Table of Contents Features ..................3 Specifications ................3-4 Instrument Description ...............5-6 Operating Instructions ..............7-10 Measuring Pressure ..............7 Measuring Velocity ..............7 Measuring Flow ................8 Measuring Temperature .............. 8 Hold Function ................8 Minimum, Maximum, and Average Readings ....... 9 Saving Data ................
Features • Measure and display air velocity, air flow volume, pressure and ambient temperature with a single, compact unit • Air velocity displayed in m/s, fpm, km/h, mph or knots • Air flow displayed in cfm or cmm • Pressure displayed in psi, mbar, inH O, mmH O or Pa •...
Yellow - 0/27/100/0 Pantone 123 Yellow Red - 10/100/100/5 Pantone 485 Red For service on this or any other REED product or information on other Yellow - 0/27/100/0 Pantone 123 Yellow REED products, contact REED Instruments at info@reedinstruments.com Blue - 100/80/30/5...
Operating Instructions Measuring Pressure 1. Press the power button to turn the meter on. Press the P/V/F button to enter Pressure Measurement mode. Press the Down button to select the unit of measurement. 2. Connect a single hose to the Input Port, leaving the Ref Port empty. 3.
Measuring Flow 1. Press the power button to turn the meter on. Press the P/V/F button three times to enter Flow Measurement mode. Press the Down button to select the unit of measurement. 2. The screen will display the duct size and shape. The meter stores the last used duct size and shape.
Minimum, Maximum, and Average Readings 1. Press the Max/Min button to scroll through the maximum (MAX), minimum (MIN), or the average (AVG) readings. The elapsed time since entering MAX/MIN/AVG mode, or the time at which the minimum or maximum reading occurred will appear on the screen. 2.
Deleting Saved Data 1. Press the P/V/F button to select what mode to recall saved data from. 2. Press and hold the Avg/Rec button to view saved data. The last measurement will appear first. Use the Up and Down buttons to scroll through the saved data to select the reading that you wish to delete.
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Duct Shape & Parameters Setting 1. While in Option Setup mode, scroll to the option displayed as “Duct Shape” on the screen. 2. Press the Avg/Rec button to select this option, and press the Up and Down button to switch between Rectangle and Circular. 3.
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Auto Power Off 1. By default the meter will automatically shut off after 20 minutes of inactivity. To change this, while in Option Setup mode, scroll to the option displayed as “SLEEP” on the screen. 2. Press the Avg/Rec button to select this option, and press the Up and Down button to switch between ON or OFF.
Error Codes An error message will appear on the display if the meter fails an internal diagnostic test, which will also freeze all button function. • OL: Pressure or air velocity value is over range • -OL: Pressure value is below range • Error: air velocity or air flow is below range Battery Replacement 1.
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