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Analytical Technology OL50LL Manual

Two-electrode conductivity monitor/analyzer
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Two-Electrode Conductivity
Home Office
Analytical Technology, Inc.
6 Iron Bridge Drive
Collegeville, PA 19426
Ph:(800) 959-0299
(610) 917-0991
Fax: (610) 917-0992
Email: sales@analyticaltechnology.com
Model Q45C2
Monitor/Analyzer
European Office
Analytical Technology
Bank Chambers, 33 Stamford St.
Mossley, Ashton-u-Lyne OL50LL
Ph:
0800-018-4020
+ 44 (0) 1457 832800
Fax:
+ 44 (0) 1457 839500
Email: sales@atiuk.com

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  • Page 1 Home Office European Office Analytical Technology, Inc. Analytical Technology 6 Iron Bridge Drive Bank Chambers, 33 Stamford St. Collegeville, PA 19426 Mossley, Ashton-u-Lyne OL50LL Ph:(800) 959-0299 0800-018-4020 (610) 917-0991 + 44 (0) 1457 832800 Fax: (610) 917-0992 Fax: + 44 (0) 1457 839500 Email: sales@analyticaltechnology.com...
  • Page 2 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 3: Table Of Contents

    Table of Contents PART 1 - INTRODUCTION ............................4 General................................4 Features................................5 Q45C2 System Specifications ........................6 Q45C2 Performance Specifications.......................8 PART 2 – ANALYZER MOUNTING ........................9 General................................9 Figure 2-1 Q45 Enclosure Dimensions, AC Powered Units (ATI-0706) .............10 Figure 2-2 Q45 Enclosure Dimensions, 2-Wire and Battery Units (ATI-0655) ...........11 Wall or Pipe Mount .............................12 Figure 2-3 Wall or Pipe mount Bracket (ATI-0707) ..................12 Figure 2-4 Wall Mounting Diagram (ATI-0709)..................13...
  • Page 4 Overview and Methods..........................44 5.11 1-Point Calibration Explained .........................44 5.12 Cell Constant Calibration Explained .......................45 5.13 Zero Calibration Explained........................45 Performing a 1-Point Calibration.........................45 Figure 5-1 NaCl Reference Solution for Calibration ..................45 Performing a Cell Constant Calibration.......................47 Performing a Sensor Zero Calibration ......................47 Temperature Calibration ..........................48 TC Factor Callibration..........................49 PART 6 –...

  • Page 5: Part 1 - Introduction

    Part 1 - Introduction General The Model Q45C2 Conductivity monitor/analyzer provides an extremely versatile measurement system for monitoring and control of resistivity/conductivity over the range of 0.056 µS/cm to 2000 µS/cm. The instrument is offered standard as a loop-powered transmitter for 2-wire DC applications. Since this system configuration operates over only two low-voltage wires, it is ideal for remote monitoring applications where line power is either unavailable or prohibitively...

  • Page 6: Features

    Q45C2 2E Conductivity System Part 1 – Introduction Features • Standard Q45C2 electronic transmitters are designed to be a fully isolated, loop powered instruments for 2-wire DC applications. Optional integral power supply card for 115/230 VAC operation, and optional battery power supply card for portable datalogging applications are available.

  • Page 7: Q45C2 System Specifications

    Q45C2 2E Conductivity System Part 1 – Introduction Q45C2 System Specifications (Common to all variations) 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 Wall, panel, pipe/header.
  • Page 8 Q45C2 2E Conductivity System Part 1 – Introduction Main Parameter Ranges Automatic or manual selection of the following: 0.00 to 20.00 MOhm 0.0 to 200.0 kOhm 0.000 to 2.000 µS 0.00 to 20.00 µS 0.0 to 200.0 µS 0 to 2000 µS (NOT common to all variations) Standard 2-Wire (Loop-powered) Transmitter: Power...

  • Page 9: Q45C2 Performance Specifications

    Q45C2 2E Conductivity System Part 1 – Introduction Q45C2 Performance Specifications (Common to all variations) Accuracy 0.1% of span or better Repeatability 0.1% of span or better Sensitivity 0.05% of span Stability 0.05% of span per 24 hours, non-cumulative Warm-up Time 7 seconds to rated performance Supply Voltage Effects ±...

  • Page 10: Part 2 - Analyzer Mounting

    Part 2 – Analyzer Mounting General All Q45 Series instruments offer maximum mounting flexibility. A bracket is included with each unit that allows mounting to walls or pipes. In all cases, choose a location that is readily accessible for calibrations. Also consider that it may be necessary to utilize a location where solutions can be used during the calibration process.
  • Page 11 Q45C2 2E Conductivity System Part 2– Analyzer Mounting MENU ENTER Figure 2-1 Q45 Enclosure Dimensions, AC Powered Units (ATI-0706) O & M Manual Revision K (01/07) - 10 -...
  • Page 12 Q45C2 2E Conductivity System Part 2– Analyzer Mounting 4.38 2.61 (111.2) (66.3) MENU ENTER 4.38 2.61 #10-32 UNF (111.2) (4 PLACES) (66.3) FRONT VIEW BACK VIEW 1" NPT (20.8) 1.23 1.23 PG-9 PORT (31.2) (31.2) (2 PLACES) 1.68 (42.7) 3.45 (87.6) BOTTOM VIEW BOTTOM VIEW...

