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Met One Instruments BT-620, Руководство пользователя

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BT-620 Manual 

Page 9 

 

BT-620-9800 Rev B 

 

 
 

Component 

Description 

Display 

4X20 character LCD display (backlit) 

Keyboard 

8 key membrane keypad 

Printer 

On Board thermal printer 

Power Switch 

Switch that turns the BT-620 on or off (up for on). 

Charger Jack 

Input jack for the battery charger. This jack charges the internal 
battery pack and provides continuous operating power for the unit. 

Inlet Nozzle 

Ambient air inlet nozzle.  Connect isokinetic probe to reduce 
turbulence in the air sample.   

T/RH Connector 

Mating connector for the optional external Temperature/RH sensor. 

USB I/O 

USB communication port 

USB Flash Drive 

Export sample data to USB memory stick 

RS-232 Serial Port 

Connection used for serial communication  

RS-485 Serial Port 

Connection used for long distances (4,000 feet) or multi-drop (32 
units) 

Ethernet Port 

Ethernet connection 

Analog out 

Two analog output channels (0-5V = 0 – FS Counts). FS (Full Scale) is 
settable from 0 to 9,999,999 counts.  

1.3. 

Default Settings 

The BT-620 comes with the user settings configured as follows. 

Parameter 

Value 

Sample Location 

1 

Sample Mode 

Single 

Sample Time 

60 seconds 

Sample Hold Time 

0 seconds 

Count Units 

CF 

Temperature Units 

C 

Baud Rate 

9600 

Serial Output 

RS-232 

1.4. 

Initial Operation 

Before operating the BT-620 for the first time, it is recommended that the unit be fully 
charged.  Information regarding battery charging is found in Section 6. Complete the 
following steps to verify proper operation.   

1.  Press the top of the power switch to turn on power.  
2.  Observe the Startup Screen for 2 seconds then the Operate Screen (Section 3.2) 
3.  Press Start / Stop key. The BT-620 will sample for 1 minute and stop. 

Содержание BT-620

Страница 1: ...nstruments Inc 1600 Washington Blvd Grants Pass Oregon 97526 Telephone 541 471 7111 Facsimile 541 471 7116 Regional Service 3206 Main St Suite 106 Rowlett Texas 75088 Telephone 972 412 4715 Facsimile...

Страница 2: ...g normal business hours 7 30 a m to 4 00 p m Pacific Standard Time Monday through Friday Voice 541 471 7111 Fax 541 471 7116 E Mail service metone com Mail Technical Services Department Met One Instru...

Страница 3: ...ut 14 3 4 3 Sample Mode 14 3 4 4 Sample Time 14 3 4 5 Hold Time 14 3 4 6 Sample Timing 15 4 Main Menu 15 4 1 Edit Main Menu Items 16 4 2 Sample Setup Screen 16 4 2 1 Location Number 16 4 2 2 Sample Ti...

Страница 4: ...1 2 To replace the battery pack 25 7 Serial Communications 26 7 1 Commands 26 7 1 1 Computer Mode 26 7 1 2 User Mode 27 7 2 Real Time Output 28 7 3 Comma Separated Value CSV 28 7 4 Printer Style 29 7...

Страница 5: ...ions cover unpacking layout and performing a test run to verify operation 1 1 Unpacking When unpacking the BT 620 and accessories inspect the carton for obvious damage If the carton is damaged notify...

Страница 6: ...1 Standard Equipment BT 620 Battery Charger PN 81751 Iso Kinetic Inlet PN 81752 Zero Filter PN 81754 USB Cable PN 500784 Manual PN BT 620 9800 Calibration Certificate Comet Software CD PN 80248 Parti...

Страница 7: ...6 BT 620 9800 Rev B Figure 2 Optional Equipment BT 620 Optional Equipment Temperature Humidity Probe PN G3120 Flow Meter PN 81755 Serial Cable PN 550065 Replacement Battery Pack PN 81769 Battery Char...

Страница 8: ...BT 620 9800 Rev B 1 2 Layout Figure 3 shows the layout of the BT 620 and the following table provides a description of the components Keyboard Display Temp RH Connector Inlet Nozzle Carrying Handle Pr...

Страница 9: ...BT 620 Manual Page 8 BT 620 9800 Rev B Figure 3 BT 620 Layout Power Switch Charger Jack RS 232 USB I O RS 485 Analog Out Ethernet...

Страница 10: ...rial Port Connection used for long distances 4 000 feet or multi drop 32 units Ethernet Port Ethernet connection Analog out Two analog output channels 0 5V 0 FS Counts FS Full Scale is settable from 0...

Страница 11: ...ate Screen when in the Main Menu Screen Cancel editing Returns the field to the original value before editing began Loads the screen associated with menu item View history when Operate Screen is displ...

Страница 12: ...per into the printer lift the printer door latch from the center until to door opens Figure 6 Install Paper and Close Printer Door Place a roll of paper in the printer bay with the free end up and com...

Страница 13: ...o display and print any two of the six standard sizes see Section 3 3 1 Particle counts units are user selectable The selections include Total counts TC particles per liter L particles per cubic foot...

Страница 14: ...unt system to initialize COUNTING 58 BT 620 is sampling The time remaining is displayed to the far right HOLDING 10 BT 620 is in auto mode and is waiting for the hold time to finish The time remaining...

Страница 15: ...stopped from either the Operate Screen or the main menu 3 4 2 Real Time Output BT 620 provides real time output on the serial port at the end of each sample The format of the output is controlled by...

