Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Test Instruments & Gauges
  4. /
  5. Flow Measuring Instruments

Flow Measuring Instruments (691 items) - Page 3

Gems Sensors Flow Rate Indicator, Rotor, 20 GPM Max RFI, 142542
Gems Sensors

Flow Rate Indicator, Rotor, 20 GPM Max

Zoro # G2866175
Mfr # RFI, 142542
product price:  $219.99
/ea
Gems Sensors Flow Rate Indicator, Rotor, 30 GPM Max RFI, 180392
Gems Sensors

Flow Rate Indicator, Rotor, 30 GPM Max

Zoro # G1913301
Mfr # RFI, 180392
product price:  $215.99
/ea
Gems Sensors Flow Rate Monitor, Rotor, 60 GPM Max RFO, 194762
Gems Sensors

Flow Rate Monitor, Rotor, 60 GPM Max

Zoro # G2206574
Mfr # RFO, 194762
product price:  $332.99
/ea
J.W. Winco GN743.5-18-G3/4-A Oil Sight Glass 743.5-18-G3/4-A
J.W. Winco

GN743.5-18-G3/4-A Oil Sight Glass

Zoro # G4665774
Mfr # 743.5-18-G3/4-A
product price:  $40.55
/ea
Oil-Rite 303 SS Window Flow Sights - 3/4in. dia, 3/4in. Female NPT, 3/4in. Female NPT, Viton B4766-5V
Oil-Rite

303 SS Window Flow Sights - 3/4in. dia, 3/4in. Female NPT, 3/4in. Female NPT, Viton

Zoro # G716547520
Mfr # B4766-5V
product price:  $84.39
/ea
Dixon In-Line Sight Glass, Clamp, 2" B54BMP-R200
Dixon

In-Line Sight Glass, Clamp, 2"

Zoro # G7146889
Mfr # B54BMP-R200
product price:  $333.99
/ea
Dixon Wilkerson by Self-Relieving Standard Compact Filter/Regulator with GC230 Gauge and Sight Glass, Zinc CB6-03MGMB
Dixon

Wilkerson by Self-Relieving Standard Compact Filter/Regulator with GC230 Gauge and Sight Glass, Zinc

Zoro # G609195869
Mfr # CB6-03MGMB
product price:  $281.34
/ea
J.W. Winco GN743.7-32-1-1/4-NPT-B Oil Sight Glass 125PTK9
J.W. Winco

GN743.7-32-1-1/4-NPT-B Oil Sight Glass

Zoro # G4706259
Mfr # 125PTK9
product price:  $48.75
/ea
Penberthy Gagecock, SS, 5/8 In.OD Glass, PR N7ASS
Penberthy

Gagecock, SS, 5/8 In.OD Glass, PR

Zoro # G4042455
Mfr # N7ASS
product price:  $1,597.99
/pr
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 26In L 1LG-26
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 26In L

Zoro # G4015121
Mfr # 1LG-26
product price:  $108.99
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 13In L 1LG-13
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 13In L

Zoro # G3957947
Mfr # 1LG-13
product price:  $56.15
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 48In L 1LG-48
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 48In L

Zoro # G4032795
Mfr # 1LG-48
product price:  $196.99
/ea
Penberthy Glass Rod Kit, Red Line, 3/4In Dia, 36In L LG-36R
Penberthy

Glass Rod Kit, Red Line, 3/4In Dia, 36In L

Zoro # G3951376
Mfr # LG-36R
product price:  $192.99
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 16In L 1LG-16
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 16In L

Zoro # G3955174
Mfr # 1LG-16
product price:  $64.79
/ea
Penberthy Glass Rod Kit, Red Line, 5/8In Dia, 8In L 1LG-8R
Penberthy

Glass Rod Kit, Red Line, 5/8In Dia, 8In L

Zoro # G4062186
Mfr # 1LG-8R
product price:  $39.65
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 8In L 1LG-8
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 8In L

Zoro # G3998976
Mfr # 1LG-8
product price:  $38.55
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 14In L 1LG-14
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 14In L

Zoro # G4098595
Mfr # 1LG-14
product price:  $60.49
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 9In L 1LG-9
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 9In L

Zoro # G3972351
Mfr # 1LG-9
product price:  $38.59
/ea
Gems Sensors Flow Rate Monitor, Rotor, 20 GPM Max RFO, 156262
Gems Sensors

Flow Rate Monitor, Rotor, 20 GPM Max

Zoro # G0994917
Mfr # RFO, 156262
product price:  $310.99
/ea
Dwyer Instruments Sight flow indicator, 1/4" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg). SFI-300-1/4
Dwyer Instruments

Sight flow indicator, 1/4" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg).

Zoro # G7493857
Mfr # SFI-300-1/4
product price:  $297.99
/ea
Gems Sensors Flow Rate Monitor, Rotor, 5 GPM Max RFO, 156261
Gems Sensors

Flow Rate Monitor, Rotor, 5 GPM Max

Zoro # G2649245
Mfr # RFO, 156261
product price:  $311.99
/ea
Penberthy Glass Rod Kit, Plain, 5/8In Dia, 17In L 1LG-17
Penberthy

Glass Rod Kit, Plain, 5/8In Dia, 17In L

Zoro # G4151323
Mfr # 1LG-17
product price:  $74.99
/ea
Penberthy Glass Rod Kit, Plain, 3/4In Dia, 42In L LG-42
Penberthy

Glass Rod Kit, Plain, 3/4In Dia, 42In L

Zoro # G4219187
Mfr # LG-42
product price:  $200.99
/ea
Penberthy Glass Rod Kit, Red Line, 5/8In Dia, 18In L 1LG-17R
Penberthy

