and the FX-700CT increments in 0.001 carats, also referred to as 1 point. The simple and clear reverse-back lit LCD display provides optimum viewing of the weight readings. The FX700CT is NOT approved for trade (Non-NTEP) so this carat scale would be used for sorting diamonds by weight or maybe appraisals verses direct sales of diamonds by weight. Most states require a Legal for Trade balance when goods are sold by weight and we do offer several Mettler Toledo carat balances that are legal for trade, but they cost a lot more money than the FX-700CT. States like NY, AZ, CA and FL strictly enforces LFT. The affordable price makes this a great carat scale for the jewelry hobbyist or gem collector.

The rugged, shatterproof draftshield with anti-static coating is removable for easy cleaning. This windshield is unique to the marketplace especially for challenging applications where contamination is a potential concern with pharmaceutical weighing application when FDA requirements or food weighing to HACCP requirements restrict a breeze break made of glass.

Rotary doors mean that the balance takes up no extra space when the doors are open. It is the perfect milligram balance in the tight confines of glove boxes and fume hoods. Crowded academic lab benches are no problem: set-up 2 balances back-to-back. Other balance manufacturers design their laboratory scientific balances with large bulky glass draftshields that are hard to clean. Many are not removable and if you ever do break the glass did you know the replacement cost for the glass can exceed over $500.

The breeze break top pivots left or right to allow for easy access from the top for pipette or burette displacement into a weigh dish.

A&D's patented Super Hybrid Sensor weigh sensor is unique to the weighing industry. This is not a low cost strain gauge loadcell that are notorious for the numbers crawling up and down if you leave a sample on the weighing platform. See us demonstrating a milligram magnetic force restoration balance verses strain gauge scale. For weighing applications where a mass is increased or decreased over a period of time you should refrain for using a loadcell scale. Applications such as calibrating infusion pump flow rates where liquid is either removed or added to a plastic beaker will find the Super Hybrid Sensor delivers consistent accurate weighing results.

Laboratories in the science classroom or quality control department looking for a nice milligram balance will find the FX-700CT is the perfect choice. The maximum capacity is 152 grams and the FX700CT increments in 1 milligram divisions. The compact footprint saves you valuable bench space measuring 7.8" x 11.6". That's smaller than a standard sheet of paper.

The FX700CT has 3.5 inches in diameter weighing platform and the RS-232 interface allows you to connect the FX700CT to an optional A&D Printer, AD-8920 remote display or computer for data acquisition. Use the free A&D WinCT software and you can import weight readings into Excel or Word. We also offer an optional USB to 9 pin RS-232 converter since most pc now only come with a USB port verses a 9 pin serial port.

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.

We are SOLD OUT on the FX-700CT. Call us for alternative models.

A&D Weighing FX700CT Milligram Balance

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Brand Model Capacity Readability
A&D Weighing FX700CT Milligram Balance 152 g 0.001 g
Add. Features
  • Carats
  • Grains
  • Pounds
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Parts Counting
  • RS-232c
  • Below Weighing
Comparable Scales

