WDG IVC0 pages

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THERMOX
THERMOX

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PROCESS INSTRUMENTS

WDG-IVC

flue gas oxygen & combustibles analyzer

Close-coupled extractive design for fast response in a wide range of flue gas
applications up to 3000°F (1648°C). Completely field serviceable.
SENSOR
Principle of Operation: Zirconium oxide
for net oxygen measurement and dual
hot-wire catalytic detectors for combustibles.
Output Range:
Oxygen: From 0-1 to 0-100%
Combustibles: From 0-2,000 PPM to
0-10,000 PPM or from 0-1% to 0-5%
Accuracy:
Oxygen: ±0.75% of measured value or
±0.05%, whichever is greater
Combustibles: ±2% of full scale output
range
Response - Oxygen: 90% of a step
change < 13 seconds

Drift: < 0.1% of cell output per month (< 0.005% O2 per month with 2%
O2 applied)
Aspirator Air Requirements: 10 to 20 scfh (4.72 to 9.4 L/min.) at 15 to
100 psig (1.05 to 7.04 kg/cm2)
Max. Flue Gas Temp. / Probe Type / Lengths:
1300°F (704°C) / 316 SS / 36” - 108”(91 cm - 274 cm)
1875°F (1024°C) / 310 SS / 36” - 108”(91 cm - 274 cm)
3000°F (1648°C) / Hexoloy® / 24” - 72” (60 cm - 182 cm)

Max. Sample Dewpoint: 392°F (200°C)
Sample Pressure: ±10 in. water gauge
Environment:
Ambient Temp.: -5°F to 160°F (-20°C to 71°C); -5°F to 140°F
(-20°C to 60°C) with Div. 2 Option
Relative Humidity: 10% to 90%, non-condensing
Enclosure: Lift-off NEMA 3R, weather resistant, stainless
steel. Optional hinged NEMA 4X (IP65), explosion-proof,
purged, and floor mount versions available.
Power Requirements: 115 VAC, ±10%, 47-63 Hz, 600 VA
max. (650 VA max. w/floor mount option); 230 VAC, ±10%,
47-63 Hz, 1850 VA max. (1900 VA max. w/floor mount option)
Calibration Gas Requirements: Use calibration gases @
10 psig, 1.5 scfh (0.70 kg/cm2, 0.7 L/min.)
O2 Span Gas: Air or from 1.0% to 100% O2, balance N2
O2, and Comb. Zero Gases: From 0.1 to 10% O2, balance N2
Comb. Span Gas: 60 to 80% (PPM ranges) or 40% to 60%
(% ranges) of the selected comb. recorder output range in
certified equal mixtures of CO + H2, 3-4% O2, balance N2

SERIES 2000 CONTROL UNIT
Display: Four line x 20-character vacuum
fluorescent. Displays combinations of
oxygen, PPM or % combustibles, time
and date, cell temperature, user programmable text, thermocouple mV or cell mV.
Password protection, programmable
pressure compensation and contextsensitive help are also provided.
Analog Output: Two isolated linear
current outputs for O2 and one for combustibles. Select O2, combustibles, cell temperature, thermocouple mV
or cell mV. Each output can be 4-20 mA, 0-20 mA, 20-4 mA or 20-0 mA
and is fully scalable. Hold or track during calibration and select degree
of damping. Max. load 1200 ohms.
Alarms: Two independent oxygen alarms, each high or low selectable.
One alarm can be assigned as oxygen, calibrate or verify. Two high
combustibles. Set relays to energize or deenergize on alarm.
Contact Rating: 0.5 A, 30V, 10VA max. noninductive load, AC or DC
Diagnostics: Watchdog timer and service alarms. System test for A/D,
RAM, EEPROM and keypad. Display line 4 reserved for full text error
and diagnostic messages. Twenty entry event log.

Calibration: Oxygen cell lifetime extender. Calibrate or
verify calibration. Store last calibration and verification data.
Selectable calibration gas run time and process recovery
time. Timed automatic calibration with optional Remote
Calibration Unit.
Communications: RS-485 2-way addressable
Environment:
Ambient Temp.: 14° to 122°F (-10° to 50°C)
Relative Humidity: 10% to 80%, non-condensing
Power Requirements: Nominal 115-230 VAC ±10%,
47-63 Hz, 75 VA max.
Enclosure: Standard weatherproof NEMA 4 (IP65) wall/
panel mount. Optional GP (General Purpose) wall mount,
GP 19” rack mount, GP panel mount, or stainless steel
weatherproof NEMA 4X (IP65) wall/panel mount. All are
UL Listed for NEC Class I, Division 2 areas. Purged and
explosion-proof versions also available.
System Compliance:
EMC Directive 2004/108/EC
Low Voltage Directive 73/23/EEC

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