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Summary of Contents for Extech Instruments 407123
- Page 1 USER MANUAL Hot Wire Thermo- Anemometer MODEL 407123...
- Page 2 Introduction Congratulations on your purchase of the Extech Hot Wire Thermo-Anemome- ter. This instrument measures air velocity and temperature in airways such as ducts and vents. The sensors are mounted at the tip of the telescoping wand. A sliding cover is provided to protect the sensors when not in use. The meter includes an RS-232 PC interface for use with the optional data ac- quisition software and cable kit.
- Page 3 SENSOR ASSEMBLY Air direction guide (air must enter the sensor on this side) Air velocity sensor Sensor cover in open position Sensor cover in closed position Temperature sensor Operation GETTING STARTED Keep the sensor protective cover in the closed position (slide the cover up), while performing all the steps in this section.
- Page 4 MINIMUM AND MAXIMUM READING MEMORY The meter remembers the lowest (MIN) and highest (MAX) readings. These readings can be recalled at any time. 1. Press the RECORD button to start recording (REC will appear). 2. Take measurements. 3. Press the RECALL button to view the maximum reading (MAX will ap- pear).
- Page 5 EXAMPLE 1: METRIC UNITS In this example, the duct is 8 x 12 centimeters and the measured linear air ve- locity is 10 m/s. 1. Convert 8 x 12 centimeters to metres (divide by 100). 8 x 12 cm = 0.08 x 0.12 m 2.
- Page 6 Maintenance BATTERY REPLACEMENT When the low battery indicator (LBT) appears, or if the meter does not switch ON, replace the batteries. 1. Carefully remove the meter’s protective rubber jacket by pulling and stretching it over and away from the meter housing. If the jacket is not re- moved, the battery compartment cannot be accessed.
- Page 7 Power consumption 30 mA DC, approximately Dimensions Meter: 7.1 x 2.8 x 1.3 in. (180 x 72 x 32 mm) Sensor: 0.5 in. (12 mm) diameter Telescoping wand: 7 ft. (2.1 m) maximum length with cable Weight 0.78 lbs. (355 g) including batteries and probe MEASUREMENT SPECIFICATIONS MEASUREMENTS RANGE/RESOLUTION...
- Page 8 #NAS100229; r. AA/99072/99077; en-US...
- Page 10 USER MANUAL last page Website http://www.flir.com Customer support http://support.flir.com Copyright © 2024, FLIR Systems, Inc. All rights reserved worldwide. Disclaimer Specifications subject to change without further notice. Models and accessories subject to regional market considerations. License procedures may apply. Products described herein may be subject to US Export Regulations.
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