Related Manuals for TSI Instruments ALNOR LOFLO BALOMETER
Summary of Contents for TSI Instruments ALNOR LOFLO BALOMETER
- Page 1 ALNOR LOFLO BALOMETER ® ® CAPTURE HOOD OWNER’S MANUAL P/N 116620001, REV 08 SEPTEMBER 2014 1.800.544.2843 www.calcert.com sales@calcert.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS Section 1 General Description ..........1 Section 2 Theory of Operation ..........1 Section 3 Safety ..............2 Section 4 Instrument Setup and Storage ........ 2 Section 5 About the Instrument Display ........4 Section 6 Getting Started ............5 Section 7 Detailed Operation .......... -
Page 3: General Description
SECTION 1 General Description ® ® ® The Alnor LoFlo Balometer Capture Hood is a of volume rates. The LoFlo Balometer Capture compact instrument that measures very low air Hood should be used with the vents closed at flow rates in HVAC systems. It measures from 10 lower volume rates, but higher volume rates to 500 cfm (17 to 850 m /h, 4.7 to 236 l/s). -
Page 4: Safety
SECTION 3 Safety ® ® When using the LoFlo Balometer Capture Hood The LoFlo Balometer Capture Hood is not to check air flow at ceiling diffusers, make certain designed for gas mixtures other than air. Use with that you can safely raise and hold the unit while corrosive or other dangerous or explosive gas making measurements. - Page 5 2. Remove the battery cover located on top of Instrument Storage the meter. The hood and frame assemblies can be detached 3. Slide the battery holder up until the snap from the instrument base and placed inside their connector is exposed. own carrying case without disassembly.
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Page 6: About The Instrument Display
SECTION 5 About the Instrument Display This display is an analog display, simulated with 26 LCD segments to give the user the response of ® a mechanical Balometer Capture Hood. It also displays an exact digital number, using 3½ digit numeric section. -
Page 7: Getting Started
SECTION 6 Getting Started NOTE: The instrument should be allowed to The auto range feature of the LoFlo ® stabilize to room conditions in order to achieve Balometer Capture Hood will choose the specified accuracy. correct scale and display the volume rate in the digital readout section. - Page 8 Use Vent Closed Mode for measurements Supply/Return Button between: ® The LoFlo Balometer Capture Hood is in supply 10 to 150 cfm (17 to 255 m /h, 4.7 to 71 l/s). mode when turned on. This is indicated on the display with the supply indicator .
- Page 9 When “–––” is displayed at the last step of the 2-point mode, the calculation for the resistance effect cannot be made. It can be caused by any of the conditions listed here. Condition Reason The vent closed or vent open measurement is less Calculations are not made at the low end since than 150 cfm (70 l/s, 255 m /h).
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Page 10: Troubleshooting
SECTION 8 Troubleshooting Symptom Possible Cause and Corrective Action Meter does not turn on. Battery holder snap connector not connected. Connect battery holder to instrument. Batteries may be discharged. Charge or replace them. Switch failure, wiring failure, or circuit failure. Call TSI. -
Page 11: Maintenance
SECTION 9 Maintenance Hoods Performance Check Hoods may be cleaned in cool water with a mild If the calibration is to be checked, the best way is detergent. to use a reference flow standard more accurate ® than the LoFlo Balometer Capture Hood. -
Page 12: Service Information
LOFLO BALOMETER ® Specifications* Range: 10–500 cfm (17–850 m Display: 3.5 digit, .44 in. (11 mm) high, (4.7–236 l/s) digital display with 26 segment simulated analog display Accuracy: ±(3% + 5 cfm) [±(3% + 8,5 m /h, 2,4 l/s)] Resolution 1 cfm from 10–500 cfm (Supply or 0.1 l/s from 4.7 to 9.9 Height:...
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