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The ESC Single and Dual VOST (Volatile Organic Sampling Train) Samplers are used in conjunction with the UNI-VOS-110 Low Flow Control Console to perform SW-846 Methods 0030 and 0031. Volatile organic compounds in the sample stream are passed through a Pyrex coil condenser followed by cartridges packed with Tenax, Tenax/charcoal or Anasorb adsorbent material. The cartridges are thermally desorbed prior to analysis of the volatile organics by gas chromatography/mass spectroscopy.

V-S1

SINGLE VOST SAMPLING SYSTEM

Includes: Sample Caddy, 3' VOST Probe, 2 Spare Pyrex Liners, Single VOST Glassware Set, 25' Umbilical, Coolant Recirculating Pump, Insulated Cold Box (Coolant Reservoir).

V-S2

DUAL VOST SAMPLING SYSTEM

Includes: Same Components As Above Except Dual VOST Glassware Set

UNI-VOS-110 Low Flow Control Console. The UNI-VOS-110 is the ideal Metering Control Console for accurate volume measurements in low flow gas sampling methods requiring sample rates from 0.5 to 2 liters per minute. The flow rate adjustments, gauges and temperature readouts on the console and the 0.01 Liter resolution of the dry gas meter allow the tester to maintain a constant and accurate flow rate while monitoring gas meter pressure and temperature and five remote temperatures. Two digital temperature controllers are provided for maintaining probe and filter heat.

NOTE: Alternatively the C-5000 Isokinetic Control Console can be used with an appropriately sized CO-FA style Orifice Flow Adapter.

UNI-VOS-110-2

UNI-VOS Leak-Check Pump Option with Valve & Fittings (Dual VOST Sampling)

CO-QC4-B-SET

Low Flow Calibration Orifice Set, 3 Brass Orifices, 1/4" QC Stems, 0.5-1.0-2.0 LPM

CO-QC4-SS-SET

Low Flow Calibration Orifice Set, 3 SS Orifices, 1/4" QC Stems, 0.5-1.0-2.0 LPM

V-SC

Dual VOST Sample Caddy, Probe Support, 4-Way Valve, Leak Check Vacuum Gage

PRA-P3-V

3' Heated Probe Assembly with Pyrex Liner

PRL-P3-V

8mm Pyrex Liner with 5/8" Cup

PRM-3S

3' Miniature Probe Liner Heating Mantle

UC-25U

Umbilical w/ Connector Box, 25', Two Sample Lines, 4 TC Lines, 3 Power Circuits

M23-RC

Coolant Recirculating Pump

VOST GLASSWARE, CAPS & UNIONS

GS-V1

Single VOST Glassware Set

GS-V2

Dual VOST Glassware Set

GP-801

Twin Valve, Teflon Plungers, VOST

GP-802-GL

Coil Condenser for VOST, #18 GL Thread, Glassware Only

GP-803-GL

Charcoal Trap for VOST, #18 GL Thread, Glassware Only

GP-804-GL

125ml Filter Flask for VOST, #18 GL Thread, Glassware Only

GP-805

Drying Tube for VOST, #22 SVL, Glassware Only

GP-806

Adsorption Cartridge for VOST

GP-807

Y Inlet Adapter for Dual VOST, 8mm

GP-810

S Inlet Adapter for Sinlge VOST, 8mm

GP-326-GL18

#18 GL Cap, Bored (Red)

GP-327-GL18-4

Seal Ring, Teflon, GL18, 1/4" ID

GP-327-GL18-5

Seal Ring, Teflon, GL18, 5/16" (8mm) ID

GP-328-GL25

#25 GL Cap, Solid (Red), Teflon Seal

PFA-SU8M

8mm (5/16") PFA Teflon Union

PFA-SU4

1/4" PFA Teflon Union

PFA-RU4-2

1/4" - 1/8" PFA Teflon Reducing Union