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.
Available Columns:- CP-Sil 19CB
- Molsieve 5A (MS5A)
- PoraPLOT U (PPU)
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
CP-4900 GC Specifications | |
Configuration: one to four plug and-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
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 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 |