DPS Instruments Europe GmbH

DPSModel Micro-TCD -Gas Chromatography System

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The DPS Micro-TCD Gas Chromatography System is a compact and versatile apparatus designed to efficiently perform analytical chemistry tasks with its advanced thermal conductivity detectors. The system houses 1 to 4 channels, each with its independent GC oven, analytical column, pre-column, and dual micro-machined TCD detectors. This allows for flexibility in complex analyses that can be executed rapidly. The system features integrated components such as injection and backflush valves for automation, a built-in stream selector, and on-board chromatography software. Designed for continual operation, it supports fast analysis timeframes and minimal maintenance. Communication capabilities include RS232, RS485, and Ethernet with Modbus and TCP protocols, enhanced by a memory storage capacity of up to 256Gb. Its small, robust design is suitable for online, at-line, or laboratory environments, providing essential temperature and pressure control with precision down to 0.001 degrees or kPa. Suitable carriers include helium, argon, nitrogen, or hydrogen.

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  • Rugged Micro-TCD Gas Chromatograph

  • 1 to 4 GC Column Oven/Micro-TCD Channels

  • 2 Micro-machined Thermal Conductivity Detectors (TCD) per Channel

  • Designed for Unattended Continuous Operation

  • Most analyses in less than 1 min

  • Integrated 3-Stream Selector

  • Automated Calibrations

  • Fast & Accurate with Low Maintenance

  • Free standing operation with on-board GC Methods

  • Built-in Instrument Diagnostics

  • Easy Chromatography Data System

  • Temperature Control to 0.001°C

  • Pressure Control to 0.001 kPa

  • Ultra Compact and Lightweight (20 X 15 X 10 cm)

  • Approximately 8 kg

Micro GC Channels:
  • 1 – 4 Micro GC Channels in an Exchangeable Cartridge
  • Each GC Channel contains GC Oven, Analytical Column,
    Pre-Column, 2 Micro-TCD Detectors, Electronic & Gas
    Connectors.
Software/GC Control Interface:
  • 1 – 4 Micro GC Channels in an Exchangeable Cartridge
  • Enter and store GC Methods via Computer connection
  •  GC Methods run without Computer connection
  • Safety Limits on all user entered parameters
  • Communications: RS232, RS485, Ethernet, Digital I/O
  • Protocols: Modbus, TCP
  • Sequencing for Sampling, Injection, Backflush, etc.
  • Memory Storage – up to 256Gb
  • Control for Carrier Gas(s)
  • Control for Valves (Injection, Backflush, Sample)
  • Schedule Auto-calibration
  • Control for Stream Selection
  • Digital Signal Outputs for each Detector
  • Universal voltage input (85 – 240 Vac, 50-60Hz)
  • Power Supply – (20 – 28 Vdc)
  • Power Consumption – 75 Watts maximum
Control Module:
  • Moisture – (5 to 95 %)
  • Operating Temperature – (5 to 55 oC)
  • Storage Temperature – (-20 to 60 oC)
  • Dimensions – 20 X 15 X 10 cm
  • Weight – 8 Kg
 
Detectors:
  • 1 – 4 Micro-TCD Detectors Installed
  • 2 Micro-TCD´s per Channel (8 total)
  • Detection Limits (500ppb – 100%)
  • 150 oC Temperature Limit with 0.1 oC set-point resolution
 
Injectors:
  • 1 Micro-machined Injector per Channel
  • Sequence Controlled Injection Time
Columns:
  • 1 Pre-Column with Backflush per Channel
  • 1 Analytical Column
  • Isothermal Operation
  • Repeatability – < 0.05% RSD
  • Cycle Time (Typical) – 15 – 60 sec
  • Optional Temperature Program
Gas/Sampling:
  • Gas Ports – 1/16″
  • Carrier – Helium, Argon, Nitrogen, or Hydrogen
  • Carrier Input Pressure – 450 kPa
  • Carrier Consumption (Typical) – 15 mls/min
  • Sampling – Pressurized or by internal Vacuum Pump
  • 3 Sample Streams (more optional)