The Panametrics Aurora RM is a rack mount moisture analyser which can be used to measure moisture in a range of background gases. The Aurora RM uses tunable diode laser absorption spectroscopy (TDLAS) for accurate moisture measurement in a variety of environmental conditions.
Manufactured by: Panametrics
Model: Aurora RM - Rack Mount Moisture Analyser
Range | |
Range | 0 to 5000 ppmv For CO2 applications: 0 to 1000 ppmv |
Lower Detection Point | 2 ppm For CO2 applications: 20 ppm (-55.3°C) |
Dew/Frost Point | -97°F to 27.3°F (-71°C 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) |
Accuracy | |
Moisture reading (parts per million by volume) | ±1% of reading or ±2 ppmv, whichever is greater; for > 1000 ppmv, ±5% of reading For CO2 applications: 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, flow rate and pressure, as well as the change in moisture concentration. |
Pressure | |
Operating Sample Cell Pressure | 69 to 172 Kpa (10 to 25 psia) |
Process Pressure | 102 psig (0.69MPa) 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 flowrate through sample cell, available upon request |
I/O | |
Display | Backlit transflective LC display. Three programable simultaneous parameters. Alphanumeric status and diagnostic display. LEDs for power, laser temperature stability, keypad lockout |
Power | analyser: 100-240 VAC, 50-60 Hz |
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 (RJ-45) port: Modbus TCP/IP protocol |
User Interface | Tactile keypad with status/fault indicator LEDs |
Laser | Class 1 product. Conforms to IEC 60825-1. Edition 2.0 Safety of Laser Products |
Enclosure | |
Ingress Protection | IP 20 |
Net Weight | 19 kg (41 lbs) |
Dimensions (H x L x W) | 7” H (177 mm) X 19” W (483 mm) X 22” D (559 mm) |
Temperature | |
Operating | -20 to 50°C (-4 to 122°F) |
Storage | -20 to 70°C (-4 to 158°F) |
Certification | |
USA/Canada | General Purpose (No hazardous area certification) |
EU and Elsewhere | General Purpose; Complies with 2014/30/EU EMC and 2014/35/EU LVD harmonizing directives |