The Stratum Purge and Trap Concentrator (PTC) is a sample preparation instrument used to remove Volatile Organic Compounds (VOCs) out of aqueous and solid sample types using Helium or Nitrogen. The VOCs are deposited onto a sorbent trap which is then heated thus releasing the VOCs into a Gas Chromatograph (GC) system. This technique is standard for many EPA Methodologies as well as analytical options where concentration of VOCs is required. Teledyne Tekmar has been the leader in this technology since its first PTC was released in the 1980s. Tekmar has continued to improve on this technique through eight generations of systems including the Stratum PTC to meet the ever increasing analytical challenges faced by laboratories.

Stratum Specifications

Automation

Cycle Time:	The cycle time for the unit is 17 minutes when using an 11-minute purge time. This time also includes desorb, bake, and cool down for the Stratum PTC only and assumes ambient lab temperature. (20-22 °C).
Trap Furnace:	Ambient to 350 °C cools from 250 °C to 40 °C in 90 seconds or less at ambient lab temperatures (20-22 °C).
6-port switching valve	Ambient to 300 °C actuated at 24 Volts (D.C.).
External Transfer Line	Ambient to 300 °C.
Sample Mount	Ambient to 100 °C.
Condenser	Ambient to 250 °C.
Sample Heater (optional)	Ambient to 90 °C.
Sample Pathway	All tubing has an Inertium coating and related fittings are SilcoNert 2000.
Gas Requirements	99.999% Helium or Nitrogen
Electronic Mass Flow Controller	Device is capable of controlling flow rates between 5 mL/min to 500 mL/min. Each mode is independently controlled. Device also capable of recording pressures for sample logging and automatic leak checking.
Unit Dimensions	Height: 19.75 inches (50.17 cm) Width: 8 inches (20.32 cm) Depth 18.5 inches (46.99 cm)
Operating System	PC using Windows® XP or greater
Software	VOC TekLink interfaced via an RS-232 connection.
Operating Conditions	The system is capable of operating in Lab Temperatures between 10-30 °C and humidity levels between 10-90%.
Corrosion	The front cover is corrosion resistant to waters within a pH range of 1-10.
Voltages	100/115VAC 50/60Hz 10 amps, 1150 watts 220/240VAC 50/60Hz, 5 amps, 1150 watts
Weight	32 lbs (14.5 cm)

System Control

Instrument Control:	VOC TekLink™ software in a Windows® XP or greater environment. Via RS-232 or USB converter (optional).
Method Scheduling:	All method types can be run from any position in the sample sequence. Up to three standards can be added to any user-specified position. Multiple runs can be made from the same vial (not recommended).
System History:	The system records a complete history of all sample, schedule and method information.
21 CFR Part 11 Compliance Tools:	VOC TekLink™ can be configured to allow for full 21 CFR Part 11 compliance tools to be available to the end user.

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Quality

Our refurbished instruments are tested and repaired to meet factory specifications. We follow Installation Qualification, Operational Qualification, and Performance Qualification protocols (IQ, PQ and OQ).

Expertise

Our team of skilled technicians are experts at fixing analytical instruments. We have been working with Agilent, Waters, Perkin Elmer, Sciex, Shimadzu, and Thermo instruments for many years. We are constantly updating our knowledge with the latest technology and information to enable us to deliver the best support in the industry. We provide value added support and qualification/validation with all our instruments. We endeavor to develop strategic partnerships with our clients so that they consider our team as an extension of their employees. We are an affordable alternative to many normally expensive business projects.

Warranty and Support

We offer warranty on all refurbished instruments. Warranty starts at 3 months, with the option to extend the period. While your instrument is on warranty, we will provide Email (support@spectralabsci.com) and phone support and troubleshooting if you require assistance. If there is ever anything wrong with the equipment, we will replace it. Warranty begins from the date your equipment is successfully delivered. Any issues that occur during warranty should be reported immediately, describing the issues in as much detail as possible. Do not attempt to repair the equipment or involve a 3rd party without our express permission – this will result in voiding our warranty.

We will match our warranty duration with our competitors.

Installation and Training

If you purchase equipment from Spectralab Scientific, we offer installation and familiarization by our service technicians for an additional fee. If the instrument is particularly complicated, we highly recommend this service. If you’ve purchased less-complex equipment from us that you would like to install yourself, we can provide Team Viewer, email, or telephone support for no additional cost.

Large Inventory

We have a large inventory of equipment, components and parts in stock. You can find all the equipment you need for you lab in our store, as well as mix and match components for your systems.

International Shipping

We have sufficient export experience, including professional packing and proper documentation. Complementary shipping and handling can be applied upon immediate purchase. We include customs fees, brokerage, and duties for shipping to the US.

Price Matching & Discounts

Purchasing our refurbished instruments can save you anywhere from 30% to 90% compared to purchasing brand new. We will try to match or beat any price from our competitors, so feel free to inquire! Complementary shipping and handling can be applied upon immediate purchase.