In the paper and board industry, moisture control plays a critical role in product quality, process stability and customer satisfaction. Paper that contains too much or too little moisture can cause dimensional changes, flatness problems, wave formation, elongation, shrinkage and production difficulties.
The humimeter PMP is designed to help paper manufacturers, paper processors and paper retailers measure the absolute water content of stacked paper and solid cardboard quickly and reliably. With its handheld design, non-destructive measurement method and simple operation, PMP provides a practical solution for routine moisture control in production, storage and quality assurance.
What Is humimeter PMP?
The humimeter PMP is a handheld paper moisture meter used for determining the absolute water content of paper and solid cardboard. It is designed especially for measuring stacked paper, but it can also be used at the stack or at the roll.
The device allows operators to measure moisture directly on the material without cutting, damaging or preparing samples. This makes it suitable for fast checks during production, incoming goods inspection, warehouse control and final product inspection before shipping.
Why Moisture Measurement Matters in Paper and Board
Moisture content directly affects the physical behavior of paper and cardboard. If the moisture level is not controlled properly, the material may expand, shrink, curl or form waves. These problems can create difficulties in printing, converting, packaging and storage.
By measuring moisture regularly, companies can detect moisture streaks early, react quickly to moisture variations and optimize drying costs. The humimeter PMP also helps reduce manufacturing problems caused by elongation and shrinkage.
For paper and board producers, reliable moisture measurement supports more consistent product quality and helps prevent complaints after delivery.
Non-Destructive Measurement Method
One of the main advantages of humimeter PMP is its non-destructive measuring method. The operator does not need to cut samples or damage the stack.
To perform a measurement, the instrument is switched on, the correct calibration curve is selected according to paper density, and the device is pressed onto the material. The illuminated display immediately shows the measuring value.
This simple procedure makes the PMP suitable for fast and repeatable measurements in daily operation.
Designed for Stacked Paper Applications
The humimeter PMP is specifically developed for stacked paper and solid cardboard. It can be used directly on stacks where moisture distribution needs to be checked quickly.
This is especially useful before shipping, during storage or when verifying whether paper has reached the correct moisture condition for further processing.
Because the instrument is portable and easy to handle, it can be used at different points in the production and logistics chain.
Technical Features
The humimeter PMP has a measuring range from 1% to 15% absolute water content, depending on paper type. The measuring depth is 20 mm, making it suitable for surface-near moisture evaluation in stacked paper and cardboard.
The device provides a resolution of 0.1% water content. It includes 20 standard calibration curves, which can be extended according to application requirements.
The paper temperature range is 0 to +50 °C / 32 to 122 °F. Temperature can be displayed in either °C or °F, depending on user preference.
Automatic Temperature Compensation
Temperature can influence moisture measurement results. For this reason, humimeter PMP includes automatic temperature compensation.
This feature helps maintain reliable moisture readings when paper temperature changes due to storage conditions, production processes or environmental differences.
Automatic temperature compensation supports more stable measurement performance and reduces the risk of incorrect moisture evaluation.
Data Memory and Average Value Calculation
The humimeter PMP includes data memory for up to 10,000 measuring values. Operators can also enter additional information such as batch numbers.
For every saved measurement series, the device automatically calculates the average value. This is useful when several measurements are taken across a stack or batch and a representative moisture value is needed.
This function supports quality documentation and helps users compare different batches or storage conditions more easily.
PC Data Transfer and LogMemorizer Software
Measurement values can be transferred to a PC using the optional USB interface. With LogMemorizer® PC software, the data can be archived, exported, processed or printed.
This makes the humimeter PMP more than a simple handheld meter. It can also support structured quality control workflows, traceability and reporting.
For companies that need documented moisture values for internal quality systems or customer records, this data management capability is highly valuable.
Hold and Auto Datalog Functions
The humimeter PMP includes a hold function and an auto datalog function. The hold function allows the operator to retain a measured value on the display, while auto datalog supports efficient recording of multiple measurement values.
These functions improve usability in field and production environments where fast measurements and reliable documentation are required.
Scope of Supply and Optional Accessories
The standard scope of supply includes the humimeter PMP, wooden case with proof plate, rubber protection cover and batteries.
Optional accessories include the humimeter USB data interface module with LogMemorizer measuring data recording and analysis software on a USB flash drive. A portable thermo printer is also available as an option.
The portable printer can be useful for on-site documentation, incoming goods control and customer-related quality checks.
Accredited Testing Background
Schaller’s test laboratory conforms to the requirements of EN ISO/IEC 17025:2007. The laboratory has also been certified for the determination of water content according to EN ISO 287, which covers the oven drying method for paper and board moisture content.
This accredited testing background supports the technical reliability of the humimeter product family and reflects a strong focus on measurement quality, documentation and repeatability.
Application Benefits
The humimeter PMP helps companies optimize maintenance times by detecting possible moisture streaks early. It also helps operators react quickly to moisture variations, avoid manufacturing problems caused by elongation and shrinkage, and check products before shipping.
By supporting drying cost optimization and helping avoid flatness problems due to wave formation, the PMP contributes to better process efficiency and product consistency.
Why Choose humimeter PMP?
The humimeter PMP is a strong choice for companies that need fast, portable and non-destructive moisture measurement for paper and solid cardboard.
Its 20 mm measuring depth, 20 calibration curves, automatic temperature compensation, data memory, average value calculation and optional PC software integration make it suitable for both production control and quality assurance.
For paper manufacturers, paper processors and paper retailers, PMP provides an easy-to-use tool for improving product quality and reducing moisture-related risks.
Conclusion
The humimeter PMP is a handheld moisture meter designed for determining the absolute water content of stacked paper and solid cardboard. It offers quick, accurate and non-destructive measurement with simple handling, illuminated display, automatic temperature compensation and extensive data memory.
With its ability to store up to 10,000 measurements, calculate average values and transfer data to PC via optional USB interface, the PMP supports reliable moisture control from production to shipping.
For companies working with paper and board, humimeter PMP provides a practical and dependable solution for maintaining consistent quality, reducing process issues and documenting moisture values efficiently.