| Detection Method |
NSure Sulfur: UV- Fluorescence (UVF) Spectrometry
NSure Nitrogen: Chemiluminescence detection (CLND) |
| Method Correlation |
NSure Sulfur: ASTM D5453, D6667, ISO 20846（SH/T0689,GB/T 11060.8 in China）
NSure Nitrogen: ASTM D4629, DIN 38409, TEIL 27, ASTM D5176, EN 12225 |
| Certifications / Area classifications |
CSA/UL, NEC Class 1 Division 2 Groups A, B, C & D
ATEX:
Zone 1 Ex db ib pxb IIC T4 Gb (T3 w/heated valve)
Zone 2 Ex db nA pxb IIC T4 Gb (T3 w/heated valve) |
| Range |
Sulfur:
• Full-scale ranges from 0-1 ppm/wt to 0–5% level (field adjustable)
Nitrogen:
• Full-scale ranges from 0-1 ppm/wt to 0–2000 ppm/wt level (field adjustable)
• Note: Higher ranges available, consult factory. Dual ranges with DCS remote selectable
or automatic range switching. |
| Streams |
Single or Dual stream options |
| Ultra-low detection (LLD) |
20 ppb |
| Instrument unit |
ppm (mg/m3 is optional, users need to provide relevant parameters as required) |
| Repeatability |
Within <0.5% of full scale, for most applications |
| Response Time |
1 minute per stream |
| Analysis Time |
1-5 minutes per stream (application dependent) |
| Accuracy |
Within <1% of full scale, for most applications |
| Noise |
Less than 1% of full scale |
| Zero/Span drift |
1% of full scale per week |
| Calibration/Validation |
Automatic or manual system validation and calibration with user-defined parameters |
| Calibration/Validation Time |
1 minute per stream (application dependent) |
| Communication Outputs |
4-20mA (active) isolated outputs, range selectable
Discrete digital inputs and outputs for remote control and status indicationRS-485 for Modbus RTU (standard)
Modbus TCP/IP and Ethernet (standard)
Remote workstation (optional)
|
| Automatic diagnosis |
Yes |
| Supply & Connections |
• Carrier Gas: Argon, instrument air* or nitrogen (99.975%) regulated to 50 psig (3.4 Bar) at 1-15 cc/min (typical; application dependent)
• Combustion Gas: Instrument air* or oxygen O2 (99.975%) regulated to 50 psig (3.4 Bar) at 350-500 cc/min (typical; application dependent)
• Valve & Pneumatic Air Supply: Clean, dry, particle-free air @ 80-100 psig (5.5 - 6.9 Bar)
• Purge Air Supply: Clean, dry, particle-free air at 80-120 psig (5.5 - 6.9 Bar); 425 LPM (15 SCFM) for startup and then 130 LPM (4.6 SCFM) for normal operation
*Instrument air: Clean, dry, particle-free
Note: NSure Sulfur can be operated on 100% instrument air for most applications |
| Sample Conditions (without Sample Conditioning System) |
• Sample Phase: Gas or Liquid
• Sample Inlet Pressure: Up to 400 psig (27.6 Bar) (application dependent)
• Sample Inlet Temperature: Up to 212˚F (100˚C)
• Sample Condition: Sample should be filtered to at least 0.5 microns
• Sample Return Pressure: <10-20 psi input (0.7 – 1.4 Bar); maintain ≥25 psi (1.7 Bar) differential to return to process |
| Voltage/ Current/ Frequency |
115 VAC (13 Amps) or 230 VAC (6.5 Amps); 50-60 Hz |
| Power |
1500 Watts |
| Display |
LCD: PLC with 7” (17.8 cm) touchscreen display or 15” (38.1 cm) touchscreen display
The touchscreen is used to program the unit and display current and historical analyser results and alarm status |
| Operating temperature |
32-105˚F (0-40˚C), extreme conditions may require vortec cooler option |
| Analyzer Dimensions |
• Enclosures: Width – 26 in (66 cm), Depth – 17 in (43.2 cm), Height – 45 in (114.3 cm)
• Floor to analyzer (minimum) – 18 in (23 cm); Add 5 inches to height for Bebco Vent
• Unobstructed-Mounted Enclosure: Width – 26 in (66.04 cm); Depth – 30 in (76.2 cm), Height – 72 in (182.9 cm) |
| Analyzer Weight |
400 pounds (181.4 Kg) |
| Crated Dimensions and Weight |
86 in (218.4 cm) x 42 in (106.7 cm) x 56 in (142.2 cm); 775 lbs. (351.5 Kg) |