NEW! – Ohaus Explorer Analytical Balance – Trade Approved

Our Price: £3,652.00 – £5,339.00 + VAT (£4,382.40 - £6,406.80 inc VAT)

The OHAUS Explorer® Series Has Risen To The Next Level Of Ingenuity

Description

OHAUS Explorer & Explorer Plus Trade Approved Analytical Balances Down to 0.1mg Readability

The OHAUS Explorer Analytical Balance 2025 model is at the top ed of high-performance laboratory weighing, it has down to 0.1 mg readability across two lines. Built for precision and efficiency, these balances are designed to make critical weighing tasks reliable, repeatable, faster, simpler, and fully traceable.

The core Explorer (EXR) is engineered for fast, reliable daily precision in general research, education, or quality control labs. The flagship Explorer Plus (EXP) takes performance to the next level, delivering state-of-the-art automation, advanced compliance tools, and superior environmental control perfect for regulated environments like pharma and biotech.

Feature Comparison: Explorer vs. Explorer Plus

Choosing the right OHAUS Analytical Balance hinges on your operational needs. The Explorer Plus (EXP) provides advanced automation and compliance features crucial for highly regulated industries.

Feature	Explorer (EXR) – Core Analytical Balance	Explorer Plus (EXP) – Pro Analytical Balance
Best For	General R&D, Education, Daily QA/QC	Regulated Labs (Pharma/Biotech), Advanced R&D
Levelling System	Digital Levelling (Manual adjustment with on-screen guidance)	Motorized Levelling System (No messing around adjusting feet)
Draftshield	Standard, manual doors	Automatic Doors with anti-pinch protection
Static Control	Not included	Standard Built-in Ionizer (Neutralizes static on samples/vessels)
Compliance/Data	Simplified data management	4-Level User Access, 100k Internal System Log, NTP Time Sync for Data Traceability. Fingerprint scanner optional accessory.
Advanced Apps	All Core Weighing Modes	Adds SQC, Pipette Adjustment, Fill Variation

Comprehensive Applications & Functionality

Both the EXR and EXP models are versatile precision balances, supporting a wide range of laboratory tasks with built-in application modes:

Core Modes (All Models): Basic Weighing, Parts Counting, Check Weighing, Percent Weighing, Dynamic Weighing, Totalization, Formulation, Differential Weighing, Density Determination, and Peak Hold.
Explorer Plus (EXP) Exclusive: Advanced SQC (Statistical Quality Control), Pipette Adjustment, Fill Weight Variation, and Flow Rate Control.

Key Benefits Driving Laboratory Efficiency

Whichever model you select, the Explorer series is built to maximize lab efficiency and data integrity:

Performance: Every balance has fully automatic AutoCal™ internal calibration to avoid calibration drift and fast 2-second stabilization time to boost efficiency.
Intuitive user Interface: The durable, chemical-resistant 7-inch TFT colour glass touchscreen provides a clear and familiar user experience.
Contamination Control: Touchless Sensors provide hands-free operation (tare, zero, print) on the terminal, minimizing cross-contamination risks and reducing device wear-and-tear.
Seamless Connectivity: Conveniently placed communication options, including USB, Ethernet, and RS232, support easy LIMS integration and reliable, two-way data transfer.

Note on Trade Approved (M) Models

For commercial transactions requiring verified weights, OHAUS offers the Explorer ‘M’ certified models (e.g., EXR…M and EXP…M). These specialized balances are verified to meet or exceed UK/EU weights and measures regulations, providing Legal-for-Trade Compliance for businesses ranging from jewellery to industrial packaging.

Please download the datasheet for full product specifications on the Explorer (EXR) and Explorer Plus (EXP Pro) Analytical Balances.

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.