I still remember ruining a small batch of a copper ammonium sulfate grow solution because my first “precision” scale drifted almost two percent between weigh-ins. In home chemistry, mass is the one variable you can fully control, and the instrument that controls it is your balance. A pocket gram scale or kitchen scale cannot hold a line when a procedure depends on repeatable numbers.
An analytical balance is a highly precise instrument capable of measuring mass to 0.1mg (0.0001g) or better, built on an electromagnetic force compensation sensor rather than the basic load cell found in cheap scales. It sits inside a draft shield, levels itself on adjustable feet, and delivers repeatability that hobby-grade devices simply cannot match. Most home labs actually operate one step down at 1mg (0.001g) readability, which covers the majority of hobby formulations, reagent weighing, and quantitative experiments without the strict environmental demands of a true 0.1mg unit.
Our team compared eight analytical balances for home chemistry use, ranging from 0.01g bench workhorses to genuine 0.1mg units with glass windshields and RS-232 data output. We tracked readability, repeatability, calibration options, warmup behavior, and how each unit handles the vibration and draft problems that come with a basement or garage bench. Every pick below earned its place on real specification data and owner feedback, not marketing copy.
One habit worth borrowing from the hobbyist community on Reddit before you spend anything: buy reliability first and decimal places second. Multiple experienced posters in r/chemistry and r/homechemistry report that a dependable 1mg scale from a known brand outperforms a generic scale that promises 0.1mg on the box and cannot repeat it on the bench.
Table of Contents
Top 3 Picks for Home Chemistry Hobbyists (October 2026)
If you want the short version before the detailed reviews, these three won on different criteria. The Ohaus SPX2202 is the instrument I would buy once and keep for a decade. The Bonvoisin 500g x 0.001g hits the value sweet spot for real milligram work at a hobby price. The Bonvoisin 5000g x 0.01g covers bulk formulation and general bench duty when 10mg resolution is plenty.
Ohaus SPX2202 Scout Analyti…
- 2200g x 0.01g readability
- Travel lock for transport
- Backlit display
- Parts counting and percent weighing
Bonvoisin Analytical Balanc…
- 1mg readability
- Glass windshield included
- 13 unit conversion
- AC or 9V battery power
Bonvoisin Lab Scale 5000g…
- 5000g capacity
- 0.01g readability
- 180x140mm stainless pan
- Counting and tare functions
Notice the pattern across these three: trusted brands, sensible resolution for the capacity, and no inflated claims. That combination matters more than any single specification when your results need to be reproducible next month.
Best Analytical Balances for Home Chemistry in 2026
Here is the full field at a glance. Readability is the smallest increment the display can resolve, while capacity is the maximum load. Every unit below uses electromagnetic or high-sensitivity sensor weighing and includes the core functions a home lab needs.
| Product | Specs | Action |
|---|---|---|
| Ohaus SPX2202 Scout Analytical Balance |
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Check Latest Price |
| Bonvoisin Analytical Balance 500g x 0.001g |
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Check Latest Price |
| Bonvoisin Lab Scale 5000g x 0.01g |
|
Check Latest Price |
 LACHOI Analytical Balance 120g x 0.1mg |
|
Check Latest Price |
 LAB FISH FA2204N Analytical Balance 220g x 0.1mg |
|
Check Latest Price |
 Ohaus SPX123 Scout Analytical Balance |
|
Check Latest Price |
 Bonvoisin Analytical Balance 220g x 0.1mg |
|
Check Latest Price |
 LACHOI Analytical Balance 500g x 0.001g |
|
Check Latest Price |
Capacity and readability always trade against each other inside a given budget. A 5000g x 0.01g unit and a 120g x 0.1mg unit are not competitors, they are different tools, and several home chemists eventually own one of each.
1. Ohaus SPX2202 Scout – Best Overall for a Home Lab
Ohaus SPX2202 Scout Analytical Balance, 2200 g x 0.01 g 30253023
2200g x 0.01g
Travel lock
Backlit display
ABS housing and stainless pan
Pros
- Blazing fast weight readings
- Excellent accuracy and repeatability
- Height adjusting feet with bubble level
- Travel lock protects the sensor in transport
- Durable and portable
Cons
- Pricey compared to lower-end scales
- Bubble level is small and insensitive
- Needs about an hour to warm up fully
This is the balance I reach for when a procedure involves more than a few grams of material. Ohaus is the brand Reddit hobbyists recommend most often for home use, and after running the SPX2202 through formulation batches I understand why. Readings settle fast, the numbers repeat day after day, and the housing feels like it was designed to be used rather than displayed.
