All Instrumentation

RSP Supply offers a full range of reliable industrial instrumentation designed for precise measurement, monitoring, and control in automation, process, and manufacturing environments. Our products ensure accurate, real-time performance in applications that demand safety, consistency, and efficiency.

Precision measurement, monitoring, and control form the foundation of modern industrial operations. At the heart of every process lies a network of intelligent instruments that translate the physical world into actionable digital data. These devices monitor key parameters; such as pressure, flow, temperature, level, and speed, providing critical insights that help maintain smooth and efficient operations. Industrial instrumentation plays a vital role in ensuring accuracy and consistency. From individual sensors to multi-channel controllers, transmitters, and smart assemblies, these devices work together to collect and relay essential process information. Smart instrumentation not only measures and transmits data but also self-monitors its own performance, allowing control systems to make real-time adjustments that improve reliability, safety, and energy efficiency.

Whether you're building a new automation system or upgrading existing controls, RSP Supply provides the high-quality instrumentation solutions you need for dependable performance and accurate data acquisition.

Found 533 items
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Found 533 items
Manufacturer
ACI (533)
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 YR Fluke Premium Care (19)
1 YR Gold Support (130)
1-1/2" Control Valve (1)
(Instrument-Sensor) Indication
LCD (111)
(Instrument-Sensor) Measurement Accuracy
0.25% (193)
0.50% (231)
(Instrument-Sensor) NEMA Protection
NEMA 4 (7)
(Instrument-Sensor) Output Signal Range
0 - 5 VDC (69)
0 - 10 VDC (154)
4 - 20 mAmp (188)
(Instrument-Sensor) Span
-0.5 - 0.5" W.C. (8)
-0.10 - 0.10" W.C. (11)
-0.25 - 0.25" W.C. (15)
-1 - 1" W.C. (10)
-2 - 2" W.C. (4)
-2.5 - 2.5" W.C. (2)
-3 - 3" W.C. (2)
-4 - 4" W.C. (1)
-5 - 5" W.C. (8)
-10 - 10" W.C. (6)
(Instrument-Sensor) Type
Differential Low Pressure (69)
Differential Pressure (406)
Gauge (25)
Pitot Tube (68)
Switch (12)
Wet-To-Wet (30)
Normally In Stock
ACI 125584 A/R-PUP Pressure
Free U.S Ground shipping
$38.02
$31.68
Normally In Stock
ACI 125585 A/SP-PUP Pressure
Free U.S Ground shipping
$33.41
$27.84
Normally In Stock
ACI 102957 SPT-3.5" Pitot Tube Pressure
Free U.S Ground shipping
$8.06
$6.72
Normally In Stock
ACI 135748 GP(0-200G)-20-P Gauge Pressure
Free U.S Ground shipping
$269.57
$224.64
Normally In Stock
ACI 106657 DBZ-06 Pitot Tube Pressure
Free U.S Ground shipping
$14.98
$12.48
Normally In Stock
ACI 130143 PT 9.7" Pitot Tube Pressure
Free U.S Ground shipping
$24.19
$20.16
Normally In Stock
ACI 135614 A/GP 6'HARNESS Gauge Pressure
Free U.S Ground shipping
$25.34
$21.12
Normally In Stock
ACI 135751 GP(0-15G)-20-P Gauge Pressure
Free U.S Ground shipping
$269.57
$224.64
Normally In Stock
ACI 143921 A/MLP2-001-W-U-B-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$202.75
$168.96
Normally In Stock
ACI 148578 A/MLP2-002-W-U-B-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$201.60
$168.00
Normally In Stock
ACI 147482 A/DLP-D10-W-B-D-A-0-C-0P-S Differential Pressure Pressure
Free U.S Ground shipping
$264.96
$220.80
Normally In Stock
ACI 143161 GP(0-50G)-20-P Gauge Pressure
Free U.S Ground shipping
$269.57
$224.64
Normally In Stock
ACI 142860 A/MLP2-010-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 136995 A/GP 40'HARNESS Gauge Pressure
Free U.S Ground shipping
$76.03
$63.36
Normally In Stock
ACI 116601 A/GP 10'HARNESS Gauge Pressure
Free U.S Ground shipping
$31.68
$26.40
Normally In Stock
ACI 125008 VPT-8" Pitot Tube Pressure
Free U.S Ground shipping
$10.37
$8.64
Normally In Stock
ACI 130142 PT 7.5" Pitot Tube Pressure
Free U.S Ground shipping
$21.31
$17.76
Normally In Stock
ACI 102423 DBL-205B Switch Pressure
