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Shortridge Instruments ADM-860C, Руководство по эксплуатации

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ADM-860C 04/14/08

iv

ILLUSTRATIONS

3.1  ADM-860C METER FRONT AND BACK

6

6.1  PITOT TUBE

28

6.2  AIRFOIL PROBE

29

6.3  VELGRID ASSEMBLY

33

7.1  STATIC PRESSURE PROBE

34

8.1 ADT442 TEMPROBE

36

8.2  AIRDATA MULTITEMP

37

10.1  FRAME STORAGE

42

10.2  FLOWHOOD IN CASE

42

10.3  FLOWHOOD ASSEMBLY

43

10.4  2X2 FRAME ASSEMBLY

44

10.5  1X4 FRAME ASSEMBLY

44

10.6  2X4 FRAME ASSEMBLY

44

10.7  1X5 FRAME ASSEMBLY

45

10.8  3X3 FRAME ASSEMBLY

45

Содержание ADM-860C

Страница 1: ...st Redfield Road Scottsdale Arizona 85260 3430 Phone 480 991 6744 Fax 480 443 1267 www shortridge com S i AIRDATA MULTIMETER ADM 860C ELECTRONIC MICROMANOMETER WITH RS232 COMMUNICATIONS PORT AIR FLOW...

Страница 2: ...5 INDIVIDUAL READINGS CONTROLLED FROM COMPUTER KEYBOARD 23 5 5 6 DOWNLOAD READINGS FROM MEMORY USING COMPUTER KEYBOARD 23 5 5 7 CONTROL BUTTONS CURSOR CONTROL AND FILE PATHS 23 5 5 8 AUTOMATIC REPEAT...

Страница 3: ...2 7 14 x14 x14 SHORT TOP SET 49 12 8 SYSTEM PROBLEMS 49 13 0 CORRECTION FACTORS 50 13 1 BAROMETRIC PRESSURE DENSITY CORRECTION LOCAL DENSITY 50 13 2 BAROMETRIC PRESSURE DENSITY CORRECTION STANDARD DEN...

Страница 4: ...EDURE 59 PROLONGING BATTERY LIFE 60 BATTERY RECYCLING 60 REPLACEMENT PARTS LIST 61 INDEX 63 Copyright Shortridge Instruments Inc 2008 All rights reserved This information may not be reproduced or dupl...

Страница 5: ...6 3 VELGRID ASSEMBLY 33 7 1 STATIC PRESSURE PROBE 34 8 1 ADT442 TEMPROBE 36 8 2 AIRDATA MULTITEMP 37 10 1 FRAME STORAGE 42 10 2 FLOWHOOD IN CASE 42 10 3 FLOWHOOD ASSEMBLY 43 10 4 2X2 FRAME ASSEMBLY 4...

Страница 6: ...er features sequential storage and recall of up to 100 individually obtained measurements with sequence tags for each value Recall of the sum and average along with the minimum and maximum readings fo...

Страница 7: ...o 2000 cfm nonbackpressure compensated readings AIR DENSITY CORRECTION The air density correction range is 14 40 in Hg and 32 F to 158 F for correction of air flow and velocity measurements The readin...

Страница 8: ...24 Volts AC to the meter Batteries may be left on charge for an unlimited time without harm The temperature of the instrument during charge should be kept between 40 F and 113 F 5 C to 45 C The meter...

Страница 9: ...m readings ON Turns the meter on Turns light on and off after meter has been turned on RCL Recalls stored readings in reverse order RCL Recalls stored readings in entry order READ Initiate measurement...

Страница 10: ...switch down or press the switch twice in close sequence PNEUMATIC PRESSURE INLETS Two pneumatic pressure inlets positive and negative are centered on the back of the meter at the top edge and may be c...

Страница 11: ...all in Entry Order RCL Recall in Reverse Order OFF Power Off after Shift ON Power On Turn Light On Off Positive Pressure Port Negative Pressure Port Flaps Jack for FlowHood Flaps Plug Threaded Insert...

