` Dwyer Products and Instruments - Alpha Controls
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Contact information
Address

361 Steelcase Road West
Unit 6
Markham, ON  L3R3V8 - Canada

Email

Phone

(905) 477-2133

Fax

(905) 477-4219

Dwyer

Dwyer Dwyer is a global leader in designing and manufacturing innovative controls, sensors and instrumentation solutions. That's because they work tirelessly to get it right - holding over 650 technical patents, a number that grows every year. Their product designs have been recognized by industry experts, resulting in measurement sensors that provide superior product performance. Dwyer takes great pride in the intellect and integrity of their employees who are passionate about the work they do, the products they develop, and the industries they serve.

In Stock* 1950 Explosion-Proof Differential Pressure Switch
Dwyer

1950 Explosion-Proof Differential Pressure Switch

Integral explosion-proof & weatherproof housing with easily accessible electrical connection

Starting At
$435.00 CAD Configure
In Stock* 2-5000 Minihelic II Differential Pressure Gage
Dwyer

2-5000 Minihelic II Differential Pressure Gage

Combines high accuracy, compactness, dependability, and low cost in an easy-to-read instrument

Starting At
$93.00 CAD Configure
DM-1000 DigiMag Digital Differential Pressure and Flow Gages
Dwyer

DM-1000 DigiMag Digital Differential Pressure and Flow Gages

Monitors the pressure of air and compatible gases

Starting At
$284.00 CAD Configure
PTGD Differential Pressure Piston-Type Gage
Dwyer

PTGD Differential Pressure Piston-Type Gage

Measures pressure drop, over-range protection rated to 3000 PSIG or 6000 PSIG

Starting At
$328.00 CAD Configure
PFG2 Process Filter Gage
Dwyer

PFG2 Process Filter Gage

Designed for determining the state of an inline filter

Starting At
$127.00 CAD Configure
MP Mini-Photohelic Differential Pressure Switch/Gage
Dwyer

MP Mini-Photohelic Differential Pressure Switch/Gage

Measures & controls positive, negative, or differential pressures of non-combustible & non-corrosive gases

Starting At
$643.00 CAD Configure
3000MR(S) Photohelic Switch/Gage
Dwyer

3000MR(S) Photohelic Switch/Gage

Highly repeatable differential pressure switch, easy-to-read analog pressure gage & adjustable switch setting,

Starting At
$815.00 CAD Configure
43000 Capsu-Photohelic Pressure Switch/Gage
Dwyer

43000 Capsu-Photohelic Pressure Switch/Gage

Highly repeatable pressure switches combined with a precise pressure gage, encapsulated sensing element, easy to adjust set point indicators

Starting At
$2,444.00 CAD Configure
1800 Low Differential Pressure Switch for General Industrial Service
Dwyer

1800 Low Differential Pressure Switch for General Industrial Service

Small size and low price with 2% repeatability, wide range of models from 0.07 in W.C. - 85 in W.C.

Starting At
$139.00 CAD Configure
1900 Compact Low Differential Pressure Switches
Dwyer

1900 Compact Low Differential Pressure Switches

Advanced design, precision construction, compact size, and repeatability; with set points from 0.07 in W.C. to 20 in W.C.

Starting At
$98.00 CAD Configure
1620 Single and Dual Pressure Switch
Dwyer

1620 Single and Dual Pressure Switch

Diaphragm sealed leak proof construction provide high reliability repetitive accuracy within ± 1%

Starting At
$599.00 CAD Configure
1630 Large Diaphragm Pressure Switches
Dwyer

1630 Large Diaphragm Pressure Switches

Visual set point adjustment in 5 standard ranges (0.05 in W.C. - 12 in W.C.) with repetitive accuracy within ± 1%

Starting At
$664.00 CAD Configure
1640 Floating Contact Null Switch for High and Low Actuation
Dwyer

1640 Floating Contact Null Switch for High and Low Actuation

Visual set point adjustment, adjustable null zone, and functions as a null switch

Starting At
$1,000.00 CAD Configure
PG Gas Pressure/Differential Pressure Switch
Dwyer

PG Gas Pressure/Differential Pressure Switch

± 1% of full scale repeatability, clear easy-to-read scale with convenient external setpoint adjustment

Call Today!
800-567-8686 ...or... Request Quote
MDS Miniature Pressure Switch
Dwyer

