Technical specs
| General | |
| Applications | Natural Gas, Green Gas |
| Measuring principle | Flameless combustion with residual oxygen measurement |
| Location | Indoors, safe area |
| Models | Portable, stationary |
| Calibration | Automatic on 100% methane |
| Performance | |
| Wobbe index | 40 – 60MJ/Nm3 / 1073.6 – 1610.4 BTU/scf * |
| Accuracy | ± 0.5 MJ/Nm3 / 13.4 BTU/scf |
| Repeatability | ± 0.2 MJ/Nm3 / 5.4 BTU/scf |
| Response time | 10 – 20 < seconds (typical) |
| CARI (Combustion Air | |
| Requirement Index) | Max. span 15 in 0 – 25 range |
| Accuracy | < ±1% of full scale |
| Total sulfur | < 30 mg / Nm3 * |
| Interface | |
| Display | Local color touchscreen |
| Analog outputs | 2x 4–20mA active or passive, maximum load ≤ 600 Ω |
| Digital outputs | 2x relay SPST for “in alarm” and “in calibration” Service port via Ethernet TCP/IP, measured values MODBUS RS485 link, or Modbus over Ethernet. |
| Digital inputs | for “start calibration” and “start validation” |
| Utilities | |
| Power supply | 115/230 VAC, 50/60 Hz or 24 VDC (optional battery pack incl. – portable version) |
| Power consumption | 50W max. for portable and 400W max. for stationary version |
| Instrument air | Not required (internal air pump included) |
| Sample flow | < 0.1 Nl/min < 0.2 scf/h (filtered) |
| Sample pressure | 0 – 0.1 barG standard / 0 – 8 barG with pressure reduction |
| 0 – 1.5 psi / 0 – 116 psi | |
| Installation | |
| Installation | Wall mounting (stationary version) |
| Dimensions (HxWxD) | 500 x 400 x 250mm (depending on configuration) |
| Weight | ≤ 15kg / 33 lbs |
| Enclosure | Epoxy-coated stainless steel |
| Ambient temperature range | 5 – 45°C / 41 – 113°F |
| Order Codes | |
| ST | Stationary version (wall mounted) |
| P | Portable version |
| V | Vertical mounting (ST version) |
| CC | Carrying case |
| 115 | Power supply 115 VAC, 50/60 Hz |
| 130 | Power supply 230 VAC, 50/60 Hz |
| 24 | Power supply 24 VDC |
| BP | Battery Pack (P version) |
| SG | Specific Gravity Cell |