SVR4A

Features: 

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

Available in English, French, or Spanish

Benefits:

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 – the Surveyor 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

Specs:

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

Most common questions and answers:

Q: Can the rechargeable battery in my Surveyor 4a power my DataSonde or MiniSonde?

A: The Surveyor 4a rechargeable battery can power HydroTech and Hydrolab multiprobes. The battery life is 12-16 hours, but it can vary depending on the sonde configuration and measurement frequency. Please note that a Surveyor will not power a DataSonde if the sonde is configured with both Self-Cleaning Turbidity AND a Fluorometer (i.e., Chlorophyll, Rhodamine, or Blue-Green Algae).

Q: Is the handheld waterproof?

A: Yes, the Surveyor 4a has a NEMA 6 rating, which means that the enclosure is protected against the entry of water during occasional temporary (30 minutes) submersion at a limited depth (one meter). 

Q: What type of batteries are required?

A: The Surveyor 4a uses a DR-30, 7.2V, 3.5Ah, NiMH Rechargeable Battery made by GP Batteries. The internal clock battery is a standard 3V lithium coin cell battery. 

Q: Why does my Surveyor shut down when it is not in use?

A: The Surveyor 4a automatically powers off after several minutes of inactivity. The user can customize this power-off setting.

Q: How long does it take to recharge the Surveyor battery?

A: If the Surveyor 4a battery is completely discharged, the charger can restore full power in approximately four hours.