ATI Technologies PQ45H O & M Manual
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ATI Technologies PQ45H O & M Manual

Portable dissolved ozone measurement system
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Portable Dissolved Ozone
Measurement System
Home Office
Analytical Technology, Inc.
6 Iron Bridge Drive
Collegeville, PA 19426
Phone: 800-959-0299
610-917-0991
Fax:
610-917-0992
Email: sales@analyticaltechnology.com
O & M Manual
Model PQ45H
European Office
ATI (UK) Limited
Unit 1 & 2 Gatehead Business Park
Delph New Road, Delph
Saddleworth OL3 5DE
Phone: +44 (0)1457-873-318
Fax:
+ 44 (0)1457-874-468
Email: sales@atiuk.com

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Summary of Contents for ATI Technologies PQ45H

  • Page 1 O & M Manual Model PQ45H Portable Dissolved Ozone Measurement System Home Office European Office Analytical Technology, Inc. ATI (UK) Limited 6 Iron Bridge Drive Unit 1 & 2 Gatehead Business Park Collegeville, PA 19426 Delph New Road, Delph Phone: 800-959-0299...

  • Page 2: Table Of Contents

    Table of Contents TABLE OF FIGURES ..........3 5.81 Software Navigation ......24 5.82 Measure Menu [MEASURE] ....27 PART 1 - INTRODUCTION ........4 5.83 Calibration Menu [CAL] ......28 General............4 5.84 Configuration Menu [CONFIG] ..28 Standard System ........4 5.85 Control Menu [CONTROL] ....

  • Page 3: Table Of Figures

    Table of Figures 1 - PQ45 P ........................5 IGURE ORTABLE ONITOR YSTEM 2 - F ..........................8 IGURE RONT IEW OF INGED ANEL 3 - S .......................... 9 IGURE ENSOR AND OMPONENTS 4 - D ........................12 IGURE ISSOLVED ZONE ENSOR SSEMBLY...

  • Page 4: Part 1 - Introduction

    Part 1 - Introduction General The Model PQ45-65 Portable Dissolved Ozone Monitor is designed for short-term measurement and data logging of dissolved ozone in water systems. It may also be used for permanent monitoring in locations where solar power systems are available to provide continuous power. Each system is a self-contained package that includes a battery-powered analyzer, sensor, flowcell assembly, and sample flow controls.

  • Page 5: Features

    PQ45H Portable Dissolved Ozone System Part 1 - Introduction Figure 1 - PQ45 Portable Monitor System Features  Standard main module is designed to be a fully isolated, battery-powered instrument. An optional arrangement provides for external power from a 10-16 VDC supply.

  • Page 6: Q45H/64 System Specifications

    PQ45H Portable Dissolved Ozone System Part 1 - Introduction calibration methods include stability monitors that check temperature and main parameter stability before accepting data.  High accuracy three-wire Pt100 temperature input. Temperature element can be user calibrated.  Security lock feature to prevent unauthorized tampering with transmitter settings. All settings can be viewed while locked, but they cannot be changed.

  • Page 7: Q45H Performance Specifications

    PQ45H Portable Dissolved Ozone System Part 1 - Introduction Sensor Materials Noryl and stainless steel Sensor Cable 1ft. (.3 meter) cable with 6-pin plug. Combination pH sensor with 18” (46 cm) cable for direct Optional pH Input connection to electronics.

  • Page 8: Part 2 - System Components

    Part 2 – System Components General The PQ45 Portable Dissolved O Monitoring System comes complete in a rugged molded case, and is designed to be operated by simply setting the case in the desired location, connecting sample and drain tubes, and turning on the power. However, when received, the sensors are not yet ready for use, and the user must first prepare the dissolved ozone sensor and pH sensor if supplied.

  • Page 9: Figure 3 - Sensor And Flow Components

    Part 2 – System Components PQ45H Portable Dissolved Ozone System Internal Flow System The “Wet” section of the analyzer is located on the back of the internal hinged panel. The panel is held in place by two captive screws on the right side. Loosen these screws to get access to the sensors and sample flow components.
  • Page 10 Remove the screen and rinse as needed to remove any accumulated solids. Sensor Polarizer Each PQ45H dissolved ozone system is supplied with a “sensor polarizer” designed to facilitate stabilization of the O sensor, and to keep the sensor in a state where it is ready for use immediately, even if the analyzer is turned off.
  • Page 11 Part 2 – System Components PQ45H Portable Dissolved Ozone System Spare Parts Behind the internal panel in the area of the flowcells and sensors is a molded foam area that holds spare parts that might be needed in the field. The following items are normally supplied.

