Xtralis VESDA Sensepoint XCL, Installation Manual

Page: 38 / 50

A Appendices
A.1 Detector Parameters
Gas Detector Type
User Selectable
Range
Default
Range
User Selectable
Cal Gas Range
Default Cal
Point
Response Time T
90
(s) – Standalone
Resolution
Accuracy (greater of
ppm or % of applied gas)
Carbon Monoxide (ppm) XCL-LB-CO.. 50 to 1000ppm 300ppm
20 to 70% of
selected full scale
range
100ppm <30 1ppm < ±2ppm or ±10%
Flammable CAT (% LEL) XCL-LB-CH4.. 20 to 100% LEL 100% LEL 50% LEL <30 1% LEL < ±3%LEL or ±10%
Hydrogen (ppm) XCL-LB-H2.. 1000ppm (Fixed) 1000ppm 500ppm <120 1ppm < ±15ppm or ±20%
Carbon Dioxide (% v/v) XCL-LB-CO2VV.. 1.0 to 5.0% v/v 5.0% v/v 2.5% v/v <30 0.1% v/v < ±0.2% v/v or ±20%
Carbon Dioxide (ppm) XCL-LB-CO2PP.. 1000 to 5000ppm 5000ppm 2500ppm <30 10ppm < ±30ppm or ±20%
Hydrogen Sulphide (ppm) XCL-LB-H2S.. 10 to 50ppm 50ppm 25ppm <30 0.1ppm < ±0.3ppm or ±10%
Nitrogen Dioxide (ppm) XCL-LB-NO2.. 5 to 50ppm 20ppm 5ppm <120 0.1ppm < ±0.2ppm or ±20%
Ammonia (ppm) XCL-LB-NH3.. 50 to 200ppm 100ppm 50ppm <200 1ppm < ±4ppm ±20%
Oxygen (% v/v) XCL-LB-O2.. 25.0% v/v (Fixed) 25.0% v/v 20.9% v/v <30 0.1% v/v < ±0.5 % v/v
Gas
Operating
Temperature
Default Alarm Points & Types
LAL
1
LDL
2
Min Max A1
Default A1
Type
A1 Options A2 Default A2 Type A2 Options
Carbon Monoxide(ppm)
-20°C 50°C
30ppm
Rising Rising/Disabled
100ppm
Rising Rising/Disabled
15ppm 10ppm
Flammable CAT (% LEL) 20% LEL 50% LEL 10% LEL 6% LEL
Hydrogen (ppm) 200ppm 400ppm 100ppm 30ppm
Carbon Dioxide (% v/v) 0.4% v/v 0.8% v/v 0.2% v/v 0.1% v/v
Carbon Dioxide (ppm) 1500ppm 3000ppm 500ppm 300ppm
Hydrogen Sulphide (ppm) 10ppm 20ppm 1ppm 0.8ppm
Nitrogen Dioxide (ppm) 0.7ppm 2ppm 0.6ppm 0.3ppm
Ammonia (ppm) 20ppm 50ppm 20ppm 6ppm
Oxygen (% v/v) 23.5% v/v 19.5% v/v Falling Falling/Disabled 5.0% v/v 3% v/v
1
LAL Lower Alarm Level (lowest alarm level that user can set)
2
LDL Lower Detection Limit (lowest detectable level that device can display)
VESDA VESDA Sensepoint XCL – Large Bore Installation Manual
www.xtralis.com 32