Integral explosion-proof and weatherproof housing, easily accessible electrical connection, light and compact
Versatile low differential pressure gage, choice of 81 models and 27 options, indicates air or noncorrosive gas pressures
High ± 0.25% or ± 0.5% full-scale accuracy, 4 digit digital display, auto shut off and battery powered that lasts up to 2000 hrs
Visual monitoring and electronic control of very low differential pressure with an easy-to-read gage in durable and rugged housing
Economical gage with selectable engineering units and with 1% or 0.5% accuracy for monitoring air and compatible gases or liquids
Visual monitoring and electronic control of very low differential pressure in hazardous locations, ATEX housing is flame & explosion proof
Versatile, highly repeatable pressure switches, measures and controls positive, negative or differential pressures of air and compatible gases
Indicate positive, negative or differential pressures and is accurate within 2%, high impact strength and high temperature rated
Measures positive, negative, or differential pressures of air and natural gases with a large, easy-to-read LCD
± 1.5% FS accuracy, constructed of an extruded aluminum case for exceptional durability, one button auto-zero function
Available with pressure, flow, and velocity measurements, built-in air velocity and flow calculations, adjustable zero and span values
Versatile, handheld, battery operated manometers, up to 0.5% accuracy, backlight for use in dim areas
Hand-held & battery operated manometers, ranges from 0 in W.C. - 20 in W.C. up to 100 PSI, memory function allows storage of up to 40 readings
Ideal for testing LP & natural gas lines and controls, available in two different gage ranges, easy to use calibration screw
Capable of testing hydronic systems with test procedures, large & easy to grip needle valve allows for quick adjustment
Measures indoor air quality, includes sampling probe with hose, stores up to 255 sets of readings for future evaluation
Ramp function, selectable auto shut off, LED bar graph visually indicates analog signal level
Ramp function, large numeric LCD display with a blue backlight for use in dimly lit areas, auto power off
Designed for long service life and maintenance-free operation, easy installation with included coupling adapters
Economical, brass body, multi-jet water meter with pulsed output, easy installation with included coupling adapters
Measures rotational speed, made of a strong & lightweight ABS plastic housing, large backlit LCD for visibility in dark areas
Direct line-of-sight viewing of display and target, 5-digit alphanumeric dual LCD display, multifunction & NIST certified
NEMA 4X housing, universal high and low power supply models, field selectable engineering units
Measures up to two temperature measurements simultaneously, built-in back light, includes a hard carrying case, battery, and one K type thermocouple
Three models that measure the probe temperature, ambient temperature, and relative humidity, includes a data hold function & auto power off
Accurately monitors temperatures in a variety of applications, automatic power down, accepts any K-type thermocouple sensors
Combines high accuracy, compactness, dependability, and low cost in an easy-to-read instrument that can safely operate at total pressures up to 30 PSIG
Monitor the pressure of air and compatible gases, models factory calibrated to different ranges, 4-digit LCD display
Measures pressure drop, over-range protection rated to 3000 PSIG or 6000 PSIG; contains piston sensing element
Designed for determining the state of an inline filter and features quick installation with a simple, easy to understand indicator
Measures and controls positive, negative, or differential pressures of non-combustible and non-corrosive gases, and includes visible switch status LED
Highly repeatable differential pressure switch with a large easy-to-read analog pressure gage, easily adjustable switch setting,
Highly repeatable pressure switches combined with a precise pressure gage, encapsulated sensing element, easy to adjust set point indicators
Small size and low price with 2% repeatability, wide range of models from 0.07 in W.C. - 85 in W.C.
Advanced design, precision construction, compact size, and repeatability; with set points from 0.07 in W.C. to 20 in W.C.
