Solid state logger plumbs the depths
A
Magna Projects and Instruments product story
Edited by the Engineeringtalk editorial team
Sep 30, 2002
The 2HDL8 is a compact and reliable eight-channel 12bit data logger originally developed for undersea applications at depths (in a suitable housing) to 3000m.
The 2HDL8 is a compact and reliable eight-channel 12bit data logger originally developed for undersea applications at depths (in a suitable housing) to 3000m.
The data logger may be used in "stand-alone" mode, where it can be left in situ for several months, then recovered and the data downloaded and processed, or else the logger may be configured in "hard-wired" mode and periodically interrogated by a host computer.
The instrument, which is supplied on a circuit board measuring 50 x 320mm, is available with a choice of onboard memory of 64, 128 or 256Mbyte.
A whole range of sensors may be accommodated, for example inclinometers, strain gauge devices (eg pressure, tension, load), temperature sensors, single- and multi-axis accelerometers, magnetic direction etc.
The sampling rate is programmable between 2 and 30Hz, and the system has a programmable start and may be programmed to "sleep" between bursts of high-speed data recording.
As an example of duration with different logging profiles, scanning four channels with 64Mbyte of memory onboard would allow 12 days of continuous logging, 230 days at 20 minutes logging every 6 hours, and 300 days at 20 minutes logging every 2 hours.
The 2HDL8 has a wide range of applications in the laboratory, on process plant and in the field.
Said Director Roy Carter, "These compact data loggers complement our other product ranges of signal conditioning equipment and laboratory instruments.
We are sure that there are many diverse applications for them".
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