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Precision Moisture Analysers for Laboratory & Industrial Use

Accurate moisture analysers for laboratory, production and quality control environments. Our range includes halogen and infrared models from Kern, Ohaus and Adam Equipment, with readabilities from 0.001g and capacities up to 200g. Every unit ships with a calibration certificate as standard.

Whether you are testing raw materials in a food production line, running batch checks in a pharmaceutical lab, or monitoring polymer granulate in a plastics plant, the right moisture analyser removes guesswork and gives you repeatable results you can document and defend.


Why Moisture Content Matters in Quality Control

Moisture content directly affects product weight, shelf life, texture, and chemical stability. Too much moisture in a pharmaceutical powder can alter drug potency. Too little in a food product can change taste and mouthfeel. In chemical processing, even small deviations in moisture percentage can throw off formulations and create waste.

A moisture analyser measures this precisely using the thermogravimetric principle. The sample is weighed, heated until all moisture evaporates, and weighed again. The difference gives you the moisture percentage. The entire process typically takes between 5 and 15 minutes depending on the sample and heating method.


Halogen and Infrared Heating Options

The two main heating technologies in our range are halogen and infrared. Halogen moisture analysers heat faster and distribute energy more evenly across the sample surface, making them the preferred choice for most applications. Infrared models are typically more affordable and suit less time-sensitive testing.

Not sure which method fits your workflow? Read our guide to halogen vs infrared moisture analysers for a full comparison of speed, accuracy and sample suitability.


Specifications That Matter

Readability determines the smallest change in moisture content the analyser can detect. Our range starts at 0.001g for precision laboratory work and goes up to 0.1% for routine production checks.

Capacity sets the maximum sample weight. Most of our models handle between 50g and 200g, which covers the vast majority of industrial and laboratory sample sizes.

Temperature range affects what materials you can test. Models with a range up to 230°C handle higher-boiling-point solvents and tougher sample matrices. Standard models operating to 160°C cover most food, pharmaceutical and chemical applications.

Data connectivity matters in regulated environments. Look for USB or RS-232 output if you need to connect to a LIMS system or produce GLP-compliant printouts for audit trails.


Brands We Supply

We stock moisture analysers from three trusted manufacturers. Kern offers the DAB and DLB series with multi-language interfaces and up to 15 memory programmes. Ohaus covers the broadest range with models from the entry-level MB23 through to the MB120 with SmartGuide technology. Adam Equipment provides the PMB series with dual USB ports and intuitive operation.

All electrical instruments are supplied with calibration certificates, and our in-house team can advise on the right specification for your application. We also supply laboratory balances and analytical balances if your lab needs broader weighing capability alongside moisture analysis.

Frequently Asked Questions

What is a moisture analyser and how does it work?

A moisture analyser measures the moisture content of a sample using the thermogravimetric (loss on drying) method. The instrument weighs the sample, heats it using a halogen or infrared element to drive off moisture, then weighs it again. The weight difference is expressed as a percentage of the original sample weight, giving you an accurate moisture reading in minutes.

What industries use moisture analysers?

Moisture analysers are used across food and beverage production, pharmaceuticals, chemical manufacturing, plastics, textiles, paper, agriculture, and construction materials testing. Any industry where moisture content affects product quality, shelf life, weight accuracy, or regulatory compliance benefits from routine moisture analysis.

What is the difference between halogen and infrared moisture analysers?

Halogen moisture analysers use a halogen lamp that heats quickly and distributes energy evenly, delivering faster test times and more consistent results across different sample types. Infrared models use an infrared element that heats more slowly but costs less upfront. For most production and laboratory environments, halogen is the preferred choice.

Do your moisture analysers come with calibration?

Yes. Every electrical instrument we supply ships with a calibration certificate as standard. For ongoing compliance, we also offer re-calibration services with fast turnaround times through our in-house calibration facility. GNW Instrumentation is ISO 9001:2015 registered.