Handheld comms


Surveyor 4 Handheld Display

For complete water quality sonde set-up and real time monitoring, the Surveyor is a simple and rugged handheld display that is designed specifically for use with Hydrolab DS5, DS5x, and MS5 Multiprobes.

Discontinued item.

Replacement parts still available for sale.



  • Rugged and dependable NEMA 6 case with handstrap Displays data in real-time or can store up to 375,000 measurements Oversize screen with backlight allows data to be viewed in any conditions Available with optional GPS and Barometric Pressure capabilities.



  • Designed specifically for use in severe field conditions, the Surveyor can take a beating on land or in the water and still deliver your data Allows the user huge flexibility as the Surveyor 4a can be used for real time data collection or graphing and it can be used for setting up and downloading log files Complete set-up capability allows users to leave their laptops in their offices GPS option automatically integrates latitude and longitude coordinates with water quality data Barometric Pressure option makes Dissolved Oxygen calibration simple, and can be logged with water quality data


Memory: 375,000 measurements
Battery Supply: Rechargeable Nickel Metal Hydride
Typical Battery Life: 12-16 hours
Size: 11″ x 4″ x 5″; 27.9 cm x 10.2 cm x 3.8 cm
Weight: 2 lbs; 0.9 kg


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