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Problem Report Forms

Model 400A - Warranty Repair Questionnaire

A PDF version of this form is available here.

Company: *
Contact name: *
Telephone: *
Email: *
Serial #:
Software Version:
Describe the Failure Symptoms:
List All Warning Messages:
Test values:
ParameterObserved valueUnitsNominal Range
Rangeppb100 - 20,000
O3 MEAS @ ZEROmV2500 - 4800
O3 REF @ ZEROmV2500 - 4800
O3 MEAS @ SPANmV2500 - 4800
O3 REF @ SPANmV2500 - 4800
O3 Gen. 0 - 5000
O3 Drive 0 - 5000
VACIn-Hg-A10 - 13
PressureIn-Hg-A25 - 30
Sample Flowcm³/min800 ± 80
Sample TempºC20 - 45
Photo Lamp TempºC52 ± 1
O3 Gen. TempºC48 ± 1
Orifice TempºC48 ± 1
Box TempºCAmbient ± 5
DCPS 2500 ± 200
Slope 1.0 ± 0.2
Offset 0.0 ± 5.0
Measured flow (use a flow meter not the front panel)?
Is unit leak checked?Yes No
Will the unit allow you to SPAN (push the SPAN button)? Yes No
Will the unit allow you to ZERO (push the ZERO button)? Yes No
What are you using for a source of SPAN gas?
When was the last time your source was calibrated
If possible, please include a portion of the strip chart pertaining to the problem. Circle pertinent data.
Enter code to confirm submission
Validation Enter Confirmation Code:    *

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