HORIBA MEXA-730λ Air-to-fuel Ratio Analyzer

Display range

A/F : 3.99 to 500.0
λ : 0.275 to 30.00
O₂ : 0.00 to 99.99 vol%

Accuracy of A/F

(Guarantee range is from 9.5 to 200 A/F)
(Model gas at room temperature, atmospheric pressure is used):
With 3-point calibration at 9.5 A/F, stoichiometric point and 60.0 A/F
9.50 A/F to stoichiometric point: within ±0.3 A/F
at stoichiometric point: within ±0.1 A/F
stoichiometric point to 20.00 A/F: within ±0.3 A/F
20.01 to 30.00 A/F: within ±0.7 A/F
30.01 to 40.00 A/F: within ±1.0 A/F
40.01 to 50.00 A/F: within ±1.5 A/F
50.01 to 60.00 A/F: within ±2.0 A/F
60.01 to 80.00 A/F: within ±6.0 A/F
80.01 to 100.0 A/F: within ±9.0 A/F
100.1 to 150.0 A/F: within ±20.0 A/F
150.1 to 200.0 A/F: within ±38.0 A/F

Response time

Typical 80 ms (Max.150 ms)

Digital input-output

RS-232C (standard)

Analog output

0 to 5 V DC (scaling possible)

H/C setting range

0.00 to 9.99 (key selectable)

O/C setting range

0.000 to 6.811 (key selectable)

Calibration gas

Ambient air or standard gas

Acceptable vibration

0 to 294 m/s₂

Power

10-30 V DC, 50 W

Dimensions

130 (W) × 170 (D) × 75 (H) mm