Instruments from Dwyer Instruments, Inc.

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	Actuators Damper Air Filters Pleated Alarms Analyzers Gas Ball Valves Butterfly Valves Carbon Monoxide Detectors Check Valves Flap Foot Inline Plastic PVC Control Valves Controllers Process Temperature Controls: Process Pressure & Vacuum Temperature Converters: Media Counters Digital Covers Protective Current and Voltage Calibrators Data Loggers Fittings Barb Brass Compression Plastic Tube Flow Controllers Mass Flow Gauges Flow Meters Acrylic Air Chemical Gas Liquid Orifice Plate Turbine Ultrasonic Variable Area Water Flow Totalizers Ground Fault Detectors Hammers Impact Hygrometers Thermo Indicators Flow Loop-Powered Position Tank Level Temperature Instrumentation Process Control Instruments Air Velocity Electrical Measuring Intrinsically Safe Barriers Isolators Galvanic Leak Detectors Gas Water Manifolds Valve Manometers Digital Mass Flow Meters Monitoring Equipment and Systems Voltage Panel Meters Digital pH Meters Power Supplies Pressure Gauges Differential Pressure Regulators Air Probes Switch Temperature Pump Controls Pumps Hand Relays Rotameters Sensors Air Velocity Capacitive Flow Mass Air Flow Occupancy Particulate Pressure Solenoid Valves Sound Level Meters Steam Traps Thermodynamic Switches Current Damper Differential Pressure Flow Liquid Level Pressure Speed Temperature Ultrasonic Level Tachometers Temperature Gauges Temperature Sensors Averaging Infrared RTD Thermistor Thermocouple Thermometers Bi-Metal Infrared Thermocouple Timers Transducers Current Electro Pneumatic Pressure Transformers Current Transmitters Air Velocity Differential Pressure Flow Humidity Level Pressure Temperature Valve Actuators Valve Positioners Electro-pneumatic Pneumatic Valves Actuated Air Diaphragm Drain Foot Globe Instrument Miniature Needle Pilot Plastic Plug Pulse Sanitary Vibrators Ball Bin Piston Zener Barriers

Dwyer Instruments, Inc.

Michigan City, IN

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Phone: 219-879-8000

Fax: 219-872-9057

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Air Velocity Meter

Measure both pressure and air velocity

Read the red figures directly in feet per minute of velocity - from 400 to 10,000 fpm No conversion tables needed for air at standard conditions. Read the black figures in inches of water column air pressure - from 0 to 10" w.c.
Our most popular precision air velocity instrument, the No. 400 is used to balance air conditioning systems, measure pressure drop across filters, and test fan and blower discharge and inlet pressures, as well as air velocity in ducts. It offers the convenience of a dual purpose instrument - plus high accuracy on easy-to-read scales. A versatile, all around manometer for the air conditioning and balancing contractor or industrial plant.

Series 471 - Digital Thermo-Anemometer
Four Field Selectable Ranges from 500 to 15,000 FPM

The Series 471 Digital Thermo Anemometers are versatile dual function instruments that quickly and easily measure air velocity in four field selectable ranges, in either feet per minute or meters per second, plus air temperature in °F or °C. High contrast LCD display shows both range selected and present velocity. Convenient backlight provides perfect visibility in low light conditions. Light automatically shuts off after 2-1/2 minutes to prolong battery life. Low battery warning is included.

Model VT120 - Integral Vane Thermo-Anemometer
Large 1-1/4" Dual Display, One Hand Operation

Simultaneously measure air velocity and temperature with the Model VT120 Integral Vane Thermo-Anemometer. Easily view readings on the large 1.25" (31.15 mm) dual display. User-selectable air velocity ranges include ft/min, m/sec, mph, knots, and km/hr. Built-in thermistor records ambient temperature in °F or °C. Model VT120 features include data hold and record/recall minimum, maximum and average readings. Also, units have the ability to record and average up to 2 hours of data while displaying the continuous running average. If desired, sleep mode automatically shuts down the meter after 20 minutes of non-use. Model VT120 includes hard carry case, one 9V battery, and instruction manual.

Model VT-200 - Vane Thermo-Anemometer
Measures Air Volume, Air Velocity and Temperature, Built-in Datalogging

Model VT-200 Vane Thermo-Anemometer is ideal for balancing air conditioning and heating ducts or checking the operation of fans and blowers. Model VT-200 measures air volume in cubic feet per minute and cubic meters per minute. Air velocity measurements can be viewed in ft/min, m/s, knots, km/hr, and mph with ±3% accuracy. The multifunction LCD can simultaneously display air velocity and temperature in selectable units or air flow and air area. Built-in datalogger can store up to 1000 measurements or transfer the data to a PC via RS-232 communication. Additional features include data hold and record/recall minimum, maximum and average readings. Model VT-200 includes RS-232 interface, PC Windows software, cable, 9V battery, carrying case, and instruction manual.

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