Honeywell XNX-AM Series Technical Manual page 144

XNX Universal Transmitter
EC Sensor Performance Data, Factory Mutual Verified
(see Certifications by Part Number
Selectable Full
Cartridge Scale Range (Dis-
Gas
Part Number play and 4-20mA
Full Scale)
O Oxygen XNXXSO1FM
2
H S Hydrogen Sulfide XNXXSH1FM 10.0 to 50.0 ppm
2
XNXXSC1FM 1
CO Carbon Monoxide 100 to 1000 ppm
Footnotes:
1. XNXXSC1FM accuracy over temperature <±10% of reading 20°C/68°F to 55°C/131°F, <±20% of reading 20°C/68°F to -10°C/14°F, <±30% of reading -10°C/14F to -20°C/-4°F.
Recalibration is recommended if the temperature of the local environment has varied by more than -30°C.
Notes:
• Performance figures are measured by test units calibrated at 50% of full scale, at ambient conditions of 20°C, 50% RH, with the EC weatherproof cover attached
• IP rating of FM Cartridges is IP63.
• Barometric pressure effects on the O
pressure changes by ±20% the output from the O
ambient pressure due to either weather or altitude. For example, a 10KPa instantaneous positive pressure step change may cause an overscale alarm condition for a period
of about 12 seconds.
• Operating the EC sensor at extended temperature ranges for a prolonged time period exceeding 12 hours my cause deterioration in the sensor performance and shorten
sensor life. Extended temperature range for XNX EC sensors is -40°C ot -20°C.
• Response times may increase at lower temperatures.
• FM performance verification is limited to the requirements of the standards identified in Table 6.3 for each cartridge.
• Contact Honeywell Analytics for additional data or details.
Specifications
Series)
Range Lower Lower
Default
Incre- Alarm Detection
Range
ments Limit Limit
n/a 23.0% Vol n/a 5.0%Vol 5% Vol
15.0 ppm 0.1 ppm 5.0 ppm 1.5 ppm
300 ppm 100 ppm 30 ppm 15 ppm
sensor: The output from the O
2
sensor changes <±0.4%Vol. However, the oxygen sensor shows transient behavior when subjected to a rapid change in
2
Lower
Selectable Response
Explosive Zero Default
Cal Gas Time T50
Limit Deviation Cal Point
Range (sec)
(% Vol)
20.9 %Vol
n/a n/a 20.9 %Vol T20 <10
(fixed)
30 to 70%
n/a -2.5 ppm 10 ppm <20
of the
selected full
scale range
na/ -25 ppm 100 ppm <15
sensor has pressure effects of <0.1% change of output per % change in pressure. When the barometric
2
142
Operating Temperature Operating Humidity EC Sensor
Response
Time T90 Accuracy
(sec)
Min Max
<30 <+/-0.5 %Vol -30°C / -34°F 55°C /131°F
2 ppm or 10% of
<30 reading, whichever -40°C / -40°F 55°C / 131°F
is greater
<30 See footnote 1 -40°C / -40°F 55°C / 131°F
Expected
LIfe
Min Max
(months)
15% RH 90% RH 24
15% RH 90% RH 12
15% RH 90% RH TBD