Dwyer Instruments 471B-1 | Thermo-Anemomenter Kit | Handheld Probe | -40 to 100C | Air Velocity | 471 Series
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Part No. 471B-1 | Handheld Thermo-Anemometer Kit
Product Overview
The Dwyer 471B-1 is a handheld thermo-anemometer kit designed to measure air velocity, volumetric flow and temperature from one portable instrument. It combines a stainless steel probe, backlit LCD and 99-reading memory in a complete kit for HVAC testing, duct traverses, air balancing and commissioning applications.
The stainless steel probe features 0-8 inch (0-20 cm) depth markings, helping technicians position the sensor consistently at different traverse points. A sliding sensor cover protects the sensing tip when the probe is being transported or stored with other tools.
Temperature measurement covers -40 to 100°C, with a display resolution of 0.1°C. Measurements can be displayed in Celsius or Fahrenheit. The backlit LCD improves visibility when working in plant rooms, ceiling voids and other areas with limited lighting.
The built-in 99-reading memory allows technicians to save measurements during a traverse and review them before completing reports. This can help reduce the need to manually record every measurement while moving between test points.
The meter features a lightweight extruded aluminium housing designed for handheld field use. The kit operates from a 9 V alkaline battery and includes the battery, wrist strap and carrying case, providing a ready-to-use setup for site work.
For HVAC contractors, test and balance engineers, commissioning teams and facility technicians in Saudi Arabia, the 471B-1 provides a practical handheld solution for measuring airflow and temperature during routine system testing.
Key Benefits
- Combined air velocity, volumetric flow and temperature readings from one handheld instrument.
- Stainless steel probe with 0-8 inch (0-20 cm) depth markings for consistent positioning.
- -40 to 100°C temperature range with 0.1°C display resolution.
- Celsius and Fahrenheit display options for flexible field use.
- Backlit LCD for easier viewing in low-light plant rooms and service areas.
- 99-reading memory for storing measurements during duct traverses.
- Sliding sensor cover helps protect the probe tip when not in use.
- Lightweight extruded aluminium housing for regular handheld operation.
- Complete kit includes a 9 V battery, wrist strap and carrying case.
Who This Product Is Best For
- HVAC contractors carrying out duct traverses and airflow checks.
- Test and balance engineers working on HVAC commissioning projects.
- Facility teams diagnosing airflow and temperature conditions.
- MEP contractors standardising on a handheld airflow measurement instrument.
- Technicians who want a complete, ready-to-use thermo-anemometer kit.
How to Use / How It Works
- Install the supplied 9 V alkaline battery and switch on the meter.
- Select the required temperature display unit, Celsius or Fahrenheit.
- Slide back the sensor cover and use the probe markings to set the required insertion depth.
- Insert the stainless steel probe into the appropriate duct measurement location with the sensor positioned correctly in the airflow.
- Take the air velocity, volumetric flow and temperature readings.
- Save traverse measurements to the 99-reading memory for later review and reporting.
Frequently Asked Questions
What does the Dwyer 471B-1 measure?
The 471B-1 provides air velocity, volumetric flow and temperature measurements from its handheld meter and probe.
What temperature range does the 471B-1 cover?
It measures temperature from -40 to 100°C with a display resolution of 0.1°C.
Can the temperature be displayed in Fahrenheit?
Yes. The meter supports temperature display in Celsius or Fahrenheit.
How deep can the probe be inserted?
The stainless steel probe has markings from 0 to 8 inches (0-20 cm) to help set the required insertion depth.
Can the 471B-1 store readings?
Yes. The meter has memory for up to 99 readings, allowing measurements from a traverse to be stored and reviewed.
Is the display suitable for low-light areas?
Yes. The 471B-1 features a backlit LCD, making the readings easier to see in darker plant rooms, ceiling voids and service areas.
What is included with the 471B-1 kit?
The kit includes the 471B-1 meter and probe, 9 V alkaline battery, wrist strap and carrying case.
Is the 471B-1 suitable for HVAC duct traverses?
Yes. Its stainless steel probe with 0-8 inch depth markings, air velocity/flow measurement and temperature measurement make it suitable for appropriate HVAC testing and balancing applications.
Request a Quote Today
Get the genuine Dwyer 471B-1 thermo-anemometer kit with free Saudi Arabia shipping.
Call General Tech Services LLC: +966 569 289 544 | www.generaltechshop.sa
