NEW! – Ohaus Explorer Semi-Micro Balance

Our Price: £4,410.00 – £7,891.00 + VAT (£5,292.00 - £9,469.20 inc VAT)

Built For Sophisticated, Professional Weighing

Description

OHAUS Explorer Plus™ Semi-Micro: The Gold Standard for Sub-Milligram Accuracy and Traceability (0.01 mg)

The OHAUS Explorer Plus Semi-Micro Balance (EXP series) is engineered for demanding scientific research where precision down to 0.01 mg is non-negotiable. This flagship instrument is built for pharmaceutical R&D, high-level material analysis, and any application requiring extreme accuracy and comprehensive data traceability. It integrates cutting-edge automation, including a built-in Ionizer and Motorized Leveling, to eliminate environmental errors and guarantee reliable results.

Semi-Micro Performance Breakdown

The Explorer Plus Semi-Micro series standardizes on premium features to optimize the user experience and ensure compliance:

Feature	OHAUS Explorer Plus™ (EXP) Standard	Performance Benefit
Setup Automation	Motorized Levelling System	Eliminates manual setup errors and ensures optimal weighing conditions.
Static Neutralization	Built-in Ionizer (Standard)	Rapidly removes static from samples and glassware, improving stabilization time (≤5 seconds for 0.01 mg).
Compliance Support	4-Level User System and NTP Time Sync	Provides advanced security and chronological data recording for audit-readiness.
Contamination Control	Touchless Sensors and Automatic Draftshield Doors	Enables hands-free operation and protects the chamber from environmental factors.
User Interface	7-inch Glass Touchscreen and Detachable Terminal	Offers chemical resistance, superior readability, and workflow flexibility.

Advanced Applications for Scientific Excellence

The EXP Semi-Micro line supports a full spectrum of laboratory tasks, powered by an advanced software suite:

Core Modes: Basic Weighing, Density Determination, Formulation, Peak Hold, and Totalization.
Specialized Modes: Pipette Adjustment, Statistical Quality Control (SQC), Fill Weight Variation, and Flow Rate Control.

Effortless system integration via USB, Ethernet, and RS232 ensures data is easily transferred to LIMS or PC systems.

Please download the datasheet for full product specifications on the Explorer Plus Semi-Micro 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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Key Accessories

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30093334 - Ohaus Dust Cover For EX/AX Models

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80253384 - Ohaus Density Determination Kit For PX/AX/EX/PR

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83033633 - Ohaus In-use Cover For EX/EX HC Models

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12120799 - Ohaus Paper for SF40A - 2 Rolls

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30252145 - Ohaus Pipette Adjustment Kit For EX Semi-Micro Models

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83021082 - Ohaus Ethernet Interface For EX Models

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Ohaus Balances Accessories - 30304102 Interface Kit, RS232-Ethernet For Defender Series

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80500552 - Ohaus RS-232 Cable for Defender 3000 / 5000 / 6000 Scales

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83021085 - Ohaus Impact Printer SF-110B USB Interface Cable

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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.