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Model 331S Portable H2S Analyzer
Brand: Envent EngineeringThe Model 331S Portable H2S analyzer is designed as a spot-check H2S analyzer solution.
The 331S utilizes field-proven tape-based measurement technology that provides a linear and interference-free output of H2S. Certified for Class I, Division 2, Groups B, C, and D.
Features- Fast Response times Rapid Response Algorithm (RRA) ~ 20 seconds to alarm
- No interference from other components in the sample
- Low power consumption
- Extended tape life of 60 to 90 days
- Measures up to 5 times the calibrated range
- Quick Delivery
- Full field service & training available
Specifications
Brand
Power
- 12-24 VDC @ less than 3 watts or 100-240 VAC, 50/60 Hz
Electrical Classification
- *Door must be open during usage to maintain area classification, and enclosure must be protected from environmental conditions.
- Certified for Class I, Div 2 Groups B, C, & D*
Ambient Temperature
- 0° to 50° C (32° to 122° F). Consult factory for other requirements
Output Ranges
- Standard Ranges: 0-10 ppm, 0-20 ppm, 0-100 ppm (other ranges available upon request)
- Concentration ranges above 0-400 ppm require a dilution system
Accuracy & Repeatability
- > 200 ppm / ±2% F.S. [With Dilution]
- < 1 ppm / Consult factory
- 1-200 ppm / ±1.5% F.S.
Inputs
- Four (4) digital inputs individually configurable for pressure switches, temperature switches, or flow switches
Outputs
- Two (2) analog outputs
- Four (4) solenoid drivers
- Four (4) serial ports
- Four (4) relay outputs
- One (1) Ethernet Port (Optional)
Display
- 128 x 64 Graphic Display
- Menu is scrolled by internal button or external magnet
Dimensions
- 31.59" x 20.47" x 12.45" (802 x 520 x 316 mm)