MDS Miniature Pressure Switch

Designed with a double diaphragm, low cost with a minimum 20 million cycle life expectancy and an extremely fast response time

Starting At
$50.00 CAD Configure
MDA Miniature Adjustable Pressure Switch
Dwyer

MDA Miniature Adjustable Pressure Switch

Field adjustable set point, gold inlay contacts, small and lightweight for applications where space is constrained

Starting At
$44.00 CAD Configure
A4 Differential Pressure Switch
Dwyer

A4 Differential Pressure Switch

Offers field adjustments and can handle system pressures up to 6000 PSIG

Starting At
$316.00 CAD Configure
ADPS / EDPS Differential Pressure Switch
Dwyer

ADPS / EDPS Differential Pressure Switch

Designed for pressure, vacuum, and differential pressures

Starting At
$35.00 CAD Configure
DX Wet/Wet Differential Pressure Switch
Dwyer

DX Wet/Wet Differential Pressure Switch

High static pressure rating of 200 PSIG, low differential set points, NEMA 4X weatherproof enclosure

Starting At
CAD Configure
TAC-L Portable Digital Tachometer
Dwyer

TAC-L Portable Digital Tachometer

Measures rotational speed, made of a strong & lightweight ABS plastic housing, large backlit LCD for visibility in dark areas

Buy Now!
$151.00 CAD
PM-2 Digital Pen Meter with Phase Rotation
Dwyer

PM-2 Digital Pen Meter with Phase Rotation

Measures AC/DC voltage, resistance, continuity, frequency, and phase roation

Buy Now!
$174.00 CAD
MM-2 Digital Multimeter with True RMS
Dwyer

MM-2 Digital Multimeter with True RMS

Measures DC/AC voltage and DC/AC current resistance, 4000 count digital display, high impact case

Buy Now!
$328.00 CAD
A3000 Photohelic Pressure Switch/Gage
Dwyer

A3000 Photohelic Pressure Switch/Gage

Versatile, highly repeatable pressure switches, measures and controls positive, negative or differential pressures of air and compatible gases

Starting At
$815.00 CAD Configure
AT-2000 ATEX Approved 2000 Magnehelic Differential Pressure Gage
Dwyer

AT-2000 ATEX Approved 2000 Magnehelic Differential Pressure Gage

Indicate positive, negative or differential pressures and is accurate within 2%, high impact strength and high temperature rated

Call Today!
800-567-8686 ...or... Request Quote
475 Intrinsically Safe Handheld Digital Manometer
Dwyer

475 Intrinsically Safe Handheld Digital Manometer

Measures positive, negative, or differential pressures of air and natural gases with a large, easy-to-read LCD

Starting At
$305.00 CAD Configure
476A/478A Single and Differential Pressure Digital Manometer
Dwyer

476A/478A Single and Differential Pressure Digital Manometer

Constructed of an extruded aluminum case for exceptional durability

Starting At
$232.00 CAD Configure
477AV Handheld Digital Manometer
Dwyer

477AV Handheld Digital Manometer

Available with pressure, flow, and velocity measurements

Starting At
$304.00 CAD Configure
490A Hydronic Differential Pressure Manometer
Dwyer

490A Hydronic Differential Pressure Manometer

Versatile, handheld, battery operated manometers

Starting At
$1,312.00 CAD Configure
477B Handheld Digital Manometer
Dwyer

477B Handheld Digital Manometer

Hand-held & battery operated manometers

Starting At
$685.00 CAD Configure
LPTK Gas Pressure Test Kit
Dwyer

LPTK Gas Pressure Test Kit

Ideal for testing LP & natural gas lines and controls

Starting At
$69.00 CAD Configure
BTK2 Backflow Prevention Test Kit
Dwyer

BTK2 Backflow Prevention Test Kit

Capable of testing hydronic systems with test procedures recommended by ASSE, AWWA, CSA, FCCC, HR-USV, & NEWWA

Buy Now!
$2,076.00 CAD
ASG Analog Signal Generator
Dwyer

ASG Analog Signal Generator

Ramp function, selectable auto shut off, LED bar graph visually indicates analog signal level

Buy Now!
$412.00 CAD
CSG Current/Voltage Signal Generator
Dwyer

CSG Current/Voltage Signal Generator

Ideal tool for troubleshooting transmitters, transducers, motors, and actuators

Buy Now!
$363.00 CAD
WM2/WMT2  Multi-Jet Water Meter
Dwyer

WM2/WMT2 Multi-Jet Water Meter

Designed for long service life and maintenance-free operation, easy installation with included coupling adapters

