Veris Industries 1008 Manual - Manual (Page 8)

8. Maintenance
It is recommended that the instrument be calibrated every 12 months.
Please consult Test Products International for further details (800) 368-5719.
8.1 Battery Replacement
When the batteries become low they will require replacement.
1. Turn the meter over so the back is facing you.
2. Loosen the screw holding down the battery cover located under the tilt
stand.
3. Lift the tilt stand up and remove the battery cover.
4. Replace the batteries (3 x AA Alkaline) and install the cover and tighten the
screw.
8.2 Service
To obtain warranty and non-warranty performance or maintenance on your
analyzer: - Include with the product your name, address, phone number, writ-
ten description of the problem and proof of purchase date. Carefully package
and return to:
TPI / Attn. Repair
9615 SW Allen Blvd. Suite 104
Beaverton, OR 97005
9. Technical Information
Recommended Levels by Agency
Parameter IDPH 1 ASHRAE 2 OSHA PEL 3 ACGIH TLV 4
Humidity 20% - 60% 30% - 60% N/A N/A
Temperature 68 - 75 (winter)
73 - 79 (summer) 68 - 75 (winter)
73 - 79 (summer) N/A N/A
Carbon Dioxide 1,000ppm
(<800ppm preferred) 1,000ppm 5,000ppm 5,000ppm
Carbon Monoxide 9ppm 9ppm 50ppm 25ppm
N/A-Not Applicable or Not Established
1 Illinois Department of Public Health (2009)
2 American Society of Heating, Refrigerating and Air Conditioning Engineers
3 Occupational Safety and Health Administration Permissible Exposure Limit -- this level
is a time-weighted average and is an enforceable standard that must not be exceeded
during any eight-hour work shift of a 40-hour work week.
4 American Conference of Governmental Industrial Hygienist Threshold Limit Value -- this
level is a recommended time-weighted average upper limit exposure concentration for a
normal eight to 10-hour workday and a 40-hour work week.