Accurate, Affordable, and Easy to Use
The OHAUS PR Series Analytical Balances are designed to provide accurate and repeatable measurements for routine weighing applications in laboratory, industrial, and educational settings. With capacities ranging from 120 g to 220 g and a readability of 0.1 mg, these balances offer competitive performance at an economical price point.
Key Features
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High Accuracy: Readability of 0.1 mg for precise analytical measurements.
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RS232 Connectivity: Facilitates easy data transfer and communication with peripheral devices.
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User-Friendly Interface: Simple operation with a backlit LCD for clear visibility.
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Durable Construction: ABS housing and stainless steel pan designed for long-term use.
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Versatile Applications: Supports basic weighing, parts counting, and percent weighing modes.
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Additional Features: Integrated weigh-below-hook, security bracket, and calibration lock enhance usability.
Model Suffixes Explained
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Models ending with 'M': Trade-approved balances with internal calibration (InCal™), certified for legal-for-trade applications.
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Models ending with '/E': External calibration models not certified for legal-for-trade use.
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Standard models: Internal calibration models not certified for trade.
OHAUS PR Series Analytical – Model Comparison
Model |
Capacity (g) |
Readability (mg) |
Certified Readability (mg) |
Calibration |
Pan Size (mm) |
Legal for Trade |
PR124 |
120 |
0.1 |
– |
InCal™ |
90 |
No |
PR124/E |
120 |
0.1 |
– |
External |
90 |
No |
PR124M |
120 |
0.1 |
1 |
InCal™ |
90 |
Yes |
PR224 |
220 |
0.1 |
– |
InCal™ |
90 |
No |
PR224/E |
220 |
0.1 |
– |
External |
90 |
No |
PR224M |
220 |
0.1 |
1 |
InCal™ |
90 |
Yes |
Additional Information
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Calibration Types:
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InCal™: Semi-automatic internal calibration
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External: Requires manual calibration using external weights
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Draftshield: All models include a removable glass draftshield to reduce airflow interference
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Legal for Trade: Models ending in “M” are certified for commercial use
Downloads & Resources