SKU: 31035274594

A&D GX-303A - 320g x 0.001g Precision Balance

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Description

A&D GX-303A - 320g x 0.001g Precision BalanceA&D GX 303A 320g x 0. 001g Precision Balance with Internal Calibration A&D GX 303A pairs precision and protection in one rugged benchtop balance. Ideal when weighing sensitive materials in high risk environments or weighing with automated devices. Constructed in die cast aluminum with a stainless steel weighing pan. Security slot in the rear for an anti theft lock. GLP GMP GCP compliant with full calibration reports. Password Protect offers password

A&D GX-303A - 320g x 0.001g Precision Balance with Internal Calibration

A&D GX-303A pairs precision and protection in one rugged benchtop balance. Ideal when weighing sensitive materials in high-risk environments or weighing with automated devices. 

Constructed in die-cast aluminum with a stainless steel weighing pan. Security slot in the rear for an anti-theft lock.GLP/GMP/GCP compliant with full calibration reports. Password-Protect offers password-protection up to 11 users and 1 administrator.  

Easy calibration with one touch button - GX-303A performs and documents internal calibration and features Automatic Self-Calibration (ASC) – the balance auto calibrates based on temperature and time interval. Enabled by the Smart Super Hybrid Sensor (SHS) technology for superior accuracy and fast stabilization of approx. 1 second.

Features Impact Shock Detection, Flow Rate Display and Electronically Controlled Load (ECL). This unique combination of features enhances precision, reducing the amount of rework required and lowering costs.

Features:

  • Large, front-mounted spirit level with LED illumination, easy-to-adjust leveling feet with thumbwheels. Clearly visible, reverse backlit LCD display

  • User access control (UAC) function that password-protects the balance at two  levels.  Key lock function to make the balance operable only by sending commands from an external device

  • Data memory function: save weighing results, calibration results and unit masses for the counting mode in the device itself. Tare memory function that saves the tare value in non-volatile memory

  • Alert function to ensure that the measured quantity is not smaller than the set minimum weight. 

  • Universal Flexi Coms (UFC) function to edit serial data output/printout format

  • Clock and calendar function, Auto power ON and OFF functions. 

  • Underhook for weighing a magnetic material and/or measuring density

Specifications:

Capacity 320g
Readability 0.001g
Repeatability 0.001g
Linearity ±0.002g
Calibration Internal (ASC)
Stabilization Time ~1s (~0.8s | 5 g)
Weighing Pan Dimensions 128 × 128mm / 5 × 5in
Product Dimensions 212 × 317 × 93mm / 8.3 × 12.5 × 3.7in
IP Rating IP54 
Applications Counting with ACAI, % Weighing, Animal Weighing, Density Determination, Statistical Calculation, Comparator HI|OK|LO, Underhook, Gross/Net/Tare
Weighing Units g, oz, lb, lb-oz, ozt, ct, mom, dwt, gr, pcs, %, SG, user-programmable unit
Connectivity RS-232C and USB
Impact Shock Detection (ISD)

  • Impact-Alert – displays the magnitude of impact shocks to the weight sensor at four levels, with audible notification for higher levels of impact which should be avoided

  • Shock-log that records time, date, shock level and operator ID, making quality control easier to pinpoint. 

  • Real-time feedback mechanism prevents equipment damage, and allows managers to modify in-line or manual processes alike. An important feature when transverse and vertical environment forces are unpredictable.
Electronically Controlled Load (ECL)    

  • Allows the user to perform a diagnostic check and repeatability test without the need of an external test weight

  • At the touch of a button and in under two minutes, users gain a daily precision verification test with Dia-Check.

  • Determine a standard deviation and calculate the minimum sample weight with Quick-MinS, and ensure operations are USP41 compliant with Min-S-Alert.

  • Ensures critical measurements are compliant with industry standards such as USP 41 and 1251.
Flow Rate Display (FRD)

  • The FR-Calc feature calculates and displays the mass or volume flow rates to close the “time-clock disparity” found with traditional PC methods.

