PCE Instruments PCE-007 Manual de usuario

Manual

HVAC Meter

PCE-007

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

1. Features ..........................................................................................................................3

2. Front Panel Description.................................................................................................3

2.1. LCD..................................................................................................................................4

3. Operation Instruction.....................................................................................................5

3.1. Measurement of Wind Velocity (refer to figure 2).......................................................5

3.2. Measurement of Wind/Air Temperature........................................................................5

3.3. Measurement of Wind/Air Flow (Instant Air Flow).......................................................5

3.4. Measurement of Wind/Air Flow (2/3Vmax Air Flow)....................................................6

3.5. Measurement of Wind/Air Flow (Average Air Flow).....................................................6

3.6. Holding the Reading.......................................................................................................6

3.7. Finding the Maximum or Minimum values ...................................................................6

3.8. To Record One Data (One Shot, Sampling Time = 0) ..................................................7

3.9. To Record Data Continuously (Sampling Time <> 0) ..................................................7

3.10. To Read Data Stored in Memory Sequentially......................................................7

3.11. To Read Data Stored in Memory Randomly..........................................................7

3.12. To Send Data Out to PC through RS-232C (AVM-07) ...........................................7

3.13. The Data Format of 15 Data Sent Out to RS-232...................................................7

3.14. Down Load Data to Personal Computer (AVM-07) ...............................................8

3.15. Data Format Stored in Memory..............................................................................8

4. WindowsTM Application Program ................................................................................9

4.1. Installation of the WindowsTM Application Program..................................................9

4.1.1. For Windows 3.1......................................................................................................9

4.1.2. For Windows 95.......................................................................................................9

4.2. Description of WindowsTM Application Program .......................................................9

5. Specifications( 23 ± 5°C).............................................................................................13

6. Battery Replacement....................................................................................................15

1. Features

z Sensitive and Accurate (ultra low friction jewel bearing)

z Flow (CMM, CFM),

z Velocity (m/s, ft/min, knots, km/hr, mph)

z Dual Display (VEL + Temperature, FLOW + AREA)

z Memory of 2000 Records

z One Shot or Continuous Recording

z Sampling time set by keypad

z RS-232C interface (PCE-007)

z °C/ °F

z Ergonomic and easy-to-use design

z Read while measuring (detached vane)

z Large 17mm 3 ½ digits LCD (Liquid Crystal Display)

z Hold/Max/Min function

z Build-in low battery indicator

2. Front Panel Description

Figure 1

1 LCD

2 Detached Vane

3 On/Off Button

4 RS-232C Interface

5 Function and Numerical Keypad

2.1.LCD

AVE: When method of average is selected by OPTION button for flow measurement, this symbol will

appears.

MIN: When MAX/MIN button is pressed twice, this symbol will appear to indicate MIN value of ever

measured value for either velocity or flow is displayed in LCD

2/3V: This symbol will be displayed together with MAX when 2/3VMax method is selected by

OPTION button in flow measurement.

MAX: When MAX/MIN button is pressed once, this symbol will appear to indicate MAX function is

enable.

VEL: When VEL/FLOW button (number 4) is pressed, this symbol will appear to indicate

anemometer is measuring wind velocity.

READ: When the read function is enabled to read data stored in the anemometer, this symbol will

appear.

REC: When the anemometer is recording data, this symbol will appear.

RS-232: When the RS-232 function is enabled, this symbol will appear.

ft2: This symbol is used to indicate free area in square feet when in flow function.

m2: This symbol is used to indicate free area in square meter when in flow function.

°C: This symbol is used indicate temperature in Celsius.

°F: This symbol is used to indicate temperature in Fahrenheit.

CFM: This symbol is used to indicate unit in cubic feet per minute.

CMM: This symbol is used to indicate unit in cubic meter per minute.

x100: This symbol is to used indicate the actual value is the value display in LCD multiplied by 100.

x10: This symbol is to used indicate the actual value is the value display in LCD multiplied by 10.

m/s: This symbol is to used indicate the unit is in meters per second.

ft/min: This symbol is to used indicate the unit is in feet per minute.

MPH: This symbol is to used indicate the unit is in miles per hour.

Km/h: This symbol is to used indicate the unit is in kilometers per second.

