TVOC 2 MANUAL
Ion Science Ltd
Page 23 of 32
Unrivalled Gas Detect
ion.
ionscience.com
viii.
Re-assemble the sensor lamp, stack and cell as described below, and reinstall sensor in the instrument.
ix.
Bump test the sensor. If the responsivity has recovered, then recalibrate the instrument. If not, replace the lamp.
Caution:
The lamp cleaning kit
contains alumina (CAS Number 1344-28-1) as a very fine powder. Cleaning should be
undertaken in a well-ventilated area. A full material safety data sheet MSDS is available on request from Ion Science
Ltd. Key safety issues are identified below:
NOTE:
Contamination of the
PID
Lamp
window
can considerably reduce the
detection capability of the
PID cell
,
even when the contamination is not
visible.
Cleaning of the lamp should be carried out on a regular
basis depending on the duty cycle of the
PID lamp
and the environment.
The humidity of the air and contaminants may affect the
time required between servicing.
Hazard identification:
• May cause irritation of respiratory tract
and eyes
Storage:
• Keep container closed to prevent
water
adsorption and
contamination.
Diagram 20
Alumina powder
Cotton bud / Alumina
powder
Hazard identification:
• May cause irritation of respiratory tract
and eyes
Storage:
• Keep container closed to prevent
water
adsorption and
contamination.
Handling:
• Do not breathe in the powder. Avoid contact with skin,
eyes and clothing
• Wear suitable protective clothing
• Follow industrial hygiene practices: Wash face and
hands thoroughly with soap and water after use and
before eating, drinking, smoking or applying cosmetics.
• The powder carries a TVL(TWA) limit of 10 mg/m
3