MIDAS WLR - Water Level Recorder

The Standard Instrument Is Fitted With a 0.01% Accuracy Pressure Sensor and Acetal Housing for up to 500M Depth Rating, With a Deep Water Titanium Housed Option Also Available.

Designed for long or short-term deployments in offshore environments, or locations where a traditional shore-based tide gauge is impractical, the MIDAS WLR can be moored in line or to the seabed.

Valeport Limited

Totnes, GB

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Description

The MIDAS WLR comes with a choice of pressure sensor ranges to suit the depth requirement of the operator. The sensor is a revolutionary piezoresistive cell with internal temperature compensation, giving the accuracy and resolution levels usually associated with a resonant quartz sensor but with increased durability, stability and recalibration intervals.

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Specifications

General: Year of initial development

2004

Weight in air [kg]

7

Length [m]

0.55

Width [m]

0.088

Height [m]

0.088

Max depth [m]

6000

Battery type

8 x 1.5V C cells

Battery duration [hr]

5160

External body material

Acetal for up to 500m and Titanium up to 6000m

Data recording and retrieval: Max. recording capacity [10^6]

2.7

Filtering applied

Y

Direct on site data access

Y

Type of data cable for direct access

RS232, RS485, Other

Max. depth for direct access [m]

1500

Direct remote data access

Y

Type of telecommunication for remote access

RS232, RS485, UHF

Max. distance for remote access [m]

1500

Data format

ASCII, RS232, RS485

Connector

Subcon MCBH10F

Communication protocol

8-1-N-N

Data characteristics: Depth resolution [%FS]

0.001

Depth uncertainty [%FS]

0.01

Time resolution [s]

0.06

Clock bias [s/day]

2.4

Min. measurement interval [s]

1