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Agilent 990 Micro GC Micro Gasifier User Manual

19

2

Installation and Use



Tools required for Micro Gasifier installation

10

Install the front cover by tightening the Torx T-10 screw on the top.

11

Connect the power supply using the included special cable.

12

The LPG or high-pressure sample is connected to the SAMPLE-IN socket using a 1/16 in
Swagelok connector. All other connections should be made using 1/16 in (pretreated)
stainless steel (CP4008) tubing.

13

To safely guide hazardous fumes to a fume hood or other appropriate vent, it is possible to
connect a long vent line to the VENT outlet.

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Содержание 990

Страница 1: ...Agilent 990 Micro Gas Chromatograph Micro Gasifier User Manual ...

Страница 2: ... document that con flict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Software and technical data rights granted to the federal g...

Страница 3: ...ty symbols 6 Safety and regulatory information 7 General safety precautions 7 Shipping Instructions 9 Cleaning Instructions 9 Disposal Instructions 9 2 Installation and Use Unpacking 12 Specifications 13 Installation 14 Tools required for Micro Gasifier installation 14 Operation 21 Troubleshooting 22 ...

Страница 4: ...4 Agilent 990 Micro GC Micro Gasifier User Manual ...

Страница 5: ... the user or any damage to the instrument it is essential that you read the information in this chapter and the user manual s If this manual is not in your native language or if you have problems understanding the text contact your Agilent office for assistance Agilent cannot accept responsibility for any damage or injury caused by misunderstanding of the information in this manual ...

Страница 6: ...intended use of the instrument Agilent Technologies assumes no liability for the customer s failure to comply with these requirements See accompanying instructions for more information Indicates a hot surface Indicates hazardous voltages Indicates earth ground terminal Indicates potential explosion hazard Indicates electrostatic discharge hazard Indicates a hazard See the Agilent 990 Micro GC user...

Страница 7: ...ed limits General safety precautions WARNING This instrument is designed for chromatographic analysis of appropriately prepared samples It must be operated using appropriate gases or solvents and within specified maximum ranges for pressure flows and temperatures as described in this manual If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipm...

Страница 8: ... Do not place containers with flammable liquids on this Power Supply Spillage of the liquid over hot parts may cause fire Never try to repair or replace any component that is not described in this manual without the assistance of an Agilent service engineer Unauthorized repairs or modifications will result in rejection of warranty claims Always disconnect the AC power cord before attempting any ty...

Страница 9: ...to the remarks given below Switch the Micro GC off Remove the power cable from the mains Remove the Micro Gasifier power cable Use a soft no hard or abrasive brush to carefully brush away all dust and dirt If the outer case is dirty never clean the inside clean it with a soft clean cloth dampened with mild detergent Never use alcohol or thinners to clean the Micro Gasifier These chemicals can dama...

Страница 10: ...1 Introduction Disposal Instructions 10 Agilent 990 Micro GC Micro Gasifier User Manual ...

Страница 11: ...of sample pretreatment before the gas chromatographic analysis The Micro Gasifier ensures linear evaporation of the LPG sample in the specified range The Micro Gasifier contains a vaporizing pressure regulator capable of handling inlet pressures up to 1 000 Psi The outlet pressure and the vaporizing regulator temperature are factory set to 10 Psi to protect the Micro GC from too high inlet pressur...

Страница 12: ...list No Part number Description Quantity 1 G3588 60860 Accessory option 1 Gasifier 1 EA 2 G3588 60682 Inlet Assembly UM 1 EA 3 0100 1490 1 16 in Ferrule set SST 1 PK 4 0100 0053 Stainless nut 1 16 in 1 EA 5 CP741107 Cable Gasifier power supply 490 Micro GC 1 EA 6 G3588 60590 Sample line assembly with nut short 1 EA 7 G3588 60591 Sample line assembly with nut long 1 EA 1 2 3 4 6 7 5 ...

Страница 13: ...ble 2 Specifications Feature Specifications General Heated pressure reducing regulator Operation temperature 100 C 5 C Sample input pressure 1 000 Psi 7 000 kPa maximum Delivery pressure to Micro GC 7 5 Psi 2 5 Psi Repeatability 1 Concentration range 50 ppm to 100 Sample carry over 1 as measured for hexane ...

Страница 14: ...sing a sample line connection configured to be heated Tools required for Micro Gasifier installation Torx T 10 screwdriver Torx T 20 screwdriver 5 16 inch wrench 3 16 inch wrench Adjustable wrench CAUTION The Micro GC must be configured for constant flow operation For more details see the Micro GC user manual 1 Remove the Torx T 10 screw at the top of the front cover and gently pull forward from t...

Страница 15: ...ove the breakaway tab on the left side of the front cover to accommodate the sample line connection Using an adjustable wrench grip the breakaway tab in the middle and torque until the tab breaks free 3 Attach four Torx T 20 screws to the left side of the GC leaving them loose enough that the accessory bracket can be installed ...

Страница 16: ...Agilent 990 Micro GC Micro Gasifier User Manual 4 Slide the accessory bracket onto the Micro GC Tighten the four Torx T 20 screws to secure the accessory bracket 5 Attach two Torx T 20 screws onto the bracket leaving them loose enough that the gasifier rack can be installed ...

Страница 17: ... the gasifier rack onto the accessory bracket Tighten the two Torx T 20 screws 7 Remove the two Torx T 10 screws to uninstall the original sample inlet manifold on the cabinet The sample line nuts may need to be removed beforehand See the Sample Line Replacement on Page 90 in the Agilent 990 Micro GC User Manual p n G3588 90010 ...

Страница 18: ...he new sample inlet manifold to the gasifier by a 1 16 in nut and ferrule using a 5 16 in wrench 9 Use a 3 16 in wrench to screw the sample line nuts to the inlet manifold Install the inlet manifold onto the channel by tightening the two Torx T 10 screws Use a 3 16 in wrench to screw the sample line nuts to the front of the channel ...

Страница 19: ...1 Connect the power supply using the included special cable 12 The LPG or high pressure sample is connected to the SAMPLE IN socket using a 1 16 in Swagelok connector All other connections should be made using 1 16 in pretreated stainless steel CP4008 tubing 13 To safely guide hazardous fumes to a fume hood or other appropriate vent it is possible to connect a long vent line to the VENT outlet ...

Страница 20: ...details see the 990 Micro GC User Manual 15 The Micro Gasifier is equipped with two needle valves one to control the vent flow and one to control the sample flow to the Micro GC The vent control needle valve allows flushing of the regulator under increased flow conditions The various flows can be measured using a flow meter ...

Страница 21: ... flush for one minute then check the sample vent flow at the VENT OUTLET 5 Open the SAMPLE needle valve and adjust a flow though the Micro GC of 10 mL min 6 Close the VENT needle valve to a flow of 10 mL min minimum 7 Start the Micro GC run or sequence Monitoring the various flows by means of a soap bubble meter or equivalent will help setting the optimal conditions In case of a high pressure gas ...

Страница 22: ...e constituents The integrity of the LPG sample is best warranted using a moving piston cylinder A partially filled sample bomb will lead to discrimination due to evaporation inside the bottle As a rough guideline the bomb must be filled with 80 liquid Position the sample bomb or cylinder to ensure the liquid phase leaves the cylinder or bomb The pressure and flow conditions during calibration and ...

Страница 23: ...Agilent 990 Micro GC Micro Gasifier User Manual 23 ...

Страница 24: ...www agilent com Agilent Technologies Inc 2019 First edition August 2019 G3588 90025 G3588 90025 ...

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