3. Operation Instruction

Figure 2

3.1.Measurement of Wind Velocity (refer to figure 2)

1. Press the on/off button to turn on the anemometer.

2. Select anemometer function by pressing the VEL/FLOW button (number 4). VEL symbol will appear

in LCD.

3. Press the unit button (number 3) to select desired unit.

4. Determine the approximate wind direction.

5. Hold the anemometer so that the air flow will pass through the vane from the back to the front (the

back: where the mounting nut is; the front: where engraving of ANEMOMETER is).

6. Wait for 2 seconds for a stabilized reading

7. For more accurate results, try to keep the axis of the vane within 20° of the wind direction.

3.2.Measurement of Wind/Air Temperature

1. When the meter is measuring wind velocity, the temperature of wind is measured at the same time.

2. Select °C or °F by pressing °C/°F button (number 6).

3. Let the wind pass through the vane ( A thermocouple is built into the center of the vane).

4. Read the temperature reading from LCD.

3.3. Measurement of Wind/Air Flow (Instant Air Flow)

1. Press the on/off button to turn on the anemometer.

2. Press the VEL/FLOW button (number 4) to select FLOW function. FLOW symbol will appear in LCD.

3. Press the unit button (number 3) to select the desired unit (CFM or CMM).

4. The previous stored free area will be displayed in upper LCD. To enter new free area, press AREA

(number 0) button. The lower four digits will become blank, and anemometer wait for users to enter.

5. Press the OPTION button several times until none of AVE or 2/3VMAX is shown in LCD.

6. Users enter free area by pressing the numerical keypad. After free area is entered, press ENTER

button to end. The anemometer will also automatically exit entering if all 4 digits are entered.

7. Determine the approximate wind direction.

8. Hold the anemometer so that the air flow will pass through the vane from the back to the front (the

back: where the mounting nut is; the front: where engraving of ANEMOMETER is).

9. Wait for 2 seconds for a stabilized reading. The flow value equals velocity time’s free area.

10. For more accurate results, try to keep the axis of the vane within 20° of the wind direction.

3.4. Measurement of Wind/Air Flow (2/3Vmax Air Flow)

1. Press the on/off button to turn on the anemometer.

2. Select anemometer function by pressing the VEL/FLOW button (number 4). FLOW symbol will appear

in LCD.

3. Select the desired unit (CFM or CMM) by pressing the unit button (number 3).

4. The previous stored free area will be displayed in upper LCD. To enter new free area, press AREA

(number 0) button. The lower four digits will become blank, and anemometer wait for users to enter.

5. Press the OPTION button to select 2/3VMAX method.

6. Users enter free area by pressing the numerical keypad. After free area is entered, press ENTER

button to end. The anemometer will also automatically exit entering if all 4 digits are entered.

7. Determine the approximate wind direction.

8. Move around the center of free area to measure the maximum velocity of wind velocity. The

anemometer will record the maximum value and use it to calculate the wind flow.

9. For more accurate results, try to keep the axis of the vane within 20° of the wind direction.

3.5.Measurement of Wind/Air Flow (Average Air Flow)

1. Press the on/off button to turn on the anemometer.

2. Select anemometer function by pressing the VEL/FLOW button (number 4). FLOW symbol will appear

in LCD.

3. Select the desired unit (CFM or CMM) by press the unit button (number 3).

4. The previous stored free area will be displayed in upper LCD. To enter new free area, press AREA

(number 0) button. The lower four digits will become blank, and anemometer wait for users to enter.

5. Press the OPTION button to select AVE method.

6. Users enter free area by pressing the numerical keypad. After free area is entered, press ENTER

button to end. The anemometer will also automatically exit entering if all 4 digits are entered.

7. Press the START button (dot) to clear the upper LCD to zero.

8. Determine the approximate wind direction.

9. Select measuring point in the free area. Once a point is selected, press the NEXT button (dot) to

average the wind flow. The value in the upper LCD will increment by one to indicate how many points

have been averaged. The maximum number of points is 12.

10. For more accurate results, try to keep the axis of the vane within 20° of the wind direction.

3.6.Holding the Reading

Press the hold button to hold the reading of values in LCD.

3.7.Finding the Maximum or Minimum values

Press the MAX/MIN button to record the maximum or minimum values of wind velocity and temperature

or flow.