Страница 12: ...cates that the absolute pressure readings will be displayed in bars 1 bar 100 kPa with reference to a vacuum C READ Display indicates that the temperature readings will be displayed in degrees Celsius...

Страница 13: ...r backpressure effects Pa nnn nn Indicates that the result represents a differential pressure measurement Pa MS nnn nn Indicates that the displayed result represents a velocity measurement m s 4 3 FUN...

Страница 14: ...emory The display shows the reading and its place in the reading sequence during a STORE process Accessed using forward RCL keys nnu nnnn Displays the number of nonbackpressure compensated readings in...

Страница 15: ...dicates the units for the reading xx n nnnn Displays the maximum greatest value reading stored in memory during a STORE sequence Displayed when the STORE key is pressed four times after HALT during th...

Страница 16: ...ains in the batteries BATT 2 3 This message may be displayed following SHIFT SHIFT and indicates that about two thirds of the useful charge remains in the batteries BATT FULL This message is displayed...

Страница 17: ...is message indicates that the display back light has been turned off Battery time is extended when the back light is turned off LIGHT ON This message indicates that the display back light has been tur...

Страница 18: ...e measurement This message is also displayed if the TemProbe or extension cord has been damaged so as to create an open circuit NOT ALLOWD This message is displayed if the user tries to select STORE m...

Страница 19: ...message is displayed during differential pressure measurements It is also displayed during the manual reading which is taken when a set of TREND readings is halted RECHARGE This message signals that...

Страница 20: ...O COLD and shut down However if there are readings in memory the meter will continue to display TOO HOT or TOO COLD and will retain the readings in memory The meter must be cooled down or warmed up as...

Страница 21: ...ack light may be turned on or off by pressing the ON OFF key while the meter is turned on The display will read LIGHT ON or LIGHT OFF as appropriate The third character colon in each READ display is r...

Страница 22: ...djusted approaches the set point TREND mode sequential readings are optimized for speed not accuracy When the air has stabilized near the required setting the meter can be switched to the MANUAL readi...

Страница 23: ...rage capacity of 100 readings has been reached STORE FULL will be displayed Press the STORE key to alternately display the average and sum or one of the RCL keys for recall of the individual readings...

Страница 24: ...gns with the red rectangle on the lower part of the jack Connect the null modem adapter to the DB9 connector on the serial cable and then plug the null modem adapter into the serial port on the printe...

Страница 25: ...nd manipulation This functionality requires either HyperTerminal Private Edition or WinWedge software from TAL Technologies Inc as well as an RS232 serial cable The procedure using HyperTerminal is su...

Страница 26: ...e Send Keystrokes To Port Settings Define Input Data Record Structure Pre Input Character Translations Pre Transfer Character Translations Serial Output Strings Hot Keys and Hot Key Actions The Mode S...

Страница 27: ...mmand or a series of commands to the meter The meter recognizes the command and responds by changing modes taking a reading or downloading stored readings from memory The function keys are set up in t...

Страница 28: ...guration file to be used Position the cursor in the cell on the spreadsheet where data entry should begin Select the appropriate mode on the meter using the predefined computer keyboard function key s...

Страница 29: ...ng immediately after each previous reading is completed Automatic readings will continue until the user selects Quit Quit or Quit Suspend Wedge in the WinWedge window Readings may also be programmed t...

Страница 30: ...D It is possible to use the printer download methods discussed in Sections 5 4 1 DOWNLOAD INDIVIDUAL READINGS TO A PRINTER and 5 4 2 DOWNLOAD READINGS IN MEMORY TO A PRINTER while connected to a compu...

Страница 31: ...ons The use of an Ak factor is not appropriate however in the measurement of face velocities work zone velocities or in calculating air flow from velocity measurements at most air movement devices suc...

