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                          • Quick links:
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                            • Indigo Family
                      • Weather and Environmental Solutions
                        • What are you measuring?
                          • Air quality
                          • Atmospheric profiling
                          • Cloud height
                          • Lightning
                          • Multi-weather
                          • Precipitation
                          • Pressure
                          • Road & runway surface condition
                          • Solar irradiation
                          • Temperature & humidity
                          • Visibility & present weather
                          • Wind
                        • What is your challenge?
                          • Air quality monitoring
                          • Airport weather
                          • Atmospheric research
                          • Automotive weather data
                          • Drone flight safety
                          • Helideck monitoring
                          • Lightning detection
                          • Maritime weather
                          • Observation network management
                          • Offshore environmental monitoring (EMS)
                          • Ports & coastal weather
                          • Ship instrumentation
                          • Solar Resource Monitoring
                          • Winter road maintenance
                        • Explore products:
                          • Automatic weather stations
                          • Radiosondes & sounding systems
                          • Weather & environmental sensors
                          • Weather radars
                          • Wind lidars
                      • Xweather subscription services
                        • Software + Hardware
                          • Xweather Insight
                          • Wx Horizon
                          • RoadAI
                          • Thunderstorm Manager
                          • Wx Beacon
                        • Data and Mapping
                          • Weather API
                          • Raster Maps
                          • MapsGL
                          • Air Quality
                          • Lightning
                          • Road Weather
                          • Renewable Energy
                    • Services
                      • Services
                        • Column1
                          • Calibration services
                          • Maintenance and upgrade services
                          • Project services
                        • Column2
                          • Remote and digital services
                          • Technical support
                          • Training services
                        • Product line services
                          • Continuous Monitoring System Services
                          • Services for liquid measurements
                          • Lifecycle agreements for weather applications
                          • Xweather subscription services
                    • Industries & Applications
                      • Industrial Measurement Solutions
                        • By industry
                          • Automotive
                          • Battery Manufacturing
                          • Bio-decontamination
                          • Biogas production
                          • Carbon Capture, Utilization & Storage
                          • Chemical industry solutions
                          • Cleanrooms
                          • Compressed Air
                          • Data Centers
                          • Food, Beverage & Agriculture
                          • Fuel Cells
                          • HVAC & Indoor Air
                          • Life Science & Pharmaceutical
                          • Power Industry Solutions
                          • Pulp, paper and wood
                          • Semiconductor
                          • ALL INDUSTRIES
                        • By measurement
                          • Carbon Dioxide
                          • Dissolved Gas in Oil (DGA)
                          • Humidity and Dew Point
                          • Hydrogen
                          • Liquid Concentration
                          • Methane
                          • Moisture in Oil (MiO)
                          • Pressure
                          • Temperature
                          • Vaporized Hydrogen Peroxide
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                          • DRYCAP®
                          • HUMICAP®
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                          • Roads
                          • Defense meteorology
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                          • Meteorology
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                      • Xweather subscription services
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                        • Sustainable business practices
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                        • Report a concern
                    • Investors
                      • Vaisala as an investment
                        • Why invest in Vaisala?
                        • Market information
                        • Acquisitions and divestments
                        • Risk management
                      • IR calendar
                      • Financial information
                        • Annual and quarterly figures
                        • Financial reporting structure
                        • Accounting principles for the consolidated financial statements
                        • Calculation of key figures
                        • Tax strategy
                      • Reports and presentations
                      • Corporate governance
                        • Governing bodies of Vaisala
                        • Corporate Governance Statement
                        • General Meetings
                        • Board of Directors
                        • Leadership Team
                        • Remuneration
                        • Insiders
                        • Compliance
                        • Controls
                        • Auditing and auditor's fees
                        • Articles of Association
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                        • Subscribe to releases and publications
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                    1. Home
                    2. Process Refractometer PR-21-S Manual

                    Process Refractometer PR-21-S Manual

                    • PR-21-S Manual

                    PR-21-S Manual

                    In-line Refractometer PR-21-S (-…-GP/FM/IA)

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