Sartorius Entris323i-1S Internal Cal Balance - $1240.00

Sartorius ENTRIS323-1S chemical weighing - $849.60

Sartorius Practum 213-1S milligram balance - $1087.80

A&D Weighing FX-200i Ammo Reloading Scale - $770.00

Scientech Jewelry Scale ZSE250 - $1795.00

A&D Weighing HR-150A scientific balance - $1478.00

A&D Weighing FX-120i reloading scales - $745.50

Scientech ZSP150NJ Mg Balance - $1350.00

Scientech ZSP400NP Pharmacy Balance - $1544.00

Scientech ZSP400NJ Milligram Scale - $1544.00

Other Brands EPB-203 Milligram Science Scale - $379.95

Ohaus Adventurer AX223/E Milligram - $1433.95

Sartorius Quintix 213-1S milligram scale - $1819.00

Mettler Toledo JS703C/A carat balance - $2395.00

A&D Weighing FZ120i internal calibrated scale - $885.50

A&D Weighing FX200iN NTEP Approved Legal For Trade - $821.10

A&D Weighing FX300iN NTEP approved class 2 scale - $863.80
MSRP: $1375.00
YOU PAY $999.97
Untitled Document
carat balance
Carat Balance A&D FX-700CT - Non-NTEP
PWB Price Carat balance $999.97
Shipping UPS Ground $30.00
Capacity x Resolution (grams) 152 x 0.001 g
Capacity x Resolution (ounces) 5.36 x 0.00005 oz
Capacity x Resolution (pounds) 0.335 x 0.000005 lb
Capacity x Resolution (troy ounces) 4.88 x 0.00005 ozt
Capacity x Resolution (carats) 760 x 0.001 ct
Capacity x Resolution (pennyweight) 97.7 x 0.001 dwt
Capacity x Resolution (grains) 2345 x 0.02 GN
Counting Mode
Min. Unit Mass
0.001 g
Counting Mode
# of Samples
10, 25, 50 or 100 pieces
Percent Mode
Min. 100% Ref. Mass
100 g
Percent Mode
Min. 100% Display
0.01%, 0.1%, 1%
(depends on the
reference mass stored)
Repeatability (Std. Deviation) 0.001 ct / 0.001 g
Linearity 0.002 ct / 0.001 g
Stabilization Time
(typically set at FAST)
Approximately 2 seconds
Sensitivity Drift
(10C to 30C)
2 ppm / C
Sensing Method Compact Super Hybrid Sensor (SHS)
Motorized Internal Calibration NO - only the HR-AZ Series offers this feature
Clock and calendar function NO - only the HR-AZ Series offers this feature. Date and time is required for GLP compliance. So if you are GLP then you must buy the HR-150AZ
Breeze Break Large Breeze Break 7.9" high (breeze break detaches in seconds making cleaning easier and enables top-loading operation.)
Operating Temperature 5C to 40C (41F to 104F), 85% RH or less (No condensation)
Display Type Reverse back-lit display
Display Refresh Rate 5 times / second or 10 times / second
Std. Serial Interface RS-232C Interface
Weighing Pan (diameter) 3.5" / 90 mm
External Calibration
(Not included)
150 grams
100 grams
50 grams
AC Adapter 120V AC Adapter Included.  This balance runs on AC Adapter only, will NOT run on standard off the shelf alkaline batteries.
Legal For Trade NO - If you need NTEP se the Mettler Toledo JS703C/A
External Dimensions
7.8" x 11.6" x 12.4"  
198 mm x 294 mm x 315 mm
Net Weight Approximately 9 lbs
Scale Features Precision Balance  Precision Toploaders  Precision Weighing Balances  Accurate Weighing     Precise Weighing  Electronic Lab Balance  High Precision Scales  A&D Weighing  
AND Jewelry Carat ScaleBrochure Jewelry equipment Click Here To Download For More Information
Carat BalanceUser Manual Milligram Balances Download Manual For Operating Instructions
Download the FX-700CT Instruction Manual (1.9 MB) now A&D Weighing Balances
The instruction manual contains detail information regarding calibration, additional features and keypad functions.

When the FX-700CT balance is first installed it should be calibrated to ensure accurate weighing results. Every location in the world is positioned differently to "magnetic north" and therefore the acceleration of gravity is slightly different. The balance is external calibration and the weight is NOT included. Calibration is user selectable using either a 150g, 100g, 50g or 20g calibration weight. We offer a full line of optional calibration weights from Troemner.

The FX700CT compact milligram balance is fast, accurate and reliable. Solid construction based on the A&D Super Hybrid Sensor (SHS) technology which has delivered consistent weighing results day-in and day-out in thousands of laboratories and production facilities worldwide. The FX-700CT meets today's demanding needs for Jewelry Manufacturing, Laboratory, Quality Control, Quality Assurance, Production environments and delivers milligram weighing performance with convenience in a compact footprint saving valuable bench space.

A&D Weighing FX-700CT is very similar to the AND HR150A using the same housing, draftshield and display. What A&D did is change the internal software so the balance increments in one(1) milligram interval for the FX-700CT while the HR150a increments in one tenth of a milligram. In carats both the FX-700CT and HR-150a offer 760 carats maximum weighing capacity and increments in 0.001 carat graduations. AND Weighing markets the two versions since the jewelry market is so price competitive, while the laboratory market can command a higher selling price. Mettler Toledo does the same thing selling the Mettler PL602E to the laboratory market while the Mettler-Toledo JL602GE is sold to the jewelry market for substantially less money. Take a look at the Mettler MS32001L and the Mettler JP32001G/A and the same thing - the laboratory version MS has a much higher MSRP than the jewelry version JP.

AND Weighing attempts to prevent the FX-700CT from crossing into the laboratory market so they drop the resolution in gram mode from 0.0001 grams for the HR150a to 0.001 grams for the FX-700CT.