Diaphragm sealed leak proof construction provide high reliability repetitive accuracy within ± 1%
Visual set point adjustment in 5 standard ranges (0.05 in W.C. - 12 in W.C.) with repetitive accuracy within ± 1%
Visual set point adjustment, adjustable null zone, and functions as a null switch
± 1% of full scale repeatability, clear easy-to-read scale with convenient external setpoint adjustment
Designed with a double diaphragm, low cost with a minimum 20 million cycle life expectancy and an extremely fast response time
Field adjustable set point, gold inlay contacts, small and lightweight for applications where space is constrained
Offers field adjustments and can handle system pressures up to 6000 PSIG
Designed for pressure, vacuum, and differential pressures, settings from 0.08 in W.C. - 20 in W.C., and dual scale field adjustable set point knob in a compact and low-cost instrument
High static pressure rating of 200 PSIG, low differential set points, NEMA 4X weatherproof enclosure
Wireless, measures differential pressure, air velocity, and flow from 50 ft away
Provides highly accurate positive, negative, or differential pressure readings without the need for moving parts, hidden wells, or packing glands
Clear shatterproof indicating tube, reads 0 to 16 in w.c. as a U-tube and -0.20 to 0 to 2.6 in w.c. as an inclined gage
Safety traps to prevent loss of fluid, easy roll up for transport and storage
Precision machined, virtually unbreakable and free of distortion, suitable for use in ambient temperatures of -20°F - 150°F
3% accuracy for stationary and portable applications, inclined and inclined-vertical types, and can be mounted on any vertical surface
Suitable for total pressures up to 100 PSIG and temperatures up to 150°F, with an accuracy of ± 2% of full scale
Inclined range bore has a length of 20 in, accuracy to ± 0.25%, and parallax-free reading
Measure positive, negative and differential pressures up to 100 PSI with a durable, long-lasting plastic construction that is easily accessible for cleaning
Dual English/metric scales with ± 1.6% full scale accuracy, can withstand ambient temperatures up to 149°F and process temperatures to 248°F
1.5% full scale accuracy in a 2.5 in gage, performance and accuracy for pressure & vacuum applications up to 160 in W.C.
Stainless steel housing and wetted parts, ranges of vacuum, compound and pressures to 235 in W.C.
Direct drive design with single moving part, single element sensing, 4-1/2 in turret mount gage
Designed for measurements of low pressures of gases and liquids, 1% full scale accuracy, available in 2-1/2 in dial
Combination pressure/temperatuer gage, available in three different connection options, simplified installation
Perfect for applications where resistance to corrosion is necessary as the stainless steel case and ring offer protection from harsh processes
2.5% accuracy, dual PSI and Bar (x100 kPa) scales, designed with 304 SS housings and 316 SS wetted parts, ranges from full vacuum to 300 psi
Dual PSI and Bar (x100 kPa) scales with ± 1.5% full-scale accuracy, stainless steel housing and wetted parts
Wide variety of ranges, easy-open breather plug on top, 1.5% FS accuracy
1.5 in dials with back connection, dual psi and bar scales with ± 2.5% accuracy, wide offering of ranges available
Can withstand ambient temperatures up to 140°F, wide variety of ranges available, dual scale & compact size
Higher accuracy gage for value-sensitive applications, back or bottom mounting and compact size, 2.5% accuracy
Simplified installation, comes in three different connection options, moveable dial with coloured markings
Large 4.5 in scale, PSI scales with 1% full scale accuracy, stainless steel housing and brass wetted parts
Pressure applications from 10 in. W.C. to 10 PSI, dual scales with 3-2-3% full-scale accuracy on a 2.5 in dial
Versatile multi-function process gage, 0.25% full scale accuracy, standard with a loop-powered 4 - 20 mA transmitter output
± 0.25% full scale accuracy, 4 digit digital display, extruded aluminum case designed to meet NEMA 4X
Complete pressure gage with calibration capabilities, 0.05% full scale accuracy & large 5 digit resolution, 11 selectable pressure units
Reads tire pressure quickly and accurately, ± 1% FS accuracy, one button operation
Measures gas pressure with ± 0.5% of full-scale accuracy, designed for easy installation, user selectable units
Rugged weatherproof design, 4-digit backlit display with four selectable units, 304L stainless steel wetted material
Customers say the extremely high sensitivity and great repeatability make this the best pressure switch ever made
High-quality miniature snap-action switches with a high current capacity and high temperature rating
