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Alnor Airflow Proood PH730 Owner'S Manual Download Page 55

 

Chapter 5:  Changing Capture Hoods 

47 

 

Figure 19: 1 ft. 

 5 ft. (305 mm 

 1525 mm) hood and frame. The support poles always cross as pairs at the 

front and back of the fabric hood. For the 1 ft. 

 5 ft. (305 mm 

 1525 mm), the support poles are inserted into 

the inside ferrule locations.  

 
 

2 

1 

3 

1 

2 

3 

5 

5 

Summary of Contents for Airflow Proood PH730

Page 1: ...INSTRUMENTS PROHOOD CAPTURE HOOD MODELS PH730 PH731 OWNER S MANUAL P N 6005724 REVISION F AUGUST 2017 Model PH731 ProHood Model PH730 Micromanometer Capture Hood shown with standard and optional acce...

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Page 3: ...nts of the manual Unless specifically authorized in a separate writing by Seller Seller makes no warranty with respect to and shall have no liability in connection with goods which are incorporated in...

Page 4: ...ce policy is designed to give prompt attention to any problems If any malfunction is discovered please contact your nearest sales office or representative or call Customer Service department at 800 87...

Page 5: ...tatic Pressure Port to the Micromanometer 11 Attaching the Micromanometer to the Capture Hood Base 11 Connecting the Velocity Matrix to the Micromanometer 12 Connecting the Air Flow Probe to the Micro...

Page 6: ...ood Measurements non backpressure compensated 56 Backpressure Compensated Measurements 56 ERROR Display 57 Chapter 7 Maintenance and Troubleshooting 59 Fabric Hood 59 Micromanometer 59 Manifold 59 Cas...

Page 7: ...addition to the different typeface displayed messages appear in quotes When reference is made to other sections of the manual the section title is italicized Technical Assistance Help For technical a...

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Page 9: ...ical contractors Industrial hygienists Plant engineers and facilities maintenance personnel Applications include Test balance or commission HVAC systems Test clean rooms and biological safety cabinets...

Page 10: ...anometer used in the PH730 PH731 Keypad AC Adapter Connection Display Headphone Connection USB Port Probe Connector RS 232 Port factory use only Figure 1 Features of the PH730 PH731 Micromanometer Fro...

Page 11: ...upport Pole 4 Figure 4 Features of the ProHood Capture Hood Base Inside View Micromanometer The micromanometer is a multifunction instrument used to measure air velocity air flow barometric and differ...

Page 12: ...ty testing and other applications such as kitchen exhaust Air Flow Probe The air flow probe model 800187 is an 18 46 cm straight pitot tube used to obtain single point air velocity or air volume measu...

Page 13: ...e raised to desired height and locked in place Hood stand uses wheels for ease of movement and portability and is ideally suited for use LogDat Mobile Software LogDat Mobile Software LogDat Mobile And...

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Page 15: ...ion certificate N A Velocity Matrix Add On Kit 801090 Air Flow Probe 18 46 cm straight pitot probe 800187 Temperature and Humidity Probe 800220 Air Velocity and Temperature Straight Probe 960 Air Velo...

Page 16: ...ge the NiMH batteries when the DIP switch in the battery compartment is set to NiMH If the DIP switch is set to Alkaline and the AC power adapter is connected then the batteries will be bypassed and t...

Page 17: ...see Figure 5 2 Press down on the compartment cover and slide it down The cover slides off 3 Remove the battery holder by pulling up on the bottom to loosen it and then remove the battery holder 4 Rem...

Page 18: ...omanometer to various pressure based tools including the ProHood Capture hood Pitot tubes Air Flow probe straight pitot probe Velocity Matrix and static pressure probes Tubing is used to connect the p...

Page 19: ...robe will be connected to the port on the micromanometer The port on the micromanometer will be open to atmosphere see Figure 9 The Static Pressure probe is used to measure the duct static pressure an...

Page 20: ...ed to the port on the micromanometer and the negative port on the Velocity Matrix is connected to the port on the micromanometer Standoffs can be screwed together to make different lengths and are use...

Page 21: ...ed to the and pressure ports on the micromanometer using two pieces of tubing of equal length The total pressure port of the probe connects to the port on the meter and the static pressure port of the...

Page 22: ...rmoanemometer Probes or Temperature and Humidity Probe The telescoping thermoanemometer probe contains the velocity temperature and humidity sensors When using the probe make sure the sensor window is...

Page 23: ...nce serious injury could result I M P O R T A N T N O T I C E Be sure to retract the probe properly to avoid damage NEVER retract the probe by pushing on the tip This action can cause the cord to beco...

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Page 25: ...MENU Figure 14 Keypad Functions Keypad Function Description ON OFF I O Key Press I O to turn the meter on and off During the power up sequence the display will show the following Model Number Serial N...

Page 26: ...MENU Press the Menu key to access the Menu selections which are Pressure Tool Display Setup Flow Setup Actual Std Setup Data Logging Bluetooth Functions Applications Cf Selection and Calibration Comm...

Page 27: ...Log Interval is used with Cont Key RunAvg and Cont time RunAvg logging modes Test Length This is the time over which the data will be logged in the Continuous Time mode of data logging Sum The sum of...