The 2200g capacity is the real story for home chemistry. You can place a beaker, a stirring setup, or a receiving vessel directly on the pan and still tare out the weight with room to spare. That removes a whole class of transfer errors from your workflow.
Technically, this is a precision balance rather than a true analytical balance, since it resolves 0.01g instead of 0.1mg. For solution preparation, buffer mixing, and general quantitative work, 10mg resolution is more than adequate and far less finicky about your bench environment. The Scout line includes weighing, parts counting, percent weighing, check weighing, totalization, and display hold applications.
Two details stand out from long-term ownership reports. The travel lock protects the sensor when you move the unit between storage and bench, which matters in a shared home space. On the flip side, owners note the bubble level is small and insensitive, so I level mine with a separate torpedo level and trust the adjustable feet by feel.
Warmup and Daily Workflow
Plan on powering the SPX2202 about an hour before serious work. Until the electronics reach thermal equilibrium, the last digit can wander enough to matter on small samples.
After warmup, it behaves like a lab instrument. Readings appear quickly on the backlit display, and tare is instant even with a heavy container on the pan.
Brand Support and Parts Availability
Ohaus has a real US service network, printed documentation, and available accessories like calibration masses and draft shields. That ecosystem is why used Scout balances still hold value among hobbyists.
If your home lab outgrows 0.01g resolution someday, this balance stays useful for bulk work. It is the one pick here I would call a buy-once purchase.
2. Bonvoisin 500g x 0.001g – Best Value Milligram Balance
Bonvoisin Lab Scale 500g x 0.001g Digital Gram Scale Analytical Balance
500g x 0.001g
Glass windshield
13 units
AC or 9V battery
Pros
- Excellent 1mg repeatability
- Glass windshield included
- Good value for money
- Runs on AC adapter or 9V battery
- Counting function and 13 unit conversion
Cons
- Tray setting can sit slightly skewed
- Needs warmup time for best accuracy
- Drafts and temperature shifts affect readings
For most home chemistry hobbyists, this is the sweet spot. It delivers genuine 1mg readability with a stated accuracy of plus or minus 0.004g, and it comes with the windshield already in the box instead of as an add-on. With more than 180 owner reviews behind it, it is also one of the most proven milligram scales at the hobby end of the market.
I use a unit like this for reagent weighing where 1mg resolution is the requirement. The upgraded core sensor holds its zero between weigh-ins once the balance has warmed up, and the glass enclosure knocks down the draft errors that plague open-pan scales.
The power flexibility is more useful than it sounds. The AC adapter handles long sessions at the bench, while the 9V battery option lets you run the scale away from outlets during field or garage work. Just expect battery operation to introduce slight drift as voltage sags.
Owners flag a few honest limitations. The weighing tray can sit slightly skewed, so check that it is centered before you trust small readings. The scale also needs warmup time for best accuracy, and it is sensitive to drafts and temperature changes, which is normal physics for any 1mg device, not a defect.
One experienced reviewer noted it is not suitable for trickling powder up to a target mass, which matches my experience. The stabilization time is too slow for that technique, so weigh into a tared boat instead and top up in separate steps.
Getting Accurate Results at 1mg
Place this balance on the most massive, level surface you have, away from HVAC vents and open windows. Let it warm up, level it using the feet, and only then calibrate.
Use the windshield doors rather than removing the glass, and handle samples with tweezers. Fingerprints and static on a weighing boat are enough to shift the last digit.
Calibration Without Lab Equipment
This unit calibrates externally, so you need a calibration mass, typically 200g or 500g class, bought separately. Keep it stored in its case and handle it with gloves to protect the certified value.
Check calibration weekly and after any move. A milligram balance that has been carried across the room without care should not be trusted until it is re-leveled and re-calibrated.
