Short Description

The Lutron AM-4204 is a professional-grade Hot Wire Anemometer designed for highly accurate measurement of low air velocity, airflow, and temperature. Featuring a slim telescopic hot-wire probe, dual LCD display, microprocessor-based circuitry, and multiple air velocity units, it is ideal for HVAC testing, clean rooms, ventilation systems, laboratories, environmental monitoring, and industrial airflow applications. The built-in RS-232 interface enables easy connection to PCs for data logging and analysis.

Key Features

• Professional Hot Wire Air Velocity Meter
• Highly accurate for very low air velocity measurement
• Measures Air Velocity and Temperature simultaneously
• Slim telescopic probe for ducts, diffusers, and ventilation grilles
• Dual-function super large LCD display
• Built-in temperature measurement (°C / °F)
• Multiple air velocity units
• Microprocessor-controlled for high accuracy
• Max/Min memory recall
• Data Hold function
• RS-232 PC Interface
• Durable lightweight ABS housing
• Portable with hard carrying case
• Ideal for HVAC inspection and airflow balancing
• Auto battery-saving design
• Fast sensor response
• Easy one-hand operation

Applications

Suitable for:

• HVAC system testing
• Air conditioning maintenance
• Ventilation systems
• Air balancing
• Clean rooms
• Laboratories
• Environmental testing
• Air conveyors
• Flow hoods
• Furnace airflow testing
• Refrigerated display cases
• Paint spray booths
• Fan and blower performance testing
• Industrial ventilation inspection
• Building maintenance

Technical Specifications

Air Velocity Measurement

Air Velocity Units

• m/s
• km/h
• ft/min
• knots
• mile/h

Temperature Measurement

Fahrenheit

Display

• 13 mm Super Large LCD
• Dual Display
• Simultaneous Air Velocity & Temperature Display
• Digital Readout

Probe

• Remote Telescopic Hot Wire Probe
• Slim Design
• Probe Diameter: 12 mm
• Minimum Length: 280 mm
• Maximum Length: 940 mm

Sensor Type

• Air Velocity: Tiny Glass Bead Thermistor
• Temperature: Precision Thermistor

Functions

• Air Velocity Measurement
• Temperature Measurement
• Data Hold
• Maximum Reading Recall
• Minimum Reading Recall
• RS-232 Computer Output
• Multi-unit Selection

Sampling Time

Approximately 0.8 seconds

Operating Conditions

Operating Temperature:

0°C to 50°C

Operating Humidity:

Less than 80% RH

Power Supply

• 4 × 1.5V AAA Batteries (UM-4)

Power Consumption:

Approx. 30 mA DC

Dimensions

Main Unit

• 180 × 72 × 32 mm

Weight

• Approximately 355 g

Material

• Heavy-duty ABS Plastic Housing
• Industrial-grade Electronics
• Durable Telescopic Probe

Package Contents

• Lutron AM-4204 Hot Wire Anemometer
• Telescopic Hot Wire Probe
• Hard Carrying Case
• User Instruction Manual

Advantages

• Excellent low-speed airflow accuracy
• Ideal for HVAC professionals
• Compact and lightweight
• Fast response thermal sensor
• Easy-to-read dual LCD
• Professional industrial quality
• Reliable for laboratory use
• Supports computer connectivity through RS-232
• Long service life
• Easy maintenance

Industries Served

• HVAC
• Pharmaceutical
• Food Processing
• Manufacturing
• Clean Room Validation
• Environmental Monitoring
• Research Laboratories
• Mechanical Engineering
• Building Maintenance
• Industrial Plants