Measuring Technique |
TDLAS |
Measurement range |
1 ppmV...1000ppmV |
Accuracy |
±1% of reading > 100ppmV ±1ppmV < 100ppmV |
Repeatability |
<1ppmV (long-term stability <0.1ppmV/year) |
Limit of detection |
1ppmV |
Available units |
ppmV, lb/MMSCF, mg/Nm3, dew point °C or °F (ISO18453 or IGT#8) |
Response speed |
Optical response 0.2s Display update 2...3s |
Environmental conditions |
Indoor version: +10 °C...+45 °C Outdoor version:* –20 °C...+45 °C Outdoor with cooling option:* –20 °C...+55 °C |
Electrical Specifications
|
Supply voltage |
110 V AC or 230 V AC 50/60Hz |
Power requirements |
Indoor version: 80W Outdoor version: 180W |
Analog signals |
Input: 2 x 4...20 mA user configurable Output: 3 x 4...20 mA,3 alarms 250 V AC, 3A (volt-free contacts) |
Digital communications |
RS485 Modbus RTU |
Data logging |
Logs all process variables with a user selectable sample period in the range 10s...1 day |
Local interface |
4.3” color LCD with touch pad operation |
Electrical connections |
3 x M20 entries for cable glands |
Calibration
|
Factory method |
3-point, traceable to NPL and NIST |
Recommended calibration |
None required, dependant on user or quality system requirements |
Physical Specifications
|
Sample flow rate |
1 Nl/min cell sample, 1...5 Nl/min sample filter by-pass |
Inlet pressure |
Maximum 100 barg (1450 psig) |
Outlet pressure |
Cell vent 0.7...1.4 bara, Filter by-pass maximum 3 barg |
Enclosure type/ packaging |
Aluminium alloy, explosion proof, polyester coated, IP66, NEMA4 |
Gas connections |
1/4” NPT(F) |
Weight |
40kg (88lbs) (without sampling system) |
Sample system enclosure |
304L or 316L stainless steel |
Hazardous area certification |
ATEX/UKCA: II 2 G Ex d ib op is IIC T5 Gb
IECEx: Ex d ib op is IIC T5 Gb Tamb –20 °C...+60 °C
cQPSus: Class I, Division 1, Groups A, B, C, D, T5, Tamb –20 °C...+60 °C, IP66
TR CU Ex: 1 Ex d ib op is IIC T5 Gb |
*If installed outside, the analyzer must be shaded from direct sunlight to prevent heating effects through sun radiation |