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Precision Lab Balances
BSA / BSA II Precision Balance
The Sartorius BSA and BSA II precision balances bring efficient, reliable routine weighing to the everyday lab: from 220 g up to 8,200 g with 1 mg, 10 mg or 100 mg readability. A hybrid display, built-in application programs, USB Type-C and RS232 interfaces and automated internal calibration on the I-1x and -CW models make basic weighing simple, accurate and affordable.
Accessories for BSA / BSA II Precision
Add what you need to your enquiry list.
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Accessories for Weights and Weight Sets
Prevent damage to the surface of weights with a wide range of accessories for proper handling, storage and cleaning.
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Cylindrical Weights
Individual F1, F2 and M1 OIML class weights with special steel or grey cast cylindrical weights.
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Knob Weights
Individual E1, E2, F1, F2 and M1 OIML class special steel knob weights are highly polished, corrosion-resistant and available from 1 g to 50 kg.
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Leaf Weights
Individual F1 OIML class weights, made of aluminum (1 mg to 5 mg) or nickel silver (10 mg to 500 mg) and packaged in an easy to store plastic case.
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Weight Sets
Individual E1, E2, F1, F2 and M1 OIML class weight sets made of highly polished special steel, nickel silver, galvanized brass or aluminum.
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Wire Weights
Individual E1 and E2 OIML class steel wire weights are available from 1 mg to 500 mg, are non-magnetizable and have a density of 8.0 g/cm3.
Specifications across the series
These are ranges for the whole BSA / BSA II Precision Balance line. Each model has its own exact values: see the brochure below or ask our team and we will confirm the right model for you.
- Model
- BSA II: BSA623, 423, 323, 223 (1 mg); BSA6202, 4202, 3202, 2202, 822 (10 mg); BSA8201, 5201, 2201 (100 mg), each as I-1x and -1x / BSA: BSA623S, 423S, 323S, 223S; BSA822, 6202S, 4202S, 3202S, 2202S; BSA8201, 5201, 2201, each also as -CW
- Readability (mg)
- 1 / 10 / 100
- Weighing capacity (g)
- 220 to 8,200
- Pan size (mm)
- BSA II: Ø 120 (1 mg) / 182 × 182 (10 mg, 100 mg) / BSA: Ø 115 (1 mg), Ø 150 (BSA822), 180 × 180 (others)
- Repeatability, typical (mg)
- ± 1 / ± 10 / ± 100 (BSA II); 1 / 10 or 20 / 100 (BSA)
- Stabilization / response time (sec.)
- BSA II: ≤ 1.5 (1 mg) / ≤ 1.0 (10 mg, 100 mg) typical; BSA: 1.0 to 1.3 average
- Calibration and adjustment
- Internal on I-1x and -CW models / External on other models
- Weighing chamber height (mm)
- 200 (BSA II 1 mg models) / open pan
- Dimensions, W × D × H (mm)
- 219 × 317 × 306 (BSA II 1 mg) / 219 × 317 × 94 (BSA II 10 mg, 100 mg)
- Interfaces
- USB Type-C and RS232 (BSA II)
Key features of BSA / BSA II Precision
Hybrid display for fast readings
Fast, accurate readings on 1 mg, 10 mg and 100 mg precision models.
Automated internal calibration
BSA II I-1x models and BSA -CW models calibrate with an internal motorized weight, with no manual test weights needed.
Integrated application programs
Weighing, dosing, counting, percentage weighing, density determination, statistics and more guide your daily routines.
USB Type-C and RS232
The USB Type-C port detects Sartorius printers and displays, and RS232 keeps the balance compatible with existing systems.
Portable design (BSA II)
With the converter cable YCC-5V-15V the balance goes wherever you need it.
Key advantages of BSA / BSA II Precision
Basic weighing, done right
Consistent readings with each use, so you can weigh your sample and move on to the next task.
Fast response
Typical stabilization time of 1.5 seconds or less on BSA II 1 mg models and 1.0 second or less on the 10 mg and 100 mg models.
Monolithic weigh cell
A single-block sensor gives long-term stability, fast response and high repeatability (BSA series).
Durable, easy to clean
A chemical-resistant PBT housing and, on 1 mg models, a draft shield that can be taken apart for cleaning.
Wide range in one family
BSA II covers 60 g up to 8,200 g, so one family suits many weighing tasks.
About BSA / BSA II Precision
The Sartorius BSA and BSA II Precision Balances are designed for the routine demands of laboratory work: quality control, education and everyday precision weighing. German-designed and built for consistent readings, they let you weigh your sample and move on to the next task.
BSA II (updated generation): each model comes with internal calibration (I-1x) or external adjustment (no I)
1 mg, with draft shield (Ø 120 mm pan): BSA623 (620 g), BSA423 (420 g), BSA323 (320 g) and BSA223 (220 g).
10 mg, open pan (182 × 182 mm): BSA6202 (6,200 g), BSA4202 (4,200 g), BSA3202 (3,200 g), BSA2202 (2,200 g) and BSA822 (820 g).
100 mg, open pan (182 × 182 mm): BSA8201 (8,200 g), BSA5201 (5,200 g) and BSA2201 (2,200 g).
BSA (earlier generation): each model comes with a built-in motorized internal weight (-CW) or external adjustment
1 mg: BSA623S, BSA423S, BSA323S and BSA223S. 10 mg: BSA822 and BSA6202S, BSA4202S, BSA3202S, BSA2202S. 100 mg: BSA8201, BSA5201 and BSA2201, each also as -CW.
Everyday weighing deserves the best technology
A hybrid display provides fast, accurate readings across the BSA II range of 60 g up to 8,200 g.
Integrated application programs support daily routines with clear instructions and intuitive indicators: weighing, dosing, counting, percentage weighing, mixing, components, animal weighing, calculation, density determination, statistics and mass unit conversions, plus an underfloor weighing feature for large samples.
Automated calibration and adjustment on the I-1x and -CW models ensures maximum weighing accuracy and ease of use without manual test weights.
Connectivity and portability
BSA II has a USB Type-C port that automatically detects Sartorius printers or displays, and an RS232 interface that keeps it compatible with existing systems. With the converter cable YCC-5V-15V the balance can also be used portably.
Built to be dependable
The BSA series uses a monolithic weigh cell that reduces drift and protects against overload, and a housing made of chemical-resistant PBT plastic. BSA II milligram models have a Ø 120 mm pan and a weighing chamber 200 mm high and measure 219 × 317 × 306 mm (W × D × H); the 10 mg and 100 mg models have a 182 × 182 mm open pan and measure 219 × 317 × 94 mm. Our team can help you choose the right model and accessories.
Documents & research papers
Frequently asked questions: BSA / BSA II Precision
BSA II is the updated generation with a hybrid display, USB Type-C and RS232 interfaces and models with internal calibration marked I-1x. The earlier BSA precision models are marked S, with -CW versions that have an internal motorized weight.
BSA II models with I-1x in the code and BSA models ending in -CW have internal calibration and adjustment. The others are calibrated with an external test weight.
1 mg models from 220 g to 620 g, 10 mg models from 820 g to 6,200 g and 100 mg models from 2,200 g to 8,200 g.
The 1 mg models have a draft shield. The 10 mg and 100 mg models have an open pan.
BSA II has a USB Type-C port that detects Sartorius printers and displays automatically, and an RS232 interface for existing systems.
Keep the balance plugged in and let it warm up for at least 30 minutes before operation so that the internal components reach their optimum temperature.
Enquire about BSA / BSA II Precision
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