Michell Instruments PC33 and PC52 Humidity Probes

The Michell Instruments PC33 and PC52 series offer a comprehensive range of relative humidity probes for accurate, stable and repeatable measurements. Available with analog output signals, the PC series can be installed in a wide variety of applications. Optional temperature measurement is available for all models.

The Michell Instruments PC33 features an accuracy of ±3% RH with a single point calibration. The low cost PC33 is designed for HVAC applications. The PC52 is accurate to ±2% RH with two point calibration. The PC52 is designed for accurate measurement in controlled environments.

Features

• Low cost PC33 with analog output is designed for HVAC applications
• PC52 with analog output is designed for accurate measurement in controlled environments
• Analog zero and span adjustment
• Measurement Range
  • Humidity: 0-100% RH
  • Temperature: -20 to +80°C (-4 to +176°F)
• Accuracy @ 23°C (73°F)
  • Humidity: <±2% RH (PC52), <±3% RH (PC33)
  • Temperature: ±0.2°C (PC52), ±0.3°C (PC33)
• RH Sensor Stability: ±1% RH / year
• RH Sensor Response Time: <10 sec typical (90% of the step change)
• Output Signal: 4–20 mA, 0 to 1, 0 to 5, 0 to 10 V