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John C. Ernst LLC.
Doc. No.: SIM.00M12.001
Replaces:
E30024
21 Gail Ct, Sparta, NJ. 07871
Date: 08-AUG-19
Created By: NPH
Approved By: JCW
Rev: --
PROCESS OBSERVATION SOLUTIONS
Flow Meters
INSTALLATION, OPERATION & MAINTENANCE MANUAL
M12
FOR SERIES:
JOHNERNST.COM
Tel.: 888-943-5000 - Fax: 973-940-1620 - sales@johnernst.com
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Table of Contents
Summary of Contents for Ernst M12
- Page 1 John C. Ernst LLC. Doc. No.: SIM.00M12.001 Replaces: E30024 21 Gail Ct, Sparta, NJ. 07871 Date: 08-AUG-19 Created By: NPH Approved By: JCW Rev: -- PROCESS OBSERVATION SOLUTIONS Flow Meters INSTALLATION, OPERATION & MAINTENANCE MANUAL FOR SERIES: JOHNERNST.COM Tel.: 888-943-5000 - Fax: 973-940-1620 - sales@johnernst.com...
- Page 2 Table of Contents I. INTRODUCTION ................... 1 Features and Specifications Design Ratings at Maximum and Minimum Operating Temperatures II. INSPECTION ..................1 Receiving Inspection End User’s Rating Inspection III. INSTALLATION ................... 1 Precautions Safety Considerations Changing the Dial Orientation ABS Housing Aluminum Housing Either Housing Installing...
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Page 3: Product Quickspecs
PRODUCT QUICK SPECS. Available Materials/Connenctions Typical Ratings Material Connection Option Description Ratings Bronze (None) Standard 180 PSI @ 212°F Monel 1/2” - 3” NPT High Pressure 400 PSI @ 212°F Stainless Steel High Temperature 180 PSI @ 350°F Bronze H & T Both of above 400 PSI @ 350°F Monel... -
Page 4: Installation
Product Specs’, the flowmeter drawing, and the specific rate by sensing the pressure differential created across design limits on the John C. Ernst LLC. product proposal. the flow nozzle which is machined into the body of the All ratings are limited to the Material & Gasket pressure &... -
Page 5: Operation
Changing the Dial Orientation Aluminum Housing Using a small screwdriver blade to lift the end of the re- Note the flow direction arrows on the body. If necessary, tainer ring up and out of the housing recess, remove the change the dial facing direction by removing the four retainer ring and dial crystal. -
Page 6: Maintenance
V. MAINTENANCE Coarse Zero Adjustment should aim directly at the “zero reference point” printed on the dial as shown. If necessary to restore spring preload, place a small screwdriver in the slotted pointer hub. Grip the pointer Gently tap the flow meter housing to overcome residual close to the hub on both sides of the hub and rotate the friction while making the adjustment. -
Page 7: Correction Factors
Adjustment of Reed Switches Troubleshooting Check the flow meter zero and correct if necessary using Pointer Fluctuation the coarse or fine zero procedure before proceeding. Con- Mechanical fluctuation of the pointer is usually a symptom nect continuity tester to N.O. contact. Loosen the switch of excessive turbulence in the pipeline. -
Page 8: Limited Warranty
The warranty does not guarantee products against normal wear, glass breakage, clouding, or corrosion. The John C. Ernst LLC. shall not be liable for loss, shipping costs, damage, or expenses related directly or indirectly to the installation or use of its products. It is expressly understood that the John C. Ernst LLC. is not responsible for damage or injury caused to other products, buildings, personnel, citizens, or property by reason of the installation or use of its products.
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