User`s guide

Introduction

• Do not move or detach the regulator when it is pressurized

or when it is in use.

• Before connection, ensure the cylinder valve and the

regulator CGA connection are clean.

You must also direct the exhaust vapors from the GC detector and

split vent ports to a fumehood. Use flexible tubing to vent these ports

to a fumehood or outdoors. The pressure set by the method will

determine the outlet flow rates at these ports.

Extreme Temperatures

High Temperatures—The heated zones (tube, valve, trap, and

transfer tube) of the ATD/TD can generate high temperatures up to

300ºC. Do not touch any part of the tube handling mechanism until

the “remove tube” status has been displayed. Tubes are cooled

slightly after primary desorption but may still be hot to the touch.

If you are using the TD you may need to use protective gloves to

remove the tube from the instrument. If you are using an ATD, the

tube will be returned to the carousel. Do not touch the tube until it is

cool to the touch.

Do not touch the heater blocks while the instrument is powered up.

These areas are hot at all times to reduce or eliminate possible

contamination. Serious burns may result from contact with heated

surfaces.

Low Temperatures—Liquid nitrogen is used as a cooling medium

in conjunction with the LN2 Accessory.

Make sure the following safety measures are observed when dealing

with liquefied gases:

• Do not touch the liquefied gases.

• Always wear protective clothing (gloves, face mask, safety

glasses) when handling liquefied gas.

WARNIN

It is not an easy task to remove the tube from the instrument

while wearing protective gloves.