Overview; Using The Zero Jig - Emerson OPM 3000 Instruction Manual

Instruction Manual
IM-105-3000, Rev 2.0
November 2008
Section 5

OVERVIEW

USING THE ZERO JIG

Figure 5-1. Zero Jig
http://www.raihome.com
Zero Jig and Neutral Density
Filter
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1
Using the Zero Jig . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1
This section describes:
• The purpose and functions of the zero jig.
• Installation procedures for the zero jig.
• How to calculate the filter values using the OPLR.
• How to make adjustments on the iris.
The zero jig (Figure 5-1), or Micro-turn 200, on-line test and audit system
contains a test reflector, an 84% neutral density filter, filter certification
certificates and a carrying case.
The zero jig on-line test and audit system may be used for:
• Opacity audit
• Linearity checks and adjustments
• System accuracy verification
• Service on-line or off-stack
Mounting Screw
Reflector Plate
OPM 3000
Fine Adjustment
(Large Knob)