OHAUS PR523N PR Series Precision Balance, 520 g x 0.001 g, NTEP, Interal Calibration

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OHAUS PR523N PR Series Precision Balance, 520 g x 0.001 g, NTEP, Interal Calibration

OHAUS PR523N PR Series Precision Balance, 520 g x 0.001 g, NTEP, Interal Calibration


New product

  • Economical NTEP certified precision balance
  • Weighing, parts counting and percent weighing
  • Connect to Point-of-Sale systems and printers via RS232
  • NTEP certified to 0.01 g readability
  • Bright backlit LCD display
  • Semi-automatic internal calibration
  • 2 year warranty
  • Typically ships in 2-3 days

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Limited special offer

Our Price: $1,338.75

List: $1,575.00

Brand: OHAUS

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OHAUS PR523N PR Series Precision Balance

OHAUS PR Series precision balances are perfectly designed for educational and manufacturing applications due to their reliability, simplicity and precision weighing. Furthermore, the OHAUS PR Series delivers a solution for workplaces that require NTEP and Measurement Canada certification. They offer an economical solution for precision weighing, parts counting and percent weighing. Operation is made simple using a simple 4 button keypad, bright LCD display and intuitive user friendly navigation. The glass draft shield features top and side sliding doors that make access easy and cleaning a breeze. PR Series precision balances connect easily to printers and point-of-sale systems via the standard RS232 communication port.

The PR523N features semi-automatic internal calibration that helps keep accuracy in check using an internal motorized mechanism. An operator simply uses the menu to select the internal calibration mode and perform verification with the push of a button.


  • NTEP and Measurement Canada Certified, NTEP Class II
  • Semi-automatic internal calibration via user prompt
  • User friendly operation using 4 button keypad and intuitive menu
  • Connect to printers, PCS and point-of-sale systems via RS232
  • User selectable environmental filters and communication settings
  • User selectable data print options including project and user IDs
  • Software overload and underload indicator
  • Glass draft shield with sliding top door and side doors
  • Stainless steel pan is removable for easy cleaning
  • Integral weigh-below hook for under balance weighing
  • Fast stabilization time of 2 seconds or less
  • Certified readability to 0.01 g


Capacity520 g
Readability0.001 g
Certified Readability0.01 g
Repeatability0.001 g
Linearity± 0.002 g
Minimum Weight0.82 g
Minimum Weight USP2 g
CalibrationSemi-automatic internal calibration
TareTo capacity by subtraction
Calibration Weight500 g OIML F1, ASTM Class 4
Stabilization Time~ 2 seconds
UnitsMilligram, Gram, Ounce, Ounce Troy, Pennyweight, Grain, Carat
Weighing ApplicationsBasic Weighing, Parts Counting, Percent Weighing
Pan Size4.72 in. / 120 mm Ø
DisplayLCD with backlight
Draft Shield Size6.8 × 5.1 × 8.1 in. / 172 × 131 × 205 mm
Power Supply

Power Input: 100–240V ~ 200mA 50–60Hz 12–18VA

Power Output: 12 VDC 0.5A

Dimensions8.2 × 12.6 × 12.2 in. / 209 × 321 × 309 mm
Operating Conditions50 °F to 86 °F / 10 °C to 30 °C
Net Weight10 lb / 4.5 kg
Warranty2 year
Item Number30452494  
Model NumberPR523N

• Metrology: NIST Handbook 44; Canada Weights and Measures Regulations

• Product Safety: IEC/EN 61010-1; CAN/CSA C22.2 61010-1; UL 61010-1

• Electromagnetic Compatibility: IEC/EN 61326-1 Class B, Basic Environments; FCC Part 15 Class A; Canada ICES-003 Class A

• Compliance Marks: CSA

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