Weatherproof and explosion-proof, burst pressure protection to 3000 PSI, visible set-point and deadband adjustments
High over-pressure protection with a pressure range to 1400 PSI, visible setpoint, and fixed deadband
Explosion proof and weatherproof housing, independant piston action design, mountable in any position
Visible set point and external adjustment, available in weatherproof and explosion-proof housing
Advanced design and precision construction, visible set point and easy to wire SPDT snap switch, vibration resistant
Field adjustable with simple indicating pointer, vacuum and pressure ranges, stainless steel construction
15 A SPDT switch for direct control of pumps and motors, pressure, vacuum, or compound ranges available
Minimum life expectancy of 10 million cycles, extremely fast response time, adjustable set point
Equipped with high proof pressure capabilities, available with either spade terminals or flying leads
Wide range of field adjustable pressure set point options, easy to install and easy to adjust, life of over 10 million cycles
Set point and deadband are easily adjustable, can be mounted in any orientation, simple & reliable
Rugged construction and explosion-proof design, high over-pressure protection and vibration resistance
Low cost and precision made of 316 SS and fluorocarbon ensure great chemical compatibility for a wide range of OEM industrial applications
2 switches, indicating gage and transmitter with two line display and external programming buttons
High measurement accuracy, high shock and vibration resistance, 6 user selectable pressure units
2.3 in LED segments are available in red, green, or blue, universal power supply and user selectable process inputs
Built-in excitation power supply, load cell and potentiometer input, 1/8 DIN
Input availability for virtually all types of process measurement, flexibility and value in a standard 1/8 DIN package
3-1/2 digit LCD display, user-selectable engineering units, snap-in bezel mount and 24 VDC power supply
4-1/2 digit LCD display, field-selectable engineering units, decimal point positions
3-1/2 digit, high contrast LCD, jumper selectable engineering units and decimal point positions
Up to 50:1 distance-to-target ratio, allows the user to read the max/min, average, and differential readings
Up to 20:1 distance-to-target size ratio, displays maximum, minimum, differential and average temperature measurements, thermocouple input
Offers visual LED indication of leak level, automatically recalibrates when turned off and on, adjustable tick rate and flexible gooseneck
Measures moisture, temperature, and RH, large digital LCD and hold function
Measures moisture from 2 to 70% with high accuracy (1.5%), large digital LCD and hold function
Measures DC/AC voltage, DC current and resistance, includes audible continuity, diode, LED and transistor hFE tests
Measures DC/AC voltage, DC/AC current, resistance, frequency and capitance, 4 digit backlit LCD, rugged high impact case
Measures AC/DC voltage, resistance, continuity, frequency, and phase roation
Measures DC/AC voltage and DC/AC current resistance, 4000 count digital display, high impact case
3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output
NEMA 4 housing with large & bright LCD, detachable terminal blocks reduce wiring difficulties
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
Flow ranges up to 1000 L/min and offered in aluminum or 316 SS in 1/4 in, 3/8 in, 1/2 in and 3/4 in sizes
PPS body, 0 - 5 VDC output, 3-1/2 digit LCD, turbine wheel and electro-optical detection
PPS body, turbine wheel and electro-optical detection, 0 - 5 VDC output signal, pulse outputs
3-1/2 digit LCD informs the user of the actual flow rate, 316SS Body, 0 - 5 VDC output
Rugged 316SS body, high repeatability & microturbine design, 0 - 5 VDC and pulse outputs
PPS body, 0 - 5 VDC output, 3-1/2 digit LCD informs the user of the actual flow rate
Corrosion resistant PPS body, accurate measurement of flow rates with zero drift, 0 - 5 VDC output, no required maintenance
Local flow indication, unrestricted mounting, 4 - 20 mA, 0 - 5 V, and 1 5 V output
Easily programmable digital display, constructed of high-grade materials and is virtually maintenance free
Economical flow indication, multiple sensing point measurement & built in averaging capability
Batch or cumulative totals, easy-to-read LCD display, ± 5% accuracy
Magnetically actuated switching design, leak proof body, operating pressures up to 150 PSIG with temperatures to 212°F
Dependable protection against flow variation or stopping in pipelines for fluids, gases, and flowing solids
