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Description
OHAUS Explorer PLUS™ Semi-Micro EXP BalancesOverview The new Explorer EXP series offers a premium weighing performance, compliance support and data traceability. The advanced features take the EXP to the next level by optimizing the user experience. This Flagship balance is crafted to meet the most demanding requirements of modern scientific research. Seamless setup with motorized leveling, anti pintch auto doors, touchless sensors, ionizers and draft shield lights. Has a 7 inch glass
Overview
The new Explorer EXP series offers a premium weighing performance, compliance support and data traceability. The advanced features take the EXP to the next level by optimizing the user experience. This Flagship balance is crafted to meet the most demanding requirements of modern scientific research. Seamless setup with motorized leveling, anti-pintch auto doors, touchless sensors, ionizers and draft shield lights. Has a 7-inch glass touchscreen, chemical protection and 2 modifiable status lights. Ensure compliance with 4-level user system, password protection, and 100k internal system log. The time synchronization NTP function confirms data traceability to meet the Pharmaceutical regulations. Advanced communication capabilities with straightforward integration to Laboratory Information Management Systems (LIMS), and hassle-free data transfer with driverless HID for easy data input.
Features:
- 15 application modes: Basic Weighing, Parts Counting, Check Counting, Percent Weighing, Check Weighing, Dynamic Weighing, Totalization, Formulation, Differential, Density
- Determination, Peak Hold, Pipette Adjustment, SQC, Fill Weight Variation, Flow Rate Control
- The 7-inch touch screen display
- USB Host (Type A) x 2, USB Device (Type B) x 1, USB Device (Type C) x 1 Ethernet (RJ45) x 1, RS232 x 1;
- Optional Wi-Fi/ Bluetooth Dongle
Key Attributes
| Capacity | 52-220g (model dependent) |
| Readability | 0.00001g to 0.0001g |
| Calibration | Internal |
| Draft protection | Doors |
| Data output port | RS232 and USB |
| Warranty | 2 Years |
Manufacturer Specs
| Model | EXP125D/AD | EXP125/AD | EXP225D/AD | EXP225/AD |
| Communication | USB Host (Type A) x 2, USB Device (Type B) x 1, USB Device (Type C) x 1 Ethernet (RJ45) x 1, RS232 x 1; Optional Wi-Fi/ Bluetooth Dongle |
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| Maximum Capacity | 120.0 g | 120.0 g | 220.0 g | 220.0 g |
| Temerature Range | 10 °C – 30 °C | |||
| Readability d | 0.01 mg | |||
| Repeatability ≤5% of full load | 0.01 mg | |||
| Repeatability 5% of full load | 0.01 mg | |||
| Internal Calibration | AutoCal™ - Automatic | |||
| Stabilization Time | 0.1 mg: ≤2 seconds, 0.01 mg: ≤ 5 seconds |
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| Units of Measurement | 18 weighing units: g, mg, ct, N, oz, ozt, GN, dwt, mo, msg, tl H, tl S, tl T, tcl, tola, baht, Customer 1, Customer 2 |
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| Power | AC Adapter Input: 100-240 VAC 0.5A 50-60 Hz AC Adapter Output: 12 VDC 1.5A 18W |
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| Working Environment | Indoor use only. Altitude: 2000 m Working ambient temperatures: 5.0 °C – 40.0 °C Humidity: Maximum relative humidity 80% for temperatures up to 31 °C decreasing linearly to 50% relative humidity at 40°C. Mains supply voltage fluctuations: up to ±10% of the nominal voltage. Installation category II |
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| Tare Range | To capacity by subtraction | |||
| Calibration Weight | 100 g ASTM Class 1 | 200 g ASTM Class 1 | ||
| Pan Size (Dia inches) | 3.1 x 3.1 in | |||
| Pan Size (Dia mm) | Aero Pan 80 x 80 mm | |||
| Height (in) | 14.6 in | |||
| Height (mm) | 372.0 mm | |||
| Length (in) | 9.0 in | |||
| Length (mm) | 229.0 mm | |||
| Width (in) | 16.1 in | |||
| Width (mm) | 408.0 mm | |||
| In-Use Cover | included | |||
| Net Weight (lb) | 17.2 lb | |||
| Net Weight (kg) | 7.8 kg | |||
| Gross Weight (shipping) | 12.0 kg | |||
| Height (shipping) | 561.0 mm | |||
| Length (shipping) | 415.0 mm | |||
| Width (shipping) | 630.0 mm | |||
| Country of Origin | China | |||
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- 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
4.0 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 3
OK for the price, but overall comfort is avergae
Size: 934-Z, Color: Mustard
Easy to put together, color (mustard) accurate to images, and while I understand this is not a high-end chair, I feel like it still needs to be rated for its quality.
Pros: the seat cushions are fairly comfortable and it rolls well. Adjustable footrest is easy enough and mostly sturdy.
Cons: For a tall office chair, it doesn't go up high enough. I actually had to lower my standing desk to sit at it, which then isn't where I want it when I'm standing now. It's also a bit wobbly. The seat area's attachment to the post isn't as solid as it should be for a tall chair, so while sitting, it does tend to lean/slope forward and wobble side to side. The lumbar support is not adjustable, so I'm not even really sure what it does. And the armrests are not very comfortable to use. Since they are hard plastic, they are just a bit too rigid to rely on for any comfort. They are basically there to hold on to when you're getting out of the chair.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Good Value for a Tall Chair
Size: 934W-Z, Color: White
I have received this chair just today and would like to give my first impressions of it.
Height is super adjustable as well as the foot rest. My desk is very tall (~34 inches vs standard ~29 inches) and does not suit a standard height chair. This chair's height is enough to sit comfortably at mybut also still having adjustment to be even higher.
Lumbar support is a manual adjustment that can be adjusted by sliding the lumbar piece up or down and it seems it can be tiled as well.
No reclining feature or slight backrest tilt adjustment. I'm used to my chairs reclining so it feels a little awkward siting in a flat base and straight backrest. I feel like I'm sitting too forward or leaning forward slightly but is probably something I can get use to.
Easy to put together and feels very sturdy. Plastic parts of chair are made from a really sturdy plastic, like playhouse plastic materials. Wheels roll around carpet easily. Mesh seems to be a strong material, though the mesh feels kind itchy on bare skin.
Overall, I think this is a good chair to get if you're needing a tall chair for a good value and can sacrifice no backrest tilt.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Excellent adjustable drafting chair
Size: 934-Z, Color: Blue
Excellent chair design, extremely comfortable and exceptionally easy instructions to follow making for simple assembly. Love the amply wide cushioned seat and ergonomic backrest. The height adjustment feature works perfectly as well as positioning of the foot ring . Having the ability to raise the arms is also a big plus! I highly recommend this product for attractive appearance, comfort features, functionality and operation. Really nice chair!
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Reviewed in the United States on April 13, 2026