We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (800) 233-9926
Telog: 888‑835‑6437 (Press #1)

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010
Telog: 888‑835‑6437 (Press #1)

Request a quote

Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For product support
Municipal Water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010
Wyco Concrete solutions: (877) 243–1010
Telog: 888‑835‑6437 (Press #1)

SDI Series Flow Sensor

View & Configure CAD/BIM Drawings

SDI Series Flow Sensor

The SDI Series flow sensor offers unparalleled performance for liquid flow measurement in closed pipe systems in an easy-to-install economical package. Impeller sensors offer a quick response to changes in flow rate and are well suited to flow control and batch type applications in addition to flow monitoring. The new four-bladed impeller design is rugged, non-fouling and does not require custom calibration.

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Size

68...914 mm

1-1/2...36 in.

Temperature Range

–10…65° C

14...150° F

Flow Range

0.3…6.1 m/sec

1...20 ft/sec

Pressure Range

Up to 68 bar

Up to 1000 PSI

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Features
Certifications
Specifications
Market Applications
Documentation
Software & Firmware
Parts & Accessories

Rugged, non-fouling. No custom calibration required.

Intended for general clean liquid flow measurement applications.

Single direction powered insert with raw, scaled pulse and analog output
Bi-directional powered insert with analog and scaled pulse output
Battery powered insert with a local and remote display and scaled pulse output

Product Certifications

NSF 372 Badger Meter All Listed Products

NSF

Prohibits the use of lead as an intentional additive in wetted materials and components of products, meeting the definition of “lead free” within the specific provision of the U.S. Safe Drinking Water Act (SDWA)

NSF 61 Listings

NSF

Product Specifications

View & Configure CAD/BIM Drawings Download CSI Specifications

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Operating Temperature

Electronics –10…65 °C
LCD –20…65 °C

Electronics 14…150 °F
LCD –4…150 °F

Maximum Pressure Rating Stainless Steel (Non Shock)

1000 psi (68.9 bar) @ 70° F (21° C)
900 psi (62 bar) @ 100° F (37.8° C)
670 psi (46.1 bar) @ 140° F (60° C)
225 psi (15.5 bar) @ 180° F (82° C)
600 psi (41.3 bar) @ up to 140° F (60° C)
225 psi (15.5 bar) @ 180° F (82° C)

Optimum Design Flow Range

1…20 ft/sec. (0.30…6 m/sec.)
Extended flow range < 0.5…20 fps

Pressure Drop

0.5 psi or less at 10 ft/sec (3 m/sec.) for all pipe sizes 1.5 in. (38 mm) diameter and up

Accuracy

Standard: to ±1% of rate over optimum flow range

Straight Pipe Requirements

Install sensor in straight pipe section with a minimum distance of 10 diameters upstream and 5 diameters downstream to any bend, transition, or obstruction.

Repeatability

±0.5%

Enclosure

Sensor- battery: Polypropylene with Viton® sealed acrylic cover. Meets NEMA 6P specifications
Sensor: Polypropylene with Viton® sealed acrylic cover. Meets NEMA 4X specifications
Remote: Polycarbonate w/ Neoprene® sealed cover. Meets NEMA 4X specifications.

Sensor- battery: Polypropylene with Viton® sealed acrylic cover. Meets NEMA 6P specifications
Sensor: Polypropylene with Viton® sealed acrylic cover. Meets NEMA 4X specifications
Remote: Polycarbonate w/ Neoprene® sealed cover. Meets NEMA 4X specifications.

Programming

Battery powered version: A-303 connector cable and SDI Series software
Bidirectional, pulse, and analog versions: USB to DIC converter programming kit (840134-0002)

Battery powered version: A-303 connector cable and SDI Series software
Bidirectional, pulse, and analog versions: USB to DIC converter programming kit (840134-0002)

Display (Optional)

8 character, 3/8 in. (10 mm) LCD
STN (Super Twisted Nematic) display
Annunciators for rate, total, totalizer multipliers, low battery, flow direction

8 character, 3/8 in. (10 mm) LCD
STN (Super Twisted Nematic) display
Annunciators for rate, total, totalizer multipliers, low battery, flow direction

Accessories

USB to DIC converter programming kit (840134-0002)
ASDIB-20 programming kit- battery powered A-301 connector cable or USB
Battery powered version:
- 07101 5 ft (1.5 m) extension cable
- 07108 10 ft (3 m) extension cable
- 07102 20 ft (6 m) extension cable
- 07109 50 ft (15 m) extension cable

USB to DIC converter programming kit (840134-0002)
ASDIB-20 programming kit- battery powered A-301 connector cable or USB
Battery powered version:
- 07101 5 ft (1.5 m) extension cable
- 07108 10 ft (3 m) extension cable
- 07102 20 ft (6 m) extension cable
- 07109 50 ft (15 m) extension cable

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SDI Impeller Flow Meters: How They Work

Market Applications

Building Design, HVAC & Plumbing

Flow instrumentation solutions are a crucial aspect of building design, construction and operation for apartments, hospitals, schools, factories and other facilities. From HVAC and grounds management to plumbing and water services, our flow meters are specifically designed to provide solutions that are accurate and reliable, even under the most challenging conditions.

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APPLICATION EXAMPLES

Turf Irrigation | Municipal/Agricultural Irrigation
Utility Water Treatment & Distribution

Water and wastewater treatment facilities have the critical job of producing a safe supply of high-quality drinking water. Their operational processes are complex and involve a wide range of flow measurement tasks. These applications demand the highest flow meter accuracy and reliability, as well as long-term stability and a low cost-of-ownership. Badger Meter water treatment solutions meet the challenge and are part of our end-to-end portfolio of products for the water utility industry.

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Process & General Industry

To succeed in a competitive marketplace, manufacturers must deliver the right product on time, every time, as well as capitalize on opportunities for new products, while maximizing uptime and reducing production costs. These manufacturing and processing industries worldwide depend on precise measurement and control technology flow meters. Badger Meter flow meters produce consistently reliable performance to ensure proper blending, custody transfer and signal transmission as well as compliance with international industry standard requirements. Exceptionally durable flow meters and control products help keep production up and running.

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