Dwyer Instrumentation

Dwyer Instruments has long been recognized as a global leader in pressure, flow, and air quality measurement solutions. At RSP Supply, we carry a comprehensive selection of Dwyer instrumentation designed to deliver fast, accurate, and reliable data in industrial, commercial, and HVAC applications.

From pressure gauges and transmitters to air velocity sensors, temperature controllers, and process monitors, Dwyer provides dependable tools for critical measurement and control tasks. Built for performance and durability, these instruments perform consistently even in rugged, high-demand environments.

Dwyer’s advanced technology ensures that engineers and technicians get the precision and consistency they need without constant recalibration. The brand’s commitment to straightforward, high-quality instrumentation has made it a trusted name in process automation, manufacturing, and air handling systems around the world.

Whether you need pressure transmitters, flow switches, or differential pressure gauges, RSP Supply has the Dwyer products to keep your systems running efficiently and accurately.

Found 9944 items
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Found 9944 items
Manufacturer
Dwyer Instruments (9944)
Component
1 Oz Dispenser Bottle Fluorescein Green Color Concentrate (1)
1 Oz Dispenser Bottle Of Blue Gauge Fluid (1)
1 Oz Dispenser Bottle Of Red Gauge Fluid (1)
1 Oz Dispenser Bottle Of Violet Gauge Fluid (1)
1 Pt Bottle Of Red Gauge Fluid (1)
1 Pt Bottle Of Violet Gauge Fluid (1)
1 Qt Bottle Of Red Gauge Fluid (1)
1-1/2" Control Valve (1)
1-1/4" Control Valve (2)
1" Control Valve (2)
Sub Component
3-Valve Block Manifold (5)
5-Valve Block Manifold (5)
Angle Seat Valve (24)
Brass Ball Valve (12)
Brass Inline Check Valve (11)
Brass Solenoid Valves – 2-Way Guided Nc (36)
Brass Solenoid Valves – 2-Way Guided No (20)
Brass Y-Strainer (8)
Bulk Head Connector (5)
Butterfly Valve (5)
(Instrument-Sensor) Application
Air (575)
Air And Compatible Combustible Gases (30)
Air And Compatible Gases (99)
Air And Non-Combustible Compatible Gases (592)
Air And Non-Combustible Gases (12)
Air And Non-Conductive Gases (96)
Air And Non-Conductive/Non-Corrosive Gases (61)
Air And Non-Corrosive Gases (17)
Bulk Solids (57)
Clean Liquids (28)
(Instrument-Sensor) Contact Configuration
1-Normally Closed (12)
1-Normally Open (12)
1-Normally Open Or Closed (5)
(Instrument-Sensor) Hazardous Location Class
Class 1 Div 1 Explosion Proof (2)
Class 1 Div 1 Intrinsically Safe (11)
Class I - Div I Groups A-D (32)
Class I - Div. 1 & 2 (21)
Class I - Group C & D; Class II - Group E-G; Division I & II (162)
Class I - Groups A-D (80)
Class I - Groups C And D (10)
Class II - Groups E-G (90)
(Instrument-Sensor) Indication
Digital (16)
High Level-Alarm (17)
Low Level-Alarm (17)
(Instrument-Sensor) IP Protection
IP10 (32)
IP20 (94)
IP21 (6)
IP30 (13)
IP40 (4)
IP51 (6)
IP54 (235)
IP56 (16)
IP65 (255)
IP66 (557)
(Instrument-Sensor) Measurement Accuracy
0.05% (24)
0.08% (43)
0.10% (92)
0.13% (10)
0.20% (86)
0.22% (24)
0.25% (727)
0.30% (86)
0.40% (35)
0.50 - 2% (3)
(Instrument-Sensor) NEMA Protection
NEMA 1 (73)
NEMA 3 (104)
NEMA 3R (19)
NEMA 3S (8)
NEMA 4 (74)
NEMA 4/4X (36)
NEMA 4X (630)
NEMA 6 (2)
NEMA 6P (15)
NEMA 7 (178)
(Instrument-Sensor) Output Signal Type
2" Scale (57)
4-20 Ma 2 Wire (Loop Powered) (58)
5" Scale (42)
10" Scale (36)
(Instrument-Sensor) Size
0.5" (36)
0.25" (42)
0.63" (17)
0.125" (57)
1.1875" (11)
1" (11)
3.4375" (17)
(Instrument-Sensor) Span
.001 GPM - .01 GPM (2)
.1 GPM - 1 GPM (2)
.01 LPM - 100 CCM (2)
.1 LPM - 1000 CCM (2)
.01 SCFH - .1 SCFH (2)
.002 GPM - .024 GPM (2)
.2 GPM - 2.2 GPM (2)
.2 LPM - 2500 CCM (2)
.2 SCFH - 2 SCFH (2)
.03 LPM - 240 CCM (2)
(Instrument-Sensor) Supply Voltage
3 V Lithium Battery (13)
3.6 V Battery (6)
3.7 V Lithium Battery (4)
5 VDC (31)
6-9 VDC (37)
8-14 VDC (23)
8-30 VDC (6)
8-33 VDC (23)
9 V Battery (109)
9-24 VDC (25)
(Instrument-Sensor) Temperature Range
-4 - 104°F/-20 - 40°C (4)
-4 - 122°F/-20 - 50°C (21)
-4 - 140°F/-20 - 60°C (151)
-4 - 149°F/-20 - 65°C (47)
-4 - 158°F/-20 - 70°C (120)
-4 - 176°F/-20 - 80°C (70)
-4 - 185°F/-20 - 85°C (7)
-4 - 220°F/-20 - 104°C ATEX: -4 - 194°F/-20 - 90°C (8)
-4 - 250°F/-20 - 121°C (27)
-4 - 257°F/-20 - 125°C (32)
(Instrument-Sensor) Type
1 Switch Level (29)
Adjustable (8)
Adjustable Flow Switch (8)
All Fluoropolymer (14)
Averaging Flow Sensor (10)
Bimetal (101)
Bourdon Tube (106)
Bulk Flow Monitor (3)
Bullet Nose (39)
Button (4)
(Instrument-Sensor) Type of Operator
No Valve (68)
Stainless Steel Valve (67)
Normally In Stock
Dwyer A-297 Dessicant Vent Filter
Free U.S Ground shipping
$38.28
$31.90
Normally In Stock
