Pharmaceutical Drying Machinery

Accuracy and Stability for Pharmaceutical Drying Processes

In pharmaceutical, food and chemical manufacturing, drying processes drive product quality, process efficiency and energy use. Whether in fluid-bed, spray or tray dryers, continuous monitoring of humidity, temperature and differential pressure is essential to maintain consistent product moisture and process parameters while preventing over- or under-drying. E+E Elektronik provides sensor solutions engineered for reliable operation in industrial drying systems. This robust portfolio covers humidity, temperature, air velocity and differential pressure sensors. It incorporates protective coatings, pressure- and heat-resistant probes, and ATEX-certified safety to ensure durability, accuracy and energy-efficient control in every drying stage.

  • Selected models operate safely up to 180 °C (356 °F) and, where applicable, comply with ATEX up to Zone 0 (gas) and Zone 20 (dust)
  • Stainless-steel housings (1.4404 / AISI 316L), protective coatings and advanced protection technologies ensure long-term stability
  • Exchangeable probes and USB-C configuration simplify maintenance and calibration
  • DIN EN ISO/IEC 17025-accredited calibration and ATEX certification support compliance and operational reliability

Advantages of Pharmaceutical Drying Machinery with E+E Sensors

Accurate humidity and temperature monitoring is key to energy efficiency and product quality. E+E sensors measure relative humidity and compute psychrometric values such as mixing ratio (g/kg) and absolute humidity (g/m³)—crucial parameters for shaping and controlling drying curves. Real-time data from EE310 or HTS801 enables operators to fine-tune air supply, minimise drying time, and avoid energy waste. Fast sensor response supports dynamic process adjustments, delivering uniform product moisture and reproducible batch results.

Drying systems expose sensors to intense heat, fine dust, cleaning agents and solvents, a combination that quickly degrades standard instruments. E+E Elektronik sensors are purpose-built for these challenges. High-grade stainless-steel housings and probe materials (1.4404 / AISI 316L) resist corrosion and mechanical stress, while pressure-resistant probes withstand turbulence and pressure fluctuations typical of drying chambers operating under high- or low-pressure conditions. The sensing elements feature a protective coating that reduces particle adhesion and residue build-up, helping to maintain consistent measurement performance over time. In addition the Automatic ReCovery function helps restore sensor functionality after exposure to solvent vapours or cleaning chemicals by regenerating the active layer during defined recovery phases. Together, these protective measures provide long-term measurement stability and reliability, even after thousands of drying and cleaning cycles. This stability keeps airflow, humidity and temperature data accurate for consistent process control and reduced service downtime.

Frequent cleaning or qualification cycles demand service-friendly instrumentation. E+E sensors feature a proprietary RapidX exchangeable probe design. Devices are accessed via USB-C and the Sigma 05 digital platform for convenient on-site configuration and calibration. Field verification is supported with the Omniport 40 portable reference meter, with ISO/IEC 17025-accredited certificates available for traceable results. On differential-pressure versions, auto-zero functionality compensates for zero drift between service intervals. These features reduce maintenance time, minimise the need for sensor replacement, and help preserve validated measurement integrity while reducing requalification effort.

Products for Pharmaceutical Drying Machinery

HTS801 humidity and temperature sensor

HTS801

Humidity and Temperature Sensor for High Humidity and Chemically Polluted Conditions

  • -80 °C to 180 °C (-112 °F to 356 °F)
  • 300 bar (4 350 psi)
  • RS485 (Modbus RTU)
  • E+E proprietary coating
  • IP65 / NEMA 4
  • polycarbonate or stainless-steel enclosure
  • several probe and cable lengths available
  • for chemical contamination
  • for continuous high humidity conditions
EE300Ex Humidity transmitter for intrinsically safe applications

EE300Ex

Humidity and Temperature Sensor for Intrinsically Safe Applications

  • -40 to +180 °C (-40 to +356 °F)
  • 2-wire 4–20 mA
  • intrinsically safe (ATEX / IECEx / FM / NEPSI / KCs)
  • E+E proprietary coating
  • Pressure tight up to 20 bar (300 psi)
  • IP65 / NEMA 4
  • for explosive gas and dust atmospheres
  • Stainless steel enclosure and probe
High-End Humidity and Temperature  Sensor for Industrial Applications

EE310

High-End Humidity and Temperature Sensor for Industrial Applications

  • 0–100 % RH
  • −40 to +180 °C (−40 to +356 °F)
  • 0.01–20 bar (0.15 to 290 psi)
  • RS485 (Modbus RTU)
  • accuracy ±0.95% RH
  • for clean rooms
  • for pharmaceutical industry
  • industrial process monitoring
HTP501 - Digital Humidity and Temperature Probe

HTP501

Digital Humidity and Temperature Probe up to 120 °C (248 °F)

  • 0–100 % RH
  • −40 to +120 °C (−40 to +248 °F)
  • E+E proprietary coating
  • stainless-steel enclosure
  • Modbus RTU
  • M12 connector
Sigma 05 - Modular Sensor Platform

Sigma 05

Modular Sensor Platform

  • up to 3 sensing probes
  • up to 5 measurands
  • polycarbonate or metal enclosure
  • IP65 / NEMA 4X

Questions about Pharmaceutical Drying Machinery?

Tell us about your application – we’ll recommend a suitable sensor or calibration solution tailored to your needs.

Matthew Nemeth | Managing Director E+E Elektronik Corporation USA
Matthew Nemeth | Managing Director E+E Elektronik Corporation USA
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