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Page 29: ...tions Cf Selection Calibration PRESSURE TOOL Capture Hood Pressure Only Pitot tube AF Probe Velocity Matrix Pressure K factor None Capture Hood For measuring flow from grilles and diffusers Pressure O...

Page 30: ...low units Air Flow Probe Velocity Air Flow Probe Flow ft min m s l s m3 hr m3 s CFM with velocity units Velocity Matrix ft min m s Pressure units with K factor and flow units Diffuser Flow l s m3 hr m...

Page 31: ...ement will be displayed as a secondary parameter up to 4 can be displayed When set to OFF measurement will not be displayed MENU Pressure Tool Display Setup Flow Setup Actual Std Setup Settings Data L...

Page 32: ...YPE Round duct Rectduct Ductarea ENTER SETTINGS 12 0 in dia Flow Setup Pressure K factor When the Pressure Tool is set to Flow K factor up to four 4 user adjustable K factors can be defined within the...

Page 33: ...ta Logging Bluetooth Functions Applications Cf Selection Calibration ACTUAL STD SETUP Setting Standard Temp Source Entered PREVIOUS NEXT SETTING Standard Actual TEMP SOURCE Entered Temp 70 0 F Probe T...

Page 34: ...DD YY Number Format XX XXX YY Backlight Auto Auto Off Enable RS232 Baud Rate 9600 Deadband Enable Headphone Input Enable RS232 Baud Rate Sets the speed a computer will accept information Deadband The...

Page 35: ...te Data Memory MEASUREMENTS Pressure ON Baro Pressure OFF Velocity Pitot DISPLAY Flow Pitot round duct DISPLAY DISPLAY ON Log Mode Display Mode The instrument can be programmed to store measurements t...

Page 36: ...ng can be saved by pressing the SAVE or key The reading can be discarded by pressing ESC Pressing READ will discard the current measurement and the meter will start taking a new sample Manual RunAvg I...

Page 37: ...al RunAvg Log Settings Choose Test Test 001 Name Test View Data Delete Data Memory LOG MODE DISPLAY MODE Manual Single Manual RunAvg Auto Save RunAvg Cont Key RunAvg Cont Time RunAvg When set to Auto...

Page 38: ...Log Mode Display Mode Manual RunAvg Log Settings Choose Test Test 001 Name Test View Data Delete Data Memory LOG MODE DISPLAY MODE Manual Single Manual RunAvg Auto Save RunAvg Cont Key RunAvg Cont Tim...

Page 39: ...og Settings Choose Test Test 001 Name Test View Data Delete Data Memory LOG MODE DISPLAY MODE Manual Single Manual RunAvg Auto Save RunAvg Cont Key RunAvg Cont Time RunAvg When set to Cont time the lo...

Page 40: ...Log Mode Display Mode Manual RunAvg Log Settings Choose Test Test 001 Name Test View Data Delete Data Memory CHOOSE TEST Test 001 9 Samples Test 002 7 Samples Test 003 20 Samples Test 004 15 Samples...

Page 41: ...the number of samples date and time the samples were taken MENU Pressure Tool Display Setup Flow Setup Actual Std Setup Settings Data Logging Bluetooth Functions Applications Cf Selection Calibration...

Page 42: ...wireless printer or PC capable of Bluetooth communications To use the PRINT key Bluetooth communications must be established between the meter and the Model 8934 wireless printer or PC set up with Blu...

Page 43: ...g Settings Choose Test Test 022 Name Test View Data Delete Data Memory DELETE DATA Delete All Delete Test Delete Sample Delete All will clear stored data in all Test IDs MENU Pressure Tool Display Set...

Page 44: ...mples Test 005 7 Samples Test 006 15 Samples Test 007 15 Samples DATES DELETE TEST Delete Test 005 Are you sure NO YES Delete Sample will clear the last sample in an individual Test ID selected by the...

Page 45: ...Bluetooth capable devices MENU Pressure Tool Display Setup Flow Setup Actual Std Setup Settings Data Logging Bluetooth Functions Applications Cf Selection Calibration BLUETOOTH FUNCT Discover Devices...

Page 46: ...arious tests or investigations Applications include Heat flow Turbulence and Log Tchebycheff Duct Traverse For more information on these applications refer to the following information Heat Flow calcu...

Page 47: ...gle Meter will display READY o Press READ to initiate measurement o Sample countdown based on the Time Constant setting will be displayed When Sample countdown is complete o Press SAVE to store the me...

Page 48: ...the Cf Selection screen Note Calibration factors are not available for the Pressure Only or Flow K factor tools Calibration The Calibration Menu lists measurement parameters that can be adjusted in th...

Page 49: ...es downloading software called LogDat CH LogDat CH software transfers the stored data from the meter to a computer as a spreadsheet file This software is useful for applications such as duct traverses...

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Page 51: ...ood Assembly The Capture Hood is shipped from the factory partially assembled with the 2 ft 2 ft 610 mm 610 mm nylon hood attached to the base If you want to use another hood size see Changing Capture...

