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GT-526S Manual Rev F

Page 25

Troubleshooting

The following section covers some common failure symptoms, causes and solutions.  It
is important to note that there are no customer serviceable components in this product.
The GT-526S case should never be removed or opened for any reason.

Opening or

removing the case will void the warranty and may result in exposure to laser
radiation, which can cause eye injury.

Symptom

Possible Cause

Solution

Display does not turn on



Low Battery



Defective Battery



Charge battery



Send to service center

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

Sample result is lower
than normal



Flow rate is low



Optics may be contaminated



Perform flow rate test



Send to service center

Sample result is higher
than normal



Flow rate is high



Air leak in unit



Optics may be contaminated



Perform flow rate test



Send to service center

Battery does not hold a
charge



Defective or worn out battery



Defective charger



Send to service center

Содержание GT-526S

Страница 1: ...GT 526S Manual Rev F Met One Instruments Inc Corporate Sales Service 1600 NW Washington Blvd Grants Pass OR 97526 Tel 541 471 7111 Fax 541 471 7116 www metone com service metone com GT 526S MANUAL ...

Страница 2: ...ormal business hours 7 00 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 Instruments Inc 1600 NW Washington Blvd Grants Pass OR 97526 NOTICE CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation expos...

Страница 3: ...ng Stopping 10 4 3 2 Real Time Serial Output 10 4 3 3 Samples 10 4 3 4 Sample Time 10 4 3 5 Hold Time 10 4 3 6 Count Mode 10 4 3 7 Sample Timing 11 5 Menu Selections 11 5 1 Edit Menu Items 11 5 2 Sample Setup Screen 12 5 2 1 Location Number 12 5 2 2 Sample Time 12 5 2 3 Hold Time 12 5 2 4 Samples 12 5 3 Settings Screen 12 5 3 1 Volume 13 5 3 2 Temp 13 5 3 3 Count Mode 13 5 4 Recall Data Screen 14 ...

Страница 4: ...t Screen 18 6 Charging the Battery 18 7 Serial Communications 19 7 1 Serial Interface 20 7 2 Commands 21 7 3 Real Time Output 21 7 4 Comma Separated Value CSV Output Format 22 7 5 Printer Format 23 8 Maintenance 23 8 1 Service Schedule 23 8 2 Zero Count Test 23 8 3 Flow Rate Test 24 8 4 Annual Calibration 24 8 5 Flash Upgrade 24 9 Troubleshooting 25 10 Specifications 26 11 Warranty Service 27 ...

Страница 5: ...ming a test run to verify operation 2 1 Unpacking When unpacking the GT 526S and accessories inspect the carton for obvious damage If the carton is damaged notify the carrier Unpack and inspect the contents of the shipping container Standard items included are shown in Figure 1 Optional accessories are shown in Figure 2 Contact the supplier if any items are missing ATTENTION The included USB drive...

Страница 6: ...S PN GT 526S Battery Charger PN 390031 Power Cord PN 400113 Carrying Case PN 8517 Calibration Certificate PN GT 526S 9600 ISO Kinetic Probe PN G3110 Zero Count Filter PN G3111 USB Cable PN 500787 Comet Software CD PN 80248 Manual PN GT 526S 9800 Printer PN G3115 Flow Meter PN 9801 Serial Cable PN 3228 T RH Probe PN G3120 ...

Страница 7: ... Charging Jack Input jack for the battery charger This connection charges the internal battery pack and provides continuous operating power for the unit USB Port For USB serial communication Serial Port For serial communication RS 232 or RS 485 T RH Connector Mating connector for the optional external Temperature RH sensor Inlet Nozzle Ambient air inlet nozzle Connect isokinetic probe to reduce tu...

Страница 8: ... Start Stop key The GT 526S will sample for 1 minute and stop 4 Observe the counts on the display press up down keys to view other sizes 5 The unit is ready for use 3 User Interface The GT 526S user interface is composed of a 7 button keypad and a LCD display The following table describes keypad functionality Note some key have more than one function Key Description Starts or stops a sample Starts...

Страница 9: ...e of the Operate Screen is reserved for the normal header date and time or status alarm messages depending upon the machine status The top line remains stationary while the other 3 lines scroll to display the full list Temp and RH data will precede the location number when the RH Temp probe is connected Particle count units are user selectable The selections include Total counts TC particles per l...

Страница 10: ...splayed to the far right 4 2 3 Sample History Sample history previous data can be viewed on the Operate Screen when the unit is stopped not sampling To view sample history press the Enter key from the Operate Screen The unit will display the last sample event newest record and display in the upper right corner of the display see Figure 7 to indicate history data Press or to move through sample his...

Страница 11: ...of samples to take Repeat configures the unit for continuous sampling Single configures the unit for a single sample 2 999 configures the unit for a number of samples Samples are discussed in section 5 2 4 3 4 Sample Time The sample time determines the amount of time that counts are accumulated The length of the sample is user settable from 1 999 seconds and is discussed in section 5 2 4 3 5 Hold ...

Страница 12: ...its ºC ºF baud rate and serial output mode Settings Screen RECALL DATA Recall sample history based on time Recall Data Screen PRINT DATA Print stored data based on a time range Print Data Screen MEMORY View memory usage and clear memory Memory Screen COUNT ALARMS Set count alarm limits for 2 particle sizes Count Alarm Screen SERIAL Set baud rate and serial output mode Serial Screen SET FLOW Adjust...

Страница 13: ...d in sample data records display printer and serial output 5 2 2 Sample Time The sample time determines the amount of time that counts are accumulated while the pump is running The length of the sample is user settable from 1 999 seconds 5 2 3 Hold Time The Hold time is the time between samples when sampling more than a single sample The Hold time is user settable from 0 999 seconds The pump will ...

