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Sensors & Switches

Pressure, temperature, proximity, photoelectric, and level switches and transducers for monitoring and control.

Anderson-Bolds carries pressure, temperature, and level switches and transducers from Barksdale, United Electric, Robertshaw, and Ronan, plus proximity and photoelectric sensors from Autonics and Carlo Gavazzi. We match the range, output (SPDT/4-20mA), and enclosure rating to the application.

📡Not sure which to pick? Use the Pressure Switch Selector (coming soon)Pick a set point, deadband, and output for your pressure switch.→
All Sensors & SwitchesPressureTemperatureProximity & PhotoelectricLevel
581 products · showing 193–240
Sort:RelevancePrice: Low to HighPrice: High to LowName (A–Z)
AB 425H308 — Barksdale Pressure Transducer, 425H3-08, 1/4-18 inch SS NPT, 0-500 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-08, 1/4-18 inch SS NPT, 0-500 gauge PSI range, 4-20mA output

SKU: AB 425H308
Stock confirmed at order — usually ships from stock
$473.72
AB 425H310 — Barksdale Pressure Transducer, 425H3-10, 1/4-18 inch SS NPT, 0-1000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-10, 1/4-18 inch SS NPT, 0-1000 gauge PSI range, 4-20mA output

SKU: AB 425H310
Stock confirmed at order — usually ships from stock
$473.72
AB 425H312 — Barksdale Pressure Transducer, 425H3-12, 1/4-18 inch SS NPT, 0-2000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-12, 1/4-18 inch SS NPT, 0-2000 gauge PSI range, 4-20mA output

SKU: AB 425H312
Stock confirmed at order — usually ships from stock
$533.12
AB 425H313 — Barksdale Pressure Transducer, 425H3-13, 1/4-18 inch SS NPT, 0-3000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-13, 1/4-18 inch SS NPT, 0-3000 gauge PSI range, 4-20mA output

SKU: AB 425H313
Stock confirmed at order — usually ships from stock
$533.12
AB 425H314 — Barksdale Pressure Transducer, 425H3-14, 1/4-18 inch SS NPT, 0-4000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-14, 1/4-18 inch SS NPT, 0-4000 gauge PSI range, 4-20mA output

SKU: AB 425H314
Stock confirmed at order — usually ships from stock
$533.12
AB 425H315 — Barksdale Pressure Transducer, 425H3-15, 1/4-18 inch SS NPT, 0-5000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-15, 1/4-18 inch SS NPT, 0-5000 gauge PSI range, 4-20mA output

SKU: AB 425H315
Stock confirmed at order — usually ships from stock
$533.12
AB 425H317 — Barksdale Pressure Transducer, 425H3-17, 1/4-18 inch SS NPT, 0-7500 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-17, 1/4-18 inch SS NPT, 0-7500 gauge PSI range, 4-20mA output

SKU: AB 425H317
Stock confirmed at order — usually ships from stock
$533.12
AB 425H318 — Barksdale Pressure Transducer, 425H3-18, 1/4-18 inch SS NPT, 0-10000 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-18, 1/4-18 inch SS NPT, 0-10000 gauge PSI range, 4-20mA output

SKU: AB 425H318
Stock confirmed at order — usually ships from stock
$533.12
AB 425H321 — Barksdale Pressure Transducer, 425H3-21, 1/4-18 inch SS NPT, 0-30 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-21, 1/4-18 inch SS NPT, 0-30 gauge PSI range, 4-20mA output

SKU: AB 425H321
Stock confirmed at order — usually ships from stock
$429.17
AB 425H323 — Barksdale Pressure Transducer, 425H3-23, 1/4-18 inch SS NPT, 0-29.9 inches vacuum, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-23, 1/4-18 inch SS NPT, 0-29.9 inches vacuum, 4-20mA output

SKU: AB 425H323
Stock confirmed at order — usually ships from stock
$458.87
AB 425H325 — Barksdale Pressure Transducer, 425H3-01, 1/4-18 inch SS NPT, 0-5 gauge PSI range, 4-20mA output
Barksdale

Barksdale Pressure Transducer, 425H3-01, 1/4-18 inch SS NPT, 0-5 gauge PSI range, 4-20mA output

SKU: AB 425H325
Stock confirmed at order — usually ships from stock
$429.17
AB 426H301 — Barksdale Pressure Transducer, 426H3-01, 1/4-18 inch SS NPT, 0-15 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-01, 1/4-18 inch SS NPT, 0-15 gauge PSI range, 1-11 vdc output

SKU: AB 426H301
Stock confirmed at order — usually ships from stock
$429.17
AB 426H303 — Barksdale Pressure Transducer, 426H3-03, 1/4-18 inch SS NPT, 0-50 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-03, 1/4-18 inch SS NPT, 0-50 gauge PSI range, 1-11 vdc output

