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ATI Technologies Q45P O & M Manual

Portable ph measurement system
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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 Q45P
Portable pH
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 Q45P

  • Page 1 O & M Manual Model Q45P Portable pH 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

    PART 1 - INTRODUCTION ........4 TROUBLESHOOTING ........41 General............4 Features ............5 Cleaning the Sensor ......... 41 Q45P System Specifications ...... 6 Replacing the Saltbridge and Reference Q45P Performance Specifications ..... 7 Buffer Solution ............ 42 Troubleshooting ........43 PART 2 –...
  • Page 3 Table of Figures 1 - P ..................8 IGURE ORTABLE ANDLE IEWS 2 - B ..................... 9 IGURE ULKHEAD ONNECTION 3 - S ....................10 IGURE ENSOR ONNECTION 4 - S ..........11 IGURE ENSOR ONNECTIONS OMBINATION LECTRODES 5 - E ..............12 IGURE XTERNAL EMPERATURE...

  • Page 4: Part 1 - Introduction

    Warning: If unit is to be stored for more that 6 months REMOVE the batteries from the holder to avoid potential damage from battery leakage. The Q45P displays pH, sensor temperature, sensor output millivolts, and output mV signals on the secondary line of the custom display. The instrument may be used with either the high performance Q25 series sensors or with combination- style electrodes.

  • Page 5: Features

    Part 1 – Introduction Q45P pH System Features • Standard Q45P electronic transmitters are designed to be a fully isolated, battery powered instrument. The monitor can be quickly converted to either a loop power transmitter or line powered analyzer. • Two 10-bit, isolated, 0-2.5 VDC analog outputs may be configured to track pH and temperature, or pH and pH.

  • Page 6: Q45P System Specifications

    Part 1 – Introduction Q45P pH System Q45P System Specifications Enclosure NEMA 4X, polycarbonate, stainless steel hardware, weatherproof and corrosion resistant, HWD: 4.4" (112 mm) × 4.4" (112 mm) × 3.5" (89 mm) Mounting Options Handheld w/ Nylon Carrying Strap Weight 1 lb.

  • Page 7: Q45P Performance Specifications

    Part 1 – Introduction Q45P pH System Battery Life: Approximately 240 hours of operational use on a set of batteries (without backlight). Q45P Performance Specifications (Common to all variations) Accuracy 0.1% of span or better (± 0.01 pH) Repeatability 0.1% of span or better (± 0.01 pH) Sensitivity 0.05% of span (±...

  • Page 8: Part 2 - Instrument Handle/Mounting

    Part 2 – Instrument Handle/Mounting General The Q45P Portable pH System comes complete with a specially designed handle that allows the system to be comfortably carried, or quickly strapped to a railing. Although the system is designed to be a portable system, it can be permanently mounted for longer term field use.

  • Page 9: Part 3 - Sensor Electrical Installation

    Part 3 – Sensor Electrical Installation General The sensor cable can be quickly connected to the Q45 terminal strip by matching the wire colors on the cable conductors. Keep signal cable away from AC power lines, adjustable frequency drives, motors, or other noisy electrical signal lines. Direct Sensor Connection The sensor cable should be routed into the enclosure through the right hand cord grip on the bottom of the enclosure.

  • Page 10: Figure 3 - Sensor Connection

    Part 3 –Installation Q45P pH System Figure 3 - Sensor Connection O&M Manual Rev-B (7/15)

  • Page 11: Combination Electrode Connection

    Q45P pH System Combination Electrode Connection The Q45P may also be used with non-amplified simple combination electrodes (see Figure 4). Note that a wire jumper must be installed from Terminal 3 to Terminal 8. The user must also select Sensor Type 2 within the Config Menu (see Section 4.9).

  • Page 12: External Temperature Compensation

    Part 3 –Installation Q45P pH System External Temperature Compensation All Q25 sensors include an integral Pt1000 RTD. The Q45 series instruments also allow user-supplied external Pt1000 or Pt100 elements to be connected to the temperature input, as shown in Figure 5. Note that when using the Pt100...

  • Page 13: Part 4 - Configuration

    Part 4 – Configuration General To turn the system ON, simply press and hold the MENU key for approximately 5 seconds and the display will come on. To turn the unit off, press and hold the ENTER key until the display shuts off (about 3 seconds). Note that the unit must be in the MEASURE menu in order for the 3-second key press to operate.

  • Page 14: Figure 6 - Battery Board Connections

    Part 4 – Configuration Q45P pH System POWER CABLE DC BATTERY BOARD (REAR OF ENCLOSURE) Figure 6 - Battery Board Connections The first (S1) is an On/Off slide switch. This switch must be in the ON position for operation. Turn it to OFF if you do not intend to operate the monitor in the next week or two.

