Teledyne TV Converter Box gfc 7000t User Manual

Manual Addendum  
Model GFC 7000T  
CO2 Analyzer  
(Addendum to GFC 7000TA Manual, PN 07272)  
P/N M07273  
DATE 06/11/13  
TELEDYNE ELECTRONIC TECHNOLOGIES  
Analytical Instruments  
16830 Chestnut Street  
City of Industry, CA 91748  
Telephone: (626) 934-1500  
Fax: (626) 961-2538  
Teledyne Analytical Instruments  
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Model GFC7000T Carbon Dioxide Analyzer  
ABOUT THIS ADDENDUM  
This addendum, part number 07273, is to be used in conjunction with the Model GFC 7000TA  
operation manual, part number 07272. Where operation of the Model GFC 7000T diverges from  
that of the Model GFC 7000TA, this addendum takes precedence.  
Please note that the GFC 7000TA operation manual contains important SAFETY messages for  
this instrument. It is strongly recommended that you read that operation manual in its entirety as  
well as this addendum, before operating the instrument.  
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Model GFC7000T Carbon Dioxide Analyzer  
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Model GFC7000T Carbon Dioxide Analyzer  
TABLE OF CONTENTS  
About This Addendum ...............................................................................................................iii  
Table of Contents ...................................................................................................................... v  
1.  
2.  
3.  
4.  
Overview ............................................................................................................................1  
Specifications and Agency Approvals................................................................................1  
Electrical Connections........................................................................................................2  
Pneumatic Connections .....................................................................................................3  
4.1. Basic and Zero/Span Valve Option Configurations ........................................................3  
4.2. Making the Pneumatic Connections...............................................................................5  
5.  
6.  
7.  
Relay alarm outputs (Standard configuration)....................................................................6  
Relay alarm outputs (Air Products Configuration)..............................................................7  
Control inputs (Air Products Configuration only)................................................................7  
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Model GFC7000T Carbon Dioxide Analyzer  
1. OVERVIEW  
The Model GFC 7000T is a close derivative of the Model GFC 7000TA CO2 Analyzer. The  
main differences are as follows.  
The optical bench is longer (14 m), making the instrument more sensitive at low CO2  
levels. The instrument has a user-selectable full scale range of 0-100 PPB to 0-100 PPM  
of CO2.  
The rear panel is different. There is an extra pneumatic port for the exhaust of the purge  
gas to the GFC wheel. Also, there are relay alarm outputs available on the rear panel.  
Refer to the main manual (i.e. GFC 7000TA) that is shipped with your instrument for  
details of the instrument’s components and operation. Any differences between this  
instrument and what is described in the GFC 7000TA, will be described in this Addendum  
to the manual.  
2. SPECIFICATIONS AND AGENCY APPROVALS  
Table 2-1 presents the specification parameters and values, as well as agency approvals.  
Table 2-1. GFC 7000T Specifications and Agency Approvals  
PARAMETER  
Ranges  
SPECIFICATION  
User selectable to any full scale range from 0-2 ppm to 0-2,000 ppm  
Measurement Units  
Zero Noise  
ppb, ppm, µg/m3, mg/m3 (user selectable)  
< 0.1 ppm RMS  
Span Noise  
< 1% of reading RMS  
< 0.2 ppm  
Lower Detectable Limit  
Zero Drift (24 hours)  
Span Drift (24 hours)  
Linearity  
< 0.25 ppm  
< 0.5% of reading  
1% of full scale  
Precision  
0.5% reading  
Lag Time  
10 sec  
Rise/Fall Time  
Sample Flow Rate  
Temperature Range  
Humidity Range  
Temp Coefficient  
Voltage Coefficient  
Dimensions (HxWxD)  
Weight  
<60 sec to 95%  
800 cm3/min. ± 10%  
5 - 40C operating  
0-95% RH, Non-Condensing  
< 0.05 % of reading per C  
< 0.05 % of reading per V  
7" x 17" x 23.5" (178 mm x 432 mm x 597 mm)  
40 lb (18.1 kg)  
AC Power  
100 – 120V 50/60 Hz,  
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Model GFC7000T Carbon Dioxide Analyzer  
PARAMETER  
SPECIFICATION  
220 – 240 V 50/60 Hz  
Environmental  
Conditions  
Installation Category (Over voltage Category) II Pollution Degree 2  
1 Ethernet: 10/100Base-T  
2 RS-232 (300 – 115,200 baud)  
2 USB device ports  
Standard I/O  
8 opto-isolated digital status outputs  
6 opto-isolated digital control inputs  
4 analog outputs  
1 USB com port  
1 RS485  
Optional I/O  
8 analog inputs (0-10V, 12-bit)  
4 digital alarm outputs  
Multidrop RS232  
3 4-20mA current outputs  
Analog Output  
Resolution  
1 part in 4096 of selected full-scale voltage  
Certifications  
CE: IEC 61010-1:2001, EN61326 - Class A  
North American: cNEMKO (Canada): CAN/CSA-C22.2 No. 61010-1-04  
NEMKO-CCL (US):UL No.61010-1 (2nd Edition)  
3. ELECTRICAL CONNECTIONS  
Follow the instructions for unpacking, inspecting, and making electrical connections  
presented in the main operation manual included with your analyzer.  
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Model GFC7000T Carbon Dioxide Analyzer  
4. PNEUMATIC CONNECTIONS  
This section provides information on the basic pneumatic configuration and the zero/span  
valve option pneumatic configuration. First are diagrams to illustrate the configurations,  
followed by a description of the pneumatic ports, and then step-by-step instructions for  
attaching the lines.  
4.1. BASIC AND ZERO/SPAN VALVE OPTION CONFIGURATIONS  
CAUTION  
Sample and calibration gases should only come into contact with PTFE  
(Teflon), FEP, glass, stainless steel or brass.  
