| Range |
| Range |
0 to 5000 ppm
For CO2 applications: 0 to 1000 ppm |
| Lower Detection Point |
2 ppm For CO2 applications: 20 ppm (-55.3°C) |
| Dew/Frost Point |
-97° to 27.3°F (-71° to -2.6°C) frost point @ STP of 25°C, 14.696 psia |
| Process Dew/Frost Point |
Process or equivalent dew point/ frost point by calculation with process pressure signal (4-20 mA) or constant |
| Absolute Humidity |
0.095 to 237 lbs/MMSFC (1.52 to 3,803 mg/m3) |
| Moisture reading (parts per million by volume) |
±1% of reading or ±2 ppm, whichever is greater; for > 1000 ppm, ±5% of reading
For CO2 applications: ±3% of reading or ±5 ppmv For H2 recycle applications: ±1% of reading or ±2 ppmv (for up to ±5% H2 and ±1% C2H6 variation from nominal calibration composition)
(Background conditions for individual instrument calibrated accuracy provided in Certificate of Conformance. Accuracy of other parameters derived from ppmv.) |
| Repeatability |
±0.2 ppmv or ±0.1%, whichever is greater For CO2 applications: ±1.0 ppmv or ±0.5%, whichever is greater |
| Calibration Certification |
NIST or equivalent
NMI traceable certification |
| Calibration Options |
Nitrogen, standard natural gas and 3 customizable calibration curves |
| Response Time |
| Response Time |
Optical system <2 seconds |
| System Response |
The system response is dependent on the length of sample tubing, sample system components, fl ow rate and pressure, as well as the change in moisture concentration. |
| Pressure |
| Operating Sample Cell Pressure |
10 to 25 psia (69 to 172 kPa) |
| Maximum Pressure |
200 psi (1380 kPa) |
| Process Pressure |
400 psig (2.76 MPa) [2500 psig (17.23 MPa) with heated pressure regulator option]
Higher pressure available with application of additional sampling system components. |
| Flow Rate |
| Sample Cell Flow Rate |
10 to 60 SLH (0.4 to 2 SCFH );
30 SLH (1 SCFH) nominal |
| By-pass Fast Loop |
5 to 10X of flow rate through sample cell |
| I/O |
| Display |
Backlit LCD. Three programable simultaneous parameters. Alphanumeric status and diagnostic display. LEDs for power, laser temperature stability, keypad lockout |
| Power |
Analyzer: 100-240 VAC, 50-60 Hz, 24VDC |
| Analog Outputs |
Three 0/4-20 mA DC (source) with 500 ohm load. User programmable for any parameter and scalable. Complies with NAMUR protocol for analog signals. |
| Analog Input |
Loop powered 4-20 mA input for remote pressure transmitter. Aurora supplies 24 VDC. |
| Digital Interfaces |
Two programmable digital communications ports: RS232, RS485 with multidrop capability and assignable address, MODBUS RTU protocol. One Ethernet port: Modbus TCP/IP protocol |
| User Interface |
Programmable “through-the-glass” via magnetic stylus |
| Laser |
Class 1 product. Conforms to IEC 60825-1. Edition 2.0 Safety of Laser Products |
| Enclosure |
| Ingress Protection |
IP-66 |
| Net Weight |
45 kg (100 lb) |
| Dimensions (H x L x W) |
841.2 mm x 461 mm x 332.3 mm (33.12 in. x 18.31 in. x 13.08 in.) |
| Temperature |
| Operating |
-20 to 65°C (-4 to 149°F) |
| Storage |
-20 to 70°C (-4 to 158°F) |
| Optional Heater/ Thermostat Set Point |
20°C/68°F ±5°C/9°F for US/Canada,
10°C/50°F ±5°C/9°F EU and elsewhere |
| Hazardous Area Certification |
| USA/Canada |
Explosion-proof for Class I, Division 1, Groups B, C, D |
| EU and Elsewhere |
ATEX and IECEx: Ex de IIB+H2 T6 -20°C to +65°C Flameproof with increased safety compartment |
