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Description
A&D BM-252 - 250g x 0.00001g Semi-Micro BalanceA&D BM 252 250g x 0. 00001g Semi Micro Balance A&D BM 252 confidently handles even trace quantities of valuable or degradable substances. Critical to precision weighing is static control, which is why the direct current fanless ionizer is standard on all models. Sample weighing is at the centre of many laboratory processes, and the A&D Ion Series provides the performance, and features, standard accessories to bring real convenience and efficiency to
A&D BM-252 - 250g x 0.00001g Semi-Micro Balance
A&D BM-252 confidently handles even trace quantities of valuable or degradable substances. Critical to precision weighing is static control, which is why the direct current fanless ionizer is standard on all models.
Sample weighing is at the centre of many laboratory processes, and the A&D Ion Series provides the performance, and features, standard accessories to bring real convenience and efficiency to your lab. Automatic response adjustment function uses environmental data from built-in sensors, to compensate for the balance’s characteristics to deliver fast and stable results.
Calibration is also automated and always available with a single keypress. A range of accessories adds extra convenience.
BM-252 semi-micro balance has the performance and standard accessories to simplify microgram measurements. The Ion Series now makes microgram ( µg ) measurements accessible to all researchers and offers a real choice in microbalances.
- Built-in fanless Ionizer Standard
- Large Weighing Chamber
- Automatic Filter Response Adjustment due to drafts and/or vibration
- Automatic Self Calibration due to temperature changes
- GLP/GMP/GCP/ISO Compliant
- Removable Separation Plate for Weighing of Taller Objects
- Clear Metal Coated Anti-Static Glass
- AD-1688 Data Logger Included
Specifications:
| Max Capacity | 250 g |
| Readability | 0.01 mg |
| Pan Size | 90 mm |
| Minimum weighing value | 20 mg |
| Repeatability | 0.03 mg (for 100 g) |
| Linearity | ±0.010 mg |
| Measurement Units | g, mg, oz, ozt, ct, momme, dwt, GN, tael, tola, |
| Display Modes | pieces (counting mode), % (percent mode), Specific gravity |
| Counting mode | Minimum unit mass = 0.1mg / Number of samples = 10, 25, 50 or 100 pieces |
| Percent Mode | Minimum 100% ref. mass = 10.0 mg / Minimum 100% display = 0.01%, 0.1%, 1% (depends on the reference mass stored) |
| Internal Memory | 200 sets weighing data / 100 sets with date & time / 50 sets of calibration data |
| External Data Logger | Store up to 5,000 weighing results with date & time to AD-1688 (standard) |
| Data Output | GLP / GMP / GCP / ISO compliant. Outputs: balance manufacturer, model, s/n, balance identification number, date, time of calibration, mass used, and space for a signature. |
| Standard Interface | RS-232C, Quick USB, External key plug for optional footswitch (SW:128) |
| Calibration | Internal - Auto Self Calibration |
| Internal Calibration | Motor-driven internal calibration |
| External Calibration Masses | 200, 100, 50, 20, 10 |
| Sensitivity Drift (10 °C - 30 °C) | ±2ppm/°C (when automatic self-calibration is not used) |
| Stablization Time | ~8 sec. |
| Operating Temperature | 5°C to 40°C (41°F to 104°F), 85%RH or less (non-condensing) |
| Product Dimensions | 259 x 466 x 326mm |
| Weight | 10kg / 22lbs |
| Breeze Break | 252 x 140 x 165mm |
| Draft shield | Yes |
| Ionizer electrode pin life | Approx. 10,000 hours of continuous use. (User replaceable) |
| Power consumption | Approx. 30 VA (supplied by the AC adapter) |
| Box Includes: |
|
Additional Literature:
BM Brochure
BM Data Sheet
BM Manual
BM Manual Addendum
BM Breeze Break Manual
| A&D - BM-252 | |
|---|---|
| Capacity | 250g |
| Readability | 0.01mg |
| Pan Size | 90mm dia. |
| Minimum weighing value | 0.01mg |
| Repeatability/Std Dev. | 0.03mg (for 100g) |
| Linearity | ±0.010mg |
| Stabilization Time (set to FAST) | Approx. 8 sec. |
| Sensitivity Drift (10 °C - 30 °C) | ±2ppm/°C (when automatic self-calibration is not used) |
| Operating Temperature | 5°C to 40°C (41°F to 104°F), 85%RH or less (non-condensing) |
| Display Refresh rate | 5 times / second or 10 times / second |
| Measurement Units | g, mg, oz, ozt, ct, momme, dwt, GN, tael, tola, messghal |
| Display Modes | pieces (counting mode), % (percent mode), Specific gravity |
| Counting mode | Minimum unit mass = 0.1mg / Number of samples = 10, 25, 50 or 100 pieces |
| Percent Mode | Minimum 100% ref. mass = 10.0 mg / Minimum 100% display = 0.01%, 0.1%, 1% (depends on the reference mass stored) |
