RDP-70 Laboratory Edition

Reference-Grade Chilled Mirror Hygrometer

Primary-standard dew/frost point measurement for ISO/IEC 17025 laboratories and national metrology institutes.

Overview

Applications

• National metrology institutes
• Calibration laboratories
• High-purity gas systems
• Research facilities

The RDP-70 is a metrology-grade chilled mirror hygrometer designed for absolute thermodynamic dew and frost point measurement.

Utilizing true chilled mirror technology, it provides stable, drift-free performance with long-term repeatability. The instrument is optimized for ISO/IEC 17025 laboratories and national metrology institutes requiring primary-standard accuracy.

Key Features

Primary-Standard Accuracy

• ±0.2°C dew point accuracy
• Measurement down to −70°C frost point
• Long-term stability

True Chilled Mirror Technology

• Direct dew/frost measurement
• No sensor aging
• No long-term drift

Laboratory Optimization

• Designed for ISO/IEC 17025 labs
• Stable mirror temperature control
• High repeatability

Technical Specifications

Parameter Specification
Measurement Principle Chilled mirror hygrometer
Measurement Range 20°C to −70°C frost point
Dew/fro Point Accuracy ±0.2°C
Repeatability ±0.1°C
Mirror Control Automatic optical detection
Long-Term Stability Drift-free measurement
Response Time 300s
Interface RS232
Power Supply 110-240 V AC

All specifications are subject to change without notice.