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Specifications 
 Model GFC7000TA Carbon Dioxide Analyzer 
 
Teledyne Analytical Instruments 
2. SPECIFICATIONS AND APPROVALS 
2.1. Specifications 
Table 2-1:     Model GFC 7000TA Basic Unit Specifications 
GFC 7000TA Parameter 
GFC 7000TA Specification 
Ranges 
(Physical Analog Output) 
Min: 0-2 ppm Full scale 
Max: 0-2,000 ppm Full scale 
Selectable, dual ranges and auto ranging supported 
Measurement Units 
ppb, ppm, µg/m
3
, mg/m
3
, % (user selectable) 
Zero Noise 
< 0.1 ppm (RMS) 
Span Noise 
< 1% of reading (RMS) 
Lower Detectable Limit 
< 0.2 ppm
1
 
Zero Drift (24 hours) 
<0.25 ppm
1
 
Span Drift (24 hours) 
<0.5% of reading
 1
 
Lag Time 
10 seconds 
Rise/Fall Time  
<60 seconds to 95% 
Linearity 
1% of full scale 
Precision 
0.5% of reading  
Sample Flow Rate 
800cm
3
/min.  ±10% 
O
2
 Sensor option adds 110 cm³/min, ±20%, to total flow through when installed. 
Temperature Coefficient 
< 0.1% of Full Scale per 
o
Voltage Coefficient 
< 0.05% of Full Scale per V 
AC Power Rating 
100V-120V, 220V – 240 V, 50/60 Hz 
Analog Output Ranges 
10V, 5V, 1V, 0.1V (selectable) 
Analog Output Resolution 
1 part in 4096 of selected full-scale voltage 
Recorder Offset 
±10% 
Standard I/O 
1 Ethernet: 10/100Base-T 
2 RS-232 (300 – 115,200 baud)  
2 USB device ports 
8 opto-isolated digital status outputs  
6 opto-isolated digital control inputs (3 defined, 3 spare)  
4 analog outputs 
Optional I/O 
1 USB com port 
1 RS485 
8 analog inputs (0-10V, 12-bit) 
4 digital alarm outputs 
Multidrop RS232 
3 4-20mA current outputs 
Environmental Installation 
category (over-voltage category) II; Pollution degree 2 
Temperature Range 
5-40
o
Humidity Range 
0 - 95% RH, non-condensing 
Dimensions H x W x D 
7" x 17" x 23.5" (178 mm x 432 mm x 597 mm)