Model DA30 User Manual
Contents
1. PACER INSTRUMENTS 1450 First Ave Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales acer instruments com DA30 User Manual Rev 1 0 11 Aug 2007 PACER INSTRUMENTS Model DA30 User Manual Page 1 of 7 Pacer Instruments Inc www pacer instruments com Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com Page 2 of 7 Warranty This product is fully warranted against defective materials and or workmanship for a period of one year after purchase provided it was not improperly used For your protection please use this product as soon as possible If returned it must be securely wrapped sent prepaid and insured to Pacer Industries Inc 1450 First Avenue Chippewa Falls WI 54729 PH 715 723 1141 FX 715 723 7890 Please include a note with name address telephone number and description of the problem Although we provide assistance on Pacer products both personally and through our literature it is still the total responsibility of the customer to determine the suitability of the product for use in their application This manual is provided by Pacer Industries without any kind of warranty Precautions have been taken in accurately preparing this manual however we neither assume responsibility for any omissions or errors that may appear n2. 1 rigid PN 5002 flexible AP275 2 34 probe Not available for DA30 ask for DA40 or other models Included 2 pieces PN 5001 rigid extension rod piece PN 5002 flexible extension rod 2 pieces AA 1 5V alkaline batteries 1 piece PN 6004 hard shell carrying case piece M2946 operation manual DA30 User Manual Pacer Instruments Inc Rev 1 0 www pacer instruments com 11 Aug 2007 Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Page 4 of 7 Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com SECTION 2 ON OFF FPM MPS SWITCH FUNCTIONS DIGITAL ANEMOMETER MODEL DA30 Pressing ON OFF key switches unit ON Pressing the key a second time turns it OFF Pressing FPM key displays air velocity in FPM feet per minute with 1 FPM resolution Pressing MPS key displays air velocity in MPS meters per second with 0 01 MPS resolution SECTION 3 OPERATION 1 2 3 NOTE Unit should be OFF before changing batteries Remove battery compartment lid and insert batteries replace lid see APPENDIX B Press the ON OFF key to turn unit ON The display will show all its elements see APPENDIX A followed by the remaining battery capacity bA85 means the battery is at 85 capacity NOTE If the battery symbol displays during normal operation replace the batteries Press FPM or MPS key i
3. convert an area calculated in square inches to an area calculated in square feet which is required for the Volume Flow equation above divide by 144 area in sq in 144 area in sq ft Example The air duct is rectangular the width is 24 in and the height is 12 in The air velocity reading through the duct is 450 FPM Calculate the Volume Flow Step 1 Cross sectional area 24 in x 12 in 288 sq in Step 2 288 sq in 144 2 sq ft Step 3 Volume flow Air Velocity x Area therefore Volume flow rate 450 FPM x 2 sq ft 900 CFM DA30 User Manual Pacer Instruments Inc Rev 1 0 www pacer instruments com 11 Aug 2007 Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Page 7 of 7 Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com Notes DA30 User Manual Pacer Instruments Inc Rev 1 0 www pacer instruments com 11 Aug 2007 Phone 1 800 283 1141
4. f necessary to display desired units Place probe in the air stream with direction arrow in the direction of the airflow To calculate CFM see APPENDIX C DA30 User Manual Rev 1 0 11 Aug 2007 Pacer Instruments Inc www pacer instruments com Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com APPENDIX A LCD DISPLAY SYMBOLS LCD DISPLAY LOW DISPLAY BATTER HOLD FEET PER MINUTE SYMBOL ft min METERS PER SECOND SYMBOL mis APPENDIX B CHANGING BATTERIES AA alkaline batteries DA30 User Manual Rev 1 0 11 Aug 2007 Page 5 of 7 Pacer Instruments Inc www pacer instruments com Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Page 6 of 7 Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com APPENDIX C AIRFLOW VOLUME CALCULATIONS Theory To calculate cubic feet per minute CFM from a measured air velocity FPM you need the calculated cross sectional area of the airflow stream Volume Flow CFM Velocity FPM X Area sq ft In rectangular ductwork this cross sectional area equals the Width times the Height 0 W x H A cross sectional area In circular ductwork this cross section area equals the radius squared times m 3 14 oO R x R x 3 14 A cross sectional area To
5. or assume liability for any damages that result from the use of the products in accordance with the information contained in the manual DA30 User Manual Pacer Instruments Inc Rev 1 0 www pacer instruments com 11 Aug 2007 Phone 1 800 283 1141 PACER INSTRUMENTS 1450 First Ave Page 3 of 7 Chippewa Falls WI 54729 800 283 1141 or 715 723 1141 Fax 715 723 7890 sales pacer instruments com INTRODUCTION Pacer s model DA30 digital anemometer is a low cost instrument for measuring air velocity from HVAC ducts or process airflow The heavy all metal except electronics probe can be used for airstreams that have a wide range of humidity temperature and contaminants without compromising accuracy Features include accuracy long battery life tolerance of temperatures up to 210 F 98 9 C at the probe and durability SECTION 1 SPECIFICATIONS Range 60 6800 FPM 0 3 35 0 MPS Accuracy 4 2 5 of reading Resolution 1 FPM or 0 01 MPS Operating Temperature Instrument 32 to 125 F 0 to 50 C Probe 4 to 210 F 20 to 98 9 C Power Supply 2 AA alkaline batteries E91 Eveready or equivalent Battery Life Approximately 300 hours Battery check Automatic low battery display Dimensions Instrument 7 1 x 3 0 x 0 8 AP1005 probe 1 diameter Weight 8 ounces with batteries Display 0 5 LCD 4 digits Options Model CG 4 charger PN 3303 with 4 NiMH batteries Extra extension rod PN 500
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