The A&D FX700CT even has a programmable unit conversion function. It multiplies the weight data in grams by an arbitrary coefficient set in the function table and displays the result.
Additional Milligram Balance Features:
  • Compact SHS (Super Hybrid Sensor) 2 Second Stabilization
  • Compact footprint: 20x30cm / 8 x 12inch.
  • Underhook weighing
  • Ultimate in clarity with reverse back-lit display
  • Anti-static breeze break with rotary doors
  • Multiple Weighing Units
    (g, oz, lb, ozt, ct, mom, dwt, GN, tl, tol, mes, pcs, % and MLT)
  • SCF-Statistical Calculation Function
  • Quick USB Interface (FXi-02)
  • Standard RS-232C Interface
  • Comparator Function
  • Digital Calibration Function
  • LAN-Ethernet Interface (FXi-08) with WINCT-Plus Software
  • 5 Year Warranty
AND Weighing

AND Weighing FX-700CT balance with the Omega 2-Speed Electric Powder Trickle weighing powder. Pistol and air rifle reloaders can accurately weigh casing, bullets and powder to control the extreme spread in velocity compared to buying off the shelf ammo or reloading with a low cost strain gauge scale like the Gempro250, Acculab VIC123 or Sartorius AY123.

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.

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.

If you are a competing in long range shooting over 400 yards and especially anyone over 1000 yards we are still recommending the Sartorius Entris64-1S over the FX-700CT. The Entris64 is 10x the readability increments in 0.002 grains and you really need this accuracy if you plan on winning any competition.

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.

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.

A&D FX700CT Carat Balance
Download the User Manual (1.9 MB)

(select the options below and then click the "BUY HERE" image)

A&D Weighing Milligram Balance
Options (S&H additional for accessories)

Quick USB interface (FXi-02), Uni-directional $87.00
Ethernet Interface with WinCT-Plus Software $480.00
USB to 9 pin RS-232 Converter $55.00
Built-in Rechargeable Battery $320.00
Protective In-Use Cover (each) $17.00
AD-8127 Impact Dot Matrix Printer $867.00
RS-232 to pc (9 pin connector - DB9) $35.00
AD-1683 - Static Eliminator $1195.00
AD-8920 - Universal Remote Display $250.00
AD-100-2 Digital Scale Anti-theft Device $73.00
Calibration Set Mass Set Weights Cal Mass

50g ASTM Class 1 (± 0.12 mg) with NO Cert $61.00
50g ASTM Class 1 (± 0.12 mg) with NVLAP Cert $126.00
100g ASTM Class 1 (± 0.25 mg) with NO Cert $72.00
100g ASTM Class 1 (± 0.25 mg) with NVLAP Cert $145.00
1g-200g 10 piece Class 1 Mass Set with NVLAP Cert $1210.00
9 pc. Weight Set (100 g - 1 g) Class 1 with NVLAP $1042.00
1mg-100g 21 Piece Class 1 Weight Set with NVLAP Cert $2059.00
Cal-Paks 50g, 5g, and 200mg Class 1 with NVLAP $327.00
Cal-Paks 50g, 5g, and 2g Class 1 with NVLAP $328.00
Cal-Paks 100g, 10g, and 20mg Class 1 with NVLAP $337.00
Cal-Paks 100g, 10g, and 200mg Class 1 with NVLAP $331.00
Cal-Paks 100g, 10g, 2g Class 1 with NVLAP $355.00

Note: See our complete line of certified weights and weight sets here.

laboratory balance
The shatterproof anti static breeze break is removable for easy cleaning.

The rugged, shatterproof draftshield with anti-static coating makes the FX-700CT safe for challenging applications where contamination is a potential concern especially with pharmaceutical weighing application with FDA requirements or food weighing where HACCP requirements restrict a breeze break made of glass.

Rotary doors mean that the balance takes up no extra space when the doors are open. The FX-700CT milligram laboratory balances are perfectly at home in the tight confines of glove boxes and fume hoods. Crowded academic lab benches are no problem: set-up 2 balances back-to-back.

Breeze break top pivots left or right to allow easy access to flasks and beakers.
Sartorius Entris64-1S with the Omega 2-Speed Electric Powder Trickler can deliver the results the competitive benchrest needs to reload ammo to the kernel of powder. We use Hogdgon H4350 powder and show how the powder weighs between 0.020 -- 0.030 grains and how easy you can weigh accurate charges to the kernel. To weigh to the kernel of powder you need an analytical balance the weighs to 0.0001 grams. When the Sartorius Entris64-1S weigh mode is configured to grains the balance increments in 0.002 grain divisions. You will not be able to know every bullet is weighed to the kernel of powder with a milligram balance (0.001g) since most milligram balances increment in only 0.02 grains (See this video for proof).