SKU: AB 426H303
Stock confirmed at order — usually ships from stock
$444.02
AB 426H304 — Barksdale Pressure Transducer, 426H3-04, 1/4-18 inch SS NPT, 0-100 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-04, 1/4-18 inch SS NPT, 0-100 gauge PSI range, 1-11 vdc output

SKU: AB 426H304
Stock confirmed at order — usually ships from stock
$444.02
AB 426H306 — Barksdale Pressure Transducer, 426H3-06, 1/4-18 inch SS NPT, 0-200 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-06, 1/4-18 inch SS NPT, 0-200 gauge PSI range, 1-11 vdc output

SKU: AB 426H306
Stock confirmed at order — usually ships from stock
$444.02
AB 426H307 — Barksdale Pressure Transducer, 426H3-07, 1/4-18 inch SS NPT, 0-300 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-07, 1/4-18 inch SS NPT, 0-300 gauge PSI range, 1-11 vdc output

SKU: AB 426H307
Stock confirmed at order — usually ships from stock
$458.87
AB 426H308 — Barksdale Pressure Transducer, 426H3-08, 1/4-18 inch SS NPT, 0-500 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-08, 1/4-18 inch SS NPT, 0-500 gauge PSI range, 1-11 vdc output

SKU: AB 426H308
Stock confirmed at order — usually ships from stock
$458.87
AB 426H310 — Barksdale Pressure Transducer, 426H3-10, 1/4-18 inch SS NPT, 0-1000 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-10, 1/4-18 inch SS NPT, 0-1000 gauge PSI range, 1-11 vdc output

SKU: AB 426H310
Stock confirmed at order — usually ships from stock
$473.72
AB 426H312 — Barksdale Pressure Transducer, 426H3-12, 1/4-18 inch SS NPT, 0-2000 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-12, 1/4-18 inch SS NPT, 0-2000 gauge PSI range, 1-11 vdc output

SKU: AB 426H312
Stock confirmed at order — usually ships from stock
$473.72
AB 426H313 — Barksdale Pressure Transducer, 426H3-13, 1/4-18 inch SS NPT, 0-3000 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-13, 1/4-18 inch SS NPT, 0-3000 gauge PSI range, 1-11 vdc output

SKU: AB 426H313
Stock confirmed at order — usually ships from stock
$473.72
AB 426H314 — Barksdale Pressure Transducer, 426H3-14, 1/4-18 inch SS NPT, 0-4000 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-14, 1/4-18 inch SS NPT, 0-4000 gauge PSI range, 1-11 vdc output

SKU: AB 426H314
Stock confirmed at order — usually ships from stock
$473.72
AB 426H315 — Barksdale Pressure Transducer, 426H3-15, 1/4-18 inch SS NPT, 0-5000 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-15, 1/4-18 inch SS NPT, 0-5000 gauge PSI range, 1-11 vdc output

SKU: AB 426H315
Stock confirmed at order — usually ships from stock
$473.72
AB 426H317 — Barksdale Pressure Transducer, 426H3-17, 1/4-18 inch SS NPT, 0-7500 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-17, 1/4-18 inch SS NPT, 0-7500 gauge PSI range, 1-11 vdc output

SKU: AB 426H317
Stock confirmed at order — usually ships from stock
$473.72
AB 426H318 — Barksdale Pressure Transducer, 426H3-18, 1/4-18 inch SS NPT, 0-10000 gauge PSI range, 1-11 vdc outpu
Barksdale

Barksdale Pressure Transducer, 426H3-18, 1/4-18 inch SS NPT, 0-10000 gauge PSI range, 1-11 vdc outpu

SKU: AB 426H318
Stock confirmed at order — usually ships from stock
$473.72
AB 426H321 — Barksdale Pressure Transducer, 426H3-21, 1/4-18 inch SS NPT, 0-30 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-21, 1/4-18 inch SS NPT, 0-30 gauge PSI range, 1-11 vdc output

SKU: AB 426H321
Stock confirmed at order — usually ships from stock
$444.02
AB 426H323 — Barksdale Pressure Transducer, 426H3-23, 1/4-18 inch SS NPT, 0-29.9 inches vacuum, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-23, 1/4-18 inch SS NPT, 0-29.9 inches vacuum, 1-11 vdc output

SKU: AB 426H323
Stock confirmed at order — usually ships from stock
$429.17
AB 426H325 — Barksdale Pressure Transducer, 426H3-25, 1/4-18 inch SS NPT, 0-5 gauge PSI range, 1-11 vdc output
Barksdale

