Ohaus Pioneer Semi-Micro Balance – Trade Approved

Our Price: £2,877.00 – £3,092.00 + VAT (£3,452.40 - £3,710.40 inc VAT)

Combining Economy And High Performance For Essential Weighing

Description

Affordable, Accurate Precision Weighing for Everyday Laboratory Use

The Ohaus Pioneer PX Precision Balance is engineered for users who need reliable, high-performance weighing without the added cost or certification of Trade Approved models. Designed with core functionality, robust construction, and intuitive operation, this precision balance is ideal for laboratory, industrial, and educational environments where certified weighing is not required.

If you need a Trade Approved version for legal-for-trade applications, view our Pioneer PX Precision Balance – Trade Approved. For ultra-fine measurements at analytical resolution, see the Pioneer PX Analytical Balance – Trade Approved.

Key Features

High precision at an economical price point
Repeatable and accurate weighing for education, R&D, and quality control
Sturdy design: Cast metal lower housing and stainless steel pan for long-term use
Second-line display for live user guidance or contextual information
Static removal bar to prevent interference from electrostatic charge
Connectivity ports (USB & RS-232) included as standard

Application Modes

Basic Weighing
Percent Weighing
Parts Counting
Animal/Dynamic Weighing
Density Determination
Formulation

Whether you’re weighing reagents, components, or formulations, the PX delivers the speed and repeatability required for dependable everyday results.

Smart Laboratory Tools

GLP/GMP compatibility with real-time clock for traceable data capture
USB and RS232 output for connection to PC, printer or LIMS
Password protection prevents tampering with critical settings
Environmental filter settings allow fine control over weighing stability
User-definable IDs for sample or operator tracking

Construction & Operation

Display: Bright backlit LCD with secondary line (dot matrix)
Operation: Mains-powered (AC adapter included)
Build: Cast metal base, removable stainless steel pan, security bracket, under-hook
Software Features: Auto-tare, auto-dim, software lockout, multilingual support, calibration lock

Who Should Use This Balance?

Educational labs teaching precision measurement techniques
Industrial users conducting in-house quality control
Researchers in academic or private laboratories
Cosmetic and chemical formulators
Users not requiring legal-for-trade approval

Compare Your Options

Need legal-for-trade performance? Choose the PX Precision Balance – Trade Approved
Need microgram-level resolution? Choose the PX Analytical Balance – Trade Approved

This standard model offers the same solid platform and design as the Trade Approved variants, without the metrological certification — making it a perfect fit for budget-conscious users who demand reliability without compliance overhead.

Reliable, everyday precision without the premium price tag.
Choose your model and order now for fast UK shipping and proven laboratory-grade performance.

✔ In stock
✔ Ideal for non-trade applications
✔ USB & RS232 included

[Add to Basket] to get started with professional-grade weighing, without compromise.

Downloads

We endeavour to deliver your goods to you as fast as we can. A large percentage of our orders are delivered in 3 - 5 working days (all mainland UK postcodes except IV, AB and KW) but some goods can take longer if they are delivered direct from the manufacturer or if the item is made to order. Please note, IV, AB and KW postcodes and non-mainland UK including Northern Ireland can take longer. Please give us a call if your order is urgent to verify the delivery time or see if a faster delivery is possible (additional costs may apply for larger orders).

The following delivery charges may apply per order:

£12.00 + VAT – Mainland UK
£30.00 + VAT – UK non-mainland

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Frequently Asked Questions

Please see below for answers to frequently asked questions.

Are readability and accuracy the same thing?

No, although they are both useful measures of weighing equipment performance. Readability refers to the smallest increment of weight that scales or balances will display. A readability of 0.5g, for example, means the scale would display an item of 10.503g’s weight as 10.5g and an item of 10.805g as 11.0g.

Accuracy is a measure of the possible difference between the displayed weight and an item’s real weight. It is often displayed as a percentage. An accuracy of +/- 1% means the scale could measure 100g as anywhere between 99g and 101g.

Do I need a calibration certificate?

A calibration certificate proves the accuracy of your weighing equipment. It is very likely that if accuracy matters in your workplace, certification will be required by your industry regulators. They are straightforward to get hold of though. Just ask our team.

Do I need a "Verified For Trade Use" scale?

If you are trading or transacting anything by weight, you will probably need to demonstrate your weighing equipment is verified for trade use. This gives your customers confidence in your business and will make sure buying and selling run smoothly. We can help get you with relevant approvals for your equipment.

How often should I have my scales calibrated?

The answer will vary depending on how your equipment is used. As a minimum, we typically recommend once a year but our team can provide advice based on your individual circumstances.

Which class of test weight should I use?

The International Organization of Legal Metrology (OIML) has established standards for the classification of calibration test weights. Varying from E0 & E1, which are the most accurate to M2 which are commonly used for calibrating platform scales, floor scales and other industrial weighing instruments.

As a rough guide we have listed desired accuracy against class below.

+/- 0.1% – UNclassed Proof Load Test Weights
+/- 0.05% – M3 (Check/calibrate coarse scales)
+/- 0.005% – M1 (Check/calibrate standard scales)
+/- 0.0015% – F2 (Check/calibrate portable balances)
+/- 0.0005% – F1 (Check/calibrate precision balances)
+/- 0.00015% – E2 (Check/calibrate analytical balances)

The choice of weight class depends on the intended use and the level of accuracy required for a particular application. If you’re unsure, talk to our team who can advise you on the right class for your equipment.

How to pack a scale for shipping

If you’re sending a scale back to us for recalibration, it is ideal to use the original packaging. If this is not available choose a sturdy well-padded box to avoid shocks. Where possible, protect the load sensor by removing the weighing pan and any under-pan support and pack these separately in the box. You may be able to use the equipment’s locking pins or screws too.

Do ensure all the paperwork, including your contact details, is included to ensure we can return it once calibration is complete.

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Ohaus Pioneer Semi-Micro Balance – Trade Approved

Description