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Agilent Technologies

Agilent
Flow Tracker Series
1000/2000

User Information

Содержание Flow Tracker 1000 Series

Страница 1: ...Agilent Technologies Agilent Flow Tracker Series 1000 2000 User Information ...

Страница 2: ...logies Inc 2850 Centerville Road Wilmington DE 19808 1610 USA Safety Notices CAUTION A CAUTION notice denotes a haz ard It calls attention to an operat ing procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met WARN...

Страница 3: ...e equipment may be impaired Agilent Technologies assumes no liability for the customer s failure to comply with these requirements Operating temperature range 10 50 C Operating humidity range 0 90 RH non condensing Maximum recommended altitude 15 000 ft Electromagnetic compatibility This device was tested and found to comply with the limits of CISPR 11 These limits are designed to provide reasonab...

Страница 4: ... is connected Consult the dealer or an experienced radio TV technician for help Unauthorized modification or installation of this equipment may invalidate the user s ability to operate this equipment This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada This device is CE marked for ISM Group 1 Class A equipment ...

Страница 5: ...ternal structure it is recommended that a 20 micron filter be installed upstream of the flowmeter The unit is packaged with simple plastic hose barbs for your convenience however any fitting that is appropriate for the application can be substituted Figure 1 Connections RS 232 plug Leak sampling probe Flow Tracker 2000 only AC adapter plug Exhaust Flow Sample exhaust Flow Tracker 2000 only Probe r...

Страница 6: ...f the batteries and whether the leak sampling pump in model 2000 is used The power adapter jack is located as shown in Figure 1 A P 5 style positive center 6 15 VDC adapter rated for at least 100 mA is required CAUTION When installing fittings into the NPT ports do not exceed 12 ft lbs of torque NOTE Use of pipe dope and sealants on the NPT ports can permanently damage the flowmeter if they get in...

Страница 7: ... operation 1 ON To turn the unit on press and hold the ON button for approximately a second 2 ZERO Pushing ZERO tares the flowmeter and provides it with a reference point for zero flow This is a very important step in obtaining accurate measurements It is good practice to zero the flowmeter each time it is turned on If the flow reading varies significantly from zero after an initial tare give the ...

Страница 8: ...racker Series flowmeters are equipped with a serial RS 232 output that toggles with the selected operating mode All parameters in the selected mode are output in space delimited format for data collection and analysis No special software is required any terminal program such as HyperTerminal which comes packaged with all NOTE It is very important that the gas being measured is selected to get an a...

Страница 9: ... flat on the cable plug towards the back of the flowmeter If the serial port on your computer is female the flowmeter can simply be plugged into your serial port via the 8 pin Mini DIN to DB 9 serial adapter cable included with the Flow Tracker If the serial port on your computer is male a common double ended female adapter cable is needed For details on data collection using the RS 232 output go ...

Страница 10: ... measure the line pressure of the gas flow being monitored This sensor references hard vacuum and accurately reads line pressure both above and below local atmospheric pressure The Figure 2 Flow mode parameter buttons Low battery indicator Gas select Mode Power off Zero tare Gas temperature Gas absolute pressure Primary display default is mass flow rate Volumetric flow rate Mass flow rate Power on...

Страница 11: ...umetric flow rate select the gas to be measured by pressing the gas select button Anything that has an effect on gas viscosity e g water vapor odorant additives etc will have a direct proportional effect on the accuracy Absolute viscosity fluctuates only slightly with pressure therefore a true volumetric reading does not require a correction for pressure Mass flow rate The mass flow rate is the vo...

Страница 12: ...ode Figure 3 shows the parameters associated with GC mode Figure 3 GC mode parameter buttons Low battery indicator Gas select Mode Power off Zero tare Capillary diameter Linear velocity Primary display default is linear velocity Split ratio Reference flow Power on press and hold ...

Страница 13: ...rence flow button to store the current volumetric flow rate in memory The fixed value will be displayed above the label in milliliters per minute mL min Split ratio The split ratio is the ratio of the present volumetric flow rate to the stored reference flow rate This parameter reads DIVO Division by Zero Error until a value is stored in the reference flow buffer see Reference flow above or OVRFLO...

Страница 14: ...cker 1000 2000 User Information Flow Tracker Series 1000 2000 NOTE In gas chromatography the reference flow rate is normally the main column flow rate and the present flow rate is normally the split vent flow rate ...

Страница 15: ...the parameters associated with leak mode Leak mode is only available with the Flow Tracker 2000 Figure 4 Leak mode parameter buttons Leak sampling probe Thermal conductivity Leak rate Primary display default is leak rate Relative conductivity Power on Gas select Low battery indicator Mode Zero tare Power off Sound on off ...

Страница 16: ...e 1 2 Turn on the unit enter Leak mode by pressing the MODE button three times Allow the detector to warm up until the Warm Up indicator in the display disappears approximately 7 8 minutes The suction pump will power Table 1 Absolute thermal conductivities of selectable gases Gas Absolute thermal conductivity cal sec cm2 C cm x 10 6 Detectable Temp Air 62 20 No 80 F 26 7 C Nitrogen 62 40 No 80 F 2...

Страница 17: ...hermal conductivity The thermal conductivity of a gas is a measure of its ability to conduct heat Thermal conductivity is measured as value x 10 6 cal sec cm2 C cm Relative conductivity indicator The relative conductivity indicator is a dimensionless value reflecting the raw sensor measurement of the difference in temperature between the heated and unheated sensors NOTE If desired the sound can be...

Страница 18: ...ed under the dynamic label The default is off NOTE If the unit is completely warmed up and zeroed in air the relative conductivity indicator will read approximately zero until a leak is detected If a gas with a greater conductivity than air is introduced increased current will be required and the relative Rel reading will increase positively and vice versa ...

Страница 19: ...inates can affect the laminar flow elements and or reduce the area that is used to calculate the flow rate This directly affects the accuracy Cleaning The Flow Tracker requires no periodic cleaning If required the outside of the flowmeter can be cleaned with a soft dry rag Avoid excess moisture or solvents Replacing the batteries To replace old or worn batteries 1 Remove the flexible boot from the...

Страница 20: ...ual requirements This interval is acceptable providing that CLEAN DRY and NON CORROSIVE gases are used A label located on the back of the flowmeter under the flexible cover lists the recalibration due date before which a recalibration should be performed For repairs and re calibrations locate the serial number on the back of the unit and visit the Agilent web site for instructions on where to send...

Страница 21: ...egion No heated elements Temp Integrated circuit absolute temperature sensor No RTD s Press Solid state absolute pressure sensor Calibration NIST traceable multi point calibration certificate included Calibrated gases Nitrogen hydrogen helium air carbon dioxide methane 95 argon 5 methane blend Modes Flow gas chromatography leak detection 2000 only Display Dynamically labeled multi function 7 line ...

Страница 22: ... contact your local sales office or go to www agilent com chem supplies and go to the gas management section or visit www chem agilent com cag cabu mainflowmeter htm Table 3 Leak detector specifications Sensor type Solid state thermal conductivity detector low power consumption for extended battery life Response time 1 second Sensitivity 1 67 x 10 3 cc sec for He 8 3 x 10 4 cc sec for H2 Gases All...

Страница 23: ...Flow Tracker Series 1000 2000 Flow Tracker 1000 2000 User Information 23 ...

Страница 24: ...Agilent Technologies Agilent Technologies Inc Printed in USA May 2002 5183 4773 ...

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