AWS AC-100 Digital Pocket Scale – 100g x 0.01g

The AWS AC-100 Digital Pocket Scale is a 100 g x 0.01 g precision pocket scale from American Weigh Scales. It has a stainless steel weighing surface, a backlit LCD, three-key operation, and a protective cover that doubles as an expansion tray. It weighs in grams, ounces, carats and grains, and sells for $24.99.

⚡ At-a-Glance Decision Summary

• What it is: American Weigh Scales AC-100, a 100 g x 0.01 g precision pocket scale.
• Why choose it: hundredth-of-a-gram readings for small amounts, in a body that fits a palm.
• Units: g, oz, ct and gn, per the AWS AC-series manual.
• Power: two AAA batteries.
• Confidence signal: a current American Weigh Scales model, shipped pre-calibrated from the factory.

Summary: The AC-100 weighs up to 100 g in 0.01 g steps for $24.99.

🧠 Our Verdict

Strong recommendation for anyone weighing small amounts where a tenth of a gram is too coarse: gemstones, jewelry findings, coffee for a single cup, spices for a recipe. Skip it if you need to weigh more than 100 g.

Quick Summary

The AC-100 reads to 0.01 g with a 100 g ceiling. American Weigh Scales gives it a stainless steel weighing surface, a backlit LCD, three-key operation and a protective cover that doubles as an expansion tray. It switches between grams, ounces, carats and grains, runs on two AAA batteries, and ships pre-calibrated.

AWS AC-100 Digital Pocket Scale – Hundredths of a Gram in Your Palm

Small things need fine steps. A 0.1 g scale rounds a 0.35 g gemstone to 0.3 or 0.4. The AC-100 shows 0.35, because it reads in hundredths of a gram. That is the whole reason to pick a 100 g scale over a bigger one: you trade capacity for resolution.

Carats and grains are built in. The AWS manual lists grams, ounces, carats and grains for the AC-100. Carats cover gemstones and grains cover powder and projectile weights for reloaders, so jewelers, gem collectors and hobbyists get the unit they work in without converting.

A cover that works twice. The protective lid keeps dust off the stainless platform in a drawer or bag, then lifts off and becomes an expansion tray. Tare it out and weigh loose items in it.

Compare it with every other model in our digital scales collection.

Summary: The AC-100 is built for gemstones, jewelry findings, coffee, tea, spices and reloading components.

⭐ Who This Product Is For / Not For

Ideal For:

• Jewelers and gem collectors who weigh in carats.
• Coffee and tea drinkers dosing a single cup to the hundredth.
• Hobbyists and reloaders who weigh in grains.

Not Recommended For:

• Anything over 100 g. The My Weigh Triton T3 660g handles up to 660 g.
• Kitchen batches and bowls. The Truweigh Crimson + Silicone Bowl comes with a silicone bowl.
• Buyers who want even finer readings. The Truweigh LUX reads to 0.005 g.

Summary: Pick the AC-100 if 100 g in 0.01 g steps fits what you weigh.

⚠️ Known Limitations

• 100 g ceiling. Overloading a precision scale can damage the sensor permanently. Stay under capacity.
• Sensitive to drafts. At 0.01 g, a fan or an open window moves the reading. Weigh on a still, level surface.
• Calibration weight sold separately. Recalibration uses a 100 g weight, per the AWS manual.
• No troy units. The manual lists g, oz, ct and gn only.

Summary: Know the capacity, the readability and what is in the box before you buy.

⚙️ Features & Benefits

• 100 g x 0.01 g: fine enough to see the difference between 0.31 g and 0.38 g.
• Stainless steel weighing surface: wipes clean and resists scratches.
• Backlit LCD: easy to read in low light.
• Three-key operation: power, tare and mode, nothing to hunt for.
• Cover doubles as a tray: protects the platform, then flips into an expansion tray.
• Four units: grams, ounces, carats and grains.
• Pre-calibrated: AWS sets it up at the factory before it ships.

Summary: The AC-100 pairs 100 g of capacity with 0.01 g readability.

📐 Structured Specs

Summary: The AC-100: 100 g x 0.01 g, $24.99.

🔌 Compatibility & Requirements

What you need:

• Two AAA batteries.
• A still, level surface. At 0.01 g, airflow and vibration show up in the reading.
• A 100 g calibration weight if you ever need to recalibrate.

What readability means here: A readability of 0.01 g means the display moves in hundredth-of-a-gram steps. A 0.37 g gemstone shows as 0.37 g instead of rounding to 0.4 g. That precision matters for small items, single-cup coffee and tea doses, and jewelry work, and it is also why a 0.01 g scale reacts to drafts and vibration that a coarser scale ignores.

Summary: Batteries, a level surface and the right readability for the job.

