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User's Guide
Hot Wire Thermo-Anemometer
Model 407123
Introduction
Congratulations on your purchase of the Extech Hot Wire Anemometer. This meter
measures air flow and temperature by placing the sensor into an airway such as a duct or
a vent. The sensor is situated at the end of the telescoping wand for convenience and has
a protective cover that slides up and down. The meter includes an RS-232 PC Interface
jack for use with the Model 407001 Data Acquisition software and interface cable kit.
Careful use of this meter will provide years of reliable service.
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Table of Contents
Related Manuals for Extech Instruments 407123
Summary of Contents for Extech Instruments 407123
- Page 1 User's Guide Hot Wire Thermo-Anemometer Model 407123 Introduction Congratulations on your purchase of the Extech Hot Wire Anemometer. This meter measures air flow and temperature by placing the sensor into an airway such as a duct or a vent. The sensor is situated at the end of the telescoping wand for convenience and has a protective cover that slides up and down.
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Page 2: Specifications
*or, ±(1.0%FS+3d) whichever is greater Temperature 32 to 122 F (0 to F and F (0.8 Note: m/s: meters per second; km/h: kilometers per hour; ft/min: feet per minute; Knots: nautical miles per hour; MPH: miles per hour Model 407123 V5.2 2/2006... -
Page 3: Meter Description
8. Telescoping sensor handle – Extends to 39” (1m) 9. Sensor protective cover – Slide DOWN to open when in use and slide UP to protect sensor when not in use (close the cover when zeroing the meter) Model 407123 V5.2 2/2006... -
Page 4: Operation
4. View the air velocity and temperature readings on the LCD Display. The large main LCD display shows the Air Velocity reading. The lower LCD sub-display shows the temperature reading. Model 407123 V5.2 2/2006... - Page 5 Data Hold To freeze the LCD display, press the HOLD button. The 'DH' display icon will appear on the LCD. Press the HOLD button again to return to normal operation (the 'DH' hold icon will switch off). Model 407123 V5.2 2/2006...
- Page 6 This port is for use with the Extech Part Number 407001 Data Acquisition software and interface cable kit. Directions for use are supplied with the 407001 kit. The interface kit allows the user to take measurements and view/save the readings on a PC. Model 407123 V5.2 2/2006...
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Page 7: Useful Equations And Conversions
) x 60 Units Conversion Table ft/min knots km/hr 1 m/s 196.87 1.944 2.24 1 ft/min 0.00508 0.00987 0.01829 0.01138 1 knot 0.5144 101.27 1.8519 1.1523 1 km/hr 0.2778 54.69 0.54 0.6222 1 MPH 0.4464 87.89 0.8679 1.6071 Model 407123 V5.2 2/2006... -
Page 8: Warranty
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
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