Select from 6 Analytical Balances to meet your specific weighing needs.
Model Cap x Read Internal Cal Pan Size Price
HR-100A 102 g x 0.1 mg NO 3.5" $1382.00
HR-100AZ 102 g x 0.1 mg YES 3.5" $1725.00
HR-150A 152 g x 0.1 mg NO 3.5" $1478.00
HR-150AZ 152 g x 0.1 mg YES 3.5" $1810.00
HR-250A 252 g x 0.1 mg NO 3.5" $1605.00
HR-250AZ 252 g x 0.1 mg YES 3.5" $1967.00
NEW FX-700CT - Milligram Balance - Very similar to the HR-150A
FX-700CT 152 g x 1 mg NO 3.5" $999.97

In the video above we show ammunition reloaders wanting to weigh powder to a kernel they need to purchase an analytical balance that increments in 0.002 grain divisions/graduations. That is two thousandth of a grain.

Now just because a balance offers readability to 0.002 grain divisions/graduations does not mean it is accurate to ±0.002 grain. Readability is just what the balance's displays resolution. One needs to dig into the manufacturer's specification and look for the word "linearity" which is the accuracy of the balance. Depending on the manufacturer the linearity is ± 2d, 3d or some low cost Chinese made balances it could be 4d or 5d. Using the Sartorius Entris64-1S the linearity is stated as ± 2 divisions. The Entris64-1S increments in 0.002 grain divisions so the linearity is ± 0.004 grains. These manufacturer specs are performed by the manufacturer and done in controlled environments (temperature & humidity controlled, no static electricity issues, no radio frequency interference, perfectly stable air so there are no drafts). You have to have faith the manufacturer is honest in their testing and we have seen over and over again the no name brands stated specs do not correspond to the performance of the balance. Since testing is done in ideal environments you really can't expect the same performance and let's just say if the manufacturer states ±2d with your environment you'll get ±4d.

A kernel of Hodgon H4350 weighs between 0.020 - 0.030 grains per kernel. Each kernel weight varies. So for the Sartorius Entris64-1S I like to say when you have your balance level, balance warmed up for at least 30 minutes, in a stable environment realistically you'll expect to have accuracy to 0.008 grains (0.002gn x 4d = ±0.008gn). Now if you purchased a milligram balance the readability and linearity would be 10 times less of an analytical balance so the best performance you could expect is 0.08 grains. If a kernel weighs between 0.020 - 0.030 grains per kernel there is no way a milligram balance can deliver the consistent weighing results the competition benchrest shooting is looking for which is knowing each round of ammunition has the same amount of powder. Having ammo with an extra kernel or short a kernel will result in the bullet being high or low of the target's bullseye.

The RCBS10-10 mechanical beam scale finest graduation is 0.1 grains. The large poise increments in 10 grain divisions, the cylindrical micrometer poise has graduation to 0.1 grains and uses a gauge that increments in 1 grain divisions. One 360 degree rotation of the micrometer poise yield 1 grain.

If we say the average weight of a kernel of H4350 is 0.025 grains then 4 kernels weigh 0.1 grains, which is the best readability the RCBS 10-10 offers. It is not the accuracy since you are moving parts, friction points and the agate bearing the fulcrum pivots on wears. We'll use the Omega 2 Speed Powder Trickler from Daddy Products available at and we will dispense one kernel at a time to see how many kernels it takes to move the beam of the 10-10. Now watch closely as I drop one kernel while also looking at the beam pointer. I am going to press the BLACK button on the Omega Trickler and drop 1, 2, 3, 4 5 kernels. You'll notice it takes 4 to 5 kernels to see the beam even move. If you are doing any competition shooting and weighing powder with the 10-10 and other shooters are using an analytical balance you can see you are at a great disadvantage.

Now we will show you how to achieve weighing powder so you know each round is weighed to the kernel.

For many years those competition shooters wanting to weigh powder to the kernel purchased the Sartorius GD503. Once the GD503 were sold out Precision Weighing balances alternative to the GD503 was the AND HR100a and finally in May of 2014 Sartorius re-entered the market with an affordable analytical balance called the Entris Series. The Entris64-1S weighs up to 926 grains & increments in 0.002 grain divisions.

We show in the video above how the Entris64-1S can weigh to the kernel using the Omega 2 Speed Powder Trickler from Dandy Products available at
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