Relative humidity and temperature probe 907037 series

absolutewall-mountdew-point

Overview
This intrinsically safe measuring probe is designed for accurate humidity, temperature and derived-variable monitoring in potentially explosive industrial environments. The modular concept with intelligent interchangeable probes enables adaptation to varied process conditions and room sizes.

Highlights

• Intelligent interchangeable probes for quick field replacement
• Modular probe concept with multiple process connections
• Corrosion‑resistant materials and IP66 housing
• Housing with LCD display and operator panel

Technical data (excerpt)
Probes/variants: 907037/1 (wall mounting), 907037/3 (small rooms), 907037/4 (pressurized rooms), 907037/5 (high temperatures), 907037/7 (high humidity), 907037/8 (pressurized rooms). Measuring range: RH 0–100 % RH; Temperature -70 to +180 °C (type dependent). Derived parameters: dew point, wet‑bulb temperature, absolute humidity, mixing ratio, water concentration, mass fraction, water vapour pressure, enthalpy. Outputs: 4–20 mA (optionally 2 channels). Measuring media: air, compressed air, vacuum. Cable lengths: 2 m, 5 m, 10 m. Power supply: DC 24 V (via Ex i supply isolator or Zener barrier). Approvals: ATEX, IECEx. Sensing element: capacitive (condensation‑resistant, fast response). Protection class: IP66 (NEMA4X).

Applications

• Pharmaceutical industry
• Petrochemical industry
• Food technology and processing

Specifications

• Product family / series: 907037
• Intended for: humidity, temperature and derived variables
• Probe variants: 907037/1, /3, /4, /5, /7, /8
• Measuring ranges: RH 0–100 %; T -70…+180 °C (type dependent)
• Outputs: 4–20 mA (optionally 2 channels)
• Measuring media: air, compressed air, vacuum
• Housing/display: LCD display with operator panel
• Cable/process connections: various process connections; cable lengths 2 m, 5 m, 10 m
• Power supply: DC 24 V (via Ex i isolator or Zener barrier)
• Approvals: ATEX, IECEx
• Sensing element: capacitive, condensation‑resistant, fast response
• Protection class: IP66 (NEMA4X)