Galvanic Applied Sciences AccuChrome User manual

AccuChrome™
GAS CHROMATOGRAPH
OPERATION MANUAL ADDENDUM 1 – NEMS C9 Module
P/N: MA2963-A1
Revision 1 2021 October 1
Galvanic Applied Sciences, Inc.
7000 Fisher Road S.E.
Calgary, Alberta, T2H OW3
Canada
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
World Wide Web: http://www.galvanic.com

N O T I C E S
This system is covered by a limited warranty. A copy of the warranty is included with this manual.
The operator is required to perform routine maintenance as described herein on a periodic basis to
keep the warranty in effect. For routine maintenance procedures, refer to Maintenance Section.
All information in this manual is subject to change without notice and does not represent a
commitment on the part of Galvanic Applied Sciences, Inc.
No part of this manual may be reproduced or transmitted in any form or by any means without the
written permission of Galvanic Applied Sciences, Inc.
Note: Changes or modifications not expressly approved by Galvanic Applied Sciences, Inc.
could void the user's authority to operate the equipment.
© Copyright 2021, Galvanic Applied Sciences, Inc. All rights reserved.
Printed in Canada

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Table of Contents
REPAIRED PRODUCTS ............................................................................................................ 7
LIMITATION OF REMEDY AND LIABILITY .................................................................................... 7
SECTION 1 OVERVIEW OF THE NEMS C9 MODULE .................................................................... 1
SECTION 2 ................................................................................................................................... 1
2.1 ANALYZER GENERAL DESCRIPTION .................................................................................. 1
2.2 USING THIS MANUAL ....................................................................................................... 1
SECTION 3 NEMS C9 MODULE DESIGN .................................................................................... 2
3.1 OVERVIEW ...................................................................................................................... 2
3.2 MOUNTING ...................................................................................................................... 2
3.3 GAS ENTRY / EXIT CONNECTIONS .................................................................................... 4
3.3.1 Supply Gas Pressure Requirements ................................................................ 4
3.4 SAMPLE INJECTION .......................................................................................................... 4
3.5 SEPARATION COLUMN ..................................................................................................... 4
3.6 DETECTOR ...................................................................................................................... 4
SECTION 4 INSTALLATION ......................................................................................................... 5
4.1 DIMENSIONS AND SPACE REQUIREMENTS ......................................................................... 5
4.2 SAMPLING CONSIDERATIONS ........................................................................................... 7
4.1 ELECTRICAL REQUIREMENTS ........................................................................................... 7
4.2 INSTALLATION STEPS ....................................................................................................... 8
SECTION 5 CONFIGURING THE NEMS MODULE ......................................................................... 8
5.1 COMPONENT TABLE ......................................................................................................... 8
5.2 SETTING THE NEMS PARAMETERS .................................................................................. 9
5.3 VIEWING THE NEMS STATUS ......................................................................................... 10
SECTION 6 USING THE INSTRUMENT ........................................................................................ 11
6.1 CHROMATOGRAM .......................................................................................................... 11
SECTION 7 NEMS VALIDATION ............................................................................................... 12
7.1 PERFORMING A CALIBRATION ......................................................................................... 12
SECTION 8 MAINTENANCE ...................................................................................................... 13
8.1 OVERVIEW .................................................................................................................... 13
8.2 CLEANING THE NEMS C9 MODULE ................................................................................ 13
8.3 REPLACING INTERNAL COMPONENTS .............................................................................. 13
SECTION 9 TROUBLESHOOTING .............................................................................................. 13
9.1 OVERVIEW .................................................................................................................... 13

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Safety Symbols used in Manual
The Danger symbol indicates a hazardous situation that, if
not avoided will result in death or serious injury.
The Warning symbol indicates a hazardous situation that, if
not avoided could result in death or serious injury.
The Caution symbol with the safety alert symbol indicates a
hazardous situation that, if not avoided could result in minor
or moderate injury.
The Notice symbol is used to highlight information that will
optimize the use and reliability of the system.

