Download Brochure. The HydroBox HD TM is a portable high- resolution, shallow water echo sounder. Designed for inshore and coastal hydrographic marine surveys up to 1000 meters of water depth. Extreme ease of use, portability, and cost efficiency make this device the perfect choice for shallow water hydrography.
Guide to Helsinki weather in May The average maximum daytime temperature in Helsinki in May is a comfortable 15Â°C (59Â°F). The average night-time temperature is usually a cold 5Â°C (41Â°F).
Its capital and largest city is Helsinki, and official languages are Finnish and Swedish. Finland uses Eastern European Time (abbreviated: EET; time zone: UTC+02:00), and utilizes daylight saving time. In Europe daylight saving time is often referred to as Summer Time.