Страница 16: ...then press Enter to display a screen where you can view or change item setting s SAMPLE SETUP SETTINGS SERIAL PRINTER FAVORITES SET SIZES CALIBRATE FLOW SET CLOCK SET CONTRAST ABOUT Figure 13 BT 620 M...

Страница 17: ...C to cancel and return to the original value 4 2 Sample Setup Screen Figure 14 shows the Sample Setup Screen The 4 parameters are covered in the following sections LOCATION 001 SAMPLE TIME 060 HOLD TI...

Страница 18: ...he BT 620 supports total counts TC particles per liter L particles per cubic foot CF and particles per cubic meter M3 Particle count information updates while the unit is sampling Concentration values...

Страница 19: ...ial Output Mode The Serial Out setting controls the behavior of the BT 620 serial output The modes are RS232 RS485 Printer or Network see Section 6 for serial communication protocol The following tabl...

Страница 20: ...6 2 Favorites Sizes SIZE Select 2 of the 6 standard sizes Favorite 1 is 0 3 m in Figure 18 above 4 6 3 Favorites Alarm Limits ALARM Favorites count alarm limit A zero 0 value disables the count alarm...

Страница 21: ...the unit will display Waiting 3 Afterwards use the up and down arrow keys to adjust the flow until the reference flow meter reads within tolerance You will need to wait a few seconds after each adjus...

Страница 22: ...ATE 18 AUG 06 TIME 11 25 36 Figure 22 Set Clock Screen Date Time Formats Date dd mmm yy dd day mmm month yy year Time hh mm ss Hh hours mm minutes ss seconds 4 10 Set Contrast Screen Press or to impro...

Страница 23: ...er and change the date time to a more recent date time COPY TO USB DRIVE FROM 01 JAN 10 12 00 PRESS START TO BEGIN Figure 26 Print Data Screen Press the Start button to initiate the copy process Press...

Страница 24: ...he panel mounted printer always prints in PRINTER output format The output format for the serial port is selected in the Serial Screen Edit the location and time range to select which sample events to...

Страница 25: ...st data will be overwritten by new data 5 4 2 Clearing memory To clear memory press the ENTER key while viewing the Memory Screen This will delete all the sample events in memory A warning screen will...

Страница 26: ...er to the AC outlet 4 The battery charger LED will be Red during charging Phase 1 constant current It will turn Orange during Phase 2 constant voltage At this point the battery is 80 95 charged The LE...

Страница 27: ...screen below If an AutoPlay pop up window appears select Run AutoRun exe Finally select USB Drivers to start the install process 7 1 Commands The BT 620 provides serial commands for accessing stored...

Страница 28: ...st match computer settings Baud Rate Selectable see Section 4 2 4 Parity None Stop Bits 1 Command Description H Displays the help menu 1 Returns the units settings information 2 Returns all available...

Страница 29: ...84 00 7 00654892 01 0 00245849 02 0 00055104 05 0 00 031790 023 040 001 010 00 3 00 5 000 00086 CSV Fields Field Parameter Example Value Notes 1 Date and Time 2013 09 30 10 04 05 2 Channel 1 Size 0 3...

Страница 30: ...Out setting on the Settings Screen The unit will also automatically be set to network mode if it detects network commands being sent to any device in the network When the unit is in network mode it w...

Страница 31: ...1 Setting the Static IP Address of the BT 620 1 You will need to obtain a Static IP Address from your network administrator 2 Turn on BT 620 Set baud rate to 38400 in the SETUP menu 3 Connect CAT5 Et...

Страница 32: ...e sure to write this number down as you will need it later 8 Type in a Network Mask in the Network Mask window 9 Set the baud rate to 38400 10 Press the Set button to change the IP address of the BT 6...

Страница 33: ...t Installation screen will appear Click Next The Installing screen will display that the software is installing the drivers 2 When the Installation Complete screen is displayed click the Finish button...

Страница 34: ...the C nburn VComm folder Double click the VirtualSErialPorts exe file 2 The configuration window will appear as shown below Click the New button 3 Type in the IP address you assigned earlier to the B...

Страница 35: ...ure NB button to test the connection 5 Your internet browser will open and show you a similar screen to the one below This completes the virtual com port drivers Remember this instrument will always b...

Страница 36: ...BT 620 Manual Page 35 BT 620 9800 Rev B 6 Click on the Serial link at the top of the page You should be taken to a page like shown below...

Страница 37: ...et the Flow Control to RTS CTS when using Ethernet communications 8 Maintenance Due to the nature of the instrument there are no customer serviceable components in the BT 620 The case of the BT 620 sh...

Страница 38: ...xternal restrictions Met One Instruments sells a suitable flow meter P N 81755 The flow rate test follows 1 Connect a 3 reference flow meter to the sample inlet nozzle 2 Start a 5 minute sample 3 The...

Страница 39: ...Pump does not turn on when a sample is started Low Battery Defective pump Charge battery Send to service center Keypad does not work Loose connector Internal hardware failure Send to service center Pr...

Страница 40: ...ours continuous use Full recharge approximately 3 hours AC Adapter Charger Li Ion charger 100 240 VAC to 16 8 VDC 3 5 A Communications USB RS 232 or RS 485 Standards Meets ISO 21501 4 Interface Displa...

Страница 41: ...ability Service Any product being returned to Met One Instruments Inc for service repair or calibration including items sent for warranty repair must be assigned a return authorization RA number Pleas...

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