NOTE  
To prevent dust from entering the gas flow channels, your analyzer was shipped with small  
plugs inserted into each of the pneumatic fittings on the back panel. Remove these dust  
plugs and store for future use before proceeding.  
Figure 4-1 illustrates the most common configuration for gas supply and exhaust lines to the  
Model GFC 7000T Analyzer without an internal pump. Figure 4-2 illustrates the pneumatic  
connections for optional configuration with optional zero/span valves.  
Table 4-1 describes the pneumatic ports.  
Note that the flowmeter could also be configured upstream of the instrument. Since most  
flowmeters are calibrated at ambient pressure, ensure that the flow going through the flow  
meter is at ambient pressure, when it is placed upstream.  
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Model GFC7000T Carbon Dioxide Analyzer  
Figure 4-1. Pneumatic Connections for Pressurized Sample Delivery (w/o Internal Pump)  
Figure 4-2. Pneumatic Connections–Configuration with Zero/Span Valve Option  
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Model GFC7000T Carbon Dioxide Analyzer  
Table 4-1. Model GFC 7000T Pneumatic Connections  
Function  
Rear Panel Label  
Connect a gas line from the source of sample gas here.  
SAMPLE  
Calibration gasses are also inlet here on units without  
zero/span valve option installed.  
Connect an exhaust gas line of not more than 10 meters  
long here.  
EXHAUST  
On units with zero/span valve option installed, connect a  
gas line to the source of calibrated span gas here.  
PRESSURE SPAN  
VENT SPAN  
ZERO  
Not used  
On units with zero/span valve option installed, attach a  
gas line to the source of zero air here.  
This inlet supplies purge air to the GFC wheel housing  
TO PURGE  
Connect a source of dried air that has been scrubbed of  
CO2.  
This exhausts purge air to the GFC wheel housing.  
Connect an exhaust gas line of not more than 10 meters  
long here. It is only used on the GFC 7000TU instrument.  
FROM PURGE  
4.2. MAKING THE PNEUMATIC CONNECTIONS  
CAUTION  
Venting should be outside the shelter or immediate area surrounding the  
instrument.  
1. Attach a sample inlet line to the sample inlet port. The SAMPLE input line should not  
be more than 2 meters long.  
2. Attach sources of zero air and span gas  
3. Span Gas is a gas specifically mixed to match the chemical composition of the type  
of gas being measured at near full scale of the desired measurement range.  
When CO2 measurements are to be made with the Teledyne Instruments Model  
GFC 7000T Analyzer it is recommended that you use a gas calibrated to have a CO2  
content equaling 80% of the range of compositions being measured.  
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Model GFC7000T Carbon Dioxide Analyzer  
EXAMPLE: If the application is to measure between 0 ppm and 50 ppm, an  
appropriate Span Gas would be 40 ppm. If the application is to measure between  
0 ppm and 100 ppm, an appropriate Span Gas would be 80 ppm.  
Zero Air is similar in chemical composition to the earths atmosphere but scrubbed of  
all components that might affect the analyzer’s readings. In the case of CO2  
measurements this means CO2 less than 0.1 ppm of CO2 and Water Vapor.  
Zero Air can be purchased in pressurized canisters or created using a Teledyne  
Instruments Model 701 Zero Air Generator in combination with a canister of  
indicating soda-lime.  
4. Attach an exhaust line to the exhaust outlet port.  
The exhaust from the analyzer and vent lines should be vented to atmospheric  
pressure using maximum of 10 meters of 1/4” PTFE tubing.  
5. Attach a source of dried air scrubbed of CO2 to the purge inlet port  
The source of purge gas should be at least 10 psig and capable of maintaining a flow  
of at least 1 liter/min.  
Purge source gas pressure should not exceed 30 psig. The purge exhaust is only  
used on the GFC 7000TU model.  
6. Once the appropriate pneumatic connections have been made, check all pneumatic  
fittings for leaks.  
5. RELAY ALARM OUTPUTS (STANDARD  
CONFIGURATION)  
There are 4 relay alarm outputs (AL1-AL4) on the rear panel.  
AL1 is for system okay,  
AL2 is for concentration limit 1 exceeded and  
AL3 is for concentration limit 2 exceeded.  
AL4 is not used  
The relay alarm output AL1 is enabled all the time, whereas the AL2 and AL3 can be  
enabled/disabled by going into the diagnostics menu (with 929 password), then factory  
options, then turning conc. Alarm Relays ON or OFF.  
When the concentration alarm relays are enabled, concentration alarms status is no longer  
available through the “Status output” pins. So, either the alarm relays or the status bits could  
be used to monitor the concentration alarms but not both at the same time. The default  
factory setting is to enable the concentration alarm relays.  
The AL1 relay is energized when the system is okay and de-energized when the system has  
a fault. The AL2 and AL3 relays energize when the corresponding concentration limits are  
exceeded.  
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Model GFC7000T Carbon Dioxide Analyzer  
6. RELAY ALARM OUTPUTS (AIR PRODUCTS  
CONFIGURATION)  
There are 4 relay alarm outputs (AL1-AL4) on the rear panel.  
AL1 is for “system okay”,  
AL2 is for “high range status” and  
AL3 is for “zero calibration status”  
AL4 is not used  
The AL1 relay is energized when the system is okay and de-energized when the system has  
a fault. The AL2 relay is energized when the high auto-range is in use and and AL3 relays  
energize when the the instrument is in zero calibration mode.  
7. CONTROL INPUTS (AIR PRODUCTS  
CONFIGURATION ONLY)  
An additional control input is available on this instrument. Control input “C” is used to  
select the range for remote calibration. When input C is low, the instrument selects high  
range during contact closure calibration.  
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