Máy phân tích khí oxy Cosa XFK - Cosa + Xentaur Việt Nam

 

Detector ZFK

Gas measured Oxygen in flue gas

Sensor Zirconia Oxide

Measurement Range 0-2%(v)…..50%(v), in 0.5%(v) increments

Repeatability: ±0.5% of full scale

Linearity: ±1.0% of full scale

Sample gas temperature:

 With Standard Probe (ZFK) -4°F to 1150°F (621°C)

 With High-Temperature Probe (ZFK-ST) -4°F to 2200°F (1204°C)

 With High Temperature Probe (ZTA) -4°F to 2900°F (1593°C)

Sample gas pressure -3 kPA to +3 kPa

Sample filter: Alumina (50µm) and quartz paper

Wetted parts: Zirconia, 316 stainless steel, platinum

Ambient temperature -4 to +140°F for cable section

 <260°F at flange surface when powered up

Calibration gas inlet 316 stainless steel, for 1/4” tube

Reference air inlet (optional) 1/8 NPT, 1/8rc

Enclosure:

 Rating IP55 equivalent

 Color Silver SS metallic

 Dimensions 8.3” x 3.9” (length x diameter)

 Weight 3.5 lbs

 Detector mounting Flange, horizontal plane ±45°,

 ambient clean air surrounding

ZTA (Ejector system)

 Air flow 5 – 10 liters/minute

 Blow down air pressure 30 to 45 PSI

 Exhaust gas processing Returned to flue

 Heater alarm Alarm triggered when temperature

 drops below 212°F

Transmitter ZRM

Indication:

 Oxygen concentration: 3 digit LED

 Mode display: 3 digit LED

 Setup and additional information LCD with 2 lines @ 16 digits

Output Signal 4-20mA 500Ω or 0-1V 100Ω

 isolated, linear span over selected range

 Output signal on hold during calibration and

 maintenance; hold can be released.

Communications RS 485 (optional)

 Output contacts 4 contacts, normally open

 Electrical rating 250VAC, 2A

 Function Under maintenance, under cleaning,

 span gas, zero gas

Selectable alarms: High limit, low limit, high/low limit, fault alarm

Input contacts 2 contacts

 Electrical rating ON at 1Ω or less

 Functions Start automatic calibration, disable calibration

Calibration procedures Manual with key operation, autocalibration

 (standard function) Programmable at intervals from 0 day 0 hours to 90 days 60 hours

Calibration range gas settings

 Zero gas 0.010% to 50.000% O2

 Span gas..................................................................................... 8.000% to 23.000% O2

Features:

 Blowdown function (optional probe) Probe is periodically cleaned by blow-down

 with compressed air. Intervals between and duration of cleanings are programmable.

 (Interval: 00 hour 00 minutes to 99 hours 60 minutes; duration: 00 minutes 00 seconds

 to 9 minutes 60 seconds)

 Optional combustion efficiency display Calculates and displays combustion

 efficiency (requires K or R type thermocouple)

 Rich mode display When detector output voltage exceeds

 200mV (0.0023%(vol) O2), the LCD display indicates fuel rich condition and the LED

 displaying the detector output voltage flickers.

 Self diagnosis Error indication in event of detector

 temperature fault, zero calibration fault, span calibration fault, calibration disable,

 detector output fault.

Ambient temperature 14°F to 122°F (-10, +50C)

Power supply 90 to 220 or 230 VAC, 50/60 Hz

Enclosure

 Material: Steel

 Color: Munsell 2.5Y8.4/1.2

 Rating: IP53 (dust proof, rain proof)

 Dimensions: 8.6” x 7.6” x 3.5”

 Weight: 7.7 lbs

 Mounting: Flush, panel, pipe