Hydrometer Registers

Hydrometer

Register Electrical Output

Netafim USA Hydrometers are equipped with electrical output devices which combine the high reliability of hermetically sealed, magnetically driven registers with electric transducer output options.

Applications
For automation and communicating with controllers and other devices Where more than just the traditional register is required

Features & Benefits
Equipped with electrical output devices Combines high reliability of hermetically sealed, magnetically driven registers with a wide variety of electric output options Magnetic registers can be easily changed to accommodate a variety of electrical outputs




Available Register Options

Netafim USA has the following types of outputs available which provide different levels of resolution:

REED SWITCH (RS) REGISTER

The reed switch register is a dry contact or simple switch closure for communicating with control and monitoring equipment. Flows are totaled in U.S. Gallons based on the multiplication factors indicated on the dial face.

PHOTO DIODE HIGH FREQUENCY (PDH) REGISTER

A photo coupler sensor that provides a high frequency pulse output for communicating with control and monitoring equipment. Flows are totaled in U.S. Gallons based on the multiplication factors indicated on the dial face.

ELECTRONIC (ER) DIGITAL REGISTER

Combines standard digital register features with dry pulse output for communicating with control and monitoring equipment. Rate of flow and volume readings in U.S. Gallons are clearly displayed on the LCD display. 

ER Register




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REED SWITCH (RS) REGISTER SPECIFICATIONS

  • Magnet activated.
  • Acts as a "dry contact", uses very little electric power.
  • For "Volume" related functions such as data recorders or simple counters. (Open collector) for functions such as rate of flow and recording total volume.

Electrical Specifications

  • Maximum Contact Current: 50 mA
  • Maximum Contact Voltage: 48 VDC
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PHOTO-DIODE ELECTRICAL SPECIFICATIONS

POSITIVE powers the IR light (yellow wire)
Current Min: 15 mA to a maximum of 25 mA DC through a resistor
OUTPUT (clear wire)
GROUND (bare wire)