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miniTIDE

The Valeport miniTIDE is a small Tide Recorder, designed for short-term underwater deployments, ideal for academic studies.

Fitted with a 0.01% temperature compensated piezo-resistive cell, the miniTIDE will record high accuracy pressure data for a period of one month at a 10-minute sampling interval, using a single alkaline C cell. It is available with a choice of pressure ranges, and with either 500m acetal or 6000m titanium housings.


Support

miniTIDE Datasheet
Download
miniTIDE Operating Manual
Download
DataLog X2 Operating Manual
Download

Software

DataLog X2
1.1.0.1315
Download

Technical Specifications

Sensors

The miniTIDE is fitted with a novel temperature compensated piezo-resistive pressure transducer that offers levels of performance previously only available from costly resonant quartz transducers.

Pressure

Type:
Temperature compensated piezo-resistive
Range:
10, 30, 50, 100, 300 or 600 Bar
Resolution:
0.001% range
Accuracy:
±0.01% range

Data Acquisition

The miniTIDE features a selection of pre-programmed sampling patterns, allowing the device to monitor (and average) pressure readings for a number of seconds at regular time intervals, e.g. 40 seconds sampling every 10 minutes. Alternatively, the instrument may be set to output data at a fixed sample rate of 1 or 2 Hz, for continuous monitoring applications.

Communications

The instrument will operate autonomously, with setup and data extraction performed by direct communications with PC before and after deployment. It also operates in real time, with a choice of communication protocols fitted as standard and selected by pin choice on the output connector:

RS232
Up to 200m cable, direct to serial port
RS485
Up to 1000m cable
Baud Rate:
4800 - 460800
Protocol:
8 data, 1 stop, No parity, No flow control

Memory

The miniTIDE is fitted with a solid state non-volatile Flash memory, capable of storing over 30 million lines of data.

Electrical

Internal:
1x C cell, 1.5V alkaline or 3.6V lithium
External:
9 – 28V DC
Power:
<200mW
Battery Life:
30 days (alkaline) @40 secs / 10 mins
80 days (lithium) @40 secs / 10 mins
Connector:
SubConn MCBH10F

Physical

Materials:
Acetal or Titanium housing (as ordered)
Acetal lock ring and transducer cap
Depth Rating:
500m (Acetal)
6000m (Titanium)
Note: Maximum deployment depth may be limited
by transducer depth range
Instrument Size:
48mmØ, 270mm long (including connector)
Deployment cage:
110mmØ x 450mm long
Weight:
0.7kg (acetal)
Shipping:
51 x 42 x 27cm
10kg

Ordering

0660007-XX
miniTIDE Water Level Recorder in Acetal
Supplied with:
· Switch plug
· Deployment frame
· 3m communications lead
· DataLog x2 software
· Manual and transit case.
Note:
XX denotes pressure transducer range.
Select from 10, 30 or 50bar
0660008-XX
miniTIDE Water Level Recorder in Titanium
Supplied with:
· Switch plug
· Deployment frame
· 3m communications lead
· DataLog x2 software
· Manual and transit case.
Note:
XX denotes pressure transducer range.
Select from 10, 30, 50, 100, 300 or 600bar

Software

System is supplied with DataLog Express Windows based PC software, for instrument setup, data extraction and display. DataLog Express is license free.

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