| Measurement object |
O2, CO, CO/CH4, O2+CO/CH4, NH3, HCl
|
| Measurement system |
Tunable diode laser spectroscopy |
| Measured components and range |
Measured component |
Min. range |
Max. range |
| O2
|
0-1% |
0-25% |
| CO(ppm) |
0-200 ppm |
0-10,000 ppm |
| CO+CH4
|
CO |
0-200 ppm |
0-10,000 ppm |
| CH4
|
0-5 % |
| NH3
|
0-30 ppm |
0-50,000 ppm |
| HCl |
0-50 ppm |
0-5,000 ppm |
| Probe Length |
0.7m, 1.0m, 1.5m, and 2.0m |
| Output signal |
2 or 5 points (TDLS8100/TDLS8200), 4 to 20 mA DC |
| (Analog Output) |
Output types; Gas 1 concentration, Gas 2 concentration, Gas 3 concentration, Transmission, Process gas temperature, Process gas pressure |
|
Output range; 3.0 to 21.6 mA DC |
| Digital communication |
HART, Ethernet |
| Contact outputs |
2 points, contact rating 24 V DC, 1 A |
| (Digital Output) |
DO; |
|
Function: Activate during Warning / Calibration / Validation / Warm up / Maintenance conditions |
|
Fault; |
|
Function: Activate during normal condition, not activate during fault condition or when the system power is off |
| Valve control output |
2 points |
| Function; Activate calibration or validation solenoid valves for zero, span or validation gas |
| Output signal; 24 V DC, 500 mA Max. per terminal |
| Alarm |
Warning; |
| Gas concentration low/high, Transmission low, Process pressure low/high, Process temperature low/high, Validation required, Validation failure, Zero/Span calibration error, Non process alarm, External alarm |
| Fault; |
| Laser module temperature low/high, Laser temperature low/high, Detector signal high, Peak center out of range, Reference peak height low, Absorption too high, Transmission lost, Reference transmission low, Reference peak height high, Laser unit failure, Laser module error, File access error, E2PROM access error. |
| Contact inputs |
2 points |
| (Digital input) |
Function; |
|
External alarm/Calibration start/Validation start/Stream switch |
|
Contact specification; |
|
Zero voltage contact input |
|
Input signal; Open signal; |
|
100 kΩ or more, Close signal; 200 Ω or less |
| Input signal |
2 points, 4 to 24 mA DC |
| (Analog input) |
Input types; Process gas temperature, Process gas pressure |
| Self-diagnostics |
Laser Unit temperature, Sensor Control Unit temperature, Laser temperature, Detector signal level, Memory read/write function, Peak locking condition |
| Calibration |
Calibration method; Zero/Span calibration |
| Calibration mode; Manual, Auto, Local initiate (HMI) |
| Validation |
Validation method; Up to 2 points |
| Validation mode; Manual, Auto, Local initiate (HMI) |
| Power supply |
24 V DC ±10% |
| Warm-up time |
5 min. |
| Protection degree |
IP66, NEMA Type 4X |
| Hazardous area classifications |
Division 1, Zone 1; Explosion-proof/ Flame-proof type; FM, cFM, ATEX, IECEx (Pending) |
| Process gas condition |
Process gas temperature: Max 850°C |
| Process gas pressure: 90 to 500 kPa abs. |
| Process gas flow velocity: 1 to 30 m/sec |
| Installation condition |
Ambient operating temperature: -20 to +55°C |
| Storage temperature: -30 to +70°C |
| Humidity: 0 to 95%RH at 40°C (non-condensing) |
| Additional Specifications |
Cable entries; 1/2 NPT or M20x1.5mm, one hole and 3/4 NPT or M25x1.5mm, three holes |
| Purge gas connections; 1/4 NPT or Rc 1/4 |
| Recommended purge gasses; |
|
O2 analyzer: N2 (99.99% or greater, application dependent) |
|
CO, CO/CH4, NH3, and HCl analyzers: N2 (99.99% or greater, application dependent) or instrument air
|