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Important Safety Guidelines for Galvanic Applied Sciences Inc.,
ACCUCHROME Gas Chromatograph
This equipment must be used as specified by the manufacturer or overall safety
will be impaired.
Access to this equipment should be limited to authorized, trained personnel ONLY.
Due to the thermal mass of the hardware, cooling of the items takes substantial
time.
Observe all warning labels on the analyzer enclosures.
The analog outputs and alarm relay contacts may be powered by a source separate from the
one (s) used to power the analyzer system. Disconnecting the AC Mains Source (s) may not
remove power from the analog output signals or the alarm relay contacts.
Any safety recommendations or comments contained herein are suggested guidelines only.
Galvanic Applied Sciences Inc. bears no responsibility and assumes no liability for the use and/or
implementation of these suggested procedures.
This system, when operating in its normal mode, and/or when it is being serviced, maintained,
installed and commissioned contains items which may be hazardous to humans if handled or
operated incorrectly or negligently. These hazards include, but are not limited to:
 High Voltage Electrical Energy
 Toxic and Explosive Gases
 High Temperature Surfaces
Access to this equipment should be limited to only to authorized, trained
personnel.

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Manufacturer’s Warranty Statement
Galvanic Applied Sciences Inc. (“Seller”) warrants that its products will be free from defects in
materials and workmanship under normal use and service in general process conditions for 12
months from the date of Product start-up or 18 months from the date of shipping from Seller’s
production facility, whichever comes first (the “Warranty Period”). Products purchased by Seller
from a third party for resale to Buyer ("Resale Products") shall carry only the warranty extended
by the original manufacturer. Buyer agrees that Seller has no liability for Resale Products beyond
making a reasonable commercial effort to arrange for procurement and shipping of the Resale
Products. Buyer must give Seller notice of any warranty claim prior to the end of the Warranty
Period. Seller shall not be responsible for any defects (including latent defects) which are
reported to Seller after the end of the Warranty Period.
THIS WARRANTY AND ITS REMEDIES ARE IN LIEU OF ALL OTHER WARRANTIES OR
CONDITIONS EXPRESSED OR IMPLIED, ORAL OR WRITTEN, EITHER IN FACT OR BY
OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING BUT NOT LIMITED TO,
WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, WHICH SELLER SPECIFICALLY DISCLAIMS.
Seller’s obligation under this warranty shall not arise until Buyer notifies Seller of the defect.
Seller’s sole responsibility and Buyer’s sole and exclusive remedy under this warranty is, at
Seller’s option, to replace or repair any defective component part of the product upon receipt of
the Product at Seller’s production facility, transportation charges prepaid or accept the return of
the defective Product and refund the purchase price paid by Buyer for that Product. If requested
by Buyer, Seller will use its best efforts to perform warranty services at Buyer’s facility, as soon as
reasonably practicable after notification by the Buyer of a possible defect provided that Buyer
agrees to pay for travel time, mileage from the Seller’s facility or travel costs to the airport / train
station closest to Buyer’s facility plus all other travel fees, hotel expenses and subsistence.
Except in the case of an authorized distributor or seller, authorized in writing by Seller to extend
this warranty to the distributor’s customers, the warranty herein applies only to the original
purchaser from Seller (“Buyer”) and may not be assigned, sold, or otherwise transferred to a third
party. No warranty is made with respect to used, reconstructed, refurbished, or previously owned
Products, which will be so marked on the sales order and will be sold “As Is”.
Limitations
These warranties do not cover:
• Consumable items such as lamps.
• Analyzer components which may be damaged by exposure to contamination or fouling
from the process fluid due to a process upset, improper sample extraction techniques or
improper sample preparation, fluid pressures in excess of the analyzer’s maximum rated
pressure or fluid temperatures in excess of the analyzer’s maximum rated
temperature. These include but are not limited to sample filters, pressure regulators,
transfer tubing, sample cells, optical components, pumps, measuring electrodes,
switching solenoids, pressure sensors or any other sample wetted components.
• Loss, damage, or defects resulting from transportation to Buyer’s facility, improper or
inadequate maintenance by Buyer, software or interfaces supplied by Buyer, operation