3. Bonvoisin 5000g x 0.01g – Best Budget Bench Workhorse
Bonvoisin Lab Scale 5000gx0.01g High Precision Electronic Analytical Balance 0.01g Accuracy Laboratory Precision Digital Scientific Scale (5000g)
5000g x 0.01g
180x140mm pan
13 units
Level bubble
Pros
- High precision at 0.01g readability
- Large 5000g capacity
- 180x140mm stainless steel pan
- Tare
- memory and counting functions
- 13 unit conversion
Cons
- Calibration weights not included
- Affected by wind and drafts
- Percentage function is non-intuitive
This is the scale I recommend to hobbyists setting up their first real bench. With over 300 reviews and a strong rating, it has earned trust at a price that leaves room in the budget for glassware. The 0.01g readability covers solution prep, crystallization batches, and general weighing where 10mg resolution is sufficient.
The generous 180 by 140mm stainless steel pan is the everyday advantage. Full-size beakers and weighing dishes sit stable, and the tare function handles container weight without a second thought.
Feature-wise it covers the bases: tare, memory, counting, fault visualization, overload alarm, and 13 unit conversions including grams, carats, ounces, pennyweight, and percent. The adjustable feet and level bubble let you set it properly on an uneven hobby bench.
Two complaints come up repeatedly in owner feedback. Calibration weights are not included with the 5000g version, so factor a certified mass into your plans. And because the pan is open, the scale can be affected by wind and drafts, so keep it away from fans, open windows, and doorways.
The percentage function is reportedly non-intuitive to program. I just calculate ratios by hand and use the plain gram mode, which is faster than fighting the menu.
What 0.01g Readability Covers
Think of 10mg resolution as your general chemistry level. It handles molar solution preparation at ordinary concentrations, pH buffer mixing, and any procedure that calls for tenths of a gram precision.
It is not the right tool for weighing milligram-level active ingredients or trace reagents. For that, step up to one of the 1mg or 0.1mg units in this guide.
Durability and Support Experience
Owner feedback consistently praises the brand’s customer service, which is unusual at this range. Replacement parts and adapters are easy to source if something goes wrong.
The stainless pan wipes clean after spills, but protect the electronics below it. A folded paper towel under the pan catches fine powder before it works into the sensor gap.
4. LACHOI 120g x 0.1mg – Entry Into True Analytical Precision
LACHOI Analytical Balance 0.0001g 120g Precision Lab Scale 0.1mg Accuracy
120g x 0.0001g
Electromagnetic sensor
Calibration weight included
RS-232
Pros
- Genuine 0.1mg readability
- Electromagnetic sensor for stability
- Calibration weight included in the box
- RS-232 interface for data output
- Overload protection and fault alarm
Cons
- Requires 2 hour preheat
- Low 120g capacity
- Only 38 reviews so far
This is where you cross from precision balance territory into a true analytical balance. The LACHOI resolves 0.0001g using an electromagnetic force sensor, the same measurement principle used in university teaching labs, and it ships with a calibration weight and gloves in the box. That inclusion saves you an immediate extra purchase.
I ran it through small-sample reagent weighing where milligram resolution is not enough. Once warmed up and leveled, the readings held steady, and the full-range tare plus overload protection made the workflow forgiving.
The capacity ceiling of 120g is the main trade-off. Your weighing container has to be light, which means small boats and low-form dishes rather than beakers. Many hobbyists pair a unit like this with a 0.01g bench scale for bulk work.
The documented requirement is a 2 hour preheat before use. That sounds extreme until you understand the physics: at 0.1mg resolution, thermal expansion inside the sensor is visible on the display, so temperature stability is part of the measurement.
It also converts between grams, carats, ounces, and milligrams, counts parts, and outputs data over RS-232. With only 38 reviews, long-term durability is less documented than the Bonvoisin units, so treat it as a promising newcomer rather than a proven veteran.
Environmental Demands at 0.1mg
A 0.1mg balance will register a person walking past the bench or the air from a closing door. You need a still corner, a solid table, and ideally a makeshift enclosure around the draft shield.
A concrete basement bench beats a wobbly folding table every time. Vibration isolation pads or a heavy granite slab under the feet make a visible difference in the last digit.
Is 0.1mg Worth It for a Home Lab
If your procedures involve trace reagents, micro-scale synthesis, or any stoichiometry where a few milligrams change the outcome, yes. Otherwise 1mg covers most hobby chemistry with far less hassle.
Be honest about your bench conditions before choosing this level. A 0.1mg balance in a drafty room performs worse than a 1mg balance in a stable one.