| Internal Memory | 200 sets weighing data / 100 sets with date & time / 50 sets of calibration data |
| External Data Logger | Store up to 5,000 weighing results with date & time to AD-1688 (standard) |
| Data Output | GLP / GMP / GCP / ISO compliant. Outputs: balance manufacturer, model, s/n, balance identification number, data, time of calibration, mass used, and space for a signature. |
| Standard Interface | RS-232C, Quick USB, External key plug for optional footswitch (SW:128) |
| Internal Calibration | Motor-driven internal calibration |
| External Calibration Masses | 200g, 100g, 50g, 20g, 10g |
| Ionizer electrode pin life | Approx. 10,000 hours of continuous use. (User replaceable) |
| Weighing pan diameter | 90mm |
| Power consumption | Approx. 30 VA (supplied by the AC adapter) |
| External dimensions | 259 (W) x 466 (D) x 326 (H) mm / 10.2(W) x 18.3(D) x 12.8(H) inches |
| Weight | 10kg / 22lbs |
| Standard Accessories | AC adapter, Instruction manual, WinCT (CD-ROM), Weighing Data Logger (AD-1688), Long Tweezers for calibration mass (AD-1689), Standard Tweezers. BM-20/22 also includes two filter weighing pans, microfuge holders and 3 sizes of disposable pans. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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
4.7 ★★★★★
Based on 1685 reviews
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Product Reviews
★★★★★ 4
Well…
Format: Kindle
I enjoyed the book, it had an interesting plot and magic system. The book is full of smirks, hissing, and crying. OMG the crying! The FMC cries from front to back of the book! I absolutely loved Daggermouth and read this book bc that, but I feel like she had a different editor maybe?! Idk what happened, but this book would have been so much better without the MMC smirking on every page that the FMC was crying on.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Top Book of 2024
Format: Kindle
May Contain Spoilers!
Where do I even begin?
I'm still in shock of how amazing this book was, how it touched my heart, and now how I have to wait for H. M. Wolfe to write the second. Because those last few chapters...went from 0 to 100 quick. So much new information, new relationships and loss, that now the tides have turned, and we NEED more.
This is a fantasy book of love, loss, the power of friendship, and finding one owns strength. TBOC is about Hyacinth whose home is at Asrai’s Academy for Orphans. She was torn between the safety of home or leaving it all behind for a chance at a new life. But when a mysterious messenger appears, whispering rumors of a God among Fae, everything Hyacinth thought she knew about the Realms comes crashing down, and she must now make a new journey.
This book ate me up and spit me back out. I was not anticipating the emotions I would feel within these pages. I'm talking I was laughing, then I was swooning, then I was on the edge of my seat, then I'm ready to slap someone, then I'm rooting so hard for certain characters I don't wan to stop, then my heart is broken, then I'm excited af.... it was all an emotional rollercoaster. The last few chapters contained a lot of new information, so of course as much as it doesn't leave off on a complete cliffhanger, I was over here like scraping the bottom of an ice cream cup, wanting more.
The magic system starts out ambiguous, but as you continue reading you start to get more and more to build off of and start to piece together the world H. M. Wolfe created. TBOC brings in eight main characters that test alliances, grow in friendships, fall in love, become a team, and even break bonds.
The friendship among the girls was everything. Ata is a spit fire, Pria is sweet yet terrifying. The banter and protectiveness these three had for one another made me want to join in with them for breakfast. I liked how there was multiple romances going on at once. Yes we have the main characters, but it just wasn't always about them, and it was great to see how others shifted and grew too.
And last the romance, I've never rooted so hard for two characters. We're talking slow burn between them. In the beginning you're not sure how this is all going to play out, but Landers is a tatted, "touch her and die" kind of MMC, which who cannot love that? Hyacinth definitely had to grow within the chapters and learn how to be strong, because sometimes she was making me mad and I just wanted to step in there for her. But Landers was everything she needed and it was so well written, which is why by time you get to the end you only want more of them!
