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ESU403.2 Thermohygrometer

ESU403.2 LSI-Lastem

Precision thermohygrometers for simultaneous temperature and humidity monitoring in critical environments. Engineered with industrial-grade sensors for ±0.1°C temperature accuracy and ±1.5% RH humidity resolution. IP65-rated housing ensures reliability in harsh conditions. Ideal for HVAC optimization, pharmaceutical cleanrooms, museum preservation, agricultural greenhouses, and data center climate control.

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Advanced Environmental Monitoring Technology

LSI Lastem thermohygrometers integrate laboratory-grade Pt100 temperature sensors and capacitive polymer humidity elements in rugged, field-ready enclosures. Designed for permanent installation in mission-critical applications where precise climate control is essential. The thermally isolated sensors eliminate measurement drift, while proprietary algorithms compensate for environmental variables like barometric pressure fluctuations.

Industry-Specific Deployment Solutions

Pharmaceutical manufacturing: Validate GMP compliance in sterile processing areas. Cultural heritage: Prevent humidity damage to artifacts in museum display cases. Precision agriculture: Optimize greenhouse microclimates for maximum crop yield. Data centers: Protect server infrastructure from condensation risks. Building management: Balance occupant comfort with energy efficiency in smart HVAC systems.

Engineering Advantages

  • Active temperature compensation ensures humidity accuracy across full range
  • Configurable anti-condensation heating for tropical environments
  • Dual-channel verification for critical process monitoring
  • NIST-traceable calibration with documented certificates

Optimal Installation Protocol

Mount sensors at breathing height (1.5m) away from direct airflow and heat sources. Allow 24-hour stabilization before commissioning. In outdoor applications, use radiation shields and position north-facing. Perform zero-point checks quarterly using saturated salt solutions. Replace sensor filters annually in high-particulate environments.

Parameter Specification
Temperature Range -40°C to +120°C
Temperature Accuracy ±0.1°C (0-70°C)
Humidity Range 0-100% RH
Humidity Accuracy ±1.5% RH (10-90% RH)
Long-term Stability <0.5% RH/year
Response Time (τ63%) 4s (T), 8s (RH)
Enclosure Protection IP65 (NEMA 4X equivalent)
Communication Protocols Modbus RTU, SDI-12, 0-10V, 4-20mA
Brand LSI-Lastem