Ametek Thermox WDG-VCM - CHAPTER 1 Specifications; WDG-V Sensor Specifications

Specications | 1-1
SPECIFICATIONS
Sensor : WDG-V
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%
Methane: From 0-1% to 0-5%
Accuracy:
Oxygen: ±0.75% of measured value or ±0.05% O2, whichever is
greater
Combustibles: ±2% of full scale output range
Methane: ±5% of full scale output range
Response - Oxygen:
90% of a step change < 6 secs
- Combustible:
90% of a step change < 20 secs
Drift:
< 0.1% of cell output per month; < 0.005% O2 with 2% O2
applied
Aspirator Air Requirements:
≈ 3 scfh (1.4 L/min) at 80 to 100 psig (5.63 to 7.04 kg/cm
2
)
Max. Flue Gas Temp./Probe Types/
Probe 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 -183 cm)
Max. Sample Dewpoint: 392°F (200°C) standard
Alarms:
Five dry contact alarms. One Service Alarm, One Datavalid
Alarm. Remaining alarms can be set to oxygen, combustibles and
methane.
Contact Rating: 0.5 A, 30V max., non-inductive load, DC or AC 10W max
Diagnostics:
Watchdog timer and service alarm (trouble alarm). Cell
Resistance Measurement. Individual I/O control. Cell/Detector
end-of-life warning
Communications: RS-485, 2-wire, Modbus, HART® Option available.
Analog Output:
Three isolated linear current outputs. Select O2, combustibles,
methane, 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 cal a
Maximum load 1000 ohms.
Sample Pressure: ±10 inch water gauge
Flow Sensor:
Blocked ow sensor for measuring ow in the sample loop. Alarm
set to 45% of nominal ow
Enclosure: Hinged NEMA 4X (IP65), purged version available.
Environment:
Ambient Temp.:
(-25°C to 65°C)
(-20°C to 60°C) with Haz-Loc Certication
Relative Humidity: 10% to 90%, non-condensing
Power Requirements (WDG IVCM/
IQ):
115 VAC, ±10%, 47-63 Hz, 950 VA max.
230 VAC, ±10%, 47-63 Hz, 950 VA max.