Страница 14: ...ahrenheit F 5 3 3 Count Mode The GT 526S can display counts in two different modes These are Normal and Differential Selection Description NORMAL Displays cumulative counts on the screen and in reports DIFFERENCE Displays differential counts on the screen and in reports The Normal mode displays cumulative counts For a given size the counts represent all particles that size and larger The Different...

Страница 15: ...icate history data 5 5 Print Data Screen Stored sample events can be printed through the printer port within a user selected range To print selected data select PRINT DATA from the Menu Figure 16 shows the Print Data Screen PRINT DATA LOCATION 000 01 JAN 00 00 00 18 AUG 06 13 23 Figure 16 Print Data Screen Edit the location and time range to select which sample events to print The following table ...

Страница 16: ...nd the oldest data will be overwritten by new data SAMPLES shows the number of samples which can be store in memory before the memory is full When 0 is displayed memory is full and the oldest data will be overwritten by new data 5 6 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 be display...

Страница 17: ... 5 8 1 Baud Use the Baud Rate selection to set the serial communications baud rate GT 526S communicates at baud rates from 300 38400 5 8 2 Serial Output Mode The Serial setting controls the behavior of the GT 526S serial output The modes are RS232 RS485 and Printer The following table lists the Serial Output settings and describes their meanings Serial Setting Description RS232 RS232 USB communica...

Страница 18: ...uracy 10 This unit also supports custom sizes These sizes are configured using the Set Sizes Screen Figure 22 Custom sizes are interpolated using the standard size calibration curve Therefore the size accuracy for custom sizes is somewhat reduced 15 SET SIZES 0 3µ 2 0µ 0 5µ 5 0µ 1 0µ 10 0µ Figure 22 Set Sizes Screen The unit sorts sizes from small to large after each size change Duplicate sizes ar...

Страница 19: ...s device Do not attempt to connect any other charger or adapter to this device Doing so may result in equipment damage To charge the battery connect the battery charger to an AC power outlet and the DC barrel connector to the socket on the right side of the GT 526S The battery charger is universal and will work with power line voltages of 100 to 240 volts 50 to 60 Hz A discharged battery pack will...

Страница 20: ...T 526S USB port to your computer If the supplied drivers are not installed first Windows may install generic drivers that are not compatible with this product To install USB drivers Insert the Comet CD The install program should run automatically and display the screen below If an AutoPlay pop up window appears select Run AutoRun exe Finally select USB Drivers to start the install process WARNING ...

Страница 21: ...Communication with the GT 526S through the RS 232 DB 9 port requires a custom serial cable PN3228 Standard serial cables will not work and may cause damage to the instrument if connected Below is a description of the DB 9 connector Pin Function Communication Type 1 Not Used 2 TX RS 232 3 RX RS 232 4 Not Used 5 Ground RS 232 RS 485 6 Analog Out 1 DAC 7 Analog Out 2 DAC 8 A RS 485 9 B RS 485 1 2 3 4...

Страница 22: ...turns the last n records D Date mm dd YY T Time HH MM C Clear data S Start a sample E End a sample ST Sample Time RV Show software revision ID Set Get the Location ID Range 1 999 FAx Alarm Limit setting where x 1 or 2 for Alarm 1 or 2 FSx Alarm Size setting where x 1 or 2 for Alarm Size 1 or 2 respectively SF Alarms on off where 0 Off 1 On SH Set Hold Time in seconds SN Set Number of Samples 0 Rep...

Страница 23: ...220 2 0 2620 5 0 960 24 41 1 60 0 3 0 5 0 CSV Fields Field Parameter Example Value Notes 1 Date and Time 12 MAR 2012 14 04 57 2 Channel 1 Size 0 3 3 Channel 1 Count TC L CF M3 136960 Note 2 4 Channel 2 Size 0 5 5 Channel 2 Count TC L CF M3 25440 Note 2 6 Channel 3 Size 0 7 7 Channel 3 Count TC L CF M3 9580 Note 2 8 Channel 4 Size 1 0 9 Channel 4 Count TC L CF M3 6220 Note 2 10 Channel 5 Size 2 0 1...

Страница 24: ...S should never be removed or opened for any reason Opening or removing the case of the GT 526S voids the warranty and may result in exposure to laser radiation which can cause eye injury 8 1 Service Schedule Although there are no customer serviceable components in the GT 526S there are service items which ensure the proper operation of the instrument Table 1 shows the service schedule for the GT 5...

Страница 25: ...ion 5 7 1 8 4 Annual Calibration The GT 526S should be sent back to Met One Instruments yearly for calibration and inspection The annual calibration cannot be performed by the customer because this calibration requires specialized equipment and a skilled technician Met One Instruments maintains a calibration facility for calibrating particle counters according to industry accepted methods such as ...

Страница 26: ...es not turn on Low Battery Defective Battery Charge battery Send to service center 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 Sample result is lower than normal Flow rate is low Optics may be contaminated Perform flow rate test Send to service c...

Страница 27: ...ry pack Battery Life 6 hours continuous operation Battery Charge Time Fully changed in 2 5 hours AC Adapter Charger Li ion battery charger 100 240 VAC 50 60Hz Communications USB RS 232 or RS 485 Standards Meets ISO 21501 4 Interface Display 16 character x 4 line LCD Keyboard 7 key membrane type Physical Height 6 25 15 9 cm Width 4 00 10 2 cm Depth 2 12 5 4 cm Weight 2 00 lbs 0 91 kg Environmental ...

Страница 28: ...GT 526S Manual Rev F Page 27 11 Warranty Service ...

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