Barksdale Pressure Transducer, 426H3-25, 1/4-18 inch SS NPT, 0-5 gauge PSI range, 1-11 vdc output

SKU: AB 426H325
Stock confirmed at order — usually ships from stock
$429.17
Carlo Gavazzi AB EI1202NPOSS — 12mm Gavazzi Inductive Proximity Switch EI1202NPOSS, 2mm range, DC input, NPN output
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1202NPOSS, 2mm range, DC input, NPN output

SKU: AB EI1202NPOSS
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1202PPOSS — 12mm Gavazzi Inductive Proximity Switch EI1202PPOSS, 2mm range, DC input, PNP output
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1202PPOSS, 2mm range, DC input, PNP output

SKU: AB EI1202PPOSS
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1202TBOSL — 12mm Gavazzi Inductive Proximity Switch EI1202TBOSL, 2mm range, AC input, SCR output
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1202TBOSL, 2mm range, AC input, SCR output

SKU: AB EI1202TBOSL
Stock confirmed at order — usually ships from stock
$148.50
Carlo Gavazzi AB EI1204NPOSL-1 — 12mm Gavazzi Inductive Proximity Switch EI1204NPOSL-1, 4mm range, DC input, NPN output, plug
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1204NPOSL-1, 4mm range, DC input, NPN output, plug

SKU: AB EI1204NPOSL-1
Stock confirmed at order — usually ships from stock
$108.90
Carlo Gavazzi AB EI1204NPOSS — 12mm Gavazzi Inductive Proximity Switch EI1204NPOSS, 4mm range, DC input, NPN output
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1204NPOSS, 4mm range, DC input, NPN output

SKU: AB EI1204NPOSS
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1204NPOSS-1 — 12mm Gavazzi Inductive Proximity Switch EI1204NPOSS-1, 4mm range, DC input, NPN output, plug
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1204NPOSS-1, 4mm range, DC input, NPN output, plug

SKU: AB EI1204NPOSS-1
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1204PPOSS — 12mm Gavazzi Inductive Proximity Switch EI1204PPOSS, 4mm range, DC input, PNP output
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1204PPOSS, 4mm range, DC input, PNP output

SKU: AB EI1204PPOSS
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1204PPOSS-1 — 12mm Gavazzi Inductive Proximity Switch EI1204PPOSS-1, 4mm range, DC input, PNP output, plug
Carlo Gavazzi

12mm Gavazzi Inductive Proximity Switch EI1204PPOSS-1, 4mm range, DC input, PNP output, plug

SKU: AB EI1204PPOSS-1
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB EI1805NPOSS — 18mm Gavazzi Inductive Proximity Switch EI1805NPOSS, 5mm range, DC input, NPN output
Carlo Gavazzi

18mm Gavazzi Inductive Proximity Switch EI1805NPOSS, 5mm range, DC input, NPN output

SKU: AB EI1805NPOSS
Stock confirmed at order — usually ships from stock
$108.90
Carlo Gavazzi AB EI1805TBOSS — 18mm Gavazzi Inductive Proximity Switch EI1805TBOSS, 5mm range, AC input, SCR output
Carlo Gavazzi

18mm Gavazzi Inductive Proximity Switch EI1805TBOSS, 5mm range, AC input, SCR output

SKU: AB EI1805TBOSS
Stock confirmed at order — usually ships from stock
$163.90
Carlo Gavazzi AB EI1808NPOSS — 18mm Gavazzi Inductive Proximity Switch EI1808NPOSS, 8mm range, DC input, NPN output
Carlo Gavazzi

18mm Gavazzi Inductive Proximity Switch EI1808NPOSS, 8mm range, DC input, NPN output

SKU: AB EI1808NPOSS
Stock confirmed at order — usually ships from stock
$108.90
Carlo Gavazzi AB EI1808PPOSS — 18mm Gavazzi Inductive Proximity Switch EI1808PPOSS, 8mm range, DC input, PNP output
Carlo Gavazzi

18mm Gavazzi Inductive Proximity Switch EI1808PPOSS, 8mm range, DC input, PNP output

SKU: AB EI1808PPOSS
Stock confirmed at order — usually ships from stock
$108.90
AB EI5515NPAP — Carlo Gavazzi Proximity Switch p/n EI5515NPAP, Flat Pack, 4 wire DC, NPN, 15mm range
Carlo Gavazzi

Carlo Gavazzi Proximity Switch p/n EI5515NPAP, Flat Pack, 4 wire DC, NPN, 15mm range

SKU: AB EI5515NPAP
Stock confirmed at order — usually ships from stock
$119.90
AB EI5515NPAP-1 — Carlo Gavazzi Proximity Switch p/n EI5515NPAP-1, Flat Pack, 4 wire DC, NPN, 15mm range
Carlo Gavazzi