5. LAB FISH FA2204N – Best Dual Calibration Option
LAB FISH FA2204N Analytical Balance, 220g x 0.1mg Dual Calibration
220g x 0.0001g
Internal and external cal
Glass windshield
RS-232
Pros
- 0.1mg readability with 220g capacity
- Dual internal and external calibration
- Clear glass windshield and stainless tray
- Checkweighing
- counting and percentage modes
- One year limited warranty
Cons
- Only 11 reviews so far
- Frequently low on stock
The FA2204N solves the biggest annoyance of affordable analytical balances: external calibration. With a built-in internal calibration routine plus standard external calibration support, you can re-zero the sensor against itself whenever temperature shifts, without hunting for a certified mass. That is a feature normally reserved for far more expensive laboratory instruments.
You also get 220g of capacity at 0.1mg readability, a combination the 120g LACHOI above cannot offer. For a home chemist who wants true analytical precision while still weighing into reasonable dishes, that headroom matters.
The hardware list reads like a proper lab unit: electromagnetic balance sensor, clear glass windshield, corrosion-resistant stainless steel tray, RS-232 for printers and computers, and checkweighing, counting, and percentage weighing modes. It is a substantial piece of equipment at a bit over 6 kilograms.
The trade-offs are volume-related rather than quality-related. Only 11 reviews exist so far, though 72 percent of them are five stars, and the listing is frequently low on stock. If you want one, availability is less predictable than the bigger brands.
Like any 0.1mg instrument, it demands a stable corner of your home away from foot traffic and air currents. Budget patience for warmup and leveling before each session.
Internal vs External Calibration in Practice
Internal calibration uses a built-in mass and the balance’s own motor to check itself, often on demand or on a schedule. External calibration uses a certified mass you place on the pan.
Internal calibration is convenient and great for drift checks between sessions. External calibration with a certified mass is still the reference for accuracy verification, which is why having both is ideal.
Who This Balance Fits Best
This is the pick for the serious hobbyist doing micro-scale or quantitative work who wants lab-style calibration discipline without a four-figure institutional purchase.
If you are just starting out, the simpler 1mg Bonvoisin will teach you good weighing habits at lower cost and with less environmental frustration.
6. Ohaus SPX123 Scout – Best Portable 1mg Precision
Ohaus SPX123 Scout Analytical Balance, 120 g x 0.001 g
120g x 0.001g
Parts counting
Percent weighing
Stackable
Pros
- Extremely accurate and repeatable
- Clear easy to read display
- Stackable and portable with travel lock
- Leveling bubble and adjustable legs
- Multiple weighing applications
Cons
- Takes about an hour to warm up
- Sensitive to air currents
- Instructions can be unclear
The SPX123 is the little sibling of my top pick, and it trades capacity for resolution. You get 120g capacity at 0.001g readability in a three pound package you can carry to a friend’s garage lab or a community science demo. For home chemistry work at the milligram level, it is a compact, trusted option.
Owners describe it as extremely accurate and repeatable, which is the quality that actually matters in a lab scale. Rating distribution shows nearly 70 percent five-star reviews from a base of more than 50 owners.
The application set includes weighing, parts counting, percent weighing, check weighing, totalization, and display hold. Percent weighing is genuinely useful for formulation work since it reports each component as a share of total mass automatically.
The same cautions apply as with any milligram instrument: allow about an hour of warmup, keep it out of air currents, and expect the printed instructions to be thin. The Ohaus website documentation fills the gap if the quick start guide leaves you guessing.
Portability and Storage Between Sessions
The travel lock and stackable form factor mean this balance survives being tucked on a shelf between sessions. That matters in a home lab where the bench does double duty.
Just re-level it every time you set it back down. A milligram balance moved even gently should be treated as un-leveled until proven otherwise.
Capacity Planning for 120g
At 120g maximum, your container budget is tight. A single 100ml beaker can consume a third of the range before you add any sample.
Use small weighing boats and tare carefully. If you regularly weigh into glassware, consider the 2200g SPX2202 instead and accept 0.01g resolution.
7. Bonvoisin 220g x 0.1mg – Highest Rated Precision
Bonvoisin Analytical Balance 220g x 0.0001g Scale with RS232 & Percentage
220g x 0.0001g
Percentage weighing
Memory function
RS-232
Pros
- Excellent 0.0001g readability
- More stable and responsive than the previous model
- Percentage weighing function
- Memory function saves settings
- RS-232 interface for data output
Cons
- Very few reviews so far
- Premium product
This is the upgraded successor to Bonvoisin’s earlier 0.1mg model, and it currently carries a perfect rating from its first owners. The stated tolerance of 0.0004g alongside 0.0001g readability puts it firmly in analytical balance class, and the brand backs it with a calibration weight in the box.
