Cosa 9610™ w – COSA Xentaur COSA 9610 User Manual
Page 11
INSTALLATION, OPERATION AND MAINTENANCE MANUAL – COSA 9610™
Page 11 of 44
1.5.
S
PECIFICATIONS
COSA 9610™ W
OBBE
I
NDEX
A
NALYZER
1.5.1.
Analyzer performance
Make
Cosa Instrument Corporation
Service
Natural gas, fuel-gas, biogas, etc.
Ranges
Wobbe index 0-3000 BTU/scf (0-95 MJ/Nm
3)
, span
0-1150 BTU/scf (40 MJ/Nm
3)
(selectable
CARI 0-20, span 0-10)
Accuracy
± 0.4% of measuring value natural gas
Repeatability
±0.7 BTU/scf (±0.03 MJ/Nm
3
)
Drift
±0.4 BTU/scf (±0.01 MJ/Nm
3
), 24 hours
Response time
T90<5 seconds†
2 isolated 4-20 mA outputs, 4 outputs total optional
Span and service selectable
Display & Optional Digital Output
Output
8 User-programmable contact relays
Safety
General area or Explosion proof
†
Wobbe w/o density cell or with streaming S.G. option
1.5.2.
Utilities
Power supply
110 VAC, 50/60 Hz or 230 VAC/50 Hz
Power consumption
430 VA maximum
Instrument air
0.353 SCF/min (analyzer) at 3 barG (43psig)
0.706 SCF/min (purge system) at 5.5 barG (80psig)
Sample
0.035 SCF/min at 2 barG (29psig)
1.5.3.
Installation
Mounting
Freestanding Frame.
Dimensions
39 x 39 x 16 inches (1000 x 1000 x 400 mm)
Weight
± 330 lbs (150 kg)
Ambient temperature
40-113º F (+5 to 45 °C)
Allow ambient temperature variation: ±45ºF (7 °C)
per 24 hours
Humidity
0-90%