Precision Weighing Balances
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We have NO remaining stock on the Ohaus PA4101 and Ohaus discontinued production in February 2015. The replacement model is the Ohaus Pioneer Plus PA4201 and you can purchase here. All information displayed herein is for archival and support purposes only. The information on this web page is for reference only since again we have no remaining stock on the Ohaus PA4101.

Ohaus Pioneer PA4101 digital scale weighs up to 4100 grams and increments in 0.1 gram divisions. That is weighing sensitivity to a tenth of a gram. Ohaus Pioneer digital scale is ideal for basic weighing applications, but also features percent weighing and parts counting modes. Ohaus Pioneer scales only offers external calibration, so if you prefer internal calibration, you should look at one of our other balances. Motorized internal calibration drives up the price of digital balances substantially. We encourage people to buy balances without internal calibration not only because they are more affordable, but because external calibration is the only way to truly calibrate a balance.

Ohaus Pioneer series has lab balances for all sorts of weighing applications. Whether you need a readability of 0.1 g, 0.01 g, 0.001 g or 0.0001 g, there is a Pioneer balance model for your weighing application. Pioneer electronic scales were designed to offer a quality laboratory balance at an affordable price. Review all of the Ohaus Pioneer digital lab balances HERE.

Standard Features Include:

  • Up front Level Indicator – Pioneer has been designed with an up-front level indicator, so that users can quickly ensure the balance is level prior to use
  • Selectable Environmental Settings – Three filter modes and adjustable zero tracking adjust balance sensitivity to environmental disturbances, or application requirements
When the Ohaus PA4101 digital scale is first installed, or is moved to another location, the electronic balance must be calibrated to ensure accurate weighing results. The Ohaus PA4101 requires the purchase of a optional external 2 kilogram calibration weight to perform calibration. We always recommend that you purchase the calibration weight when you purchase the balance. You can learn more about calibration weights, class weights and the tolerances at

Is the Ohaus PA4101 too expensive for your budget? We also offer the A&D EJ4100 (4100g x 0.1g) or EK4100i priced substantially less than the Ohaus PA4101 digital scale.

Looking for a balance that comes standard with a USB interface? Be sure to see the new Sartorius Practum 5101-1S or Quintix 5101-1S precision balance. These Sartorius models feature a touch screen user interface for easy balance configuration.

US government customers call us saying the must comply with the Buy American Act clause the only similar balances we offer to the PA313 that are made in America would be the Scientech SG5000. FAR Part 25.003 requirements state that domestic end products are preferred over foreign end products, and the Ohaus Adventurer is not made in the USA.

We understand purchasing an precision balance is a major capital expense and if you have any questions give us a call and one of our weighing experts can discuss your weighing application and get you the most affordable balance for your weighing needs.

Ohaus PA4101 Electronic Balance

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Brand Model Capacity Readability
Ohaus PA4101 Electronic Balance 4100 g 0.1 g
Add. Features
  • Carats
  • Grains
  • Milligrams
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Newtons
  • Parts Counting
  • RS-232c
Comparable Scales

A&D Weighing digital scale EJ4100 - $345.00

Ohaus AutoCal Scale AX4201 - $1346.40

Other Brands EPB-6K precision scale - $241.95

Mettler Toledo JL6001-GE Class II Approved Scale - $599.00

Ohaus Scout SPX6201 Digital Scale - $592.20

Sartorius ENTRIS2201-1S Balance - $735.25

Sartorius ENTRIS5201-1S Digital Balance - $856.75

Mettler Toledo JS8001G/A Silver Scale - $2025.00

Sartorius Practum 5101-1S Scale - $1006.40

Ohaus EX6201 electronic scale - $2779.50

My Weigh i5500 Electronic Scale - $209.99

A&D Weighing EK4100i digital scale - $500.25

Other Brands EPB-10001L Digital Scale - $390.95

A&D Weighing GF6000 Toploading Balance - $1425.00

Sartorius Quintix 5101-1S digital scale - $1538.50

Ohaus Pioneer PA4201 Tenth of a Gram Scale - $902.70
MSRP: $923.00
YOU PAY $784.55
Untitled Document
Ohaus Pioneer Toploader
Ohaus Pioneer PA4101 Digital Precision Balance
Before you make your final selection be sure to see the new Sartorius ENTRIS5201-1S since we have special promotional pricing on the Entris5201-1S allowing you to have an additional 1000 grams weighing capacity for almost the same price as the PA4101. If you need greater weighing capacity be sure to review the Sartorius ENTRIS8201-1S

