Teledyne 7300a - NDIR analyzer - Manual (Page 7)

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Table of Contents
Teledyne Analytical Instruments
3 Start-up and Theory of Operation ......................................... 3-1
3.1 Preliminary ..................................................................... 3-1
3.2 NDIR Analyzer set-up .................................................... 3-1
3.2.1 Initial Set-up and Zeroing ...................................... 3-1
3.2.2 Operational Calibration ......................................... 3.2
3.3 Theory of Operation ....................................................... 3-2
3.3.1 General ................................................................. 3-2
3.4.2 Analyzer ................................................................ 3-3
3.4 Circuit Description ......................................................... 3-5
3.5 Digital Signal Processing & Electronics......................... 3-6
3.6 Linearizer ....................................................................... 3-7
3.7 Control Unit .................................................................... 3-8
3.8 Automatic Function ........................................................ 3-9
4 Operation: Electrical/Control Unit Modes/Functioning
4.1 Introduction .................................................................... 4-1
4.2 Using the Controls ......................................................... 4-2
4.2.1 Mode/Function Selection ...................................... 4-2
4.2.1.1 Analysis Mode ............................................ 4-2
4.2.1.2 Setup Mode ................................................ 4-4
4.2.2 Data Entry ............................................................. 4-5
4.2.2.1 Enter ........................................................... 3-5
4.2.2.2 Escape ....................................................... 3-5
4.3.2 Setting up Auto-Cal ................................................ 4-6
4.3.3 Password Protection .............................................. 4-7
4.3.3.1 Entering the Password ................................... 4-7
4.3.3.2 Installing or Changing the Password ............. 4-8
4.3.4 Logging Out ........................................................... 4-9
4.3.5 System Self-Diagnostic Test .................................. 4-9
4.3.6 The Model Screen ................................................. 4-10
4.3.7 Checking Linearity with Algorithm ......................... 4-10
4.3.8 Trouble Shooting Information ................................. 4-11
4.3.9 Digital Flter Setup .................................................. 4-12
4.3.10 Zero Offset Adjustment .......................................... 4-13
4.3.11 CAL-OUT Funtion .................................................. 4-14
4.4 The Zero and Span Functions ....................................... 4-16
4.4.1 Zero Cal ................................................................. 4-16
4.4.1.1 Auto Mode Zeroing ........................................ 4-17
3.4.1.2 Manual Mode Zeroing .................................... 4-18
3.4.1.3 Cell Failure .................................................... 4-18