Dwyer Mercoid CFS2-CNBPN-20 Mechanical Float Switch
Free U.S Ground shipping
$68.18
$56.82
Normally In Stock
Dwyer Mercoid SBLT2-5-40 Submersible Level Transmitter
Free U.S Ground shipping
$684.19
$570.16
Normally In Stock
Dwyer RMA-26-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer Mercoid SBLT2-10-40 Submersible Level Transmitter
Free U.S Ground shipping
$684.19
$570.16
Normally In Stock
Dwyer Mercoid ULT-11 Explosion Proof Ultrasonic Level Transmitter
Free U.S Ground shipping
$2307.44
$1922.87
Normally In Stock
Dwyer 628-10-GH-P1-E1-S1 Pressure Transmitter
Free U.S Ground shipping
$160.52
$133.77
Normally In Stock
Dwyer Mercoid SBLT2-15-60 Submersible Level Transmitter
Free U.S Ground shipping
$772.64
$643.87
Normally In Stock
Dwyer Mercoid PBLT2-5-40-PU Submersible Level Transmitter
Free U.S Ground shipping
$1070.06
$891.72
Normally In Stock
Dwyer RMB-49-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$116.68
$97.23
Normally In Stock
Dwyer RMA-7-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer Mercoid PBLT2-10-40-PU Submersible Level Transmitter
Free U.S Ground shipping
$1070.06
$891.72
Normally In Stock
Dwyer Mercoid PBLTX-10-40-PU Submersible Level Transmitter
Free U.S Ground shipping
$1296.29
$1080.24
Normally In Stock
Dwyer 628-11-GH-P1-E4-S1 Pressure Transmitter
Free U.S Ground shipping
$164.12
$136.77
Normally In Stock
Dwyer 628-13-GH-P1-E1-S1 Pressure Transmitter
Free U.S Ground shipping
$160.52
$133.77
Normally In Stock
Dwyer Mercoid MPCJR Advanced Duplex Pump Controller
Free U.S Ground shipping
$897.58
$747.98
Normally In Stock
Dwyer LFME-14-F2 Polycarbonate Flowmeter
Free U.S Ground shipping
$235.36
$196.13
Normally In Stock
Dwyer Mercoid FBLT-2SC-IVPP-10-40 Submersible Level Transmitter
Free U.S Ground shipping
$1224.68
$1020.57
Normally In Stock
Dwyer RMA-1-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer RMA-45 Water and Liquid Flow Meter
Free U.S Ground shipping
$69.50
$57.92
Normally In Stock
Dwyer RMC-143-SSV Water and Liquid Flow Meter
Free U.S Ground shipping
$282.20
$235.17
Normally In Stock
Dwyer RMB-55-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$116.68
$97.23
Normally In Stock
Dwyer RMC-121-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$282.20
$235.17
Normally In Stock
Dwyer RMB-53-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$116.68
$97.23
Normally In Stock
Dwyer RMA-2-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer RMA-8-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer Mercoid PBLT2-10-60-PU Submersible Level Transmitter
Free U.S Ground shipping
$1158.52
$965.43
Normally In Stock
Dwyer 628-11-GH-P1-E1-S1 Pressure Transmitter
Free U.S Ground shipping
$160.52
$133.77
Normally In Stock
Dwyer Mercoid FSW2-CNPN-20 Mechanical Float Switch
Free U.S Ground shipping
$159.47
$132.89
Normally In Stock
Dwyer TSWB-010 Digital Temperature/Water Level Switch
Free U.S Ground shipping
$196.54
$163.78
Normally In Stock
Dwyer Mercoid FSW2-DNPN-20 Mechanical Float Switch
Free U.S Ground shipping
$159.47
$132.89
Normally In Stock
Dwyer Mercoid FSW2-DNPN-30 Mechanical Float Switch
Free U.S Ground shipping
$180.01
$150.01
Normally In Stock
Dwyer 628-07-GH-P1-E1-S1 Pressure Transmitter
Free U.S Ground shipping
$160.52
$133.77
Normally In Stock
Dwyer Mercoid PBLT2-15-60-PU Submersible Level Transmitter
Free U.S Ground shipping
$1158.52
$965.43
Normally In Stock
Dwyer Mercoid SBLT2-20-60 Submersible Level Transmitter
Free U.S Ground shipping
$772.64
$643.87
Normally In Stock
Dwyer Mercoid EDAW-N1E1-05T0 Pressure Controller
Free U.S Ground shipping
$637.54
$531.28
Normally In Stock
Dwyer RMA-3-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer RMA-11-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer RMA-12-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$92.20
$76.83
Normally In Stock
Dwyer RMC-101-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$282.20
$235.17
Normally In Stock
Dwyer RMB-57-SSV Air and Gas Flow Meter
Free U.S Ground shipping
$116.68
$97.23
Normally In Stock
Dwyer RSV1L Pilot Solenoid Valve
Free U.S Ground shipping
$102.82
$85.68
Normally In Stock
Dwyer VFA-42 Visi-Float® Acrylic Flowmeter
Free U.S Ground shipping
$59.23
$49.36
Normally In Stock
Dwyer WMT2-A-C-02-1 Multi-Jet Water Meter
Free U.S Ground shipping
$177.32
$147.77
Normally In Stock
Dwyer MVS-4 Miniature Vacuum Switch
Free U.S Ground shipping
$41.23
$34.36
Normally In Stock
Dwyer 122095-04 General Purpose Thermocouple
Free U.S Ground shipping
$205.84
$171.53
Normally In Stock
Dwyer TS-2 PTC Sensor
Free U.S Ground shipping
$28.90
$24.08
Normally In Stock
Dwyer TS-8T NTC Sensor
Free U.S Ground shipping
$28.90
$24.08

