CURRENT METER

CURRENT METER

The standard operation of the current meter is used in conjunction with a wading rod and a current meter counter. This method requires observe the velocities of the flow at different depths across the streams.

Accessories:

The wading rod can be use with current meter as well as ADCP as positioning system. The water depth is displayed along with the % depth as the rod is moved up and down as well as the ‘Point’ velocity through use current meter / ADCP.

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Description

Features of Current Meter

  • The design for reliable and accurate field data under the prevailing Indian environmental conditions and under cyclonic weather condition.
  • The system shall be easy to operate and maintain.
  • The current meter can be fitted with a stabilizer tail fin which is attached to a hanger bar and Colombus gauging weight in sizes of 7, 15, 23, 34, 45, 68, 90 or 135 Kg. This assembly is suspended from a gauging winch with armoured signal cable. A rating table is used to convert number of pulses to velocity.
  • The current meter is of Type “AA” current meter. It allows the measurement of water flow in streams, open canals, pressure pipes & lakes to a fine degree of accuracy and repeatability with its advanced contact switching system and interchangeable impact resistant bucket system that provides trouble free operation.
  • The current meter is made to be used in the most extreme environments and ensures reliable field service for many years.
  • The current meter is supplied in a kit which is affordable and user friendly, allowing the operator to measure water flow using a simple traditional method.

Current Meter Working Principle: Water Flow is measured through pulse signal produced per revolution. This signal is generated by an encapsulated reed switch which resides inside the current meter body.

Accessories:

The wading rod can be use with current meter as well as ADCP as positioning system. The water depth is displayed along with the % depth as the rod is moved up and down as well as the ‘Point’ velocity through use current meter / ADCP.

Features:

  • A feature of the device is its ability to “clean” the signal and interface directly to a compatible PDA, Pocket PC, or other computing device and provide serial data that can be used by the external device to compute discharge.
  • Suitable for current meters with either magnetic reed switch or cat’s whisker contact.
  • In-built current meter signal processing feature to verify current meter signal and detect any ‘shorts’ in connections.
  • The water velocity is directly computed and displayed on an LCD.
  • LCD (with backlighting) to display sounding and depth of observation
  • Easy to read ruler on rod Push button selection for either IMPERIAL or METRIC measurement
  • Keypad mount (Optional) to suit for ADCP
  • Electronics housed in IP66 water-proof enclosure
  • Displays current meter counts (selection of timing intervals from 10 to 90 seconds)
  • Support NORMAL (> 0.08m/sec) and SLOW (< 0.08m/sec) speed operation
  • Spin test feature & Dwell test feature
  • Integrated Bluetooth interface (Spec V1.1)
  • Powered by 3 x type ‘AA” alkaline batteries (approx 50 hours continuous use before discharging)
  • Durable and light-weight aluminium and stainless steel construction
  • Canvas carry bag included

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