Weather proof & explosion proof, easy intallation, features a free swinging vane
Simple field switch adjustment, magnetically actuated switch design, cost effective, and leak proof body
Alluminum weatherproof housing, field adjustable set point and paddle, adjustable to fit 1 in - 8 in size pipe
NEMA 4X design, features a free swinging vane and magnetic linkage; UL approved
Flow rates from 0.10 GPM - 1.5 GPM, piston-type operation, fixed setpoints
Ideal for air and post-filtered water applicatoins, with fixed set point; FDA compliant
Weatherproof and subermersible, multiple wetted material choices, available in brass or 316 SS body
Non-invasive pipe flow measurement, compact and lightweight design, 4 - 20 mA and pulse output capabilities and easy operation
Easy operation and data logging option, sturdy IP65 rating, 4 - 20 mA and pulse output capabilities
Portable and non-invasive, capable of 20 hours continuous operation with built-in, rechargeable battery
Portable high-performance data logging capability that is capable of 20 hours of continuous operation
All in one clamp-on unit, easy to read text with backlight, volume pulse and 4 - 20 mA flow rate output
Fixed range, stainless steel transmitter designed to continuously measure pressure for years even in the toughest environmental and media conditions
Generates up to 72 PSIG to serve as a pressure source for calibrating gases and transmitters, or to set pressure switches
Source pressure and vacuum to check calibration of gases, switches, transmitters and recorders with up to 600 PSI pressure generated
Accurately measure compatible gases and liquids with a 0.25% full scale accuracy in hazardous locations
Accepts a 4 - 20 mA input signal and displays the associated process variables such as pressure, level, flow, temperature, or relative humidity
RTD or thermocouple input with four (4) digit display, selectable °F or °C
Transforms wireless signals from any Dwyer universal handheld probe or module into a Bluetooth signal
Measures relative humidity, temperature, dew point, and wet bulb temperatures when combined with the Dwyer UHH2 Universal Handheld
Interchangeable ranges, ± 0.05% accuracy, data logging capability, and NIST traceable
Fixed range transmitter for harsh environments and suitable for high shock and vibration applications with ± 0.25% FS accuracy, 4 - 20 mA signal, and ranges to 1000 PSI
Compatible with a wide range of gases and liquids, including corrosive materials, and is specially designed for weatherproof service NEMA 4 (IP56)
Microprocessor-based high performance transmitter with HART communication, push-button configuration and approved for use in hazardous locations
General use direct reading precision flow meters suitable for both gas and liquid applications with 2 in, 5 in, or 10 in scales and interchangeable bodies
Monitor water flow rates from 0.25 GPM - 40 GPM and air rates from 1 SCFM - 100 SCFM with this ultra-pure laboratory grade dual-scale flowmeter
For air, water or caustic fluids, with ± 2% FS, unrestricted mounting, and high temperature and pressure options
Hot-stamped scales and multi-angle views of flow backed by over 60 years of experience in acrylic instrument machining
Direct reading, precision machined acrylic flow meter used to indicate air or water flow suitable for both gas and liquid applications
Three ranges to 20 GPM water housed in a brass body of shatterproof construction
2 in or 1-1/2 in scale with a configurable valve option suitable for both gas and liquid with advanced features at a low cost
Portable infrared thermometer, compact size and single button operation, can be attached to any pant or shirt pocket
12:1 distance to target ratio, laser sighting, back lit display reads the maximum temperature seen
Measures a wide range of pressures to a very high accuracy and features a display resolution to 0.001 and adjustable auto power off
Measures and logs pressure measurements for critical applications, 0.05% accuracy, data logging function can store up to 10,742 readings
Provides control for humidifying or dehumidifying systems with large LED screen to view relative humidity, output status, and error messages
Simultaneously measure and control temperature and humidity using two independent relays and displays
Perfect for starting or stopping pumps, opening or closing valves, or actuating level alarm signals
Modular design, user-friendly, and up to 22 channels simplifies on-demand cleaning requirements by eliminating the need for external devices
Simplify your low-voltage on-demand cleaning environments by eliminating external devices
Compact, easy-to-use with 4, 6, or 10 channels; perfect for pneumatic conveying systems