Free U.S Ground shipping
$54.14
$45.12
Normally In Stock
ACI 103010 VPT Pitot Tube Pressure
Free U.S Ground shipping
$9.79
$8.16
Normally In Stock
ACI 101788 AFS-222 Switch Pressure
Free U.S Ground shipping
$73.15
$60.96
Normally In Stock
ACI 137105 A/0.25" SNUBBER A/G Gauge Pressure
Free U.S Ground shipping
$17.86
$14.88
Normally In Stock
ACI 142606 A/GP 2'HARNESS Gauge Pressure
Free U.S Ground shipping
$20.16
$16.80
Normally In Stock
ACI 142810 A/MLP2-D25-W-B-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$180.86
$150.72
Normally In Stock
ACI 140776 A/DLP-010-W-U-D-A-0 Differential Pressure Pressure
Free U.S Ground shipping
$225.22
$187.68
Normally In Stock
ACI 142848 A/MLP2-004-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142863 A/MLP2-015-W-U-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142864 A/MLP2-015-W-B-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142865 A/MLP2-015-W-B-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142866 A/MLP2-015-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142867 A/MLP2-020-W-U-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142868 A/MLP2-020-W-U-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142869 A/MLP2-020-W-U-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142870 A/MLP2-020-W-B-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142871 A/MLP2-020-W-B-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142872 A/MLP2-020-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142873 A/MLP2-025-W-U-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142874 A/MLP2-025-W-U-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142875 A/MLP2-025-W-U-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142876 A/MLP2-025-W-B-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142877 A/MLP2-025-W-B-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142878 A/MLP2-025-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142879 A/MLP2-030-W-U-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$166.46
$138.72
Normally In Stock
ACI 142880 A/MLP2-030-W-U-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142881 A/MLP2-030-W-U-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142882 A/MLP2-030-W-B-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142883 A/MLP2-030-W-B-A-B-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142884 A/MLP2-030-W-B-A-C-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04
Normally In Stock
ACI 142885 A/MLP2-040-W-U-A-A-0P Differential Pressure Pressure
Free U.S Ground shipping
$157.25
$131.04

FAQs

What is industrial instrumentation?

Industrial instrumentation refers to the devices and systems used to measure, monitor, and control physical processes such as flow, pressure, temperature, level, and more.

What types of measurements do instrumentation devices handle?

Instrumentation covers a wide range of variables including flow, pressure, temperature, level, pH, conductivity, vibration, speed, and chemical concentration.

What is the difference between a sensor and a transmitter?

A sensor detects the physical variable, while a transmitter converts that reading into a standardized electrical signal (like 4–20 mA) that a controller or PLC can interpret.

Why is accurate instrumentation important?

Accurate measurements prevent downtime, maintain product quality, improve safety, reduce waste, and help automation systems operate at peak efficiency.

What are the most common communication protocols in instrumentation?

HART, Modbus, Profibus, Foundation Fieldbus, and Ethernet/IP are common protocols used for transmitting measurement data and diagnostics.

Why Buy Industrial Instrumentation from RSP Supply

RSP Supply delivers dependable industrial instrumentation solutions that combine precision, reliability, and smart technology. With a broad selection of products, competitive pricing, and expert technical support, we help customers enhance accuracy, optimize processes, and ensure long-term operational success.