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Aurora Probability in Northern Canada
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North America Aurora Map from
NOAA Space Weather Prediction Center
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CAL-9004 Service Calibration (Dual Channel)
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US Prices CDN Prices Privacy and Security
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Data loggers that are returned for a service calibration will have their battery and any seals or desiccant packs replaced. Standard Calibration Points Calibration certificates for temperature and humidity data loggers are issued at the following two points unless otherwise specified: Temperature: 0°C and 30°C Humidity: 20 to 80 %RH (at 25°C) Additional/Alternate Calibration Points Alternate or additional points may be specified within the following limits: Temperature: -20 to 150 °C. Humidity: 20 to 90 %RH (at 25°C).
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