Carlo Gavazzi Proximity Switch p/n EI5515NPAP-1, Flat Pack, 4 wire DC, NPN, 15mm range

SKU: AB EI5515NPAP-1
Stock confirmed at order — usually ships from stock
$119.90
AB EI5515PPAP — Carlo Gavazzi Proximity Switch p/n EI5515PPAP, Flat Pack, 4 wire DC,PNP, 15mm range
Carlo Gavazzi

Carlo Gavazzi Proximity Switch p/n EI5515PPAP, Flat Pack, 4 wire DC,PNP, 15mm range

SKU: AB EI5515PPAP
Stock confirmed at order — usually ships from stock
$119.90
AB EI5515PPAP-1 — Carlo Gavazzi Proximity Switch p/n EI5515PPAP-1, Flat Pack, 4 wire DC,PNP, 15mm range
Carlo Gavazzi

Carlo Gavazzi Proximity Switch p/n EI5515PPAP-1, Flat Pack, 4 wire DC,PNP, 15mm range

SKU: AB EI5515PPAP-1
Stock confirmed at order — usually ships from stock
$119.90
Carlo Gavazzi AB IA08BLN25NO — M8 Gavazzi Inductive Proximity Switch IA08BLN25NO, 2.5mm range, DC input, NPN output, 2m Cable
Carlo Gavazzi

M8 Gavazzi Inductive Proximity Switch IA08BLN25NO, 2.5mm range, DC input, NPN output, 2m Cable

SKU: AB IA08BLN25NO
Stock confirmed at order — usually ships from stock
$104.50
Carlo Gavazzi AB IA08BLN25NO M5 — M8 Gavazzi Inductive Proximity Switch IA08BLN25NO M5, 2.5mm range, DC input, NPN output, p…
Carlo Gavazzi

M8 Gavazzi Inductive Proximity Switch IA08BLN25NO M5, 2.5mm range, DC input, NPN output, plug

SKU: AB IA08BLN25NO M5
Stock confirmed at order — usually ships from stock
$108.90
Pepperl+Fuchs AB NBB1030GM50E0 — P+F Inductive Proximity Switch NBB1030GM50E0, 3-Wire DC, NPN, N.O., 10mm range, 30MM Diamet…
Pepperl+Fuchs

P+F Inductive Proximity Switch NBB1030GM50E0, 3-Wire DC, NPN, N.O., 10mm range, 30MM Diameter

SKU: AB NBB1030GM50E0
Stock confirmed at order — usually ships from stock
$82.50
Pepperl+Fuchs AB NBB1030GM50E0V1 — P+F Inductive Proximity Switch NBB1030GM50E0V1, 3-Wire DC, NPN, N.O., 10mm range, 30MM Di…
Pepperl+Fuchs

P+F Inductive Proximity Switch NBB1030GM50E0V1, 3-Wire DC, NPN, N.O., 10mm range, 30MM Diameter

SKU: AB NBB1030GM50E0V1
Stock confirmed at order — usually ships from stock
$82.50
Pepperl+Fuchs AB NBB1030GM50E2 — P+F Inductive Proximity Switch NBB1030GM50E2, 3-Wire DC, PNP, N.O., 10mm range, 30MM Diamet…
Pepperl+Fuchs

P+F Inductive Proximity Switch NBB1030GM50E2, 3-Wire DC, PNP, N.O., 10mm range, 30MM Diameter

SKU: AB NBB1030GM50E2
Stock confirmed at order — usually ships from stock
$82.50
Authorized lines

Brands in Sensors & Switches

Carlo Gavazzi logo — Anderson-Bolds is an authorized Carlo Gavazzi stocking distributor and manufacturer's representativeBarksdale logo — Anderson-Bolds is an authorized Barksdale stocking distributor and manufacturer's representativeFenwal logo — Anderson-Bolds is an authorized Fenwal manufacturer's representativeAutonics logo — Anderson-Bolds is an authorized Autonics stocking distributor and manufacturer's representativeRobertshaw logo — Anderson-Bolds is an authorized Robertshaw manufacturer's representativeUnited Electric Controls logo — Anderson-Bolds is an authorized United Electric Controls manufacturer's representativeRonan logo — Anderson-Bolds is an authorized Ronan manufacturer's representativeMDIPepperl+Fuchs

Sensors & Switches — questions buyers ask

What is the difference between a pressure switch and a transducer?

A pressure switch trips a contact at a set point (on/off). A transducer outputs a continuous signal (e.g. 4-20 mA) proportional to pressure for a controller or PLC to read.