Certified Cold Water Pulse Meter

MJNR-150-1G
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  • Refine Search: Pulse
  • Product Type: Inline
  • Manufacturers: Seametrics
  • Product Family: MJN-Series
  • Body Material: Eco-brass alloy body
  • Flow Range: 0.88 - 88 gpm
  • Max. Voltage Current: 24VDC 20 mA output
  • Power Type: 6 mA at 12 VDC
  • Pulse Rate: 1 gal/pulse
  • Max. Pressure: 150 PSIG
  • Max. Temperature: 105°F
  • Sensor Type: Two-wire reed switch sensor
  • Size: 1-1/2 in.
Seametrics MJN-Series NSF-61 Certified Cold Water Pulse Meter, 1-1/2 FPT, dry contact, two-wire reed switch sensor, eco-brass alloy body, 150 psig@ 105 deg F, 0.88-88 gpm, 1 gal/pulse, 24 VDC 20 mA output.
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  • Product Description
  • Dimension Drawing
MJN-SERIES
Pulse Meter

FEATURES
  • NSF-61-G
  • Dry top multi-jet design
  • Tolerates low quality water
  • Simple pulse output


General Information
MJN-Series meters use the multi-jet principle, which has been an internationally-accepted standard for many years. This type of meter is known for its wide range, simplicity, and accuracy in low-quality water. The Seametrics MJN-Series is NSF-61-G certified. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials. For pulse output, one of the pointers is replaced by a magnet, which is detected by an encapsulated sen¬sor attached to the outside of the lens. Pulse rate is determined by the dial on which the magnet is placed, and by the number of sensors (single or double).
Changing the pulse rate requires no special tools and can be done in the field. Mechanically, all MJN-Series meters are the same. The difference among MJNE, MJNR and MJNT meters is in the sensor. MJNE meters use a solid-state, long-lasting Hall-effect sensor, which requires power. It is suited for use with Seametrics controls and metering pumps (LMI for instance) that have sensor power. MJNR meters use a two-wire reed switch. They provide a dry contact closure and do not require power. MJNT meters totalize only and do not have a sensor.

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