Glass Rod Kit, Red Line, 5/8In Dia, 18In L

Zoro # G4046734
Mfr # 1LG-17R
product price:  $80.69
/ea
J.W. Winco GN743-14-M20X1.5-A Oil Sight Glass 743-14-M20X1.5-A
J.W. Winco

GN743-14-M20X1.5-A Oil Sight Glass

Zoro # G4721555
Mfr # 743-14-M20X1.5-A
product price:  $11.69
/ea
Weil Mclain Water Gauge Cock, 1/2" 510-218-145
Weil Mclain

Water Gauge Cock, 1/2"

Zoro # G8926272
Mfr # 510-218-145
product price:  $144.99
/ea
J.W. Winco GN743.1-14-G1/2-A Oil Sight Glass Aluminum 743.1-14-G1/2-A
J.W. Winco

GN743.1-14-G1/2-A Oil Sight Glass Aluminum

Zoro # G4715955
Mfr # 743.1-14-G1/2-A
product price:  $15.89
/ea
J.W. Winco GN743.7-11-3/8-NPT-A Oil Sight Glass 6PTK0
J.W. Winco

GN743.7-11-3/8-NPT-A Oil Sight Glass

Zoro # G4709278
Mfr # 6PTK0
product price:  $21.89
/ea
Dwyer Instruments Multi-Jet water meter, 1-1/2" pipe size, NSF Certified, brass body with 100 gal pulse output. WNT-A-C-07-100
Dwyer Instruments

Multi-Jet water meter, 1-1/2" pipe size, NSF Certified, brass body with 100 gal pulse output.

Zoro # G810389439
Mfr # WNT-A-C-07-100
product price:  $487.99
/ea
J.W. Winco GN743.7-14-1/2-NPT-B Oil Sight Glass 8PTK6
J.W. Winco

GN743.7-14-1/2-NPT-B Oil Sight Glass

Zoro # G4705297
Mfr # 8PTK6
product price:  $16.15
/ea
J.W. Winco GN743-32-M42X1.5-A Oil Sight Glass 743-32-M42X1.5-A
J.W. Winco

GN743-32-M42X1.5-A Oil Sight Glass

Zoro # G4715550
Mfr # 743-32-M42X1.5-A
product price:  $19.99
/ea
J.W. Winco GN743-11-M16X1.5-B Oil Sight Glass 743-11-M16X1.5-B
J.W. Winco

GN743-11-M16X1.5-B Oil Sight Glass

Zoro # G4715806
Mfr # 743-11-M16X1.5-B
product price:  $13.45
/ea
Oil-Rite Fused Window Sights - 3/4in. NPTF, 1 1/16in., None, Not Applicable, 25/32in. A2890-4
Oil-Rite

Fused Window Sights - 3/4in. NPTF, 1 1/16in., None, Not Applicable, 25/32in.

Zoro # G916547375
Mfr # A2890-4
product price:  $7.19
/ea
Sold in mult. of 2 for $14.38
Oil-Rite 303 Stainless Steel Window Flow Sights - 9/16in. dia, 1/2in. Female NPT, 1/2in. Female NPT, Buna-N B4766-4B
Oil-Rite

303 Stainless Steel Window Flow Sights - 9/16in. dia, 1/2in. Female NPT, 1/2in. Female NPT, Buna-N

Zoro # G216547556
Mfr # B4766-4B
product price:  $90.45
/ea
J.W. Winco GN743-18-G3/4-B Oil Sight Glass 743-18-G3/4-B
J.W. Winco

GN743-18-G3/4-B Oil Sight Glass

Zoro # G4721485
Mfr # 743-18-G3/4-B
product price:  $14.89
/ea
J.W. Winco GN743.3-18-G3/4-A Oil Sight Glass Brass 743.3-18-G3/4-A
J.W. Winco

GN743.3-18-G3/4-A Oil Sight Glass Brass

Zoro # G4705254
Mfr # 743.3-18-G3/4-A
product price:  $23.29
/ea
Flow Measuring Instruments (691 items) - Page 3
  • First
  • Previous
  • 3
    of 20 pages
  • Next
  • Last
How was your search?

About Flow Measuring Instruments

Flow Measuring Instruments are used to measure the rate of flow of liquids, gases, and other substances. This measurement is important in many industries and processes, as it helps ensure that the correct amount of a substance is being used or produced.

Types of Flow Measuring Instruments

There are a variety of different types of Flow Measuring Instruments available. Each type has its own unique features and benefits depending on the application. Some popular types include turbine flowmeters, differential pressure flowmeters, magnetic flowmeters, ultrasonic flowmeters, and variable area meters.

How Flow Measuring Instruments are Made

Flow Measuring Instruments are typically made from materials such as stainless steel or aluminum alloy. They also require components such as transmitters, sensors, valves, switches, and regulators to operate correctly. In addition to these components they may also require software for programming or data analysis.

Industries that use Flow Measuring Instruments

Flow measuring instruments are widely used in many industries including oil & gas production, water treatment plants, chemical processing plants, power plants and manufacturing facilities. Professionals in these fields rely on accurate measurements to ensure efficient operations.

Find the Flow Measuring Instruments You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of flow measuring instruments, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.

Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Pressure & Vacuum MeasuringElectrical Testing & MeasuringTemperature & Humidity MeasuringGas & Leak Detection TestingTest & Measurement Products
Data Collection ProductsElectronic & Bench TestingProcess MonitoringTest Instrument & Gauge PartsAir Movement
3/4 sealtitesight flow indicator 2"1/2 flexzilla1" npt sight glass1/2 in mnpt
3/4 in sealtight3/4 in all threadsight flow indicator 1"dwyer flow indicator3/4" curb stop

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc