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Teledyne 3190Z manual

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Table of contents for the manual

  • Page 1

    Trace Oxygen Analyzer Teledyne Analytical Instruments i OPERA TING INSTRUCTIONS FOR Model 3190Z T race Oxygen Analyzer DANGER Toxic gases and or flammable liquids may be present in this monitoring system. Personal protective equipment may be requi red when servicing this inst rume nt. Hazardous voltages exist on certain co m ponents internally whic[...]

  • Page 2

    Model 3190Z Teledyne Analytical Instruments ii Copyright © 2009 Teledyne Instruments/ Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language or computer language in whole or in part, in any form or by any means, whether it b[...]

  • Page 3

    Trace Oxygen Analyzer Teledyne Analytical Instruments iii Safety Messages Your safety and the safety of others is very important. We have provided many important safety m essages in this manual. Please read these messages carefully. A safety message alerts you to pot ential hazards that could hurt you or others. Each safety message is a ssociated w[...]

  • Page 4

    Model 3190Z Teledyne Analytical Instruments iv CAUTION: THE ANALYZER SHOULD ONLY BE US ED FOR THE PURPOSE AND IN TH E MA NNER DESCRIBE D IN THIS MANUAL. IF YOU USE THE ANALYZER IN A MANNER OTHER THAN THAT FOR WHICH IT WAS INTEND ED, UNPREDICTABLE BEHAVI OR COULD RESULT POSSIBLY ACCOMPANIED WITH HAZARDO US CONSEQUENCE S. This manual provides informa[...]

  • Page 5

    Trace Oxygen Analyzer Teledyne Analytical Instruments v T able of Content s Safety Me ssages .......................................................................... iii Introducti on ................................................................................... 1 1.1 Overview 1 1.2 Main Features of the Analyzer 1 1.3 Front Panel Description[...]

  • Page 6

    Model 3190Z Teledyne Analytical Instruments vi 4.3.2 LO Range 19 4.4 Setting the Alarm Setpoints 19 4.4.1 HI Alarm 19 4.4.2 LO Alarm 19 4.4.3 Sensor Fail Alarm 20 4.5 Selecting a Fixed Range or Autoranging 20 4.6 Calibration 20 4.7 LED Display on StartUp 21 Maintena nce ...............................................................................[...]

  • Page 7

    Trace Oxygen Analyzer Teledyne Analytical Instruments vii DANGER COMBUSTIBLE GAS USAGE WARNING This is a general purpose instrument designed for use in a non-hazardous area. It is th e customer's responsibility to ensure safety especially when combustible gases are being analyzed since the potential of gas leaks always exist. The customer shou[...]

  • Page 8

    Model 3190Z Teledyne Analytical Instruments viii (This page intentionally left blank)[...]

  • Page 9

    Trace Oxygen Analyzer Introduction Teledyne Analytical Instruments 1 Introduction 1.1 Overview The Teledyne Electronic Technologi es Analytical Instruments (TETAI) Model 3190Z is a microprocessor-based trace oxygen analyzer for real-time measurem ent of trace am ounts of oxygen in inert gases, or in a wide variety of gas mixtures. It features simpl[...]

  • Page 10

    Introduction Model 3190Z Teledyne Analytical Instruments 2 • Compact and rugged control unit with flush-panel case. Designed for indoor use. Fr ont panel NEMA-4 rated. • External probe 1.3 Front Panel Description All controls and displays except the power switch are accessible from the front panel. See Figure 1-1. The front panel has seven push[...]

  • Page 11

    Trace Oxygen Analyzer Introduction Teledyne Analytical Instruments 3 Data Entry Keys: Two pushbutton membrane switches are used to manually change measurem ent parameters of the instrument as they are displayed on the LED meter readout:  Up Arrow Increment values of parameters upwards as they are displayed on the LED readout. • Down Arrow Incr[...]

  • Page 12

    Introduction Model 3190Z Teledyne Analytical Instruments 4 Figure 1-2 Rear Panel (AC and DC versions)  Power Connection AC version: 100–240 VAC, 50/60 Hz. The connector housing includes the fuse holder and the power switch. DC version: Requires 10 - 36 VDC. Fuse Holder: Replacing the fuse is described in Chapter 5 - Maintenance .[...]

  • Page 13

    Trace Oxygen Analyzer Introduction Teledyne Analytical Instruments 5 I/O Power Switch: Turns the instrument power ON ( I ) or OFF ( O ). • Analog Outputs 0–10 VDC concentration output. 0–10 VDC Range ID (or optional over-range) output. 4–20 mADC concentration output, negative ground. • Alarm Connections HI Alarm, LO Alarm, and Sensor Fail[...]

  • Page 14

    Introduction Model 3190Z Teledyne Analytical Instruments 6 (This page intentionally left blank)[...]

  • Page 15

    Trace Oxygen Analyzer Operational Theory Teledyne Analytical Instruments 7 Operational Theory 2.1 Introduction The analyzer is composed of three subsystems: 1. Analysis unit with zirc onium oxide sensor(s) 2. Control unit with signal pro cessing, display and controls 3. Interface unit, supplying si gnals between 1 and 2. The analysis unit is design[...]

  • Page 16

    Operational Theory Model 3190Z Teledyne Analytical Instruments 8 The sensor is designed for l ong term stability with an operating life of 5 years. This unit features one or two sens ors, and can be custom-designed for a specific range of oxygen analysis. 2.2.2 The Effect of Pressure In order to state the amount of oxygen present in the sample as a[...]

  • Page 17

    Trace Oxygen Analyzer Operational Theory Teledyne Analytical Instruments 9 2.3.2 Signal Processing Figure 2-4 is a block diagram of the signal processing electronics described below. Figure 2-4: Block Diagram of the Signal Processing Electronics In the presence of oxygen, the sensor(s) produce a current. A current to voltage amplifier (I–E AMPL) [...]

  • Page 18

    Operational Theory Model 3190Z Teledyne Analytical Instruments 10 RS-232 (optional) output. The same digi tal information is also sent to a 8-bit digital to analog converter ( DAC) that produces the 0-1 0 VDC analog concentration signal and th e 0-10 VDC analog range ID output. A current to voltage converter (E –I CONV) produces the 4-20 m ADC an[...]

  • Page 19

    Trace Oxygen Analyzer Installation Teledyne Analytical Instruments 11 Inst allation Installation of the analyzer includes: 1. Unpacking the system. 2. Mounting the control unit a nd external sample block. 3. Making the electrical connections. 4. Making the gas connections. 5. Testing the installation. CAUTION: READ THIS CHAPTER IN ITS ENTIRETY BEFO[...]

  • Page 20

    Installation Model 3190Z Teledyne Analytical Instruments 12 3.2 Location and Mounting 3.2.1 Control Unit Installation The 3190Z control unit is designe d to be panel-mounted in a general purpose, indoor area, away fr om moisture and the elem ents. The unit should be installed at view ing level in a sheltered area. CAUTION: FOR THE DC POWERED VER SI[...]

  • Page 21

    Trace Oxygen Analyzer Installation Teledyne Analytical Instruments 13 standard AC power cord is supplied with the control unit. Insert the female plug end of the power cord into the power cord receptacle. The universal power supply allows direct connection to any 100- 240VAC, 50/60 Hz power source. The fuse block, to the right of the power cord rec[...]

  • Page 22

    Installation Model 3190Z Teledyne Analytical Instruments 14 Figure 3-2 Rear Panel Electrical Connectors for AC and DC Units Analog Outputs: There are three DC output signal connectors with screw terminals on the p anel. There are two wires per output with the polarity noted. See Figure 3-3. The outputs are: 0–10 V Concentration: Voltage is propor[...]

  • Page 23

    Trace Oxygen Analyzer Installation Teledyne Analytical Instruments 15 Alarm Relays: The three alarm circuit c onnectors are screw term inals for making connections to internal al arm relay contacts. There is one set of contacts for each type of alarm. Contacts are F orm C, with normally open and normally closed contact co nnections capable of switc[...]

