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Product Name:ISM-2001
Product Description:
Year of initial development:2001
Year of latest version:2017
Area of Application:Current measurements in all natural waters: Clear or turbid, even with high sediment freight or with air bubbles. Application near to boundaries (sea ground, surface, underwater constructions ...).
Field of Use:Low-cost and robust sensors for two-component current measure­ments under adverse conditions and at the water sole or dense to structures or below the surface too, equally in poly-phase currents (with air bubbles and sediment freight). Simple integration into data collecting units; fits to multi-parameter probes of Series 2001. Proved technique, proved long-standing in continuous efforts. Good anti-fouling through the specific surface system of the sensor and the constructional parts made from sea water re­sis­tant brass (ISM-2001C) or Titanium TiAl6V4 (ISM-2001CTi). A two-axis magnetometer is available as compass optionally.
Languages Supported:English, German
Hardware/software requirements 
HD [GB]:
Processor (CPU):n.a.
Operating System:n.a.
Dedicated software:N
Power supply and communication 
Power supply (internal/external with specs):85 mA (120 mA with compass) @ 12 V Other Voltages available.
Operating current:85 mA (120 mA with compass)
Output interface {eg. rs232}:no
Analogue output:2 voltage outputs (4 with compass)
Physical Properties  
Weight in air [kg]:1.55
Weight in water [kg]:
Width [cm]:8.5
Length [cm]:32
Operating temperature: min. [°C]:-5
Operating temperature: max. [°C]:45
Housing material:brass or titanium
Sensor properties: current speed 
Type of sensor:inductive / electro-magnetic
Range:+/- 3 m/s (max. +/- 5 m/s)
Accuracy:± (0.5% reading + 0.5% F.S.)
Resolution:n.a. (analog)
Volume of sample:ca. 1 dm³
Sensor properties: current direction 
Type of sensor:fluxgate magnetometer
Range:0 ... 360°
Accuracy:1 %
Resolution :n.a. (analog)
Operating properties 
Minimum operating depth {m}:0.1
Depth rating [m]:1000
Output data format:analog voltages
Sampling rate:25 Hz (low-pass filtered)
Other specifications 
Additonal sensors:magnetometer as compass optional
Data storage:n.a.
Additional capabilities:titanium version for up to 7000 m

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