Page 52: ...he hood and include 2 ft 4 ft 610 mm 1220 mm 1 ft 4 ft 305 mm 1220 mm 1 ft 5 ft 305 mm 1525 mm and 3 ft 3 ft 915 mm 915 mm To change hood sizes first remove the hood currently attached to the base To...

Page 53: ...different length and a corner piece This corner piece has an eyelet and slot arrangement which mates with a similar eyelet and slot at the end of the straight portion of the channel pieces see Figure...

Page 54: ...airs at the front and back of the fabric hood For the 2 ft 4 ft 610 mm 1220 mm the support poles are inserted into the inside ferrule locations The number 1 and 5 channels also have a wing nut at the...

Page 55: ...re 19 1 ft 5 ft 305 mm 1525 mm hood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 1 ft 5 ft 305 mm 1525 mm the support poles are inserted into the...

Page 56: ...3 ft 3 ft 915 mm 915 mm hood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 3 ft 3 ft 915 mm 915 mm the support poles are inserted into the outside...

Page 57: ...the frame first and then to the base unit By stretching around the frame corners the cord is slightly reduced in diameter and is easier to press into the frame channel Note The hood corners should al...

Page 58: ...igure 24 Direct Inflow Measurement Hood Components To complete the assembly of the BSC hood follow these seven steps 1 Remove the plug located at the back of the base assembly and insert the Philips s...

Page 59: ...Use the different flap lengths to fit various cabinet widths Figure 26 Attach Fabric Hood and Hood Support Poles to Frame and Base Assembly 4 Mount the capture hood base to the telescopic stand by fas...

Page 60: ...f the hood frame rests against the cabinet opening and the capture hood is horizontal to the cabinet see Figure 28 Figure 28 Adjust Height and Position of Telescopic Stand 6 Lower the sash of the cabi...

Page 61: ...Adjust the flaps to cover the opening of the cabinet Tape the edges of the flaps to the sash and frame of the cabinet to create a tight fit The unit is now ready to make measurements see Figure 30 Fig...

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Page 63: ...AIR FLOW IN DUCTS YOU MAY COME INTO CONTACT WITH OR BE EXPOSED TO DUST POLLEN MOLD FUNGUS OR OTHER AIRBORNE CONTAMINANTS IF YOU ARE OR MAY BE SENSITIVE TO DUST POLLEN MOLD FUNGUS OR OTHER AIRBORNE CON...

Page 64: ...surement results especially when the flow is greater than 500 ft 3 min 850 m3 hr 235 l s Make sure that Capture Hood Back with Pressure Compensation is selected from the Pressure Tools menu Backpressu...

Page 65: ...t to remove and replace the Capture Hood between the two readings However if the flow is changed or changing between the two measurements the measurement results will be inaccurate ERROR Display For t...

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Page 67: ...dust or other material clean them with a damp cloth The manifold should be kept in place during cleaning Do not apply excessive forces on the grid of the manifold If any part of the grid is damaged pl...

Page 68: ...ts Replace or recharge the batteries Clean the battery contacts 888888 flashing on display The pressure is too high to measure This same display is shown if measuring velocity or flow and the pressure...

Page 69: ...rst with the back pressure flap OPEN and the second with the flap CLOSED The resulting Backpressure Compensated Flow displayed by the meter represents the air flow through the diffuser grille in its o...

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Page 71: ...am from any turns or flow obstructions It is possible to do a traverse as little as 2 duct diameters downstream and 1 duct diameter upstream from obstructions but measurement accuracy will be impaired...

Page 72: ...en across the duct averaging the velocities obtained at each measuring point Then the average velocity is multiplied by the duct area to get the flow rate A different method uses 2 holes at 90 from ea...

Page 73: ...es of 30 to 36 inches 6 points must be taken For duct sides greater than 36 inches 7 points must be taken Multiply the numbers in the table times the duct dimension to get insertion depth for the prob...

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Page 75: ...HVAC components are designed to deliver a volume of air to the targeted space with movement that entrains or mixes with the room air and increases optimal temperature uniformity and minimal sensible d...

Page 76: ...upstream of the tested Swirl Diffusers 20 10 0 10 20 30 40 0 100 200 300 400 500 600 700 Measurement Error of Flow Flow m3 hr PH731 Performance Data SwirlDiffuser on 200mm Dia Duct PH731 with Swirl X...

Page 77: ...n and Usage 1 Put the two pieces together and place it in the base as shown below it will sit on top of the flange of the base 2 Install the support rods and 2 x 2 610 mm x 610 mm frame fabric 3 When...

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Page 79: ...ading 0 0001 in H2O 0 025 pa static and differential 2 of reading barometric Velocity 3 of reading 7 ft min 0 04 m s 50 ft min 0 25 m s Volume 3 of reading 7 ft 3 min 12 m3 h 50 ft 3 min 85 m3 h Rh 3...

Page 80: ...Instruments Ltd Visit our website at http tsi com Airflow Instruments for more information UK Tel 44 149 4 459200 France Tel 33 1 41 19 21 99 Germany Tel 49 241 523030 P N 6005724 Rev F 2017 TSI Incor...

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