Ohaus PR Precision Balances
Ohaus PR Series Precision balances offer accuracy and repeatability in essential weighing applications in industrial, laboratory and education settings at an economical price. Featuring RS232 connectivity for easy communication, and a backlit display and a simple interface for uncomplicated operation, the PR is perfectly designed for your workplace.
Ohaus PR Precision Balances
Ohaus PR Precision balances offer accuracy and repeatability in essential weighing applications in industrial, laboratory and education settings at an economical price. Featuring RS232 connectivity for easy communication, a backlit display and a simple interface for uncomplicated operation, the PR is perfectly designed for your workplace.
Key Features
- User-selectable environmental filters
- Brightness settings, auto-tare, auto-dim
- User-selectable span calibration points
- Software lockout and reset menu
- User-definable project and user IDs
- Software overload/underload indicator
- Stability indicator
- Integrated weigh-below-hook
- Calibration lock
- Removable glass draft shield with sliding top door (PR223/423/523 Models only)
- Security bracket
PR Precious balances are is equipped with 3 essential weighing modes, RS-232 connectivity for data transfer and storage, and internal calibration (in select models), making it ideal for routine weighing applications. With their small footprint, PR balances save desktop space while providing a large weighing surface. They are durably constructed and features a stainless steel pan to withstand day-to-day use in the workplace.
Optional Accessories
InCal™ Model | PR124 | PR224 | PR223 | PR423 | PR523 |
ExCal Model | PR124/E | PR224/E | PR223/E | PR423/E | PR523/E |
Approved Model* | PR124M | PR224M | PR223M | PR423M | PR523M |
Capacity (g) | 120 | 220 | 420 | 520 | |
Readability (g) | 0.0001 | 0.001 | |||
Verification Interval (e) (g) (Approved Models) | 0.001 | 0.01 | |||
Class (Approved Models) | I | II | |||
Repeatability (STDEV) (g) | 0.0001 | 0.001 | |||
Linearity (g) | 0.0002 | 0.002 | |||
Stabilization Time (s) | 3 | 2 | |||
Sensitivity Temperature Drift (PPM/K) | ±3 | ±8 | ±3 | ||
Typical Minimum Weight USP (USP, K=2, U=0.10%) | 200 mg | 2 g | |||
Optimized Minimum Weight (USP, U=0.10%, K=2) SRP≤0.41d** | 82 mg | 0.82 g | |||
Units | Milligram, Gram, Ounce, Carat, Pennyweight, Ounce Troy, Newton, grain | ||||
Units (Approved Models) | Milligram, Gram, Carat | ||||
Applications | Basic Weighing, Parts Counting, Percent Weighing | ||||
Pan Size (Ø) | 90 mm | 120 mm | |||
Tare Range | To full range by subtraction | ||||
Power Supply | Power Input: 100 – 240V ~ 200mA 50 – 60Hz 12 – 18VA Power Output:12 VDC 0.5A | ||||
Assembled Dimensions (W × D × H) | 201 × 317 × 303 mm | ||||
Communication | RS232 | ||||
Operating Temperature Range | Operating conditions for ordinary lab application: +10 to 30°C (operability guaranteed between +5 and 40°C) | ||||
Storage Temperature Range | Humidity: maximum relative humidity 80% for temperatures up to 30 °C, decreasing linearly to 50% relative humidity at 40 °C | ||||
Net Weight | 4.5 kg | ||||
Shipping Weight | 7 kg | ||||
Shipping Dimensions (W × D × H) | 507 × 387 × 531 mm | ||||
InCal™ Model | PR1602 | PR2202 | PR4202 | PR4201 | PR6201 |
ExCal Model | PR1602/E | PR2202/E | PR4202/E | PR4201/E | PR6201/E |
Approved Model* | PR1602M | PR2202M | PR4202M | PR4201M | PR6201M |
Capacity (g) | 1600 | 2200 | 4200 | 6200 | |
Readability (g) | 0.01 | 0.1 | |||
Verification Interval (e) (g) (Approved Models) | 1 | ||||
Class (Approved Models) | II | ||||
Repeatability (STDEV) (g) | 0.01 | 0.1 | |||
Linearity (g) | 0.02 | 0.2 | |||
Stabilization Time (s) | 1 | ||||
Sensitivity Temperature Drift (PPM/K) | ±6 | ±3 | ±10 | ||
Typical Minimum Weight USP (USP, K=2, U=0.10%) | 20 g | 200 g | |||
Optimized Minimum Weight (USP, U=0.10%, K=2) SRP≤0.41d** | 8.2 g | 82 g | |||
Units | Gram, Kilogram, Ounce, Pound, Carat, Pennyweight, Ounce Troy, Newton, grain | ||||
Units (Approved Models) | Gram, Kilogram, Carat | ||||
Applications | Basic Weighing, Parts Counting, Percent Weighing | ||||
Pan Size (Ø) | 180 mm | ||||
Tare Range | To full range by subtraction | ||||
Power Supply | Power Input: 100 – 240V ~ 200mA 50 – 60Hz 12 – 18VA Power Output:12 VDC 0.5A | ||||
Assembled Dimensions (W × D × H) | 201 × 317 × 93 mm | ||||
Communication | RS232 | ||||
Operating Temperature Range | Operating conditions for ordinary lab application: +10 to 30°C (operability guaranteed between +5 and 40°C) | ||||
Storage Temperature Range | Humidity: maximum relative humidity 80% for temperatures up to 30 °C, decreasing linearly to 50% relative humidity at 40 °C | ||||
Net Weight | 3.5 kg | ||||
Shipping Weight | 5 kg | ||||
Shipping Dimensions (W × D × H) | 550 × 385 × 291 mm |
*Approved models are all internal calibration models.
**The value for SRP is the standard deviation for n replicate weighings (n≥10)
Additional information
Capacity | |
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Pan/Platform Size (mm) | |
Readability | |
Readability (Certified) | |
Internal Calibration | InCal™ – Semi Automatic, Not Applicable |