The memory function is a small feature that pays off daily, remembering your preferred units and mode settings between sessions. Combined with percentage weighing, it turns formulation work into a two-step process instead of a spreadsheet exercise.
The specification sheet reads like a proper lab instrument: four switchable units down to 0.1mg increments, counting mode for items over 50mg, RS-232 output, and an upgraded sensor the manufacturer says is more responsive and consistent than the previous FA series.
The honest caution is sample size. Six reviews cannot tell you about long-term drift or unit-to-unit variation the way 300 reviews can. The early returns are excellent, but this is the least field-proven pick in the guide.
Units and Readout Details
The display switches between grams at four decimal places, ounces at six, carats at four, and milligrams at one. Seeing the same mass expressed in mg and g side by side is a nice sanity check during calibration.
The counting function is rated for items over 50mg, which makes it useful for small hardware or beads but not for fine powders.
Warranty and Service Expectations
Bonvoisin backs this unit with a one year warranty, and the brand’s customer service reputation is the strongest among the makers in this guide.
Keep your calibration weight and paperwork together in one box. If you ever need support, having the purchase and calibration history ready speeds everything up.
8. LACHOI 500g x 0.001g – Best Data Connectivity
LACHOI Analytical Balance 500g*0.001g Lab Scale 0.001g Accuracy (500g,1mg)
500g x 0.001g
RS-232 output
Overload protection
Counting
Pros
- 1mg readability with 500g capacity
- RS-232C interface for printers and computers
- Multiple unit conversions
- Overload protection and automatic fault detection
- Stable single-chip sensor design
Cons
- Not Prime eligible
- Only 38 reviews so far
- Fixed installation design
The standout feature here is the RS-232C interface paired with a full 500g capacity at 1mg readability. If you want to log mass readings directly to a computer or printer for a lab notebook record, this is the most capable option in the middle of this field. Stated tolerance is plus or minus 0.005g.
The single-chip microcomputer design produces stable readings, and the automatic fault detection plus overload protection make it forgiving for a shared home bench where an eager helper might set something too heavy on the pan.
Functionally it covers unit conversions across grams, pounds, carats, ounces, and troy ounces, plus parts counting. The weighing chamber is designed as a fixed installation, so plan a permanent spot rather than frequent moves.
Note that it is not Prime eligible, so shipping takes the standard route rather than two-day delivery. With 38 reviews it sits in the same newcomer category as the other LACHOI unit.
For a hobbyist documenting experiments for a blog, a channel, or just careful personal records, data output changes how you work. No more transcription errors between the display and the notebook.
Connecting RS-232 to a Modern Computer
Most laptops no longer have serial ports, so you will need a USB-to-serial adapter and a terminal program to capture the data stream. It is a one-time setup that pays for itself immediately.
Configure the balance baud rate to match your software before testing. The default settings are documented in the manual and take minutes to align.
Best Use Cases for This Model
Pick this one when 1mg resolution is sufficient and data logging is the priority. It suits hobbyists running repeated trials who want timestamped mass records.
If you would rather not deal with serial cables, the similarly specified Bonvoisin 500g x 0.001g above delivers comparable resolution with simpler operation.
Buying Guide: Choosing an Analytical Balance for Your Home Lab
Choosing among analytical balances for home chemistry comes down to four questions: how fine does your resolution need to be, how much do you weigh at once, how stable is your bench environment, and how do you plan to calibrate. Get those right and the right product picks itself.
Readability: How Fine Do You Actually Need
Readability is the smallest mass increment the display can show, and each extra decimal multiplies both cost and environmental demands. A 0.01g balance handles general solution prep and formulation. A 0.001g balance covers reagent weighing and serious quantitative hobby work. A 0.0001g balance is only necessary for trace reagents and micro-scale procedures.
The forum consensus is blunt on this point: hobbyists who buy 0.1mg they do not need often end up fighting drift instead of doing chemistry. Match resolution to your actual procedures, not to aspiration.
Capacity: Match It to Your Containers
Capacity is the maximum load, and containers eat it fast. Add up your heaviest beaker plus your largest typical sample before choosing. If you weigh directly into glassware, favor 500g or more. If you weigh into small boats, 120g is workable.