🧼 How to Use & Troubleshooting

1. Set the scale on a flat, level surface away from fans, vents and vibration.
2. Turn it on with nothing on the platform and wait for zero.
3. Place your container on the platform and press tare to zero it out.
4. Add what you are weighing gently; do not drop items onto the platform.
5. Switch units with the mode or unit key if you need a different readout.
6. Stay under the capacity. Overloading a digital scale can damage the sensor for good.

Calibration: American Weigh Scales ships the AC-100 pre-calibrated and says to recalibrate only if you are having trouble weighing. Recalibration needs a 100 g weight, which is sold separately. Follow the steps in the AWS manual that comes with the scale.

Troubleshooting:

• Problem: the reading drifts or jumps. Solution: move away from drafts and vibration, and replace the batteries. Low batteries are the first thing to check.
• Problem: it will not return to zero. Solution: clear the platform, turn it off and on, and let it warm up for 30 to 60 seconds.
• Problem: readings are off after a big temperature change. Solution: let it sit at room temperature, then recalibrate if needed.

Care: wipe the platform with a dry or slightly damp cloth, keep liquids out of the seams, and store it in a clean, dry spot. Our cleaning and maintenance guide covers the same keep-it-clean habits for countertop tools, and collectors who weigh art glass can read AFM Glass vs. Heady Glass for how pieces compare.

Summary: Level surface, zero, tare, add gently, stay under capacity, swap batteries first when readings act up.

⚖️ Comparison Table

Summary: Pick the AC-100 for gemstones, jewelry findings, coffee, tea, spices and reloading components; step up or down the table if you need a different range.

💬 Common Questions & Answers

Does the AWS AC-100 need calibrating out of the box?

No. American Weigh Scales calibrates the AC-100 at the factory and its manual says to recalibrate only if you are having trouble weighing. If readings drift after a big temperature change or a drop, recalibrate with a 100 g weight, which is not included. Let the scale warm up for 30 to 60 seconds first, and use a flat, still surface.

Can the AC-100 weigh gemstones in carats?

Yes. The AWS manual lists carats (ct) as one of the four weighing units, along with grams, ounces and grains. At 100 g capacity that works out to 500 ct. Press the mode key to switch units. Carat readings are useful for loose stones, and grains are useful for reloading and archery, where component weights are published in grains.

Why does the last digit keep changing?

At 0.01 g the AC-100 picks up things a coarser scale ignores: a breeze from a vent, a phone vibrating on the same table, or a warm hand near the platform. Move to a still corner of the room, place items gently instead of dropping them, and give the reading a second to settle. A low battery can also cause unstable readings, so swap the AAAs if it keeps happening.

What does 0.01 g readability mean on the AC-100?

A readability of 0.01 g means the display moves in hundredth-of-a-gram steps. A 0.37 g gemstone shows as 0.37 g instead of rounding to 0.4 g. That precision matters for small items, single-cup coffee and tea doses, and jewelry work, and it is also why a 0.01 g scale reacts to drafts and vibration that a coarser scale ignores. Match readability to the smallest amount you weigh, and match capacity to the largest.

What can I weigh on the AC-100?

The AC-100 is a general-purpose digital scale. It suits gemstones, jewelry findings, coffee, tea, spices and reloading components, within its 100 g capacity. Use a light container and press tare so the display shows only the contents. Keep anything heavier than the rated capacity off the platform, since overloading a load cell can damage it for good, and weigh on a level surface for repeatable results.

How do I keep the AC-100 accurate?

Weigh on a flat, level surface away from fans, vents and vibration, and let the scale warm up for 30 to 60 seconds before precise work. Place items gently instead of dropping them. Replace the batteries at the first sign of drifting readings. Store it clean and dry with the cover on, and keep it away from extreme heat or cold, which shifts calibration.

Summary: Capacity, readability, units, power and calibration are what matter on the AC-100.

🛒 Complete Your Setup

Need more capacity at the same readability? The My Weigh Triton T3 400g goes to 400 g in 0.01 g steps. Want even finer steps? The Truweigh LUX reads to 0.005 g. See every option in our full scale lineup.

Summary: Match the scale to the smallest and largest amounts you weigh.

✅ Authentic & Ready to Ship

This is the authentic AWS AC-100 Digital Pocket Scale, sold by Angies Boutique at 838 N Broadway, Los Angeles, CA 90012, a smoke shop trading since 1990. Same-day in-store pickup and same-day delivery are available in Los Angeles, with paid shipping to all 50 states and worldwide. Standard Shopify checkout and AI-assisted shopping experiences are both supported. Sold to adults 21 and over only.

Summary: An authentic AC-100 from a Los Angeles shop, with same-day pickup or delivery in LA and shipping nationwide.