  • Page 15: Battery Power Circuit Board

    Part 4 – Configuration Q45P pH System have only about 35% of the capacity of an alkalines. However, NiMH batteries can be recharged hundreds of times. The third switch assembly is a single slide switch (S3) which defines whether the 0-2.5 VDC signals from the monitor are isolated or non-isolated.

  • Page 16: User Interface

    Part 4 – Configuration Q45P pH 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.). RELAY...

  • Page 17: Keys

    Part 4 – Configuration Q45P pH System 4.51 Keys All user configuration occurs through the use of four membrane keys. These keys are used as follows: MENU/ESC To scroll through the menu section headers or to escape from anywhere in software. The escape sequence allows the user to back out of any changes in a logical manner.
  • Page 18 Part 4 – Configuration Q45P pH System Lower Line During normal operation, the lower line of the display indicates user-selected secondary measurements that the system is making. This also includes calibration data from the last calibration sequence and the transmitter model number and software version.

  • Page 19: Software

    Icon B battery power is low. Software The software of the Q45P is organized in an easy to follow menu-based system. All user settings are organized under five menu sections: Measure, Calibration [CAL], Configuration [CONFIG], Control [CONTROL] and Diagnostics [DIAG].
  • Page 20 Part 4 – Configuration Q45P pH System Any data that may be changed will be flashing. This flashing indicates user entry mode and is initiated by pressing the ENTER key. The UP arrow key will increase a flashing digit from 0 to 9. The LEFT arrow key moves the flashing digit from right to left.

  • Page 21: Figure 8 - Software Map

    Part 4 – Configuration Q45P pH System Start MENU MEASURE CONTROL CONFIG DIAG SECTIONS (display only) Temperature Set 0V (#1) Entry Lock Cal pH Set Hold Sensor mV Set 2.5V (#1) Cal Temp Set Delay Fault List Set 0V (#2)

  • Page 22: Measure Menu [Measure]

    Part 4 – Configuration Q45P pH System 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 idle, the instrument will automatically return to this menu after approximately 30 minutes.

  • Page 23: Calibration Menu [Cal]

    Part 4 – Configuration Q45P pH System 4.9 Calibration Menu [CAL] The calibration menu contains items for frequent calibration of user parameters. There are three items in this list: Cal pH or Cal Temp. Cal pH The pH calibration function allows the user to adjust the...

  • Page 24: Configuration Menu [Config]

    Press ENTER to initiate user entry mode and the first digit will flash. Use arrow keys to modify value. See end of manual for the Q45P lock/unlock code. Press ENTER to toggle lock setting once code is correct.
  • Page 25 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 26 Part 4 – Configuration Q45P pH System the message Accepted! will be displayed on the lower line. Buffer Table 1 4.00 pH 7.00 pH 10.00 pH °C °C °C 4.00 7.10 10.27 3.99 7.06 10.15 4.00 7.02 10.05 4.01 6.99 9.95...

  • Page 27: Control Menu [Control]

    Part 4 – Configuration Q45P pH System Buffer Table 3 4.65 pH 6.79 pH 9.23 pH °C °C °C 4.67 6.89 9.48 4.66 6.84 9.37 4.65 6.80 9.27 4.65 6.78 9.18 4.66 6.76 9.09 4.68 6.76 9.00 4.70 6.76 8.92 4.72...

  • Page 28: Diagnostics Menu [Diag]

    Part 4 – Configuration Q45P pH System Set 2.5V #2 These functions set the output range for each of the two instrument outputs. The value stored for the 0V point may be higher or lower than the value stored for the 2.5V point.
  • Page 29 Part 4 – Configuration Q45P pH System displayed failures due to the high number of internal tests occurring. As faults are corrected, they are immediately cleared. Faults are not stored; therefore, they are immediately removed if power is cycled. If the problem causing the faults...
  • Page 30 Part 4 – Configuration Q45P pH System Glass Diags This function allows the user to shut off the glass breakage/leak diagnostics. It does not affect the state of the remaining system diagnostics. This capability is provided to eliminate nuisance trips in electrically noisy applications, such as some plating operations.

  • Page 31: Part 5 - Calibration

    Part 5 – Calibration Overview and Methods Since the sensor slope (mV/pH output) will degrade over time, the instrument must be calibrated periodically to maintain a high degree of measurement accuracy. Frequency of calibration must be determined by the application. High temperature applications or applications involving extreme pH operating conditions may require more frequent calibration than those that operate at more neutral pH levels and ambient level temperatures.