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outside the environmental specifications for the instrument, use by unauthorized or
untrained personnel or improper site maintenance or preparation.
• Products that have been altered or repaired by individuals other than Seller personnel or
its duly authorized representatives, unless the alteration or repair has been performed by
an authorized factory trained service technician in accordance with written procedures
supplied by Seller.
• Products that have been subject to misuse, neglect, accident, or improper installation.
• The sole and exclusive warranty applicable to software and firmware products provided
by Seller for use with a processor internal or external to the Product will be as follows:
Seller warrants that such software and firmware will conform to Seller’s program manuals
or other publicly available documentation made available by Seller current at the time of
shipment to Buyer when properly installed on that processor, provided however that
Seller does not warrant the operation of the processor or software or firmware will be
uninterrupted or error-free.
The warranty herein applies only to Products within the agreed country of original end
destination. Products transferred outside the country of original end destination, either by the
Seller at the direction of the Buyer or by Buyer’s actions subsequent to delivery, may be
subject to additional charges prior to warranty repair or replacement of such Products based
on the actual location of such Products and Seller’s warranty and/or service surcharges for
such location(s).
Repaired Products
Repaired products are warranted for 90 days with the above exceptions.
Limitation of Remedy and Liability
IN NO EVENT SHALL SELLER BE LIABLE TO BUYER FOR ANY INDIRECT,
CONSEQUENTIAL, INCIDENTAL, SPECIAL OR PUNITIVE DAMAGES, OR FOR ANY
LOSS OF USE OR PRODUCTION, OR ANY LOSS OF DATA, PROFITS OR REVENUES,
OR ANY CLAIMS RAISED BY CUSTOMERS OF BUYER OR ANY ENVIRONMENTAL
DAMAGE OR ANY FINES IMPOSED ON BUYER BY ANY GOVERNMENTAL OR
REGULATORY AUTHORITIES, WHETHER SUCH DAMAGES ARE DIRECT OR INDIRECT,
AND REGARDLESS OF THE FORM OF ACTION (WHETHER FOR BREACH OF
CONTRACT OR WARRANTY OR IN TORT OR STRICT LIABILITY) AND WHETHER
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR NOT.

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Section 1 Overview of the NEMS C9 Module
Section 2
2.1 Analyzer General Description
The NEMS C9 Module is combined with an AccuChrome GC to provide C6 through C9
hydrocarbon measurement. This allows the AccuChrome GC to perform the measurement of
up to C9 hydrocarbons in hydrocarbon gas streams and integrate the results for a more
robust range of hydrocarbon characterisation.
The AccuChrome GC is responsible for the measurement of nitrogen, carbon dioxide,
methane, ethane, propane, iso-butane, normal-butane, neo-pentane, iso-pentane, and
normal-pentane. Oxygen and carbon monoxide can be added optionally. The NEMS C9
Module extends measurement to the hexane isomers, heptane isomers, octane isomers and
nonane isomers in parallel. The results of the two analyses are combined to arrive at a full
C9 analysis of hydrocarbon gases. If required the analysis can be extended out to C12.
The NEMS C9 Module employs an advanced technology Nano-Electromechanical Systems
(NEMS) detector. This type of detector has a response that is proportional to the mass of the
molecule being detected. Heavier molecules produce a stronger response which makes this
detector ideal for higher molecular mass C6 through C9 detection, even with decreasing
concentrations.
2.2 Using This Manual
The user should first become familiar with the AccuChrome manual. This manual is intended
to be an addendum to the AccuChrome manual and will highlight the details of operation that
are specific to the NEMS C9 Module.

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Section 3 NEMS C9 Module Design
3.1 Overview
The NEMS C9 Module is driven by an APIX Analytical NEMS device and can be considered
to be a standalone gas chromatograph unto itself. The device contains the column, heaters,
injectors and detectors required for the measurement within a compact package. Figure A1
shows the APIX NEMS device.
Figure A1: The APIX Device
3.2 Mounting
The APIX device is mounted inside an electrical enclosure for use in hazardous conditions.
The device plugs into an electronics controller card and power supply. A mounting bracket is
used to support the electronics and the device. Figure A2 shows how the device and
electronics card are mounted. The entire assembly is then mounted inside an environmental
rated electrical enclosure with the power supply as shown in Figure A3.

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Figure A2: APIX Device Mounting
Figure A3: NEMS C9 Module assembly shown with explosionproof enclosure for Class
I Div 2.