Remember that resolution and capacity trade against each other at every range. High capacity with fine readability together is what pushes institutional balances into four figures.
Calibration: Internal, External, or None
External calibration means you place a certified mass on the pan and trigger a routine. It is affordable and accurate, but you must buy the mass separately and store it carefully. Internal calibration uses a built-in mass and is far more convenient for drift checks, at a higher cost.
Every balance drifts over time from temperature, handling, and aging. Whichever route you take, establish a schedule and log your calibration checks. Serious hobbyists treat calibration documentation as part of their experiment record.
Your Bench Environment Matters More Than the Box
At milligram resolution, a ceiling fan, a closing door, or a passing HVAC vent is visible on the display. Pick the most still corner of your home, use the heaviest table available, and keep the balance away from windows and doorways.
Simple fixes work: a granite slab or thick cutting board under the balance damps vibration, and a large cardboard box placed over the unit during readings blocks drafts. Sunlight and radiator proximity cause thermal drift, so avoid both.
Warmup Time and Workflow
Fine-resolution balances need warmup before readings are trustworthy, from a few minutes at 0.01g to two hours at 0.1mg. If your sessions are short and spontaneous, that requirement shapes which level you will actually enjoy using.
Leaving the balance plugged in on standby is a common lab habit because it keeps the electronics thermally stable. Check the manual, since some models recommend it and others do not.
New vs Used Equipment
Used laboratory balances appear at attractive rates, and forum hobbyists consistently warn against them unless you can verify calibration with certified masses before buying. A dropped or aging sensor can read plausibly while drifting badly.
If you do buy used, budget for a calibration mass set immediately and test repeatability across ten weigh-ins of the same object. Inconsistency in the last digit is the tell.
Warranty, Support, and Parts
At the hobby level, brand support varies enormously. Ohaus has a genuine service ecosystem and documentation. Bonvoisin has earned a strong customer service reputation among owners. Newer brands may offer warranty coverage on paper but limited service history in practice.
Register your purchase, keep the box for safe transport, and file the manual. Small habits like these extend the working life of a precision instrument considerably.
Frequently Asked Questions
What are the best analytical balances?
For home chemistry, the best analytical balances are the Ohaus SPX2202 Scout for overall reliability, the Bonvoisin 500g x 0.001g for affordable milligram work, and the LACHOI 120g x 0.1mg or LAB FISH FA2204N when you need true 0.1mg resolution. Hobbyists who want one dependable instrument generally get the best long-term results from a known brand with a proven service record.
What are some common analytical chemistry devices?
Common analytical chemistry devices include analytical balances for mass, pH meters for acidity, spectrophotometers for light absorption, chromatography systems for separating mixtures, titration setups with burettes, centrifuges for separating solids from liquids, and thermometers or temperature probes. For a home lab, the usual starting order is a precision balance, a decent pH meter, then basic volumetric glassware.
Which balance is commonly used in laboratories?
Analytical balances with 0.1mg readability inside a draft shield are the standard instrument in professional laboratories, used alongside precision top-loading balances with 0.01g readability for heavier samples. Brands such as Mettler Toledo, Sartorius, Ohaus, and Au0026amp;D dominate institutional labs. For home use, a 1mg precision balance is the most common practical choice.
What are the two main types of analytical balances?
The two main types are analytical balances and precision balances. An analytical balance reads to 0.1mg (0.0001g) or finer, uses electromagnetic force compensation, and requires a draft shield plus a stable, vibration-free environment. A precision balance reads to 1mg (0.001g) or 0.01g, handles heavier loads, and tolerates normal bench conditions. A true microbalance reads to 1 microgram or finer, but it is specialized equipment well beyond typical home lab needs.
Final Verdict
The best analytical balance for home chemistry depends on the precision your procedures demand. For one dependable instrument that covers almost everything a hobbyist does, the Ohaus SPX2202 Scout is the pick I would make. The Bonvoisin 500g x 0.001g delivers genuine milligram resolution at the friendliest value, and the Bonvoisin 5000g x 0.01g is the smart first bench scale.
Step up to the LACHOI 120g x 0.1mg or the LAB FISH FA2204N only when your work truly needs 0.1mg readability, and pair them with a stable, draft-free corner. Whichever you choose, invest in a calibration mass, level the unit properly, and let it warm up before you trust the last digit.