Standard maintenance and calibration service for the Integrating Nephelometer Model 3563 consists of

these procedures:

1) Review written instructions or explanation of problem from customer

2) Initial inspection

3) Update manual, software and firmware as necessary

4) Clean instrument and optics

5) Inspect and replace as needed: filters, tubing, and O-rings

6) Leak check

7) Align optics, apertures and shutters

8) Calibrate humidity and temperature sensors

9) Calibrate unit with filtered air and CO2

10) Final electrical checkout and performance verification

Standard service includes minor repairs and replacement parts. Major repairs and replacement parts will

be charged for parts and labor. TSI will contact the customer for approval before making any major

repairs.

Turnaround time for standard service is approximately two weeks after receipt of the instrument. TSI

service work is backed by a 90 day service warranty.