HOBO Water Level Data Logger for Saltwater Environments

Description

The HOBO Water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is ideal for recording water levels and temperatures in brackish wetlands and tidal areas.

Highlighted Features

• Lightning protection – no long signal wires, and electronics are shielded in stainless steel housing for use in freshwater.
• HOBOware Pro software provides easy conversion to accurate water level reading, fully compensated for barometric pressure, temperature, and water density.
• Multiple-rate sampling allows faster sampling at critical times such as when pumping starts or stops.
• Available in 4 depth ranges
• Ideal for use in brackish wetlands and tidal areas.
• No-vent-tube design for easy reliable deployment
• Durable ceramic pressure sensor
• 3-point NIST-traceable calibration certificate included

This data logger operates in outdoor and underwater environments.

The U20 data logger supports the following measurements: Absolute Pressure, Barometric Pressure, Temperature and Water Level

Note:  HOBO data loggers require either the HOBO Waterproof Shuttle or Universal Optic USB Base Station  and a USB Cable. (Note: A USB cable is included w/ HOBOware Pro CD or USB software purchase). HOBOware Pro is required when using the U-DTW-1 HOBO Waterproof shuttle.

Real-time Clock	± 1 minute per month 0° to 50°C (32° to 122°F)
Battery	2/3 AA, 3.6 Volt lithium, factory-replaceable
Battery Life (Typical Use)	5 years with 1 minute or greater logging interval
Memory (Non-volatile)	64K bytes memory (approx. 21,700 pressure and temperature samples)
Weight	140 g (4.8 oz)
Dimensions	2.46 cm (0.97 inches) diameter, 15 cm (5.9 inches) length; mounting hole 6.3 mm (0.25 inches) diameter
Wetted Materials	316 stainless steel, Viton® o-rings, acetyl cap, ceramic sensor
Logging Interval	Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours. Refer to the HOBOware software manual.
Launch Modes	Immediate start and delayed start
Offload Modes	Offload while logging; stop and offload
Battery Indication	Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile.
	The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

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