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 The Need
A compact, reliable process analyzer is required to properly monitor and control most modern chemical processes. Whether you are performing feed-forward control, feed-back control, or quality monitoring, an on-line process analyzer is required for optimal control.
The Solution
The Western Research™ Model 932 uses a sophisticated UV-VIS photometer to measure up to five gas species for process monitoring and control. The 932 is provided as an explosion-proof package making it suitable for most chemical and petrochemical applications.
This analyzer uses AMETEK's proprietary high-resolution UV-VIS technology which is completely free from water or hydrocarbon interference, maximizing measurement accuracy. A very flexible design, the 932 can be optionally equipped with additional sensors to add the capability to monitor H2.
The Model 932 analyzer utilizes industrial electronics to provide concentration calculations, data processing, temperature control, calibration and sophisticated self-diagnostics. No matter what your need is, this rugged analyzer is solid proof of AMETEK’s worldwide reputation for durability and reliable performance.
Superior Benefits
- Class I, Division 1, or ATEX II 2 G Hazardous Area Rating
- Direct measurement
- Provision to return sample to process (with heated acid gas probe option)
- Minimal sample conditioning
- Dual-beam, dual-wavelength design
- Optional detectors available (thermal conductivity-hydrogen and IR-hydrocarbon)
Applications
- Feed gas analysis
- Reaction rate monitoring
- Impurity detection
- Quality assurance monitoring
| Specifications |
| Methodology: |
Multiple wavelength, high resolution, non-dispersive UV/VIS
Full Scale Ranges: ppm and % vol are standard, other ranges are available |
| Accuracy: |
Standard range (UV): ±1% full scale of standard ranges*
±2.0% full scale of standard ranges for the H2S+NH3 application
Optional (TCD) H2 sensor for TGTU applications: ±2% of full scale range
Optional (IR) sensor for THC, CO2: application specific, consult factory |
| Repeatability: |
Better than ±0.5% of full scale range* |
| Linearity: |
Better than ±1% of full scale* |
| Zero Drift: |
Better than 2% of full scale range, with auto zero disabled, over 24 hour period |
| Speed of Response: |
Typically less than 30s to T90 (excluding sample system) |
| Number of Gases: |
up to five |
| Zero gas: |
Gas: Nitrogen or instrument air Liquid: Application specific |
| Typical Sample Flow: |
| Gas: |
2.5 L/min (5 SCFH) |
| Liquid: |
Application specific |
| Sample Transport: |
Application dependant (options include Heated Acid Gas probe) |
| Outputs: |
Up to 4 isolated 4-to-20 mA, loop or self-powered; 4 non-isolated 1 to 5 VDC; 5 independent sets of SPDT, Form C, potential free alarm relay contacts, 2 A at 240 VAC |
| Digital Communication: |
RS485 Modbus port; RS232/RS485 service port |
| Utility Requirements: |
120 VAC (104 to 132 VAC), 47 to 63 Hz, <3A; 240 VAC (207 to 264 VAC), 47 to 63 Hz, <2A |
| Power Consumption: |
500 W maximum (with heated probe and cell), sample lines or additional heated sample components not included |
| Ambient Temperature: |
0 to 50°C (32 to 122°F) |
| Physical Dimensions: |
1185 x 780 x 254 mm (46.65 x 30.7 x 9.97 in.) |
| Weight: |
Approximately 145 kg (320 lbs) |
| Approvals and Certifications: |
CEC Class I, Division 1, Groups C & D; Ex d IIB T3
NEC Class I, Division 1, Groups C & D; AEx d IIB T3
ATEX II 2 G EExd IIB T3
Russian Ex Proof Certification; 1ExdIIBT3 X
Russian Gosstandart Pattern Approval
Complies with all relevant European directives |
* Typical for most applications
Product Data Sheets
Application Notes
Technical Papers
Other
- CEC Class I, Division 1, Groups C & D; Ex d IIB T3
- NEC Class I, Division 1, Groups C & D; AEx d IIB T3
- ATEX II 2 G EExd IIB T3
- Russian Ex Proof Certification; 1ExdIIBT3 X
- Russian Gosstandart Pattern Approval
- Complies with all relevant European directives
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