STH 302 Series

Duct / Remote Mount High-Temperature
‘T+RH’ Transmitters

Ranges: -40 to 100°C, 0 to 100 %RH
4-20 mA / 0-10 V Output Options
Polycarbonate & SS Housing Versions

Product description

Features

  • High Precision, Long Term Stability & Good Anti-Interference
  • Compact Size, Simple Installation
  • Available in 2 Probe Material Versions
  • Polycarbonate (PC) Probe with Polymer Filter
  • SS Probe with SS Sintered Filter (Duct Mount Only)
  • Wide Working Temperature Range : -40 to 100 °C
  • Current (4-20 mA) & Voltage (0-10 VDC) Output Versions
  • Reverse Polarity Protected Current Outputs
  • Over-Voltage & Reverse Polarity Protected Power Supply
  • Wide Supply Voltage Range : 20 to 35 VDC
  • High Protection Grade of IP65

Applications

Industrial & Harsh Environment Applications

  • Cold Storage Rooms or Deep Freezers (Down to -40 °C)
  • Heat Treatment or Curing Chambers (Up to 100 °C)
  • Pharmaceutical Drying Ovens and Incubators
  • Sterilization Tunnels (Moderate Heat + Humidity Monitoring)
  • Boiler Rooms or Attic Enclosures in Hot Climates

Transportation & Storage

  • Refrigerated Vehicle Interiors
  • Controlled Logistics (e.g., Vaccine or Chemical Transport)

Agricultural & Environmental Monitoring

  • Greenhouses with Heating Systems or Desert-based Cultivation
  • Composting Operations Where Internal Pile Temps Rise above 60–70 °C
  • Weather Stations in Arid or Freezing Geographies

Downloads

Product Catalogue

Operator Manual