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Reviewed in the United States on September 24, 2024
★★★★★ 3
cliffhanger, no 2nd book in sight
Format: Kindle
The book itself was pretty good. The plot is unique and full of suspense and action, although some of it felt redundant. I particularly enjoyed the realistic growth cycle of the female lead from abuse survivor with low self-esteem to badass warrior.
I never would have read it though if I had known this is not complete, and there is no information available on the next book.
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Reviewed in the United States on November 17, 2024
★★★★★ 4
4.5
Format: Kindle
4.5
The Book of Cin relies heavily on the progression and growth of our fmc, which I don't hate. It shows us the girl she was and what she allowed and who she then grows into by the end due to all the events that happens within the book. This journey - physically, mentally, and especially emotionally - takes us through her current and past experiences and expresses how one can grow from trauma. Her support group is invaluable, and the new relationships she forms prove to be just as prominent to her and her growth. This is truly a story that thrives on the characters growth throughout the book and sets us up in how to see her for the coming books.
My half star comes from the pacing. Though I *thoroughly* enjoyed the ending and seeing this growth take full effect, I believe that it came with just too many pages. Sitting at about 500, we get intimate and detailed scenes that we could have maybe gone without. Oftentimes, I found myself daydreaming away from the book until something more prominent peaked my interest again. I understand the depth the book goes into to fully establish this character development and the setup that this provides for the rest of the series, but I truly do believe there were scenes that could have been cut out to help with the pacing.
If you're not into slow pacing (and usually I'm not), this book is still worth the read. The ending more than makes up for it, and it is absolutely detrimental to the story that we get the events that occur and see the development take shape in front of our eyes. It makes you fist pump the sky by the end.
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Reviewed in the United States on May 20, 2025
★★★★★ 5
All the stars! Emotional! Incredible!
Format: Kindle
𝘔𝘺 𝘩𝘦𝘢𝘳𝘵 𝘥𝘪𝘥𝘯’𝘵 𝘫𝘶𝘴𝘵 𝘴𝘵𝘰𝘱 𝘣𝘦𝘢𝘵𝘪𝘯𝘨—𝘪𝘵 𝘴𝘩𝘢𝘵𝘵𝘦𝘳𝘦𝘥 𝘪𝘯𝘵𝘰 𝘢 𝘮𝘺𝘳𝘪𝘢𝘥 𝘰𝘧 𝘧𝘳𝘢𝘨𝘮𝘦𝘯𝘵𝘴 𝘵𝘰 𝘵𝘩𝘦 𝘥𝘢𝘳𝘬𝘦𝘴𝘵 𝘤𝘰𝘳𝘯𝘦𝘳𝘴 𝘰𝘧 𝘵𝘩𝘦 𝘷𝘰𝘪𝘥 𝘤𝘰𝘯𝘴𝘶𝘮𝘪𝘯𝘨 𝘮𝘦.
This was one of those books I have a hard time reviewing because I struggle to find the words to adequately express how incredible it was! This book deserves every single star! It is heart-wrenching, emotional, and heavy. The depictions of self-worth, guilt, loss, love, and everything in between were done beautifully. There are multiple romances to root for and the development of the plot/world was executed brilliantly. It has an amazing set of characters that will bring out not only all the rage/hate but also sacrifice that will impact your soul! The ending of chapter 19 will live rent free in my mind and is now one of my top favorite moments from any book and why Landers will forever take a top spot in my all-time favorite book boyfriends! The depiction of what true friendship should be is also well represented! Ardan stole my heart as the best side character and if you’ve read this we need to talk (iykyk)!! I absolutely need the next book to see what happens next!!