  • FR-comparator, which allows monitoring of flow rate data to ensure it is kept within designated limits

  • Tare value can be saved in non-volatile memory so that the remaining amount of the material in the container can be displayed again, even if power is disrupted during loss-in-weighing measurement.
Warranty 5 Years 

 

Literature:
GX-A Brochure
GX-A / GF-A Operations Manual
GX-A Data Sheet








 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31035274594

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4.1 ★★★★★
Based on 18 reviews
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R
Verified Purchase
Roberta Mayes
Whiting, US
★★★★★ 5
Heavy duty legs for table.
Size: side table leg
Perfect legs for a table I am having made. I have an cottonwood slice. It's heavy and needed something substantial. These are perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
R
R. Moheban
Los Angeles, US
★★★★★ 5
Robust pipe & fittings with a beautiful, smooth black finish
Size: side table leg
This set of pipe & fittings for use as low table legs is heavy duty and aesthetically pleasing. Especially when the pieces are handled, the tactile sensation is much nicer than with plumbing steel pipe because this product is beautifully finished smooth. The black pipes are quite smooth as well as the fittings. The pieces are all also pretty robust, though the wall thicknesses are less than in pipe for pressurized water systems. Of course that makes sense as this product does not need to hold fluid pressure. In my view they got the heaviness factor of this product just right; it's not as heavy or robust as black pipe used in natural gas supplies, but still robust and pretty heavy. Assembled, this product is absolutely stiff and unyielding for a solid table that could hold a man's weight easily. The feet utilize a brilliant scheme so that each foot can be independently adjusted for an uneven floor. Thus a level table on an uneven floor is easily accomplished. The feet simply extend the effective leg length by screwing counter-clockwise. To prevent any shifting at the threads adding some pipe compound or teflon tape may be advised. Even masking or duct tape might work as the idea is to just fill any gaps where male threads meet female threads. The four flanges at the tops of the legs provide a wide, solid surface for attaching the table top, with either hidden screws underneath or you could through-bolt a glass table top (provided you have the skill to drill glass!). I think this product would look great with a glass top. Assembly is quick and easy. The hardest part is drilling holes underneath the table top to accept screws. No pipe wrenches are needed as the pieces screw together by hand to an adequate tightness. If any doubt whether they are tightened enough have a strong person with grippy gloves finish. The "X" in the center attaches to the legs with a very clever machine screw system tightened with the included hex wrench. This is presumably because if tightened simply by screwing the fittings, the point of snugness would not likely be where the "T" fittings are exactly vertical. The maker has solved this problem so that you are assured that all legs will be in the perfect vertical position once everything is tight. The setup is also nice and rigid once tightened. This is a huge benefit of steel pipe projects; they are really solid. The black finish is clearly very durable, like a powder coat. It appears that it will provide excellent protection against rust. Coverage is complete; I found no dings or scratches anywhere on any piece. Overall this is a very well-designed product for function and aesthetics. Perfect for a beautifully renovated warehouse condo where an industrial vibe is desired in a rock-solid table that won't shift around. The smoothness of the pipe is top notch. I've used lots of pipe in projects, some of it actual water pipe and some decorative pipe such as this. I've never seen better quality decorative pipe as this maker put in the effort to finish it beautifully smooth. At currently $34.99 I find the price quite reasonable too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
P
Verified Purchase
patricia
Louisville, US
★★★★★ 3
the height is only 16"
Size: coffee table leg
The height is only 16". From the description it appears to be 24" wide and 24" high.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
C
CMC20
Pawtucket, US
★★★★★ 4
Good DIY Pipe Legs but Powder Coat Quality Lacks
Size: side table leg, Size: side table leg
These industrial style pipe legs make building a DIY end table easy and the kit saves a trip to the hardware store. The fittings go together normally and assembly is simple. Comes individually wrapped. My main issue is the powder coating looks and feels cheap and rubs off easily. The pipes already had marks from touching each other from unboxing. If you do not mind some wear on the finish over time this is a decent purchase. The metal at the hardware store will be thicker and more durable but will cost more. I’d recommend based on ease of having a kit and it being delivered saving me a trip.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
M
Mark Weinberg
Battle Creek, US
★★★★★ 5
Stable, attractive, and easy to turn into a table with your choice of top
Size: side table leg
The X-shape of the table legs - constructed with solid metal flanges, T-joints, X-joints and 1-inch diameter pipes - provides a strong and sturdy base for a wood top. The legs have adjustable feet pads to prevent scratches and ensure stability. Assembly of the legs is relatively simple (the instructions are clear) but you will need your own tools to attach a top. The industrial design is especially well suited to rec room or finished basement use. I am adding a 28" diameter raw edge slab of wood from a recently felled tree as the top and it is very attractive. (Photo unavailable because after I made certain it would work I sent the slab out for drying and finishing.) If you want a custom table and have a particular piece of wood you want to use, these legs are an excellent choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026

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