Ohaus PR Series Precision Balance
Ohaus PR Series Precision Balance
Reliable. Affordable. Essential.The Ohaus PR Series delivers dependable precision weighing for laboratory, industrial, and educational environments at an exceptional value. Featuring three built-in weighing modes, RS-232 connectivity, a removable glass draft shield, and a compact footprint with a generous stainless steel pan — the PR Series is ready to work right out of the box.
- Backlit LCD Display: Clear, easy-to-read screen for confident operation in any lighting.
- Calibration: External calibration with user-selectable span points.
- RS-232 Connectivity: Included serial port for seamless data transfer to printers and PCs.
- 3 Weighing Modes: Basic Weighing, Parts Counting, and Percent Weighing.
Why Choose the PR Series?
Fast & Reliable
With a 2-second stabilization time and 0.001 g readability, the PR Series delivers quick, consistent results for routine precision weighing tasks.
Backlit LCD Display
The bright backlit LCD provides clear readings in any lighting condition. The intuitive interface requires minimal training for immediate, confident operation.
RS-232 Connectivity
Included RS-232 port enables direct data transfer to printers, computers, and LIMS systems. Configurable communication settings and data print options.
Compact & Durable
Space-saving design with ABS top housing, stainless steel pan, and removable glass draft shield. Built to last in labs, classrooms, and light industrial settings.
Built for Everyday Precision
The PR Series packs essential weighing features into a compact, reliable package — designed for professionals and students who need dependable accuracy without complexity.
- Removable glass draft shield with sliding top door
- Integrated weigh-below-hook for density determination
- Security bracket for shared lab environments
- Auto-tare and auto-dim for enhanced convenience
- User-selectable environmental filters for stability
GLP/GMP Compliance & Data Control
The PR Series includes built-in software controls to support documented weighing processes and protect critical settings in regulated or shared environments.
GLP/GMP Data Output
Configurable data print options with user-definable project and user IDs ensure complete traceability for every measurement record.
Software Lockout & Calibration Lock
Protect critical settings with software lockout and reset menu. Calibration lock prevents unauthorized adjustments to ensure measurement integrity.
Overload/Underload Protection
Software-based overload and underload indicators alert users immediately, protecting the balance sensor and ensuring only valid measurements are recorded.
3 Built-In Application Modes
The PR Series provides the essential weighing modes needed for everyday laboratory, industrial, and educational tasks — straightforward and ready to use without complex setup.
- Basic Weighing
- Parts Counting
- Percent Weighing
Additional capabilities include the integrated weigh-below-hook for density determination and suspended weighing, plus stability indicators and display hold for dynamic samples.
Data Transfer & Connectivity
The PR Series includes an RS-232 serial port as standard, making it simple to integrate into existing data workflows and connect to peripherals.
- RS-232 Serial Port: Included for connection to printers, computers, and data management systems.
- Configurable Output: User-selectable communication settings and data print formats.
- Auxiliary Display: Optional second display available as an accessory for remote viewing.
- Project & User IDs: User-definable identification for organized, traceable data records.
Calibration Options
See the PR Series in Action
Technical Specifications
Safe Shipping & Packaging Guarantee
We understand that precision balances are delicate instruments. At Weighcore, we eliminate the risk of shipping damage with our premium, reinforced packaging standards.
Reinforced Packaging
Every unit is shipped in shock-absorbing foam, fortified with extra protective layers to withstand transit vibrations.
100% Insured Transport
Your investment is fully protected. We provide comprehensive insurance coverage against loss or damage during transit.
Specialized Handling
We work with logistics partners who understand the importance of handling sensitive laboratory equipment with care.