Ohaus Pioneer Series - Affordable Laboratory Balances
Download the User Manual to understand all the functions & features

(select the model & any of the options and then the"BUY HERE" image)

   External Mass Weights Calibration Kit Calibration Mass Calibration Weights

Optional Calibration weight and weight sets

2 kg Calibration Weight Class 1 with NVLAP (± 5 mg) $287.00
2 kg Calibration Weight Class 2 with NVLAP (± 10 mg) $304.00
2 kg ASTM Class 2 (± 10 mg) with NO Cert $149.00
9 pc. Weight Set (100 g - 1 g) Class 1 with NVLAP $1095.00
5 pc. Weight Set (1 kg - 100 g) Class 1 with NVLAP $859.00
Cal-Paks 2kg, 200g, 2g Class 1 with NVLAP $910.00
Cal-Paks 2kg, 200g, 20g Class 1 with NVLAP $1113.00
The Best Balance For Basic Weighing!

The OHAUS PioneerTM milligram balance was designed for basic routine weighing in a variety of laboratory, industrial and education applications.  With the right combination of performance and features, the OHAUS Pioneer offers uncomplicated performance for all your basic weighing needs.

Standard Features Include:
  • Upfront Level Indicator – Pioneer has been designed with an up-front level indicator, so that users can quickly ensure the balance is level prior to use
  • Selectable Environmental Settings – Three filter modes and adjustable zero tracking adjust balance sensitivity to environmental disturbances, or application requirements
Upfront Level Indicator Ensures Accuracy
The Pioneer has been designed with an up-front level indicator, eliminating the need to look behind the balance during the leveling process. A quick glance at the up-front level indicator helps you ensure that the balance is level prior to each use.

Selectable Environmental Settings For Working in Practically Any Condition
To help adapt the balance to real life working conditions, Pioneer is designed with selectable environmental settings. When working in harsh environments, the balance can be adjusted to compensate for vibrations and other disturbances. Conversely, the balance can be adjusted for working in slow filling applications where sensitivity is a must.

Model Cap x Read Pan Size Linearity Your Price

Before you make your final decision be sure to see the New Sartorius Entris5201-1S or Entris8201-1S precision balances. The Entris is made in Germany and production will soon be moved to Sartorius' manufacturing facility in Colorado. Watch the video above and see the superior eccentric loading characteristics of the Sartorius Entris Balances. Watch as a calibration weight is placed in the center and 4 quadrants on the platform and how the Sartorius Entris measures the weight accurately. Not all digital balances perform like this and if you own a laboratory balance you should test your balance by placing a weight in the center of the platform and then in the outer 4 corners and see how accurate your weighing instrument is performing. Nobody has more experience building balances than Sartorius.
Sartorius begin building balances in 1871 and holds the Guinness Book of World Record for the most accurate balance in the world.
The A&D EJ4100 and A&D EJ6100 are amazing digital scales that will cost you a lot less money. Plus the EJ is powered by either battery or AC Adapter while the Ohaus PA4101 is only AC powered. Therefore you are always limited to an AC power receptacle verses the AND Weighing EJ Series is completely portable and ideal for field use. Also the EJ is backed with a 5 years warranty while the Ohaus PA4101 is only 2 years. Longer warranty, totally portable, less money have people flocking to the EJ4100.
If price is the #1 factor the MyWeigh i5500 is a low cost digital scale you must review.
Copyright © 2017 Precision Weighing Balances, All Rights Reserved. This site is owned and operated by Precision Weighing Balances and is not sponsored or affiliated with Ohaus. Ohaus® is a registered trademark of Ohaus Corporation. For warranty, parts and technical related issues please call Ohaus directly at 973-377-9000.


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