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Agilent 
Flowmeter 
ADM2000

Operating 
Instructions

Содержание ADM2000

Страница 1: ...Agilent Flowmeter ADM2000 Operating Instructions ...

Страница 2: ...r performance of this document or of any information contained herein Should Agilent and the user have a separate written agreement with war ranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agree ment shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be ...

Страница 3: ...ilent Flowmeter ADM2000 Packing List Thank you for choosing Agilent s ADM2000 Flowmeter When unpacking the box please make sure it contains the following items 1 ADM2000 Flowmeter battery included 1 Instruction Manual 1 Power Adapter 1 RS232 Cable Adapter ...

Страница 4: ...Angle The flip down wire stand will give you a better viewing angle when the ADM2000 is placed above bench level Simply pull the stand down until it is in the locked position Menu Button The Menu button is used to scroll through and select different operational modes Briefly press the Menu button until your choice appears on the display Once the desired mode is displayed the On button may be press...

Страница 5: ...is manually turned off Taking a Flow Measurement Make sure that the flow to be measured is within the range of the flowmeter Over ranging the flowmeter can damage the transducer Briefly press the On button The display will flash the message WARMUP During this time the microprocessor will run a self diagnostic test to ensure the system is functioning cor rectly Always turn the flowmeter on before c...

Страница 6: ...surement Even when accurately calibrated soap bubble meters typically read slightly higher than the ADM2000 The higher readings arise from relatively high concentrations of water vapor present in the soap bubble apparatus At room temperature water vapor can raise readings by nearly 4 This unfortunate property is amplified by the effect of temperature As the mea sured gas or the flowmeter itself is...

Страница 7: ...8 6 4 3 2 1 0 0 5 10 15 20 25 30 35 40 0 2 4 6 8 10 Temperature C A B C Water vapor pressure psia Increase in reading from standard conditions Effectoftemperatureand watervaporonvolumetricflow A increase in volumetric flow due to temperature and water vapor pressure B increase in volumetric flow due to temperature only C Water vapor pressure ...

Страница 8: ...xible tubing from the GC column flow and connect it to the split vent The display will now read the ratio directly The exact ratio can be dialed in by simply adjust ing the flow of the split vent until the required ratio is displayed Typical display sequence for setting a 50 0 1 split ratio with a 2 00 mL min column flow Returning to Single Flow To return to single flow operation briefly press the...

Страница 9: ...I data through an RS232 standard serial interface Data from your flowmeter can be collected using the RS232 interface and your PC s serial RS232 port Included with the flowmeter is an RS232 cable with a DB25 connector wired as a null modem If your computer has a DB9 connector you will need to buy an adapter that converts from DB25 to DB9 Once connected data is easily collected using one of many co...

Страница 10: ...ea sured are less than 200 mL min and a greater length of tubing is desired greater than 18 inches please order tubing exten sion kit P N 220 1179 If tubing greater in length than 18 inches is used without this kit errors in the displayed flow value may occur with flows under 200 mL min Replacement Power Transformers and Adapter Cables To order a replacement 100 240 V universal power transformer o...

Страница 11: ...o 110 C Operating temperature range 0 C to 45 C Power 9V battery alkaline or AC power adapter Display 16 character alphanumeric Automatic power off Split ratio mode with continuous split flow rate reading NIST traceability Compatible with non corrosive and non flammable gases Self checking power on sequence Volumetric and mass flow measurements RS232 output Each flowmeter individually computer cal...

Страница 12: ...alists are chemists with years of laboratory experience They can provide you with in depth knowledge and experience Contact Agilent technical support call 1 800 227 9770 in the US and Canada or call your local Agilent sales office or to contact Technical Support on the Internet go to www agilent com chem ...

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