  • Page 12: Part 3 - Sensor Preparation

    Dissolved Ozone Sensor Preparation The O sensor supplied with the PQ45H is shipped dry. It will not operate until it is prepared by adding electrolyte and a membrane. Preparation of the sensor for operation must be done carefully. The procedure should be done by a qualified technician, and it should only be done when the system is ready for operation.

  • Page 13: Sensor Polarizer (Keeper)

    Sensor Polarizer (Keeper) Each PQ45H dissolved ozone system is supplied with a “sensor polarizer” designed to facilitate stabilization of the dissolved ozone sensor, and to keep the sensor in a state where it is ready for use immediately, even if the analyzer is turned off.

  • Page 14: Optional Ph Sensor

    Part 3 – Sensor Preparation PQ45H Portable Dissolved Ozone System Optional pH Sensor The optional pH sensor available for use with the PQ45H system is a combination pH/reference electrode with a stainless steel solution ground. It is directly connected to the electronics assembly and is held in place in the flowcell with a twist-lock arrangement on the cap.

  • Page 15: Part 4 - Electrical Assembly

    Part 4 – Electrical Assembly General PQ45 Portable Analyzers are factory wired and are ready to operate as received. If units were supplied with the optional data logger, voltage output cables that plug into the logger will be supplied. If no logger was purchased with the unit, these cables will not be installed. Units supplied with the external power and output connector will be provided with a mating cable assembly.

  • Page 16: Battery / Power Circuit Board

    PQ45H Portable Dissolved Ozone System Battery / Power Circuit Board PQ45H monitors are normally powered by internal C-cell alkaline batteries or by an external power connection. Figure 7 shows this board assembly with batteries installed. Figure 8 shows the same board with terminals installed for external power connection.

  • Page 17: External Power / Output Connections

    External Power / Output Connections PQ45H units ordered with the external connection option are designed for applications where power is to be supplied from an external source, and the two voltage outputs are to be wired to an external device.
  • Page 18 Part 4 – Electrical Assembly PQ45H Portable Dissolved Ozone System O&M Manual Rev-C (7/15)

  • Page 19: Part 5 - Operation

    Part 5 – Operation User Interface To turn the system ON, simply press the MENU key and the display will come on. Once the instrument is turned on, it will run continuously until it is turned off manually or the batteries are consumed.

  • Page 20: Battery Power Circuit Board

    Part 5 – Operation PQ45H Portable Dissolved Ozone System Battery Power Circuit Board The Q45 portable instrument is primarily operated by software settings. However, there are also a few hardware details on the battery circuit board to note. The battery board is a circuit board that sits in the rear of the Q45 enclosure, and connects to the Q45 AUX port through a ribbon cable.

  • Page 21: External Power

    PC to the Q45 installation. Maintaining Sensor Stability The dissolved ozone sensor stability is maintained as long as the PQ45H electronic unit is turned on. When the electronics are shut off, the sensor bias is removed and time will be required for restabilization when power is turned on again.

  • Page 22: User Interface

    Part 5 – Operation PQ45H Portable Dissolved Ozone System User Interface The user interface for the Q45 Series instrument consists of a custom display and a membrane keypad. All functions are accessed from this user interface (no internal jumpers, pots, etc.).

  • Page 23: 5.72 Display

    Part 5 – Operation PQ45H Portable Dissolved Ozone System LEFT (arrow) To move the cursor from right to left during changes to a number value. ENTER To select a menu section or list item for change and to store any change.

  • Page 24: Software

    Part 5 – Operation PQ45H Portable Dissolved Ozone System HOLD The HOLD icon indicates that the current output of the transmitter has been put into output hold. In this case, the output is locked to the last input value measured when the HOLD function was entered. HOLD values are retained even if the unit power is cycled.
  • Page 25 Part 5 – Operation PQ45H Portable Dissolved Ozone System information to be entered. The majority of the menu items in the software consist of the single variable format type. Any data that may be changed will be flashing. This flashing indicates user entry mode and is initiated by pressing the ENTER key.

  • Page 26: Figure 12 - Software Map

    Part 5 – Operation PQ45H Portable Dissolved Ozone System Start MENU MEASURE CONFIG CONTROL DIAG SECTIONS (display only) Entry Lock Cal O3 Set 0V #1 Set Hold * mV Set Delay * Cal pH Fault List Set 2.5V #1 Temperature...

  • Page 27: Measure Menu [Measure]

    Part 5 – Operation PQ45H Portable Dissolved Ozone System 5.82 Measure Menu [MEASURE] The default menu for the system is the display-only menu MEASURE. This menu is a display-only measurement menu, and has no changeable list items. When left alone, the instrument will automatically return to this menu after approximately 30 minutes.

  • Page 28: Calibration Menu [Cal]

    Part 5 – Operation PQ45H Portable Dissolved Ozone System 5.83 Calibration Menu [CAL] The calibration menu contains items for frequent calibration of user parameters. There are four items in this list: Cal O , Cal pH (if installed) Cal Temp, and Set Range.
  • Page 29 Part 5 – Operation PQ45H Portable Dissolved Ozone System contain their own filtering and stability monitoring functions to minimize the calibration timing. Press ENTER to initiate user entry mode, and the value will flash. Use the arrow keys to modify value; range is 0.1 to 9.9 minutes.
  • Page 30 Part 5 – Operation PQ45H Portable Dissolved Ozone System pH Buffer This is a multiple variable function that allows the user to choose which pH buffer sets that will be utilized in the 2-point calibration mode. The Q45P contains 3 sets of built-in buffer tables with compensation values ranging from 0 to 95 °C.
  • Page 31 Part 5 – Operation PQ45H Portable Dissolved Ozone System Table 1 Table 2 4.00 pH 7.00 pH 10.00 pH 4.00 pH 7.00 pH 9.18 pH ºC °C °C ºC °C °C 4.00 7.10 10.27 4.00 7.10 9.46 3.99 7.06 10.15 3.99...

  • Page 32: Control Menu [Control]

    Part 5 – Operation PQ45H Portable Dissolved Ozone System 5.85 Control Menu [CONTROL] The Control Menu contains all of the output control user settings: Set 0V These functions set the output range for each of the two instrument Set 2.5V #1 outputs.
  • Page 33 Part 5 – Operation PQ45H Portable Dissolved Ozone System Fault List The Fault List screen is a read-only screen that allows the user to display the cause of the highest priority failure. The screen indicates the number of faults present in the system and a message detailing the highest priority fault present.
  • Page 34 Part 5 – Operation PQ45H Portable Dissolved Ozone System BackLight The Back-light screen is used to set the operating conditions under which the backlight will turn on. The default is AUTO, which configures the light to come on whenever any key is pressed.

  • Page 35: Part 6 - Calibration

    Part 6 – Calibration Ozone Calibration Once power is applied, the sensor must be given time to stabilize. This is best done by simply allowing the instrument to run connected to tap water overnight. A complete calibration will include zeroing and spanning the sensor. It is generally unnecessary to set the sensor zero unless the monitor will be used primarily for measurements below 0.5 PPM.

  • Page 36: 6.12 Ozone Span Cal

    Part 6 – Calibration PQ45H Portable Dissolved Ozone System The sensor zero offset value in nA from the last zero calibration is displayed on the lower line of the Default Menus for information purposes 6.12 Ozone Span Cal Span calibration of the system must be done against a laboratory measurement on the same sample that the sensor is measuring.

  • Page 37: Temperature Calibration

    Part 6 – Calibration PQ45H Portable Dissolved Ozone System Temperature Calibration The temperature calibration sequence is essentially a 1-point offset calibration that allows adjustments of approximately ±5 °C. The sensor temperature may be calibrated on line, or the sensor can be removed from the process and placed into a known solution temperature reference.

  • Page 38: 6.31 Two-Point Ph Cal

    Part 6 – Calibration PQ45H Portable Dissolved Ozone System 6.31 Two-Point pH Cal Remove sensor from the flowcell by turning the retaining pins to line up with slots in the flowcell and carefully pulling straight up. Rinse and clean if necessary.

  • Page 39: 6.32 One-Point Ph Cal

    Part 6 – Calibration PQ45H Portable Dissolved Ozone System 12. The system now begins acquiring data for the calibration value of this buffer point. As data is gathered, the units for pH and/or temperature may again flash, indicating unstable parameters.

  • Page 40: Part 7 - Data Logger (Option)

    The software and the USB to Logger cable are provided in the foam insert behind the hinged panel of the PQ45H. Prior to operating the logger, the software must be installed on your computer.
  • Page 41 Part 7 – DataLogger PQ45H Portable Dissolved Ozone System Logger Battery Replacement The data logger contains a disposable battery that will normally last over 6 months in continuous operation. The battery condition can be seen on the setup screen in the HOBOware Pro software.

  • Page 42: Part 8 - System Maintenance

    Part 8 – System Maintenance General The Q45H/64 Dissolved Ozone System will generally provide unattended operation over long periods of time. With proper care, the system should continue to provide measurements indefinitely. For reliable operation, maintenance on the system must be done on a regular schedule.

  • Page 43: 8.31 Sensor Acid Cleaning

    Part 8 – System Maintenance PQ45H Portable Dissolved Ozone System 8.31 Sensor Acid Cleaning Over an extended operating period, chlorine dioxide sensors can slowly accumulate deposits on the surface of the platinum electrode. Typically, this type of buildup occurs over years of operation, but can sometimes occur more quickly in high levels of manganese, iron, or other metals are dissolved in the water.

  • Page 44: Part 9 - Troubleshooting

    Part 9 – Troubleshooting General The information included in this section is intended to be used in an attempt to quickly resolve an operational problem with the system. During any troubleshooting process, it will save the most time if the operator can first determine if the problem is related to the analyzer, sensor, or some external source.
  • Page 45 Part 9 – Troubleshooting PQ45H Portable Dissolved Ozone System MESSAGE DESCRIPTION POSSIBLE CORRECTION ≤ Max is 200 Entry failed, maximum user value allowed is 200. Reduce value to ≥ Min is 200 Entry failed, minimum value allowed is 200. Increase value to...
  • Page 46 Part 9 – Troubleshooting PQ45H Portable Dissolved Ozone System MESSAGE DESCRIPTION POSSIBLE CORRECTION Cal Fail Failure of dissolved ozone calibration. FAIL Clean sensor redo zero and span calibration. icon will not extinguish until successful If still failure, sensor slope may be less than calibration has been performed, or 30 25% or greater than 250%.

  • Page 47: Sensor Tests

    Part 9 – Troubleshooting PQ45H Portable Dissolved Ozone System Sensor Tests 1. Check the membrane condition. A membrane that is not stretched smoothly across the tip of the sensor will cause unstable measurements. If necessary, change membrane and electrolyte. 2. Dissolved ozone sensors can be tested with a digital voltmeter (DVM) to determine if a major sensor problem exists.

  • Page 48: Spare Parts

    Spare Parts Part No. Description 03-0338 PQ45H-64 Dissolved Ozone Front Electronic Assembly 01-0240 Battery circuit board with dual 0-2.5 VDC output 45-0253 Flowcell for ClO sensor 42-0014 O-ring for 45-0253 flowcell 45-0254 pH Flowcell 55-0048 Fixed flow regulator, 0.4 LPM...
  • Page 49 PRODUCT WARRANTY Analytical Technology, Inc. (Manufacturer) warrants to the Customer that if any part(s) of the Manufacturer's equipment proves to be defective in materials or workmanship within the earlier of 18 months of the date of shipment or 12 months of the date of start- up, such defective parts will be repaired or replaced free of charge.
  • Page 50 WATER QUALITY MONITORS GAS DETECTION PRODUCTS Dissolved Oxygen Ammonia Carbon Monoxide Free Chlorine Hydrogen Combined Chlorine Nitric Oxide Total Chlorine Oxygen Residual Chlorine Dioxide Cl2 Phosgene Potassium Permanganate Bromine Chlorine Dissolved Ozone Chlorine Dioxide pH/ORP Fluorine Conductivity Iodine Hydrogen Peroxide Acid Gases Peracetic Acid O Ethylene Oxide...

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