Compact, easy-to-use with 4, 6, or 10 channels; perfect for low-voltage pneumatic conveying systems
Wide temperature range with heating and cooling control, two selectable alarm set, internal buzzer, and 16 A rating
Easy multi-unit programming to monitor and control temperature for heating and cooling applications
Bulb and capillary, inert gas filled bourdon tube ensures high sensitivity and long life
3-digit display, heating and cooling control, with 8 or 16 A relay
Solar-powered with easy to read 3-1/2 digit LCD display and adjustable angle stem
2 in, 3 in or 5 in dial with dual scale, ± 1% FS accuracy, and external reset
Dual control output, RS-485 communication, and universal inputs allow you to monitor and control temperature and process applications with precision
Dual output control, RS-485 communication, auto-tuning
RTD or thermocouple input, zero and span adjust, linearized 4 - 20 mA signal
Combine the voltage or current humidity transmitter output with a passive temperature thermistor or RTD output
Dual 4 - 20 mA channels for simultaneous relative humidity and temperature outputs
Compact housing and sinistered filter make this humidity and temperature transmitter designed to withstand the elements
Adjustable from 400 - 1600 FPM and stainless steel vane provide excellent sensitivity and reliability at a very reasonable price
NDIR sensing technology with a 2000 ppm range monitors the occupancy in a room by detecting concentrated carbon dioxide
NDIR CO2 sensor, universal CO2/RH outputs, and optional relay
Measures DC/AC voltage, AC current, resistant and frequency in a low-cost, compact digital clamp meter
High accuracy, field selectable ranges, low-cost solution for local indication of air flow
Simultaneously outputs both CO2 and VOC with a single beam dual wavelength NDIR CO2 sensor
NDIR CO2 sensor, universal outputs, and optional relay to accurately monitor the CO2 levels and temperature indoors
NDIR CO2 sensor with universal outputs in an industrial housing
Leak proof body and float constructed from tough, durable polyphenylene sulfide which has excellent chemical resistance, all at a low cost
Measures air volume, air velocity, and temperature, ability to record minimum, maximum and average readings
Pocket wind meter measures wind speeds up to 65 mph as well as temperature
Measures air velocity or air volume and temperature simultaneously while storing up to 99 readings
Quad flow design technology, predictive balancing, Wi-Fi direct wireless communication provides a range up to 200 yards
Monitor humidity, temperature, air velocity, sound and light, large, dual-line 4-digit LCD display
Measures air volume and velocity, temperature, humidity and barometric pressure
Measures wind speed, wind chill, and temperature, features a data hold button and a 5 minute automatic shut-off to conserve battery life
Bi-directional anemometer, no sensing electronics, wide velocity range dependent on connected manometer
Measures air velocity, air volume, temperatue, humidity, and BTU (built-in data logging)
Large 1.3 in dual display, one hand operation, built-in sensor records ambient temperature in °F or °C
Low-cost, direct reading instrument to measure air velocity and static pressure in dirty air flow applications
Measures air velocity, air volume, temperature, humidity and BTU with a built-in sensor that records ambient temperature in °F or °C
Weatherproof and explosion proof option, rotary paddle level control, top or side mounting for dry bulk materials
Water level controllers with a heavy-duty, cast iron chamber designed for boiler applications
Low cost, direct reading scales offer 3% accuracy; for portable or stationary applications
Two scales for maximum accuracy and easy, direct reading with the ability to use anywhere
Use this sensitive Dwyer unit to measure low air velocities at a low cost
Remote probe construction allows for remotely mounting the electronic enclosure for easier accessibility
± 5% or ± 8% full scale accuracy, NEMA 6 (IP67) enclosure rating; two sensing elements
Models are available in 3% and 5% accuracy, field selectable ranges, optional integral display & BACnet MS/TP or Modbus® RTU/ASCII communication protocols
Powder, bulk or liquid level indicator with no moving parts and excellent chemical resistance
A low-cost, direct reading instrument used for both air velocity and static pressure tests
Measure air velocity or air volume, temperature, and humidity simultaneously and easily with this versatile instrument
Suitable for total pressures up to 100 PSIG (6.89 Bar), temperatures to 150°F (65.6°C)
Convenient dual purpose instrument with high accuracy and easy-to-read scales; displays both velocity and air pressure
