XNX UNIVERSAL XNX Universal Transmitter Technical Manual

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XNX Universal Transmitter

Section 6 - Specications

131

6.2.2 EC Sensor Performance Data, Factory Mutual Veried (see Section 6.3)

Gas Cartridge P/N

Selectable Full

Scale Range (Dis-

play and 4-20mA

Full Scale)

Default

Range

Incre-

ments

Lower

Alarm

Limit

Lower

Detection

Limit

Lower

Explosive

Limit

(% Vol)

Zero

Deviation

Selectable

Cal Gas

Range

Default

Cal Point

Response

Time (T50)

sec

Response

Time (T90)

sec

Accuracy

Operating Temperature Operating Humidity

Min Max Min Max

Oxygen XNXXSO1FM n/a 23.0% Vol n/a 5.0%Vol 5% Vol n/a n/a

20.9 %Vol

(fixed)

20.9 %Vol T20 <10 <30 <+/-0.5 %Vol -30°C / -34°F 55°C /131°F 15% RH 90% RH

S Hydrogen Sulfide XNXXSH1FM 10.0 to 50.0 ppm 15.0 ppm 0.1 ppm 5.0 ppm 1.5 ppm n/a -2.5 ppm

30 to 70%

of the

selected full

scale range

10 ppm <20 <30

2 ppm or 10% of

reading, whichever is

greater

-40°C / -40°F 55°C / 131°F 15% RH 90% RH

CO Carbon Monoxide XNXXSC1FM

100 to 1000 ppm 300 ppm 100 ppm 30 ppm 15 ppm na/ -25 ppm 100 ppm <15 <30 See footnote 1 -40°C / -40°F 55°C / 131°F 15% RH 90% RH

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gures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

sensor: The output from the O

sensor has pressure effects of <0.1% change of output per % change in pressure. When the barometric

pressure changes by ±20% the output from the O

sensorchanges<±0.4%Vol.However,theoxygensensorshowstransientbehaviorwhensubjectedtoarapidchangein

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XNX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.

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XNX Universal Transmitter Technical Manual - Page 133