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  • Brochure HIGAS

Technical specs

General
ApplicationsNatural Gas, Green Gas
Measuring principleFlameless combustion with residual oxygen measurement
LocationIndoors, safe area
ModelsPortable, stationary
CalibrationAutomatic on 100% methane
Performance
Wobbe index40 – 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 time10 – 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
DisplayLocal color touchscreen
Analog outputs2x 4–20mA active or passive, maximum load ≤ 600 Ω
Digital outputs2x relay SPST for “in alarm” and “in calibration” Service port via Ethernet TCP/IP, measured values MODBUS RS485 link, or Modbus over Ethernet.
Digital inputsfor “start calibration” and “start validation”
Utilities
Power supply115/230 VAC, 50/60 Hz or 24 VDC (optional battery pack incl. – portable version)
Power consumption50W max. for portable and 400W max. for stationary version
Instrument airNot required (internal air pump included)
Sample flow< 0.1 Nl/min < 0.2 scf/h (filtered)
Sample pressure0 – 0.1 barG standard / 0 – 8 barG with pressure reduction
0 – 1.5 psi / 0 – 116 psi
Installation
InstallationWall mounting (stationary version)
Dimensions (HxWxD)500 x 400 x 250mm (depending on configuration)
Weight≤ 15kg / 33 lbs
EnclosureEpoxy-coated stainless steel
Ambient temperature range5 – 45°C / 41 – 113°F
Order Codes
STStationary version (wall mounted)
PPortable version
VVertical mounting (ST version)
CCCarrying case
115Power supply 115 VAC, 50/60 Hz
130Power supply 230 VAC, 50/60 Hz
24Power supply 24 VDC
BPBattery Pack (P version)
SGSpecific Gravity Cell