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3.3 Gas Entry / Exit Connections
Gases are connected to the APIX device via a directly mounted manifold. Connections are by
1/16” inch tubing, welded into the manifold and pass through the wall of the explosionproof
enclosure through flame arrestor fittings. The APIX device requires six tubing connections to
the mounted gas manifold, inlet and vent pairs for each of actuation gas, carrier gas and
sample gas. All gas connections are prearranged on the unit backpanel and have shared unit
connections with the GC. The actuation gas is provided by the carrier gas line.
3.3.1 Supply Gas Pressure Requirements
The sample line is shared between the GC oven and the NEMS C9 Module. Two separate
flowmeters are used to control the flow of gas to the AccuChrome GC and to the APIX
module. Carrier gas and actuation gas are both shared with the rest of the AccuChrome unit.
Gas pressure and consumption specifications are provided in Table A1.
Table A1: NEMS C9 Module Gas Requirements
Gas Stream
Min / Max
Pressure [bar]
Design
Pressure [bar]
Min / Max
Flow Rate
[cm²/min]
Design Flow
Rate
[cm²/min]
Carrier Input 1.0 / 2.0 1.0 10 / 20 10
Sample Input 0.3 / 1.5 1.0 50 / 100 50
Sample Vent - - 50 / 100 50
Actuation Input 3.5 / 4.5 4.0 - -
3.4 Sample Injection
The sample injection mechanism consists of a silicon based micro injector which is integrated
into the NEMS module. The injection volume is typically on the order of 10 microliters and is
controlled via software.
3.5 Separation Column
The separation column is a 5-meter polydimethylsiloxane capillary column. It is housed
inside the NEMS module and is temperature controlled to ensure consistent retention times.
Typically, the C6 to C9 separation and characterisation can be achieved within 1 minute.
3.6 Detector
The detector is a NEMS resonator. It is very small and sensitive and has the unique
characteristic of becoming more sensitive for compounds that have higher molecular weight.
In natural gas the concentrations of the hydrocarbons decrease as the molecular weight
increases, which make the heaviest compounds the hardest to detect. With the NEMS
system the heaviest hydrocarbons have the strongest response.

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Section 4 Installation
4.1 Dimensions and Space Requirements
The size and weight of the AccuChrome Chromatograph with NEMS C9 Module is presented
in Table. The installation site should provide adequate room for opening the cabinet doors
for maintenance and repair procedures. Complete dimensional information is provided in
Figure A4.
When the system is installed, leave 6” between the unit and other devices.
Table 2: Size and Weight of the AccuChrome Chromatograph with NEMS C9 Module
Size Weight
Class I, Div 1 54.875”H x 33.75” W x 10.375”D 107kg (236 lbs)
Class I, Div 2 1397 mm (55”) H x 857.3 mm (33.75”) W x 254 mm (10”) D 73kg (161 lbs)

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Figure A4: Physical Dimensions - Class I, Div 1 ACCUCHROME Chromatograph

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Figure A5: Physical Dimensions - Class I, Div 2 ACCUCHROME Chromatograph
4.2 Sampling Considerations
The AccuChrome Chromatograph with NEMS C9 Module divides a singular sample gas
stream between the GC and NEMS module sections of the unit. Refer to Section 3.3 of the
AccuChrome manual for more information.
4.1 Electrical Requirements
The AccuChrome Chromatograph with NEMS C9 Module does not have unique electrical
requirements to the AccuChrome GC. Refer to Section 3.4 of the AccuChrome manual for
more information.

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4.2 Installation Steps
The AccuChrome Chromatograph with NEMS C9 Module is tested and configured at the
factory. The program parameters are documented in the Configuration Report (enclosed with
the AccuChrome manual and Section 5 of this addendum). To install the AccuChrome
Chromatograph with NEMS C9 Module, follow the instructions provided by Section 3.5 of the
AccuChrome manual. There are no additional gas connection points for units with a NEMS
module installed. All gas inlet and outlet points are common to the NEMS module and GC.
Section 5 Configuring the NEMS Module
For AccuChrome analyzers with a NEMS Module, additional options will be available on the
Configure G.C. tab in the righthand side navigation menu, “NEMS Setup” and “NEMS
Status”. Modifying the component table, NEMS parameters and viewing the NEMS status
requires an administrator login. Refer to Section 5 of the AccuChrome User Manual for more
information about setting up and modifying configuration settings.
5.1 Component Table
Refer to Section 5.3 of the AccuChrome User Manual for more information about the
Component Table.
All the components to be analyzed are defined in the Component Table. The column called
“Nems” defines which components are analyzed by the AccuChrome and which components
are analyzed by the NEMS module. A check mark placed in the “Nems” column indicates that
the component will be analyzed by the NEMS module. See Figure A6. The analyzer is pre-
configured at the factory according to the sales specification. Please contact your Galvanic
service technician if changes are required.

