Related Manuals for Extech Instruments HD350
Summary of Contents for Extech Instruments HD350
- Page 1 User Manual Heavy Duty Pitot Tube Anemometer and Differential Pressure Manometer Model HD350 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Introduction Congratulations on your purchase of the Extech HD350. This handheld meter measures and displays air velocity (speed), air flow (volume), ambient air temperature, and gauge/differential pressure. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
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Page 3: Meter Description
KEYPAD NOTE: In Setup mode several buttons have special uses not detailed above but are described in subsequent sections of the manual. NOTE: Battery Compartment, Tilt Stand, and Tripod Mount are located on the reverse side of the meter. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 4: Display Description
16. REC, MAX, MIN and AVG indicators 17. Temperature units for the primary display 18. Units of measure for air flow 19. Temperature units for the secondary display 20. Secondary display (Temperature) HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at:... -
Page 5: Setup Mode
3. Use the arrow keys to scroll to the desired setting. 4. Press the AVG REC button to store the new setting in memory. Note: The Setup mode is disabled when the meter is in the MIN-MAX-AVG mode. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. - Page 6 15. Edit the Height value in the same manner as the Width value. 16. Press the AVG REC button to store the Height value. 17. Press and hold the SETUP display icon will switch off. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 7 3. Press the AVG REC 5. Press the AVG REC button to save the setting. 6. Press and hold the SETUP display icon will switch off. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at:...
- Page 8 6. Press the AVG REC button to clear the selected reading types. The meter will beep indicating that that the delete process was successful. 7. Press and hold the SETUP display icon will switch off. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 9 With the Pitot tube open to ambient conditions press and hold the HOLD ZERO button for 2 seconds to zero the display. Put the mouth of the Pitot tube in the direction of the oncoming air mass under test and read the Air Velocity measurement value on the LCD. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 10: Additional Functions
1. Press the HOLD ZERO button to freeze the presently displayed reading on the display. The display will show the HOLD icon while in the Data Hold mode. 2. Press the HOLD ZERO to real time operation. HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 11 Storing, Recalling, and Averaging Readings The HD350 can store up to 99 readings in its internal memory for each of the three measurement modes (Air Velocity, Air Flow, and Pressure) for a total of 297 readings. Momentarily press the SAVE CLEAR button to store a reading. When the internal memory is and beep when another reading is attempted to be stored.
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Page 12: Battery Replacement
USB PC Interface and Software The HD350 is equipped with a USB communication jack on its upper left side. The supplied communications cable connects to this jack and to a USB port on a PC. Check the software download page of the website software for the latest version of the PC software. -
Page 13: General Specifications
Main instrument: 210 x 75 x 50mm (8.2 x 2.9 x1.9") Probe dimension Tube diameter 0.322 inches (8.2mm) Horizontal portion 8 inches long (204mm) Vertical portion 13.4 inches (340mm) Weight 280g (9.8 oz.) HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 14: Air Flow Specifications
Maximum Pressure 10psi Response Time 0.5 Seconds typical Range Indicator Over range: Err.1; Under range: Err.2 Units Range Resolution ±0.7252 0.0001 mbar ±50.00 0.01 inH2O ±20.07 0.01 mmH2O ±509.8 ±5000 HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 15: Temperature Specifications
) x 60 NOTE: Measurements made in inches must be converted to feet or meters. Copyright © 2013-019 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form HD350-en-GB_V3.4 2/19 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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