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Carlon MRS Series - User Manual

Carlon MRS Series
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Carlon MRS electric contacting multijet meters are an economical
answer for applications needing good tolerance to contaminants, an
electrical output signal and total volume registration. With an easy to read
register display, the MRS water meter is designed with reliability and
affordability in mind. Use in conjunction with any of Carlon’s timers and
controls, you can create a customized system specific to your application
requirements. The MRS meter is available in sizes from 1/2" to 2” and
operates at flow rates up to 130 GPM and pressures of 150 psi. The
design of the MRS meters meets or exceeds AWWA specifications.
1710 EATON DRIVE • GRAND HAVEN, MICHIGAN 49417
PHONE (616) 842-0420 • FAX (616) 842-1265
E-MAIL CARLON@CARLONMETER.COM • WWW.CARLONMETER.COM
MRS
®
METERS
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Summary

MRS Meters Overview

Carlon MRS Electric Contacting Multijet Meters

Economical answer for applications needing good tolerance to contaminants, electrical output and total volume registration.

Meter Selection Chart

Meter Sizing Guidance

Guidance on selecting meter size based on continuous flow (GPM) and pipe size.

Ordering Information and Contact Settings

How to specify model number and available contact pulse settings for ordering.

MRS Meter Specifications

Technical Specifications Summary

Meter connection, pressure rating, pH level, temperature range, and accuracy details.

Register Options

Available register options for volume measurement (gallons, cubic feet, metric).

Installation and Support Information

Installation Instructions

Steps for flushing, horizontal installation, dry contact usage, and outdoor protection.

Product Warranty Details

Carlon warrants products against defects for twelve months from date of purchase.

Helpful Hints for System Protection

Tips for installing valves and strainers to protect the meter.

Additional Information Source

Information on visiting the website for additional details.

Summary

MRS Meters Overview

Carlon MRS Electric Contacting Multijet Meters

Economical answer for applications needing good tolerance to contaminants, electrical output and total volume registration.

Meter Selection Chart

Meter Sizing Guidance

Guidance on selecting meter size based on continuous flow (GPM) and pipe size.

Ordering Information and Contact Settings

How to specify model number and available contact pulse settings for ordering.

MRS Meter Specifications

Technical Specifications Summary

Meter connection, pressure rating, pH level, temperature range, and accuracy details.

Register Options

Available register options for volume measurement (gallons, cubic feet, metric).

Installation and Support Information

Installation Instructions

Steps for flushing, horizontal installation, dry contact usage, and outdoor protection.

Product Warranty Details

Carlon warrants products against defects for twelve months from date of purchase.

Helpful Hints for System Protection

Tips for installing valves and strainers to protect the meter.

Additional Information Source

Information on visiting the website for additional details.

Overview

  1. Technical Specifications
  2. Usage Features
  3. Maintenance Features

The Carlon MRS electric contacting multijet meters are designed for applications requiring good tolerance to contaminants, an electrical output signal, and total volume registration. These meters feature an easy-to-read register display and are built with reliability and affordability in mind. They can be used in conjunction with Carlon's timers and controls to create customized systems tailored to specific application requirements.

Technical Specifications:

  • Sizes: Available in sizes from 1/2" to 2".
  • Flow Rates: Operates at flow rates up to 130 GPM (Gallons Per Minute).
  • Pressures: Rated for pressures up to 150 psi.
  • Accuracy: +/- 1.5% of maximum flow when operating between minimum and maximum flow range.
  • PH Level Range: 6.5 - 8.0.
  • Temperature Range: Designed to operate within temperatures of 35 to 120 °F. Protection from freezing is required.
  • Register Options: Available with U.S. Gallons, cubic feet, or metric readings.
  • Connections: Carlon supplies connections with all MRS meter orders.
  • Contact Settings (GPC - Gallons Per Contact):
    • 5/8 X 1/2" thd (Model 625MRS): 0.1 GPC, 1 GPC, 10 GPC, 100 GPC
    • 5/8 X 3/4" thd (Model 6251MRS): 0.1 GPC, 1 GPC, 10 GPC, 100 GPC
    • 3/4" thd (Model 750MRS): 1 GPC, 10 GPC, 100 GPC
    • 1" thd (Model 1000MRS): 1 GPC, 10 GPC, 100 GPC
    • 1 1/2" thd (Model 150MRS): 1 GPC, 10 GPC, 100 GPC
    • 2" thd (Model 200MRS): 1 GPC, 10 GPC, 100 GPC
    • Note: All contact settings are pre-set at the factory to your specifications.
  • Continuous Flow (GPM) and Flow Range:
    • 5/8 X 1/2" thd (Model 625MRS): Continuous Flow: 8 GPM; Flow Range: 1/4 - 20 GPM. Weight: 3.3 lbs. Length: 7 1/2. Height: 4 1/8. Width: 3 7/8. Connection Length [X2]: 2 3/8.
    • 5/8 X 3/4" thd (Model 6251MRS): Continuous Flow: 10 GPM; Flow Range: 1/4 - 20 GPM. Weight: 3.3 lbs. Length: 7 1/2. Height: 4 1/8. Width: 3 7/8. Connection Length [X2]: 2 1/2.
    • 3/4" thd (Model 750MRS): Continuous Flow: 15 GPM; Flow Range: 1/2 - 30 GPM. Weight: 3.7 lbs. Length: 7 1/2. Height: 4 1/2. Width: 4. Connection Length [X2]: 2 1/2.
    • 1" thd (Model 1000MRS): Continuous Flow: 25 GPM; Flow Range: 3/4 - 50 GPM. Weight: 5.7 lbs. Length: 10 3/4. Height: 4 1/2. Width: 4. Connection Length [X2]: 2 5/8.
    • 1 1/2" thd (Model 150MRS): Continuous Flow: 50 GPM; Flow Range: 1 1/2 - 100 GPM. Weight: 10.6 lbs. Length: 12 5/8. Height: 6. Width: 5. Connection Length [X2]: 2 7/8.
    • 2" thd (Model 200MRS): Continuous Flow: 65 GPM; Flow Range: 2 - 130 GPM. Weight: 22 lbs. Length: 15 1/4. Height: 7. Width: 6 1/2. Connection Length [X2]: 3.
    • Note: The meter size should be selected based on continuous flow (GPM), not pipe size. For example, if continuous flow is 25 GPM, a 1" meter should be selected rather than a 3/4" meter.
  • Electrical Output: Dry contact type, reed switch meters with a maximum switching voltage of 48 V AC/DC, maximum current of 0.2 amps, and 3 watts.
  • Compliance: The design of the MRS meters meets or exceeds AWWA specifications.

Usage Features:

  • Ordering Information: To order, specify the model number followed by the desired contact pulse settings. Add 'G' for gallon reading or 'C' for cubic feet reading (contact factory for other register reading abbreviations). Example: 1 1/2" meter with gallon register and 10 gallons per contact = 150MRS-10 GPC.
  • Installation:
    1. Thoroughly flush the line after all plumbing changes to prevent contaminants from entering the meter.
    2. Install the meter horizontally with the register facing up and the inlet port facing the water supply line.
    3. If installed outdoors, the meter must be protected from the elements.
  • System Integration: Can be integrated with Carlon's timers and controls to create custom systems.

Maintenance Features:

  • Warranty: Carlon warrants its products to be free of defects in material or workmanship for a period of twelve months from the date of purchase. Contact Carlon to obtain a copy of the complete statement of warranty.
  • Helpful Hints for System Protection:
    1. Water Hammer Protection: Install a Carlon Slow-Closing Valve downstream of your water meter to eliminate possible meter damage from water hammer in your system.
    2. Particulate Matter Protection: Install a Carlon Strainer upstream of your water meter to protect the meter and any other in-line process equipment from becoming jammed by particulate matter in your system.

Carlon MRS Series Specifications

General IconGeneral
BrandCarlon
ModelMRS Series
CategoryMeasuring Instruments
LanguageEnglish

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