Available channels:
| Column | Size |
| CHA, 19CB HI, Facl | 6M |
| M5A | 10M |
| BF CHA MS5A HI, Facl | 10M |
| BF CHA MS5A HI, Facl | 10M |
| BF CHA MS5A HI, Facl | 10M |
| CHA 19CB HI, Facl | 6M |
| BF CHA MS5A HI, Facl | 10M |
| CHA 19CB HI, Facl | 6M |
| BF CHA MS5A HI, Facl | 20M |
| BF CP-SIL 5CB, Heated | 1M + 15M |
| 52CB | 4M |
| 5CB | 6M |
| MS5A, RTS | 1M + 20M |
| PPQ | 1M+10M |
| MS5A, BF, RTS | 1M+10M |
| MS5A, BF, RTS | 1M+10M |
Varian, Inc.’s CP-4900 is a rugged, compact, lab-quality analyzer that always delivers the information you need – at any site. When the composition of gas mixtures is critical, this 4th generation micro-Gas Chromatograph generates more data in less time for faster, better business decisions.
The CP-4900 offers advanced micro-machining and computing technologies and one to four plug-and-play GC channels. Each channel is a separate GC with pneumatics, injector, column, and detector. Low power consumption lets you take your GC to the sample source.
Fast, Reliable Answers
Precise, cost efficient gas chromatography analysis in seconds
- Natural gas
- Refining
- Specialty gases
- Fuel cells
- Oil and gas exploration
- Any area where precise gas analysis saves money and adds value!
Ready to use immediately
- The CP-4900 arrives configured for your analysis
- Modular design for fast maintenance
- Flash memory for quick software upgrades via the internet
- Reconfigure for new applications in five minutes with user-installed plug-and-play GC channels
Take the CP-4900 with you
- Weighing from 5.2 kg and just 15 cm wide, the CP-4900 is easy to move
- Optional Field Case with gases and battery power for remote locations
- Start analyses within 15 minutes of power-up
- Laptop PC control of all instrument parameters and data handling
Local or remote control of operation and data reduction
- Choose either Varian’s Star Chromatography Workstation or CP-Maître Elite for error-free operation
- Standard or custom reports with minimal operator intervention
- Monitor results to set limits, activate alarms, or switch valves
- Standard 4-20 mA signal readout for process control
- Communicate with the CP-4900 from a process control computer via industry-standard RS232, RS485, or Ethernet protocol
Specifications
CP-4900 GC Specifications
Configuration: one to four plugand-play GC channels
Control: independent control for each channel with its separate pneumatics, injector, column, and detector
Injector
Micro-machined injector with no moving parts
Injection volume: 1 µL to 10 µL, software selectable
Optional heated injector: 30 °C to 110 °C, including heated transfer line
Column Oven
Temperature range: 30 °C to 180 °C, isothermal
Optional backflush capability
Detector
Micro-machined Thermal Conductivity Detector (TCD)
Dual-channel (sample and reference)
Internal volume: 200 nL per channel
Filaments: 4
Detection Limits
WCOT columns: 1 ppm
Micro-packed columns: 10 ppm
Operating Range
Concentration: 1 ppm to 100% level
Linear dynamic range: 106
Repeatability: < 0.5% RSD for propane at 1 mol % level for WCOT columns at constant temperature and pressure
Carrier Gas
He, H2, N2 or Ar: 550 ± 10 kPa (80 ± 1.5 psig) input
Inlet connection: 3.2 mm (1/8 in.) stainless steel compression fitting (Swagelok)
Sampling
Sample inlet: 1.6 mm (1/16 in.) stainless steel Valco® fitting with replaceable 5 µm stainless steel filter
Sample conditions: noncondensing gas of 0 °C to 40 °C
Maximum sample input pressure: 200 kPa (29 psig)
Optional separate sample inlet in front or back
Environmental Requirements
Humidity (relative): 0% to 95% non-condensing
Temperature: 0 °C to 50 °C
Dimensions and Weight
Two-channel system: 28 cm (h) x 15 cm (w) x 30 cm (d)
Four-channel system: 28 cm (h) x 15 cm (w) x 55 cm (d)
Weight: minimum of 5.2 kg
Power Requirements
Main power: 90-130 Vac or 180-260 Vac, 50-60 Hz
Output: 12 Vdc, maximum 180W
Communication
Analog input: 6 signals
External port: RS-232
Optional: Ethernet TCP/IP with static IP address
Optional: Com Port for external devices, selectable RS-232 or RS-485
Control/Data Handling Software
Standard packages: Star Chromatography Workstation or CP Maître-Elite
Regulatory compliance and reports: meet requirements, particularly for the natural gas and petrochemical industries
Special packages: ISOCAL and BTU for natural gas properties, such as
calorific value and relative density, meet ISO 6976, GPA 2171, and ASTM D 3588 standards Optional Field Case
Gas containers: one or two 300 mL gas containers with maximum pressure of 12,000 kPa (1740 psig)
Rechargeable battery packs: two
Two-channel system: 37 cm (h) x 29 cm (w) x 41 cm (d)
Four-channel system: 37 cm (h) x 29 cm (w) x 72 cm (d)
Weight with CP-4900: minimum of 16 kg
Optional Micro-Gasifier
Heated pressure reducing regulator
Injection of high pressure LPG or LNG samples