FLOW = VELOCITY ´(FREE AREA)

3.8.To Record One Data (One Shot, Sampling Time = 0)

1. Set the sampling time to 0 by pressing the SAMPLE button (number 0) in the VEL mode (measuring

velocity of wind). The previous stored sampling time will be displayed in upper LCD.

2. Enter number 0 and press ENTER button.

3. Every time REC button is pressed, the data in LCD is stored in memory (the data is always kept even

battery is removed later.)

3.9.To Record Data Continuously (Sampling Time <> 0)

1. Set the sampling time to desired value (1 to 240) by pressing the SAMPLE button (number 0) in the VEL

mode (measuring velocity of wind). The previous stored sampling time will be displayed in upper LCD.

2. Enter desired number and press ENTER button.

3. Once the REC button (number 9) is pressed, the data in LCD is stored continuously in memory at the

specified sampling time. (the data is always kept even battery is removed later.). The REC symbol will be

shown in LCD to indicate the status of recording. Maximum number of records is 2000.

4. To stop recording, press the REC button (number 9 ) again to stop recording. If users turn the power off

without pressing the REC button (number 9), the data is lost. Because the information of last record is

not stored. But if all 2000 records are stored, anemometer will stop recording and store the information of

last record in memory.

3.10. To Read Data Stored in Memory Sequentially

1. Press the READ button (number 7) to read data stored in memory sequentially.

2. The RECORD NUMBER will be displayed in the upper LCD before the data is displayed. The data will

roll over to the first record if the last record is read.

3. To exit READ mode, press RESET button (number 8).

3.11. To Read Data Stored in Memory Randomly

1. Once anemometer is in READ mode, users can still read a random record in memory.

2. Press SAMPLE button (number 0). and enter the record number (The anemometer is already in READ

mode).

3. Press the READ button (number 7) then the desired record will be displayed in LCD.

4. To exit READ mode, press RESET button (number 8).

3.12. To Send Data Out to PC through RS-232C (AVM-07)

1. Holding the RS-232 button (number 1) while turning power on will enable RS-232 function. RS-232

symbol will be shown in LCD.

2. 15 bytes of data will be sent out to RS-232C port every one second.

Note: The RS-232 function will be automatically disabled, if continuously data recording is enabled.

3.13. The Data Format of 15 Data Sent Out to RS-232

Byte1: 0D (hex)

Byte2: bit4: Velocity OL, bit5: Area OL, bit6: temperature OL.

Byte3: 0: m/s, 1: ft/min, 2: knots, 3:km/hr, 4:MPH

Byte4: bit2: MAX, bit3: MIN, bit4:0-VEL, 1:FLOW, bit5: 0-Degree C, 1-Degree F, bit7: RS-232

enabled.

Byte5: bit0: 0-CMM, 1-CFC, bit3: Low Battery, bit4: temperature -OL, bit5: AVE, bit6: 2/3Vmax,

bit7: Instant

Byte6: Lower LCD decimal point.

bit0: x100, bit1: x10, bit2: x1, bit3: dp1 (right most), bit4: dp2, bit4: dp3 (left most).

Byte7: Upper LCD decimal point

bit2: x1, bit3: dp1 (right most), bit4: dp2, bit5: dp3 (left most).

Byte8: Digit 3 (most significant) in upper LCD.

Byte9: Digit 2 in upper LCD.

Byte10: Digit 1 in upper LCD.

Byte11: Digit 0 (least significant) in upper LCD.

Byte12: Digit 3 (most significant) in lower LCD.

Byte13: Digit 2 in lower LCD.

Byte14: Digit 1 in lower LCD.

Byte15: Digit 0 (least significant) in lower LCD.

3.14. Down Load Data to Personal Computer (AVM-07)

Press the D. LOAD button (number 5) to send all the data stored in memory to RS-232 port.

3.15. Data Format Stored in Memory

Byte0: 0D (hex)

Byte1: Calibration Data 0

Byte2: Calibration Data 1

Byte3: Calibration Data 2

Byte4: Sampling Time

Byte5: Last Record Number (low byte)

Byte6: Last Record Number (high byte)

Byte7: Free Area (low byte)

Byte8: Free Area (high byte)

Byte9: Decimal point of area(refer to byte 778)

Byte10-768 Reserved

Byte769-784 Record 1(16 bytes per record)

Byte769: Digit 0 (least significant) in lower LCD.

Byte770: Digit 1 in lower LCD.

Byte771: Digit 2 in lower LCD.

