Penn Scale Ohaus® PR322N/E Digital Analytical Precision Balance, Class II, 320 g x 0.01 g, Internal Calibration, Legal for Trade

SKU: PR322N/E
$1,327.36

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The Ohaus® PR322N/E is a Class II digital analytical precision balance with a 320 g capacity and 0.01 g readability. It is specified as legal for trade and NTEP certified.

The balance supports basic weighing, parts counting, and percent weighing, with units including g, mg, ct, dwt, grain, oz., and ozt. It features a glass draftshield with sliding door, removable stainless steel pan, backlit display, and RS-232 connectivity.

  • ExCal calibration with user-selectable calibration points
  • 2-second stabilization time
  • Integrated weigh-below hook and security bracket
  • Stability, overload, and underload indicators

Overall Dimensions:

7.9"W x 12.5"D x 11.9"H

Product Weight:

15.4 lb

Class II legal-for-trade weighing

The PR322N/E is specified as Class II, legal for trade, and NTEP certified.

320 g capacity and 0.01 g readability

The balance provides a 320 g weighing capacity with 0.01 g readability.

ExCal calibration

The model is identified as ExCal and includes user-selectable calibration points.

Three weighing applications

Applications include basic weighing, parts counting, and percent weighing.

Multiple weighing units

Supported units are g, mg, ct, dwt, grain, oz., and ozt.

Glass draftshield and stainless steel pan

The balance has a glass draftshield with sliding door and a removable stainless steel pan.

RS-232 connectivity

An RS-232 port supports connection for communication and data transfer.

Display and weighing indicators

The balance includes a backlit display plus stability, overload, and underload indicators.

Capacity 320 g
Readability 0.01 g
Verification Scale Interval 0.01 g
Class II
Legal for Trade Yes
Repeatability (STDEV) 0.001 g
Linearity ±0.002 g
Stabilization Time 2 seconds
Calibration Type ExCal
Calibration Points User-selectable
Applications Basic weighing; parts counting; percent weighing
Weighing Units g, mg, ct, dwt, grain, oz., ozt
Pan Diameter 4.72 in. / 120 mm
Pan Material Stainless steel
Draftshield Size 6.8 × 5.1 × 8.1 in. / 172 × 131 × 205 mm
Draftshield Glass with sliding door
Top Housing Material ABS
Display Backlit
Port RS-232
Indicators Stability; overload; underload
Integrated Weigh-Below Hook Yes
Security Bracket Yes
Overall Dimensions 7.9 in. W × 12.5 in. D × 11.9 in. H
Net Weight 10 lb
Weight 15.4 lb
Power Requirements 100–240 V; 50/60 Hz; 1 ph; 12–18 VA

Frequently Asked Questions

The balance has a 320 g capacity and 0.01 g readability.
Yes. It is specified as Class II, legal for trade, and NTEP certified.
It supports basic weighing, parts counting, and percent weighing.
Available units are g, mg, ct, dwt, grain, oz., and ozt.
Yes. It includes a glass draftshield with a sliding door and a removable stainless steel pan.
The balance has an RS-232 port.
The model is identified as ExCal and has user-selectable calibration points.
The overall dimensions are 7.9 in. W × 12.5 in. D × 11.9 in. H.

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