・“Opt-Sonic calculation” is applied by using Optical sensor and Sonic sensor.
・Easy to switch the display among "Calorific value", "Density" and "WOBBE index".
・Fulfilling self-diagnosis function and running cost.
・Body structure that can be installed into all types of location.
|Detection gas||Fuel gas|
|Principle of detection||Opt-Sonic calculation through measurement of refractive index and sound speed|
|Sampling method||Constant-flow-rate gas introduction using external sampling device|
|Explosion protected construction||Flameproof enclosure|
|Explosion-proof class||IECEx : Ex db ⅡB+H2 T4 Gb|
ATEX : Ⅱ2G Ex db ⅡB+H2 T4 Gb
|Power source||100 - 240VAC±10%, 50/60Hz, max. 18VA or 24VDC ±10%, max. 5W (The setting can be changed to either the AC or DC specifications.)|
|Operating temperature range||-20 to +60℃ (no sudden changes)|
|Operating humidity range||0 to 95%RH (no condensation)|