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Figure A6: AccuChrome Component Table User Interface
The retention times and peak skimming parameters for the “Nems” components are separate
from the other components are and are relative to the start of the “Nems” chromatogram.
5.2 Setting the NEMS Parameters
Parameters for the NEMS module can be access from the Configure G.C. tab on the
righthand side navigation menu under “NEMS Setup”. Figure A7 provides a screenshot of this
page.
The parameters for the NEMS module that can be modified are:
Equilibration Time – The duration, in seconds, allowed for the NEMS device injector to
equilibrate to ambient pressure prior to sample injection. Sample gas flow is shutoff to the
NEMS module and additional pressure is relieved through the Sample gas vent.
Run Time – The duration, in seconds, permitted for analysis of the Sample Gas by the NEMS
device.
Injector Thermal Zone Active – This checkbox indicates that the injector heater is activated.
Injector Temperature – This field defines the temperature setpoint for the injector.
Injector Time – This field defines the length of time the injector stays on to inject a gas
sample into the column.
Backflush Active – This checkbox indicates that the column should be backflushed at the end
of the analysis cycle. this ensures that any gas species left in the column after the analyzer
are removed.
Backflush Time – This field indicates the length of time required to backflush the column.
Column Thermal Zone Active – This checkbox indicates that the column heater is activated.
Column Thermal Zone Setpoint – This field defines the temperature setpoint for the column
heater.

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Figure A7: Screenshot of NEMS Setup Page.
5.3 Viewing the NEMS Status
The status of the NEMS module can be viewed on the “NEMS Status” page found under the
Configure G.C. tab on the righthand side navigation menu (shown in Figure A8). This page
will display information about the NEMS State, current NEMS Run Time in seconds and the
Cabinet Temperature. You can also view information about the injector temperature and
column temperature. Set points may be entered for the Injection Thermal Zone and the
Column Thermal Zone within the acceptable operation temperatures are found in Table A3.
Table A3: Operational temperatures for the NEMS Module.
Measurement Point Operational Range (°C)
Injection Thermal Zone 50°C – 80°C
Column Thermal Zone 80°C – 120°C

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Figure A8: Screenshot of NEMS Status Page
Section 6 Using the Instrument
6.1 Chromatogram
There are two separate chromatograms, one shows the chromatogram generated by the
TCD while the other shows the chromatogram generated by the NEMS module. To view the
signal from the NEMS module, select NEMS from the righthand-side navigation menu on the
Chromatogram tab as shown in Figure A9.

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Figure A9: NEMS Module Chromatogram.
To modify the trace color of the chromatograph or viewing properties, you must first select
“NEMS” from the “Selected Curve:” drop down menu in the ribbon as shown in Figure A10.
Figure A10: Changing Trace Selection to Modify Viewing Properties.
Section 7 NEMS Validation
Validation of the NEMS C9 Module is performed at the same time as validation of the
AccuChrome GC. Refer to Section 7 of the AccuChrome User Manual for more information.
7.1 Performing a Calibration
No specific calibration is required for the NEMS C9 Module that is separate from the
AccuChrome GC unit. Refer to section 7.3 of the AccuChrome User Manual for more
information.

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Section 8 Maintenance
8.1 Overview
The AccuChrome Gas Chromatograph is designed for automatic trouble-free operation and
will provide reliable service with very little attention.
8.2 Cleaning the NEMS C9 Module
The exterior of the unit can be cleaned with a cleaner that is suitable for stainless steel. When
cleaning the exterior of the unit, take care that the cleaning material does not enter the
interior of the unit. Do not to submerse the unit in water, clean it with a hose or with excessive
amounts of water.
Do not attempt to clean any of the electronic equipment within the unit
8.3 Replacing Internal Components
There are no internal components for the NEMS module that are expected to require
replacement. If significant malfunction is suspected, contact Galvanic Applied Sciences.
Section 9 Troubleshooting
9.1 Overview
For a detailed review of troubleshooting the AccuChrome unit, refer to Section 10 of the
AccuChrome User Manual. All potential faults from the NEMS C9 Module will be related to
potential faults covered there.