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Moisture in Paper Webs
Thickness of Pressure Sensitive Adhesives
Thickness of Water Based Adhesives
Wax Coatings
Moisture in Recycled Papers
Thickness of Hot Melt Coatings
Moisture in Corrugate Board
Biax Film
Board Coating
Cast Film
Composite Board
Conversion Coatings on Steel/Aluminum
Flexible Packaging
PVB & EVA Film
Coated Abrasives
Battery Paste
Extrusion Coatings on Paper/Foil
Powder Coatings

Why Measure?
ROI is rapid with Users quickly benefiting from a more controlled process with fewer line stoppages, less wastage, highly consistent product, increased yield and lower fuel costs.



The cast aluminium
MCT 360 is built to withstand adverse environmental conditions and will perform reliably under ambient temperatures of up to 50 °C, if the ambient temperature exceeds 50°C but remains below 65°C, an MCT 330HD is to be recommended..this requires no additional cooling supplies and is spray proof.

If information is required from different locations cross web, for example to check the correct functioning of individual dies, Process Sensors offers a low cost manual scanner which enables the gauge to be “parked” at any position cross web or an automated scanner with an optional Profile Display System, PVDS.


Installations at high temperature locations may well require a vortex cooler and cooling panel. Product loss sensors are required for measurement on discontinuous product, e.g. egg cartons.

Gauge outputs, Operator Interface & Display
The MCT 360 is available with or without a local operator interface or display as all the processing is carried out within the sensor head and the measurement is output via 4-20mA, 0-10V, RS232, RS485 or any bus. Installation time and effort is minimised by dispensing with a local OI, but should samples be collected for cross checks an OI is useful… in this event, one could be simply plugged into the gauge at the sampling location.

The Measurement
Measurement of glossy or wet surfaces requires the gauge to be angled approximately 17° to the product to eliminate spectral interference (reflections) from top surface. A passive reflector, e.g. a glazed white tile or a Teflon Strip is required to maximize the detector signal in the event a gauge is viewing transparent or semi-transparent (scattering) material.

Moisture , coat weight, and product temperature can be measured using NIR. Please note that thickness measurements, other than those of a transparent monolayer film are not feasible.

Moisture is measured at various stages throughout the paper making and converting process, also in corrugated paper and egg cartons. Various coating materials applied to either a paper, textile or plastic film substrate can be measured at either the wet end ( immediately after the applicator) or at the dry end. The MCT 360 measures both moisture and coat weight. If a coat weight measurement is required this can be performed either at the wet end (immediately after it has been applied) or at the dry end, after it has gone through a dryer, over a chill roller or through a curing process. The choice of dry or wet end measurement is dependent upon several factors:

• Whether the dry coating material absorbs in the NIR or not.
• Best location for process control
• Simplest Installation location
• Measurement location that provides the lowest measurement error. Note that NIR is generally more sensitive to changes in moisture than organic (C-H) content, hence, even if the solids ratio is higher than 50%, a wet end aqueous measurement may still be the best choice.

Product temperature can be measured at any stage of a process.

Gauges are delivered pre-calibrated using customer samples when possible. Wet end measurements cannot be reliably pre-calibrated so must be set up once installed. PSC offers on-site commissioning and/or training.

For more detailed information regarding paper applications, please fill out the following form.  
MCT460   MCT460-WP   MCT460-T   MCT466HD   MCT466SF   MCT466QC   GUARDIAN  
Moisture Transmitter
Tobacco Moisture Transmitter
Wood Products Moisture Transmitter
MCT466 QuikCheck
Rugged NIR Tester
Scanning Frame System
Process Sensors Corp.
113 Cedar Street
Milford, MA 01757 USA
Tel: (508) 473-9901
Fax: (508) 473-0715
Process Sensors Europe
Unit 4, Adelaide House
Corbygate Business Park
Corby, Northants NN17 5JG
United Kingdom
Tel: 01536-408066
Fax: 01536-407813
Process Sensors Polska
Ul. Modlinska 310/312 lokal 216
03-152 Warszawa
Tel: (48) 22 6739526
Fax: (48) 22 6739527
Gsm: (48) 509 202759
Process Sensors Asia
PT 3852 Taman Binaraya 3
Off Jalan Pasir Puteh
Limbat, 16150 Kota Bharu Kelantan, Malaysia
Tel: 00-609-765-1352
Fax: 011 60 6601 4588
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  Process Sensors Moisture Transmitters

MCT 460: Used in a wide variety of industrial processes, the MCT 460 Multi-Constituent NIR Transmitter, a True Stand-Alone Transmitter, provides off-line accuracy under on-line operating conditions. Read more about the MCT 460 moisture sensors...

MCT 460-T: The MCT 460-T measures moisture... the most critical variable in tobacco processing... providing the world's most accurate, reliable and stable moisture measurement for the tobacco industry. Read more about the MCT 460-T moisture measurement tool...

MCT 460-WP: The MCT 460-WP uses a well proven algorithm which works on a wide range of wood varieties and forms. You choose the mode of operation, stand-alone or networked. Read more about the MCT 460-WP moisture measurement tool...

MCT 466HD: The MCT466HD features a heavy duty stainless steel enclosure, is resistant to high temperatures, is sealed for wash down environments, and provides reliable, continuous moisture measurement. Read more about the MCT466HD moisture measurement tool...

MCT 466-SF: The MCT 466-SF features a food grade optical window, a robust stainless steel enclosure, and reliably operates in high temperature locations, measuring moisture, oil & product temperatures. Read more about the MCT 466-SF moisture measurement tool...

MCT 466 QuikCheck: Used for quality control in a wide variety of industrial processes, the MCT 466 QuikCheck bench top NIR Tester provides fast accurate results every time. Read more about the MCT 466 QuikCheck moisture analyzer...

GUARDIAN: The Guardian Scanning Frame System is comprised of three components: MCT-460 NIR Transmitter, the automated Scanning Frame and a PC with Automated Guardian Profile Software. Read more about the GUARDIAN Scanning Frame System...