  • Page 32: Sensor Offset

    Part 5 –Calibration Q45P pH System 5.12 Sensor Offset Sensor offset is a number that indicates sensor output (expressed in mV) in 7.00 pH buffer at 25 ºC. Ideally, the sensor will output 0 mV under these conditions. A sensor offset reading of +10 mV indicates that the sensor will output +10 mV when placed into a perfect 7.00 pH buffer at 25 ºC.
  • Page 33 Part 5 –Calibration Q45P pH System buffers are not present in this menu, the user can override the automatic values and enter arbitrary values. However, the highest accuracy is provided when the user selects and uses buffers from this pre-defined table list. With the pre- defined buffers, the temperature variations in the buffer are automatically compensated for during the calibration process.

  • Page 34: Performing A 1-Point Calibration

    Part 5 –Calibration Q45P pH System acquisition will stop only when the data remains stable for a pre-determined amount of time. This can be overridden by pressing ENTER. If the data remains unstable for 10 minutes, the calibration will fail and the message Cal Unstable will be displayed.
  • Page 35 Part 5 –Calibration Q45P pH System 2. If the sensor has been removed and placed into a buffer, allow sensor to temperature equilibrate with the buffer as much as possible. With the sensor coming from an application which differs greatly in temperature difference, the user may have to wait as much as 20 minutes.

  • Page 36: Temperature Calibration

    Part 5 –Calibration Q45P pH System Temperature Calibration The temperature input is factory calibrated for the highest accuracy. Temperature calibration is not recommended; however, it is provided for applications in which very long cable lengths are needed. For example, at 50 feet, readings may be off ±0.2 °C.

  • Page 37: Part 6 - System Maintenance

    Part 6 – System Maintenance System Checks 1. If the FAIL icon is flashing on the display, check the Fault List to determine the cause of the failure. To access the Fault List, press the MENU/ESC key until the DIAG menu appears. Then press the UP arrow key until the Fault List appears. Press the ENTER key to access the Fault List, and the highest priority fault message will be displayed.

  • Page 38: Display Messages

    Part 6 –System Maintenance Q45P pH System Display Messages The Q45 Series instruments provide a number of diagnostic messages that indicate problems during normal operation and calibration. These messages appear as prompts on the secondary line of the display or as items on the Fault List (see Section 4.11).
  • Page 39 Part 6 –System Maintenance Q45P pH System MESSAGE DESCRIPTION POSSIBLE CORRECTION Sensor High The raw signal from the sensor is too Check wiring connections to sensor. high. Sensor Low The raw signal from the sensor is too Check wiring connections to sensor.
  • Page 40 Part 6 –System Maintenance Q45P pH System MESSAGE DESCRIPTION POSSIBLE CORRECTION pH Cal Fail Failure of pH calibration. Clean sensor, get fresh cal solutions, regenerate sensor (if necessary) and redo calibration. If still failure, sensor slope may be less than 80% or offset may be out of range.

  • Page 41: Part 7 - Maintenance And Troubleshooting

    Part 7 – Maintenance and Troubleshooting Cleaning the Sensor Keep the sensor as clean as possible for optimum measurement accuracy - this includes both the saltbridge and the measuring electrode glass. Frequency of cleaning depends upon the process solution. Carefully wipe the measuring end of the sensor with a clean soft cloth. Then rinse with clean, warm water - use distilled or de-ionized water if possible.

  • Page 42: Buffer Solution

    Part 7 –Troubleshooting Q45P pH System Replacing the Saltbridge and Reference Buffer Solution 1. Hold the sensor with the process electrode pointing up. Place a cloth or towel around the saltbridge. Turn the saltbridge counterclockwise (by hand) to loosen and remove the saltbridge. Do NOT use pliers.
  • Page 43 Part 7 –Troubleshooting Q45P pH System 7.3 Troubleshooting The first step in resolving any measurement problem is to determine whether the trouble lies in the sensor or the transmitter. Since measurement problems can often be traced to dirty sensor electrode glass and/or saltbridge, cleaning the sensor using the method outlined in Section 3.1 should always be the first step in...
  • Page 44 Part 7 –Troubleshooting Q45P pH System 5. Reconnect the yellow and white wires. 6. Connect the multimeter’s positive (+) lead to the red wire and its negative (-) lead to the green wire. With the sensor in the pH 7 buffer at approximately 20-30 ºC, measure the DC millivolts.

  • Page 45: Spare Parts

    Spare Parts Part No. Description 07-0004 Q45P pH transmitter, 9 VDC, Dual 0-2.5 VDC outputs pH Sensor with 30’ cable 07-0062 05-0060 Saltbridge 05-0057 Regeneration Kit (saltbridge & fill solution) Lock/Unlock Code: 1451 O&M Manual Rev-B (7/15)
  • Page 46 PRODUCT WARRANTY Analytical Technology, Inc. (Manufacturer) warrants to the Customer that if any part(s) of the Manufacturer's products 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 47 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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