| Technical Data |
| Oxygen concentration (O2) in flue gas |
| Display |
Volume % referenced to dry flue gas |
| Measurement principle |
Electrochemical sensor |
| Range |
0.0-21.0 vol. % |
| Accuracy |
± 0.3 Vol.-% |
| Carbon monoxide (COV 10,000 ppm) in flue gas |
| Display |
Volume ppm referenced to dry flue gas |
| Measurement principle |
Electrochemical sensor, not H2 compensated |
| Range |
0-10,000 vol. ppm; resolution 1 vol. ppm |
| Accuracy |
±20 ppm (< 400 ppm), otherwise 10% of reading (if H2 < 5% of reading) |
| Nitric oxide concentration (NOV) in flue gas (optional) |
| Display |
Volume ppm referenced to dry flue gas |
| Measurement principle |
Electrochemical Sensor |
| Range |
0-3,000 vol. ppm, resolution 1 vol. ppm |
| Accuracy |
±5 Vol.-ppm (<100 ppm), otherwise 5 % of reading |
| Chimney draught / differential pressure (PD) (article 4520/4502) |
| Display |
Pascal |
| Measurement principle |
Semi-conductor diaphragm |
| Range |
0.00 to ± 110.00 hPa; resolution 1 Pa |
| Accuracy |
2 Pa (< 40 Pa), otherwise 5% of reading |
| Flue gas temperature (TS) |
| Display |
°F |
| Measurement principle |
Thermocouple (NiCr-Ni) |
| Range |
68-1472 °F |
| Accuracy |
0-271.4 °F
271.4-1472 °F: ± 1.5 % of reading |
| Combustion air temperature (TA) |
| Display |
Fahrenheit |
| Measurement principle |
Thermocouple (NiCr-Ni) |
| Range |
68-212 °F |
| Fahrenheit |
±1°F |
| Power supply |
| Wohler A 450 L |
Lithium-Ion, rechargeable battery 3.7 V, 2,250 mAh, charges via USB |
| Battery operating time |
| Wohler A 450 L |
approx. 6 h (depends on operating status and display illumination) |
| Charging time |
| Wohler A 450 L |
approx. 3 h |
| Storage temperature |
-4-122 °F |
| Operating temperature |
41-104 °F |
| Weight |
1.5 lbs. |
| Dimension |
6x4x1.5 inches |
| Length of the probe hose |
5 ft. |