- Vibration Monitoring
- Industrial Communications
- PLC & I/O Cards
- Automation Accessories
- Controllers & Data Acquisition
- AC Drives
- Industrial Computers
- Encoders
- Isolator & Barrier
- Safety Switches & Guard Locking
- Automation Software
- HMI Displays
- Motor Soft Starters
- Servo Drives
- CCTV & Security
- Robotics
- Pneumatic Cylinders
- Machine Vision
Brand: AMETEK
AMETEK Western Research 9900RM/9900WM Multi-Component UV Gas Analyzer
Description
The AMETEK Western Research 9900RM/9900WM is a single or multi-component gas analyzer used on its own or as the analytical core of a continuous emissions monitoring (CEM) system. It is configured with UV, NDIR, paramagnetic and electromechanical technologies, so one platform can cover most gas species a refinery, petrochemical plant or stack test needs. The RM is the rack-mount version; the WM is the wall-mount version.
Seven Star LLC supplies the 9900 series from Muscat and reviews each analyte list against the data sheet before quoting.
One analyzer platform, several measurement technologies
The high-resolution UV bench gives a linear response with less than 1 percent deviation over four to five orders of magnitude, which AMETEK says makes data analysis simple and robust. A six-position filter wheel provides one reference and five measure wavelengths, so up to five species can be read directly with the UV bench. The dual-beam configuration with a reference measurement keeps noise, baseline drift and span drift low.
In total up to eight species can be measured: five by UV, up to two by NDIR (for example CO and CO2) and one oxygen measurement by an electromechanical or paramagnetic sensor. NOx is read directly as nitric oxide (NO) and nitrogen dioxide (NO2) with no converter and no quenching effect, and the UV method is not subject to interference from water or carbon dioxide. A multi-range SO2 measurement with accuracy better than +/-1.0 percent of full scale is listed.
The wall-mount version can hold an internal cabinet temperature of up to 50 degC (122 degF), which allows the sample to pass through the analyzer at an elevated dew point without a sample chiller.
Technical specifications
| Parameter | Specification |
|---|---|
| Species measured | Cl2, CO, CO2, H2S, NH3, NO, NO2, NOx, O2, SO2; other analytes on request |
| Methodology | Multiple-wavelength, high-resolution non-dispersive UV, NDIR, paramagnetic and/or electromechanical |
| Number of components | Up to eight: five by UV, up to two by NDIR, one O2 |
| Ranges | ppm to % level, application and analyte dependent |
| Typical sample flow | 0.25-5 L/min (0.6-10.5 SCFH) |
| Sample gas requirements | Non-corrosive, non-condensing, oil-free, particulates under 3 micron (0-95% non-condensing) |
| Sample system limits | 40 psig maximum; 5 psig with optional O2 sensor |
| Zero drift | Typically better than 2% of full scale over 24 h on standard ranges |
| Ambient conditions | -20 to +50 degC, or 0 to +50 degC for analyzers with HMI display or O2 sensor; 95% relative humidity |
| Power | 120 or 240 VAC +/-10%, 50/60 Hz; under 200 W at cold start |
| Communications | Modbus RTU RS485; optional Modbus TCP Fast Ethernet |
| Outputs / inputs | Four isolated analog outputs (0-20 mA, 4-20 mA, 0-5 V, 1-5 V); one Form A relay; two isolated dry contact inputs |
| Dimensions | 9900RM: 482 x 177 x 602.56 mm; 9900WM (304 or mild steel): 610 x 610 x 250 mm; 9900WM (fiberglass): 610 x 760 x 250 mm |
| Weight | 9900RM 18.2 kg; 9900WM 27 kg (steel) or 23 kg (fiberglass) |
| Approvals | Multiple ATEX, IECEx, CSA and NEC hazardous-area standards; request the certificate for the exact configuration |
Applications and what to confirm before ordering
AMETEK lists continuous emissions monitoring, source evaluation and stack testing, and span gas blending as the applications, for the refining, petrochemical, natural gas processing and stack emissions markets.