Simple and dependable operation with no mechanical linkage make for years of trouble-free service in a surprisingly compact instrument
Compact, 4-vane paddle mini-bin provides reliable level sensing for dry bulk solids where mounting space is limited
Low cost, reliable and compact, with hermetically sealed contacts
Mercury-free and self counter-weighted free-floating level switch designed for industrial applications
Easy in-wall or external installation with specific gravities as low as 0.5; available in various installation, float and body materials
Low cost, compact and rugged optical level switch with LED indication and no moving parts
Versatile transmitter for monitoring pressure and air velocity, field upgradeable LCD display, magnetic sensing technology
Mechanically actuated floating switch intended to activate electrical components, such as pumps, to start and stop automatically
Dependable detection of low levels of water, even low conductive liquids, with a large measuring area
One or two pump control with built-in alternator provides versatile level control
Designed to measure pressures as low as 0.1 in w.c. with ±0.4% accuracy, features 15 psid overpressure
FM approved explosion-proof and intrinsically safe models, replaceable calibrated sensor and integral LCD option
Versatile, compact, handheld instrument for measuring percentage of relative humidity and temperature in °F or °C
One or two pump control with built in alternation, over temperature protection, and seal failure monitoring
Perfect for sludge and slurries, lightning protected, intrinsically safe
Perfect for ground water and wells, lightning protected or intrinsically safe options available
Highly precise 0.25% full scale accuracy piezo-resistive sensor contained in a compact, rugged housing to measure pressure in a multitude of processes from hydraulic oils to chemicals
4 - 20 mA process output, a robust NEMA 4X enclosure, large LCD display, and password protected set up menu
Very low ranges with exceptional stability, reliability, and either a ± 0.25% or ± 0.5% accuracy
30 field selectable variations in just 3 models, unidirectional and bidirectional pressure ranges, with optional LCD display
Quick response capacitance sensor delivers a 4 - 20 mA output signal and ± 0.25% accuracy
Senses the pressure of air and compatible gases, standard 4 - 20 mA or 0 - 10 VDC output signal, several units can be mounted closely together
Capable of measuring low pressures with a ± 1% accuracy while withstanding up to 10 PSIG of overpressure with no damage
Positive, negative and differential pressures can be measured within a full span accuracy of ± 0.25, NEMA 4X enclosure
Ultra thin silicon diaphragm, high accuracy at low pressure ranges, NEMA 4X enclosure
Measuring pressures of liquids, gases, and vapors with a 0.5% F.S. accuracy, a 4 - 20 mA output, and a NEMA 4X enclosure
Monitors differential pressure of air and compatible gases and liquids with accuracy, easily accessible zero and range adjustments
Temperature compensated units, provides a 4 - 20 mA output signal which can be interfaced with chart recorders, data loggers, and more
Wide range of models are available factory calibrated to specific ranges, tamper proof button configuration, easy to read LCD
Measures the pressures and flow of air or non-conducting gases at high resolutions, ± 0.25% or ± 0.5% FS accuracy, ranges down to 0.1 in W.C.
Designed for high static/low DP applications, high performance of 0.25% accuracy, 6-point NIST certificate of calibration
Senses very low pressures of air and non-combustible, compatible gases, specific factory calibrated ranges, NEMA 4 X enclosure
Microprocessor-based high performance transmitter, push button configuration, programmable using HART® communication
Simple calibration push-button sets back zero and span, ± 0.25, ± 1, or ± 2% accuracy
Wide range of models are available factory calibrated to 0.25% full scale accuracy, ranges from 0.1 in W.C. - 25 in W.C.
Push-activated zero function and an associated LED light indicator, 2-wire, 4 - 20 mA output
Flexible pressure calibration, push button configuration, automatic sensor temperature compensation, zero and span buttons
Monitors pressure, air velocity, & air flow, field selectable ranges and output signal, plug-in remote display tool
Compact and lightweight, ± 0.8% FS accuracy, can withstand up to 15 PSIG overpressure with no damage to the unit
Monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy, dual pressure sensors, zero adjust button
Complete system including a backlit RGB LCD display with a graphic user interface, audible and visual alarm
6:1 distance-to-target ratio with laser sighting, adjustable emissivity and battery life indicator