Страница 32: ...nding five step procedure seems to leave little room for the art of Testing and Balancing This is not altogether true The measurement of the air velocity in Step 4 is affected by the position and orie...

Страница 33: ...lts Pitot tubes are available in several different sizes and configurations to simplify different applications which may be encountered When a pitot tube is used in internally insulated ducts small pa...

Страница 34: ...ement range of the AirFoil probe is 25 to 5 000 fpm The AirFoil probe is useful for free point air velocity measurements such as exhaust hood face velocities HEPA filters or laminar hood velocities A...

Страница 35: ...1 VELOCITY CORRECTION FACTORS The exhaust filter face velocity may also be tested with the AirFoil probe to determine exhaust air flow The cabinet manufacturer s probe position schedule should be used...

Страница 36: ...easurement range using the VelGrid is 25 to 2500 fpm Each reading represents 16 velocity points over a 14 x 14 area 1 36 sq ft The VelGrid unit is assembled by attaching the pushbutton handle to one o...

Страница 37: ...re placed directly against the perforated supply panel face The velocity average obtained in this manner can be used to calculate the volumetric air flow rate as described in Section 6 5 3 AIR FLOW CA...

Страница 38: ...ADM 860C 04 14 08 33 FIGURE 6 3 VELGRID ASSEMBLY...

Страница 39: ...open to the ambient air pressure Place the end of the tubing in one area and place the meter in the other The meter will measure the pressure differential between the two areas 7 1 1 STATIC PRESSURE...

Страница 40: ...tube into the airstream as discussed under Section 7 1 2 PITOT TUBE VELOCITY PRESSURES above The resulting differential pressure reading represents total pressure 7 2 ABSOLUTE PRESSURE The absolute p...

Страница 41: ...exposed to temperatures beyond this range The maximum recommended safe exposure range is 100 F to 250 F and the probe accuracy may be effected by exposure beyond this range Do not expose the plastic b...

Страница 42: ...e by using more than one MultiTemp switch unit connected in series piggybacking Reading and memory entry of 64 temperature points would take about two minutes after temperature probes have stabilized...

Страница 43: ...TemProbe temperature This is due to the added resistance of the additional MultiTemp s and cable s This effect is likely to be negligible at very low temperatures but may be 0 25 F per additional Mult...

Страница 44: ...hed on the display immediately prior to the display of the air flow reading The flow will be calculated using this assumed standard temperature 9 2 BACKPRESSURE COMPENSATION The air flow delivery of a...

Страница 45: ...Figures 10 4 through 10 8 to determine the frame channels needed to assemble any of the standard size frames Each frame corner section utilizes an eyelet and slot arrangement which self locks into a s...

Страница 46: ...a 2 x4 top as shown in Figures 10 5 and 10 6 The 1 x5 top requires an 8 5 dowel extender at the bottom of each support dowel The dowel end pins are to be inserted into the inner set of frame support c...

Страница 47: ...ADM 860C 04 14 08 42 FIGURE 10 1 FRAME STORAGE FIGURE 10 2 FLOWHOOD IN CASE...

Страница 48: ...ADM 860C 04 14 08 43 FIGURE 10 3 FLOWHOOD ASSEMBLY...

Страница 49: ...ADM 860C 04 14 08 44 FIGURE 10 4 2X2 FRAME ASSEMBLY FIGURE 10 5 1X4 FRAME ASSEMBLY FIGURE 10 6 2X4 FRAME ASSEMBLY...

Страница 50: ...ADM 860C 04 14 08 45 FIGURE 10 7 1X5 FRAME ASSEMBLY FIGURE 10 8 3X3 FRAME ASSEMBLY...

Страница 51: ...h hands one on the handle and the other at any convenient point on the outside of the base Set the flaps control knob to the open position Press the READ key or the thumbswitch on the FlowHood handle...