Because ranges and repeatability depend on the analyte, the configuration is fixed by the application. Send the gas species and ranges, the sample composition and dew point, the sample pressure, whether the oxygen correction is required, the rack-mount or wall-mount enclosure (and the wall-mount material), the area classification with the certificates required, and the communication protocol. If the sample is hot or wet, say so, because the wall-mount heated cabinet is the option designed for that case.
Documents and quotation
To request a quotation for the 9900 analyzer, send Seven Star LLC the full model or order code, quantity, and any nameplate data from an existing unit that is being replaced or matched. Our Muscat team checks the request against the manufacturer document, which can be downloaded from this page, and replies with a formal quotation. Prices, stock and lead times are confirmed per inquiry.
See also the gas analyzer systems category and AMETEK Western Research 888 tail gas analyzer.
Datasheets & Documents
- Datasheet AMETEK Western Research 9900RM/9900WM Gas Analyzers Data Sheet (F-0406 Rev 9) Download
Reviews (0)
About brand
Process analyzers for sulfur recovery, moisture and combustion are the AMETEK products most often requested by gas plants and refineries. AMETEK, a US instrument manufacturer founded in 1930 and based in Berwyn, Pennsylvania, sells them under names such as Western Research, Thermox and Drexelbrook. Seven Star LLC lists AMETEK gas analyzers, analyzer spare parts and level transmitters, and sources them for process plants in Oman.
AMETEK analyzers and parts listed
The AMETEK products on this page include:
- 5100HD and the transportable 5100P: tunable diode laser (TDLAS) analyzers, used for example for moisture in natural gas
- 3050-OLV: process moisture analyzer, with spare boards such as 305110902S
- Thermox WDG-V: flue gas oxygen analyzer for combustion control
- Western Research 900 air demand analyzer and 930 analyzer for H2S in sulfur pits
- Drexelbrook RCT-1210 RF level transmitter
- Spare parts: PCB assemblies, a protected gold mirror and hollow cathode lamps
Where AMETEK analyzers are used
The 900 air demand analyzer sits on the tail gas of a Claus sulfur recovery unit and measures H2S and SO2 so the air to the reaction furnace can be trimmed. The 930 watches the vapor space of the sulfur pit. Moisture analyzers such as the 3050-OLV and 5100HD serve gas dehydration, pipeline and LNG feed gas, and the Thermox WDG-V measures excess oxygen on fired heaters and boilers. These duties are common in gas processing and refining across the GCC.
Ordering AMETEK analyzers and spares: what we need
For spare parts, send the AMETEK part number, the analyzer model and its serial number. Boards and optical parts change with analyzer revision, and the serial number lets the build be checked in the manufacturer's records. For a new analyzer we need the stream composition, the component and range to be measured, sample pressure and temperature, area classification, power supply, outputs and whether a sample system or shelter is included. For Drexelbrook level transmitters give the full model number, the probe length and the process material.
Browse AMETEK products by category: Gas Analyzer Accessories, Gas Analyzer Systems, Liquid Analytical Accessories, Level Transmitter.
Related products
Frequently Asked Questions
How many gases can the 9900 measure at once?
Up to eight: five by the UV bench, up to two by NDIR and one oxygen measurement.
What is the difference between 9900RM and 9900WM?
The RM is the rack-mount version and the WM the wall-mount version, which can keep an internal cabinet temperature of up to 50 degC.
Does water or CO2 interfere with the UV measurement?
AMETEK states the UV method has no interference from H2O and CO2, and NOx is read directly as NO and NO2 without a converter.
What communication does it offer?
Modbus RTU over RS485 as standard, with optional Modbus TCP over Fast Ethernet, plus four isolated analog outputs.
Which sample conditions are required?
Non-corrosive, non-condensing, oil-free gas with particulates under 3 micron, at 40 psig maximum or 5 psig with the optional O2 sensor.
Reviews
There are no reviews yet.