The loggers that can be provided on request or are always provided with a calibration certificate for humidity are:

• HumiStick
• HumiUSB series
• HumiPDF
• RHTPUSB
• PressPDF
• RHTemp series

Standard calibration points, not for RHTemp series, are:

• 5°C
• 30°C
• 50°C
• 30% @ 25°C
• 50% @ 25°C
• 70% @ 25°C

Standard calibration points, for RHTemp series, are:

• 25°C
• 50°C
• 80°C
• 125°C (RHTemp 125 only)
• 30% @ 25°C
• 50% @ 25°C
• 70% @ 25°C