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 |
| 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 |
| Optional Micro-Gasifier | Heated pressure reducing regulator Injection of high pressure LPG or LNG samples |