Starting At
$123.00 CAD Configure
Series DH3 Digihelic Differential Pressure Controller
Dwyer

Series DH3 Digihelic Differential Pressure Controller

3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output

Starting At
$616.00 CAD Configure
DHII Digihelic Differential Pressure Controller
Dwyer

DHII Digihelic Differential Pressure Controller

NEMA 4 housing with large & bright LCD, detachable terminal blocks reduce wiring difficulties

Starting At
$1,228.00 CAD Configure
DH Digihelic® Differential Pressure Controller
Dwyer

DH Digihelic® Differential Pressure Controller

3 in 1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output and a power usage of 120/220 VAC or 24 VDC

Starting At
$909.00 CAD Configure
Series 2000 Magnehelic Differential Pressure Gages
Dwyer

Series 2000 Magnehelic Differential Pressure Gages

Versatile low differential pressure gage with a wide choice models and options to choose from

Starting At
$102.00 CAD Configure
DPG Digital Pressure Gage
Dwyer

DPG Digital Pressure Gage

The Series DPG has a high ± 0.25% or ± 0.5% full-scale accuracy

Starting At
$385.00 CAD Configure
605 Magnehelic Differential Pressure Indicating Transmitter
Dwyer

605 Magnehelic Differential Pressure Indicating Transmitter

Visual monitoring and electronic control of very low differential pressure with an easy-to-read gage in durable and rugged housing

Starting At
$578.00 CAD Configure
DPGA / DPGW Digital Pressure Gage
Dwyer

DPGA / DPGW Digital Pressure Gage

Economical gage with selectable engineering units and with 1% or 0.5% accuracy for monitoring air and compatible gases or liquids

Starting At
$174.00 CAD Configure
TSW Weatherproof Digital Temperature Switch
Dwyer

TSW Weatherproof Digital Temperature Switch

NEMA 4X housing, universal high and low power supply models, field selectable engineering units

Starting At
$135.00 CAD Configure
472A-1 Dual Input Thermocouple Thermometer
Dwyer

472A-1 Dual Input Thermocouple Thermometer

Measures up to two temperature measurements simultaneously

Buy Now!
$157.00 CAD
TP2 Thermocouple Thermometer
Dwyer

TP2 Thermocouple Thermometer

Three models that measure the probe temperature, ambient temperature, and relative humidity

Buy Now!
$120.00 CAD
1230 / 1235 Flex-Tube Well-Type Manometers
Dwyer

1230 / 1235 Flex-Tube Well-Type Manometers

Provides highly accurate positive, negative, or differential pressure readings without the need for moving parts, hidden wells, or packing glands

Starting At
$617.00 CAD Configure
1227 Dual Range Flex-Tube U-Inclined Manometer
Dwyer

1227 Dual Range Flex-Tube U-Inclined Manometer

Clear shatterproof indicating tube

Starting At
$225.00 CAD Configure
1211 / 1212 Slack Tube Manometers
Dwyer

1211 / 1212 Slack Tube Manometers

Safety traps to prevent loss of fluid, easy roll up for transport and storage

Starting At
$192.00 CAD Configure
250-AF Inclined Manometer Air Filter Gages
Dwyer

250-AF Inclined Manometer Air Filter Gages

Precision machined, virtually unbreakable and free of distortion.

Starting At
$813.00 CAD Configure
Mark II Molded Plastic Manometers
Dwyer

Mark II Molded Plastic Manometers

Inclined and inclined-vertical types, and can be mounted on any vertical surface

Starting At
$77.00 CAD Configure
100 Series Durablock Solid Plastic Portable Gage
Dwyer

100 Series Durablock Solid Plastic Portable Gage

Suitable for total pressures up to 100 PSIG and temperatures up to 150°F, with an accuracy of ± 2% of full scale

Starting At
$843.00 CAD Configure
424 Durablock Inclined/Vertical Manometer
Dwyer

424 Durablock Inclined/Vertical Manometer

Inclined range bore has a length of 20 in, accuracy to ± 0.25%, and parallax-free reading

Starting At
$1,784.00 CAD Configure
* Indicates some SKUs available in stock for immediate delivery.