FAQs

Q: What types of products does Dwyer Instruments manufacture?
Dwyer produces instrumentation for measuring pressure, flow, temperature, level, air velocity, and air quality in industrial, commercial, and HVAC applications.

Q: What are some of Dwyer’s most recognized products?
Well-known Dwyer products include Magnehelic differential pressure gauges, Digihelic controllers, flow meters, air velocity sensors, and Love Controls temperature controllers.

Q: Does Dwyer offer digital or smart instrumentation?
Yes. Many Dwyer instruments feature digital displays, electronic transmitters, and communication options such as Modbus or BACnet for integration with control systems.

Q: How do I select the correct Dwyer instrument for my application?
Selection depends on the variable being measured, required measurement range, environmental conditions, mounting method, and integration needs with control or monitoring systems.

Q: Where is Dwyer Instruments based?
Dwyer Instruments is headquartered in Michigan City, Indiana, and supplies measurement solutions to customers worldwide through distributors and industrial channels. 

Why Buy Dwyer Instrumentation from RSP Supply 

RSP Supply offers a comprehensive range of Dwyer instrumentation trusted for accurate measurement and reliable performance. Our catalog supports industrial, commercial, and HVAC applications with clearly specified products designed for professional use. Customers rely on RSP Supply for dependable manufacturers, detailed technical information, and instrumentation solutions that support efficient and accurate system operation.