Страница 52: ...compensated and noncompensated readings are recorded separately in memory Individual readings displayed using the RCL keys will have a small sc for stored backpressure compensated readings or a small...

Страница 53: ...the change from cool set up to heated working conditions A fan which was set to deliver 5000 cfm at 75 F intake air will actually deliver only about 4610 cfm of the 75 F room air when the air is heat...

Страница 54: ...et size is not practical in most cases The standard 30 length top sizes may be used with equal accuracy on supply or return air outlets However small supply outlets at high jet velocity Punca diffuser...

Страница 55: ...e sensor is used during flow or velocity measurements If the temperature probe is not used the meter calculates the air density using an assumed temperature of 70 F If the TemProbe sensor was not used...

Страница 56: ...hermal anemometers or hot wire instruments which measure mass flow mass flux unit time Mass flow represents the number of molecules of air flowing past a given point during a given time Mass flow only...

Страница 57: ...e independently of any other meter manometer or U tube To avoid pulsation or cross talk through the pressure source tubing use shutoff valves to isolate the AirData Multimeter and the reference pressu...

Страница 58: ...ood and the velocity measurement using the AirData Multimeter and pitot tube This means that if the TemProbe is used it must be used for both types of measurements If the TemProbe is not used for eith...

Страница 59: ...arger Any attempt to service or repair anything inside the meter will void the Warranty and may cause serious damage to the sensitive electronic components The AirData Multimeter should be returned to...

Страница 60: ...al cushioning to fill the carton Do not use spray foam Spray foam can damage the meter and it is also possible to lose a meter in a chunk of spray foam Ship directly to Shortridge Instruments Inc 7855...

Страница 61: ...ular charges will apply This warranty shall be effective only if use and maintenance is in accordance with our instructions and written notice of a defect is given to the Seller within such period THI...

Страница 62: ...s for the density effect of variations in temperature Record the AirData Multimeter temperature and absolute barometric pressure reading at the beginning and end of each probe test range These reading...

Страница 63: ...e set up with different pressures of precisely the desired test differential pressure These testers must be carefully adjusted to an equal base pressure of approximately 3 psi before adding the weight...

Страница 64: ...e battery set by placing your DC voltmeter common ground probe at the left center battery clip and the other probe at the upper right corner battery clip The voltage should be between 7 2 volts and 8...

Страница 65: ...ed above The temperature during storage should be less than 95 F The batteries will function best after storage if reconditioned by performing two full cycles of 24 hour charge and full discharge foll...

Страница 66: ...ndle bracket 8 tubing harness MC84 1 Fitted foam lined carrying case IM 860C 1 Instruction manual ADM 860C SWE 1 1 WinWedge software sample template PR 245 K 1 Seiko portable printer with accessories...

Страница 67: ...plete frame assembly all of above 1x5S 1 Cloth skirt 13 x 60 827E 4 Support dowel extenders 1x5T 1 1x5 top set complete 3 x 3 TOP 91 4 x 91 4 cm 141 4 Side channel type 1 336 4 Side channel type 6 3x3...

Страница 68: ...l buttons 23 correction factors velocity 26 27 cursor control 23 data bits 19 22 data download to a computer 20 data download to printer 19 data settings 22 DENS 17 density correction 2 35 50 53 densi...

Страница 69: ...P 0 13 ON OFF key 4 6 OPEN FLAPS 13 operational temperature limits 3 outlet resistance 39 output buffer size 22 OVER FLOW 13 OVER PRES 13 OVER TEMP 13 36 OVER VEL 13 Pa nnn nn 8 Pa READ 7 parity 19 22...

Страница 70: ...e connection 27 traverse 27 TREND RDY 15 TREND readings 17 tubing 3 UNDER TEMP 15 36 UNITS 4 UNITS XX 15 vapor pressure 50 VelGrid 2 15 31 VelGrid air velocity 31 velocities low 29 velocity 7 12 13 16...

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