  • Page 24

    Installation Model 3190Z Teledyne Analytical Instruments 16 External Probe: The receptacle for the analys is unit cable is located in the lower left-hand corner of the rear panel. The 6-pin Minifit ™ connector is keyed to fit only one wa y into the receptacle; do not force it. The other end of the cable consists of four separate wires. These shou[...]

  • Page 25

    Trace Oxygen Analyzer Operation Teledyne Analytical Instruments 17 Operation 4.1 Introduction Once the analyzer has been mount ed, the gas lines connected, and the electrical connections made, the an alyzer can be configured for your application. This involves setting th e system param eters as follows: • Defining the user-selec table analysis ra[...]

  • Page 26

    Operation Model 3190Z Teledyne Analytical Instruments 18 4.2 Using the Function a nd Dat a Entry Buttons When one of the function buttons is being pressed, the analyzer is in the Setup mode or the Calibration mode. The four setup function butt ons on the analyzer are: • SET HI ALARM • SET LO ALARM • SET HI RANGE • SET LO RANGE The Calibrati[...]

  • Page 27

    Trace Oxygen Analyzer Operation Teledyne Analytical Instruments 19 4.3.1 HI Range Setting the HI Range full-scale value defines the LEAST sensitiv e analysis range to be used. To set the HI Range: 1. Press the SET HI RANGE function button once. 2. Immediately (within 5 seconds) press either the Δ or ∇ button to raise or lower the displayed value[...]

  • Page 28

    Operation Model 3190Z Teledyne Analytical Instruments 20 1. Press the SET LO ALARM function button once. 2. Within 5 seconds press either the Δ or ∇ button to raise or lower the displayed value as require d, until the disp lay reads the desired concentration. 4.4.3 Sensor Fail Alarm Not active in this product. 4.5 Selecting a Fixed Range or Auto[...]

  • Page 29

    Trace Oxygen Analyzer Operation Teledyne Analytical Instruments 21 3. Immediately (within 5 seconds) press either the Δ or ∇ button until the display is stable and disp lays the oxygen concentration of the applied calibration gas. Once s et, the unit will enter Analyze Mode after approximately three seconds. The unit is now calibrated. If the ou[...]

  • Page 30

    Operation Model 3190Z Teledyne Analytical Instruments 22 (This page intentionally left blank)[...]

  • Page 31

    Trace Oxygen Analyzer Maintenance Teledyne Analytical Instruments 23 Maintenance Aside from normal cleaning and checking for leaks at the gas connections, the Model 3190Z shoul d not require any maintenance beyond replacement of zirconium oxid e senso rs, and perhaps a blown fuse. Routine maintenance include s occasional recalibration, as described[...]

  • Page 32

    Maintenance Model 3190Z Teledyne Analytical Instruments 24 3. Insert a small flat-blade screwdriv er into the slot in the receptacle wall nearest the fuse and gently pr y open the fuse receptacle. The fuse holder will slide out. The fuse in use is visible in the clip. To open the spare fuse compartment, push on one end until it slides out. 4. Remov[...]

  • Page 33

    Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments 25 Appendix A.1 S pecifications Ranges : Two user selectable ranges can be set between 0-10 ppm and 0-1,000 ppm oxygen. Default ranges are 0-100 ppm and 0-1,000 ppm oxygen Signal Output : Voltage: 0–10 VDC, negative ground Current: 4-20 mA, negative ground Range ID: 0-10 VDC Display :[...]

  • Page 34

    Appendix Model 3190Z Teledyne Analytical Instruments 26 A.2 S p are Part s List 1* C-64586A PC Board, Power Supply (AC-version) 1* C-64586B PC Board, Power Supply (DC-version) 1 C-76491C PCB Board, Main 1 C-76490C Interface Unit 2* F-1130 Fuse (AC), ½A, 250 VAC IEC Type T, 5x20mm 1* F-51 Fuse (DC), ½A, 125 VDC Micro-fuse 1 S-1439 Sensor, 0-1,000 [...]

  • Page 35

    Trace Oxygen Analyzer Appendix Teledyne Analytical Instruments 27 A.3 Drawing List D-76533 Outline/Interconnection Diagram A.4 Miscellaneous The symbol: ~ is used on the re ar panel of the m odel 3190Z to signify volts alternating current (VAC).[...]