Type : A550
Produk : Wohler - Jerman
Fungsi : Untuk mengukur Gas O2, CO, NO/ NOx. SO2, NO2
Technical data

A. Oxygen concentration ( O2) in flue gas
• Range : 0.0 – 21.0 vol. %
• Accuracy : ± 0.3 Vol. %

B. Carbon monoxide ( CO 4, 000 ppm) in flue gas ( Wohler A 550)
• Range : 0 – 4, 000 vol. ppm; resolution 1 vol. ppm
• Accuracy : 20 ppm ( < 400 ppm) , otherwise 5 % of reading

C. Carbon monoxide ( CO) in flue gas ( Wohler A 550 L)
• Range : 0 – 35, 000 vol. ppm; resolution 1 vol. ppm
• Accuracy : ± 100 ppm ( < 1, 000 ppm) , otherwise 10 % of reading ( with H2 < 5% of reading)

D. Carbon monoxide ( COhigh) in flue gas ( optional)
• Range : 0 – 100, 000 vol. ppm; resolution 1 vol. ppm
• Accuracy : ± 100 ppm ( < 1, 000 ppm) , otherwise 10 % of reading ( with H2 < 5 % of reading)

E. Nitric oxide concentration ( NO) in flue gas ( optional)
• Range : 0 – 3, 000 vol. ppm ( continuously up to 1, 000) ;
• Resolution : 1 vol. ppm
• Accuracy : ± 5 Vol.-ppm ( < 100 ppm) , otherwise 5 % of reading

F. Nitrogen dioxide concentration ( NO2) in flue gas ( optional)
• Range : 0 – 1000 vol. ppm ( continuously up to 200) ; resolution 1 vol. ppm
• Accuracy : ± 5 vol. ppm ( < 100 ppm) , otherwise 5 % of reading

G. Sulfur dioxide ( SO2) in flue gas ( optional)
• Range : 0 – 5, 000 vol. ppm; resolution 1 vol. ppm
• Accuracy : ± 10 vol. ppm ( 0...200 ppm) , otherwise 5 % of reading

H. Chimney draft / differential pressure ( PD) with 4 Pa test ( Wohler A 550)
• Range : 0.00 to ± 44.16 inWC; resolution 0.004 inWC ( < 4.01 inWC) , otherwise 0.004 inWC, with ventilation loss measurement 0.004 inWC
Accuracy : 0.0012 inWC ( < 0.04 inWC) , otherwise 3 % of reading
Drift < 0.00081 inWC in 5 minutes
Chimney draft / differential pressure ( PD) ( Wohler A 550 L)
Display : inWC

I. Measurement principle : Semi-conductor diaphragm
• Range : 0.00 to ± 44.16 inWC; resolution 0.004 inWC
• Accuracy : 0.008 inWC ( < 0.16 inWC) , otherwise 5 % of reading
Flue gas temperature ( TS)
• Display : ° F

J. Measurement principle : Thermocouple ( NiCr-Ni) ( NiCr-Ni)
• Range : -4 ° F to 1, 472 ° F; resolution 32.18 ° F
• Accuracy : 32 – 271.4 ° F: ± 35.6 ° F , 271.4 – 1, 472 ° F: ± 1.5 % of reading Combustion air temperature ( TA)
• Display : ° F

K. Measurement principle : Thermocouple ( NiCr-Ni)
• Range : -4 ° F to 212 ° F; resolution 32.2 ° F
• Accuracy : ± 33.8 ° F

L. Wood moisture
• Range : 10.0 – 40.0 % ; resolution 0.1 %
• Accuracy : ± 40 % of reading tested to VDI 4206 Part 4

• Power supply : Lithium-Ion, rechargeable battery 3.7 V, 5800 mAh, charges via USB
• Battery operating time : Approx. 12 h ( depends on operating status and display illumination)
• Storage temperature : -4 ° F to + 122 ° F
• Operating temperature : + 41 – 104 ° F to maintain stated accuracy
• Weight : 2.75 lbs
• Dimensions : 8.7 " x 6.3 " x 2.2 " ( without probe)
• Length of cable-hose : 67 "