“𝘐 𝘴𝘩𝘰𝘶𝘭𝘥𝘦𝘳𝘦𝘥 𝘺𝘰𝘶𝘳 𝘱𝘢𝘪𝘯, 𝘯𝘰𝘵 𝘢𝘴 𝘢 𝘵𝘦𝘴𝘵𝘢𝘮𝘦𝘯𝘵 𝘵𝘰 𝘺𝘰𝘶𝘳 𝘸𝘦𝘢𝘬𝘯𝘦𝘴𝘴, 𝘣𝘶𝘵 𝘣𝘦𝘤𝘢𝘶𝘴𝘦 𝘮𝘺 𝘰𝘸𝘯 𝘴𝘵𝘳𝘦𝘯𝘨𝘵𝘩 𝘤𝘳𝘶𝘮𝘣𝘭𝘦𝘥 𝘪𝘯 𝘵𝘩𝘦 𝘧𝘢𝘤𝘦 𝘰𝘧 𝘺𝘰𝘶𝘳 𝘴𝘶𝘧𝘧𝘦𝘳𝘪𝘯𝘨. 𝘐 𝘤𝘰𝘶𝘭𝘥 𝘯𝘰𝘵 𝘴𝘵𝘢𝘯𝘥 𝘪𝘥𝘭𝘦 𝘸𝘩𝘪𝘭𝘦 𝘐 𝘭𝘪𝘴𝘵𝘦𝘯𝘦𝘥 𝘵𝘰 𝘴𝘤𝘳𝘦𝘢𝘮𝘴 𝘰𝘧 𝘢𝘨𝘰𝘯𝘺 𝘤𝘰𝘮𝘦 𝘧𝘳𝘰𝘮 𝘢𝘯𝘰𝘵𝘩𝘦𝘳 𝘸𝘰𝘮𝘢𝘯 𝘐 𝘤𝘢𝘳𝘦 𝘧𝘰𝘳. 𝘐𝘵 𝘸𝘢𝘴 𝘯𝘰𝘵 𝘮𝘺 𝘱𝘭𝘢𝘤𝘦 𝘵𝘰 𝘵𝘢𝘬𝘦 𝘵𝘩𝘢𝘵 𝘧𝘳𝘰𝘮 𝘺𝘰𝘶, 𝘺𝘦𝘵 𝘐 𝘸𝘰𝘶𝘭𝘥 𝘥𝘰 𝘪𝘵 𝘢𝘨𝘢𝘪𝘯, 𝘧𝘰𝘳 𝘢 𝘵𝘩𝘰𝘶𝘴𝘢𝘯𝘥 𝘮𝘰𝘳𝘦 𝘩𝘰𝘶𝘳𝘴, 𝘪𝘧 𝘵𝘩𝘢𝘵 𝘮𝘦𝘢𝘯𝘵 𝘺𝘰𝘶 𝘥𝘪𝘥 𝘯𝘰𝘵 𝘩𝘢𝘷𝘦 𝘵𝘰 𝘴𝘶𝘧𝘧𝘦𝘳 𝘦𝘷𝘦𝘯 𝘢 𝘴𝘦𝘤𝘰𝘯𝘥 𝘭𝘰𝘯𝘨𝘦𝘳.”
“𝘐 𝘢𝘮 𝘯𝘰𝘵 𝘩𝘪𝘮. 𝘐 𝘸𝘢𝘯𝘵 𝘵𝘩𝘦 𝘴𝘩𝘦𝘭𝘭 𝘰𝘧 𝘺𝘰𝘶. 𝘐 𝘸𝘢𝘯𝘵 𝘵𝘩𝘦 𝘣𝘳𝘰𝘬𝘦𝘯, 𝘴𝘤𝘢𝘵𝘵𝘦𝘳𝘦𝘥 𝘴𝘩𝘢𝘳𝘥𝘴. 𝘐 𝘸𝘢𝘯𝘵 𝘵𝘩𝘦 𝘵𝘦𝘢𝘳𝘴, 𝘵𝘩𝘦 𝘯𝘪𝘨𝘩𝘵𝘮𝘢𝘳𝘦𝘴, 𝘵𝘩𝘦 𝘱𝘢𝘪𝘯. 𝘐 𝘸𝘢𝘯𝘵 𝘺𝘰𝘶. 𝘈𝘭𝘭 𝘰𝘧 𝘺𝘰𝘶. 𝘛𝘩𝘦 𝘧𝘦𝘢𝘳, 𝘢𝘯𝘥 𝘦𝘷𝘦𝘳𝘺 𝘧𝘳𝘢𝘨𝘮𝘦𝘯𝘵𝘦𝘥 𝘱𝘪𝘦𝘤𝘦 𝘰𝘧 𝘺𝘰𝘶𝘳 𝘣𝘭𝘢𝘤𝘬𝘦𝘯𝘦𝘥 𝘴𝘰𝘶𝘭; 𝘐 𝘸𝘢𝘯𝘵 𝘵𝘩𝘰𝘴𝘦 𝘱𝘢𝘳𝘵𝘴 𝘵𝘰𝘰.”
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2025
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