Byte772: Digit 3 (most significant) in lower LCD.

Byte773: Digit 0 (least significant) in upper LCD.

Byte774: Digit 1 in upper LCD.

Byte775: Digit 2 in upper LCD.

Byte776: Digit 3 (most significant) in upper LCD.

Byte777: Upper LCD decimal point

bit2: x1, bit3: dp1 (right most), bit4: dp2, bit5: dp3 (left most).

Byte778: Lower LCD decimal point.

bit0: x100, bit1: x10, bit2: x1, bit3: dp1 (right most), bit4: dp2, bit4: dp3 (left most).

Byte779: bit0: 0-CMM, 1-CFM, bit3: Low Battery, bit4: temperature -OL, bit5: AVE, bit6: 2/3Vmax,

bit7: Instant

Byte780: bit2: MAX, bit3: MIN, bit4:0-VEL, 1:FLOW, bit5: 0-Degree C, 1-Degree F, bit7: RS-232

enabled.

Byte781: 0: m/s, 1: ft/min, 2: knots, 3:km/hr, 4:MPH

Byte782: bit4: Velocity OL, bit5: Area OL, bit6: temperature OL.

Byte783: Not used

Byte784: Not used

Byte785-32768 Record number 2 to Record 2000

4. WindowsTM Application Program

4.1.Installation of the WindowsTM Application Program

4.1.1. For Windows 3.1

A. Start MicrosoftTM WindowsTM

B. Insert disk in drive A (or B)

C. From Program Manager, select File menu and choose Run

D. Type a:\setup (or b:\setup) and press Enter key

4.1.2. For Windows 95

A. Start WindowsTM 95

B. Insert disk in drive A (or B)

C. Press START button, then select Run

D. Type in a:\setup (or b:\setup) and press Enter key

4.2. Description of WindowsTM Application Program

Main Window:

When the program is executed, the program automatically searches for connected anemometer or

available serial port. If no serial port is available, then a message of "No communication port" will be

displayed, and the program exits. Once communication port is setup, a main window will be displayed on

the screen as below:

Sample: The value under SAMPLE is the sampling time.

Temperature: Temperature of air or wind.

Option: Display option of anemometer. MAX, MIN,

AVE, 2/3V max.

Unit: Display units of velocity or flow (m/s, ft/min,

knot, mph, kmh, CFM, or CMM)

Value: The value under VALUE is the reading from the

anemometer.

Range: The text displayed under RANGE is the range

of the unit selected at the anemometer.

Minimum: The minimum value ever recorded by PC.

Reset: Clear minimum and maximum value recorded.

Maximum: The maximum value ever recorded by PC.

Lower: The minimum value of the range specified.

Upper: The maximum value of the range specified.

File: If you select File, a pull down menu will show six options:

Name, Start Recording, End Recording, VIEW, Plot Data from

File, and Exit.

Name: Enter file name to store data displayed in LCD at specified interval.

Start Recording: Start recording when selected

End Recording: End recording when selected.

VIEW FILE:

If the View option under FILE in the Main Window is selected, a view window will be shown as above, and the

users can review your ASCII data file. If a printer is connected to the PC, users can print out content

selectively.

File: Open user’s data file by selecting this menu. Users will be asked to enter file name. After the name

being entered, program will read in one block of data. Number of records in one block depends on the

memory size of PC. The bigger memory, the more records in one block.

Blocks Read:

Indicate how many blocks of records have been read.

Records Read:

Indicate how many records have been read.

Chars./Record:

Indicate how many characters in one record.

Current Block:

Indicate the current block number being reviewed.

Selected:

Indicate the current record number being selected.

Plotting Data from File

If the "Plot Data from File" option under FILE is selected in the Main Window, a Plot Window will be shown, and

the users can plot curve of your data file. If a printer is connected, users can print out the curve.

File: Open the file to plot data from

Select: Select one of the items Velocity, Temperature, Flow, or Area to plot

Scale: Set the scale of Y-axis.

X Label: Users can select sequence number (1,2,3,4,...) or time (12:00:01, 12:00:05, ...) as X-axis label.

Title: Enter the title for X-axis, Y-axis, or Graph.

Grid: Draw Horizontal, Vertical grids or both.

Zoom: Zoom into the graph. The zoom size is limited to 3600 points.

Statis: Statistics. This function allows users to plot average value,

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