Vaisala

HMP155

HUMICAP® humidity and temperature probe for harsh environments

HMP155

A humidity and temperature probe engineered for extreme conditions — tropical, coastal and marine climates, and environments with changing temperatures near saturation. HUMICAP® R2 capacitive sensor and Pt100 element, with an IP66 housing and optional warmed-probe technology for reliable measurement in condensing conditions.

Download datasheet (PDF)

Specifications

Technical specifications

Humidity range
0–100 %HR
Humidity accuracy (+15…+25 °C)
±1 %HR (0–90 %HR); ±1,7 %HR (90–100 %HR)
Temperature range
-80 °C a +60 °C
Housing rating
IP66
Outputs
Tensión (0–1 / 0–5 / 0–10 V); RS-485; Pt100 resistivo
Dimensions / weight
279 × 40 mm / 93 g

Features

Key features

  • HUMICAP® R2 thin-film capacitive sensor with Pt100 temperature element
  • Long-term stability against chemicals, water, dust and dirt
  • Optional warmed-probe technology for condensing conditions
  • Optional chemical purge to reduce drift from pollution-based vapors
  • Sintered Teflon filter for maximum sensor protection
  • 6-point factory calibration with SI traceability

Applications

Typical applications

  • Remote weather stations
  • Coastal and marine climate monitoring
  • Condition observation for forecasting and climate studies
  • Road safety and highway monitoring
  • Aviation operations and highway maintenance

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