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Hydrolab Surveyor 4a Handheld

ruggedized handheld

The Surveyor 4a  is the handheld display that connects to the Hydrolab Series 5 for attended monitoring applications and for completing other common tasks with the sonde in the field. It is rugged and compact.

The Surveyor 4a is powered by a rechargeable battery that holds enough energy to power a Hydrolab Series 5 for measurements.
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Hydrolab Surveyor 4a Manual
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Graphical Display Color, LCD 3.5 in. QVGA
Graphical Display Transflective (readable in direct sunlight)
Power Supply Lithium-ion rechargeable
Battery Life Up to 10 hours (20 °C) continuously on*

*Temperature, conductivity, pH, and LDO sensors installed. Configuration dependent.
IP Rating IP67*

*Connector covers and/or deployment cable recommended
Buoyancy Positively buoyant in water
Dimensions L x W x H: 21.8 cm x 9.4 cm x 5.3 cm (8.6 in. x 3.7 in. x 2.1 in.)
Weight 0.68 kg (1.5 lbs)
Operating temperature –5 to 50 °C (23 to 122 °F)
Storage temperature –20 to 60 °C (–4 to 140 °F)
Barometric Pressure (Range) 225 mmHg - 825 mmHg
Barometric Pressure (Accuracy) +/- 1 mmHg
Barometric Pressure (Stability) +/- 0.75 mmHg over 12 months
Maximum Deployment Cable 200 m (656 ft)
Material Polycarbonate with thermoplastic elastomer (TPE) overmold
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