John C. Ernst Co, Inc.
John C. Ernst Co, Inc.
21 Gail Court
Sparta, NJ 07871-3438
USA

Toll Free: 888.943.5000
Phone: 973.940.1600
Fax: 973.940.1620
Email: sales@johnernst.com
Website: www.johnernst.com
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Meter Type
Differential Pressure Flowmeter for fluids or gases.

How It Works
Measures flow based on pressure differential created across a built-in nozzle.
M12 Digital Wafer Flowmeter
Unit of Measure
1 2 

Model #

Connection

Body Material

Seal Material

Flow Range

M12-DC-07G-BEA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 1.5 to 10 GPM
M12-DC-07G-BFA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 2 to 15 GPM
M12-DC-07G-BGA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 3 to 20 GPM
M12-DC-07G-CDA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 0.5 to 6.0 GPM
M12-DC-07G-CEA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 1.5 to 10 GPM
M12-DC-07G-CFA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 2 to 15 GPM
M12-DC-07G-CGA-XX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 3 to 20 GPM
M12-DC-07G-BDA-HX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 0.5 to 6.0 GPM
M12-DC-07G-BEA-HX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 1.5 to 10 GPM
M12-DC-07G-BFA-HX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 2 to 15 GPM
M12-DC-07G-BGA-HX-1 N/A 3/4" Wafer Flange N/A Bronze N/A Buna-N N/A 3 to 20 GPM
M12-DC-10G-BFA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 2 to 15 GPM
M12-DC-10G-BGA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 3 to 20 GPM
M12-DC-10G-BHA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 4 to 30 GPM
M12-DC-10G-BIA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-10G-CFA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 2 to 15 GPM
M12-DC-10G-CGA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 3 to 20 GPM
M12-DC-10G-CHA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 4 to 30 GPM
M12-DC-10G-CIA-XX-1 N/A 1" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 40 GPM
M12-DC-10G-BFA-HX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 2 to 15 GPM
M12-DC-10G-BGA-HX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 3 to 20 GPM
M12-DC-10G-BHA-HX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 4 to 30 GPM
M12-DC-10G-BIA-HX-1 N/A 1" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-15G-BHA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 4 to 30 GPM
M12-DC-15G-BIA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-15G-BJA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-15G-BKA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-15G-CHA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 4 to 30 GPM
M12-DC-15G-CIA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 40 GPM
M12-DC-15G-CJA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 60 GPM
M12-DC-15G-CKA-XX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 15 to 100 GPM
M12-DC-15G-BHA-HX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 4 to 30 GPM
M12-DC-15G-BIA-HX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-15G-BJA-HX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-15G-BKA-HX-1 N/A 1-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-20G-BIA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-20G-BJA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-20G-BKA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-20G-BLA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 20 to 150 GPM
M12-DC-20G-BMA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-20G-CIA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 40 GPM
M12-DC-20G-CJA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 60 GPM
M12-DC-20G-CKA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 15 to 100 GPM
M12-DC-20G-CLA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 20 to 150 GPM
M12-DC-20G-CMA-XX-1 N/A 2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 30 to 200 GPM
M12-DC-20G-BIA-HX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 40 GPM
M12-DC-20G-BJA-HX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-20G-BKA-HX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-20G-BLA-HX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 20 to 150 GPM
M12-DC-20G-BMA-HX-1 N/A 2" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-25G-BJA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-25G-BKA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-25G-BLA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 20 to 150 GPM
M12-DC-25G-BMA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-25G-CJA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 5 to 60 GPM
M12-DC-25G-CKA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 15 to 100 GPM
M12-DC-25G-CLA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 20 to 150 GPM
M12-DC-25G-CMA-XX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 30 to 200 GPM
M12-DC-25G-BJA-HX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 5 to 60 GPM
M12-DC-25G-BKA-HX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 15 to 100 GPM
M12-DC-25G-BLA-HX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 20 to 150 GPM
M12-DC-25G-BMA-HX-1 N/A 2-1/2" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-30G-BMA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-30G-BNA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-30G-BOA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-30G-BPA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 60 to 500 GPM
M12-DC-30G-CMA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 30 to 200 GPM
M12-DC-30G-CNA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 40 to 300 GPM
M12-DC-30G-COA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 400 GPM
M12-DC-30G-CPA-XX-1 N/A 3" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 60 to 500 GPM
M12-DC-30G-BMA-HX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 30 to 200 GPM
M12-DC-30G-BNA-HX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-30G-BOA-HX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-30G-BPA-HX-1 N/A 3" Wafer Flange N/A Bronze N/A Buna-N N/A 60 to 500 GPM
M12-DC-40G-BNA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-40G-BOA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-40G-BQA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-40G-BRA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-40G-CNA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 40 to 300 GPM
M12-DC-40G-COA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 400 GPM
M12-DC-40G-CQA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 60 to 600 GPM
M12-DC-40G-CRA-XX-1 N/A 4" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 100 to 800 GPM
M12-DC-40G-BNA-HX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-40G-BOA-HX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-40G-BQA-HX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-40G-BRA-HX-1 N/A 4" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-50G-BNA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-50G-BOA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-50G-BQA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-50G-BRA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-50G-CNA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 40 to 300 GPM
M12-DC-50G-COA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 400 GPM
M12-DC-50G-CQA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 600 GPM
M12-DC-50G-CRA-XX-1 N/A 5" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 100 to 800 GPM
M12-DC-50G-BNA-HX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 40 to 300 GPM
M12-DC-50G-BOA-HX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 400 GPM
M12-DC-50G-BQA-HX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-50G-BRA-HX-1 N/A 5" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-60G-BQA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-60G-BRA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-60G-BSA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 150 to 1000 GPM
M12-DC-60G-BTA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 300 to 2000 GPM
M12-DC-60G-CQA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 600 GPM
M12-DC-60G-CRA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 100 to 800 GPM
M12-DC-60G-CSA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 150 to 1000 GPM
M12-DC-60G-CTA-XX-1 N/A 6" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 300 to 2000 GPM
M12-DC-60G-BQA-HX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-60G-BRA-HX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 100 to 800 GPM
M12-DC-60G-BSA-HX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 150 to 1000 GPM
M12-DC-60G-BTA-HX-1 N/A 6" Wafer Flange N/A Bronze N/A Buna-N N/A 300 to 2000 GPM
M12-DC-80G-BQA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-80G-BSA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 150 to 1000 GPM
M12-DC-80G-BTA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 300 to 2000 GPM
M12-DC-80G-BUA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 400 to 3000 GPM
M12-DC-80G-CQA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 50 to 600 GPM
M12-DC-80G-CSA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 150 to 1000 GPM
M12-DC-80G-CTA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 300 to 2000 GPM
M12-DC-80G-CUA-XX-1 N/A 8" Wafer Flange N/A Bronze N/A Fluorocarbon (FKM) N/A 400 to 3000 GPM
M12-DC-80G-BQA-HX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 50 to 600 GPM
M12-DC-80G-BSA-HX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 150 to 1000 GPM
M12-DC-80G-BTA-HX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 300 to 2000 GPM
M12-DC-80G-BUA-HX-1 N/A 8" Wafer Flange N/A Bronze N/A Buna-N N/A 400 to 3000 GPM
Unit of Measure
1 2