  • Page 13: Wall Or Pipe Mount

    Q45C2 2E Conductivity System Part 2– Analyzer Mounting Wall or Pipe Mount A PVC mounting bracket with attachment screws is supplied with each transmitter (see Figure 2-3 for dimensions). The multi-purpose bracket is attached to the rear of the enclosure using the four flat head screws. instrument is then attached to the wall using the four outer mounting holes in the bracket.
  • Page 14 Q45C2 2E Conductivity System Part 2– Analyzer Mounting MENU ENTER Figure 2-4 Wall Mounting Diagram (ATI-0709) MENU ENTER Figure 2-5 Pipe Mounting Diagram (ATI-0710 O & M Manual Revision K (01/07) - 13 -...

  • Page 15: Panel Mount, 2-Wire Transmitter

    Q45C2 2E Conductivity System Part 2– Analyzer Mounting Panel Mount, 2-wire Transmitter The instrument may be panel mounted in two different ways: In the 2-wire configuration, the front half of the enclosure may be separated and mounted by itself, as shown in Figure 2-6. Note that the rear of the instrument enclosure is not utilized in this mounting scheme.

  • Page 16: Panel Mount, Ac Powered Monitor

    Q45C2 2E Conductivity System Part 2– Analyzer Mounting Panel Mount, AC Powered Monitor Panel mounting of an AC powered monitor uses the panel mounting flange molded into the rear section of the enclosure. Figure 2-7 provides dimensions for the panel cutout required for mounting. The panel mounting bracket kit must be ordered separately (part number 05- 0068).

  • Page 17: Part 3 - Electrical Installation

    Part 3 – Electrical Installation General The Q45 is powered in one of two ways, depending on the version purchased. The 2-wire version is a 16-35 VDC powered transmitter. The integral 115/230 VAC version requires line power. Please verify the type of unit before connecting any power.

  • Page 18: Two-Wire

    Q45C2 2E Conductivity System Part 4 – Configuration Take care to route sensor cable away from AC power lines, adjustable frequency drives, motors, or other noisy electrical signal lines. Do not run signal lines in the same conduit as AC power lines. Run signal cable in dedicated metal conduit if possible.
  • Page 19 Q45C2 2E Conductivity System Part 4 – Configuration Figure 3-2 Loop-Power Connection, Q45C2 Transmitter Notes: 1. Voltage between Terminals 9 and 10 MUST be between 16 and 35 VDC. 2. Earth ground into Terminal 12 is HIGHLY recommended. This connection can greatly improve stability in electrically noisy environments.

  • Page 20: Load Drive

    Q45C2 2E Conductivity System Part 4 – Configuration 3.21 Load Drive The amount of resistance that the analog output can drive in the 115/230 VAC version is fixed. However, in the two-wire configuration, the load-drive level is dependant on the DC supply voltage provided to the controller. The two-wire instrument can operate on a power supply voltage of between 16 and 35 VDC.
  • Page 21 Q45C2 2E Conductivity System Part 4 – Configuration AC powered Q45 systems are supplied with 3 cable gland fittings and two ½” conduit adapters. One of the cable glands has a larger hole in the rubber gland and should be used for the power cord entry if a flexible power cord will be used for installation.
  • Page 22 Q45C2 2E Conductivity System Part 4 – Configuration WARNING Figure 3-3 Line Power Connection (ATI-0747) The power strip, TB5, allows up to 12 AWG wire. A wire gauge of 16 AWG is recommended to allow for an easy pass-through into the ½” NPT ports when wiring.

  • Page 23: Sensor Wiring

    Q45C2 2E Conductivity System Part 4 – Configuration Two sets of SPDT relay contacts are provided on the power supply board. None of the relay contacts are powered. The user must supply the proper power to the contacts. For applications that require the same switched operating voltage as the Q45 (115 or 230 V), power may be jumpered from the power input terminals at TB5.
  • Page 24 Q45C2 2E Conductivity System Part 4 – Configuration Cord-grips used for sealing the cable should be snugly tightened after electrical connections have been made to prevent moisture incursion. When stripping cables, leave adequate length for connections in the transmitter enclosure as shown below. The standard 15 ft.

  • Page 25: Junction Box Connection

    Q45C2 2E Conductivity System Part 4 – Configuration Junction Box Connection For installations where the sensor is to be located more than 30 feet from the monitor (max. 100 feet), a junction box must be used. The junction box is shown in Figure 3-6, and is supplied with a (2) Pg 9 cord grips for sensor and interconnect wiring.

  • Page 26: Part 4 - Configuration

    Q45C2 2E Conductivity System Part 4 – Configuration Part 4 – Configuration 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 27: Keys

    Q45C2 2E Conductivity System Part 4 – Configuration 4.11 Keys All user configurations occur 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 28 Q45C2 2E Conductivity System Part 4 – Configuration 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 29: Software

    Q45C2 2E Conductivity System Part 4 – Configuration Relay Area A/B The relay area contains two icons that indicate the state of the system relays (if the relay card is installed). If the battery board is installed instead, the B icon indicates that the battery voltage is at a low level.
  • Page 30 Q45C2 2E Conductivity System Part 4 – Configuration 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 31 Q45C2 2E Conductivity System Part 4 – Configuration Functions enabled with Relay Option Card Enabled with Relay Option Card when timer is enabled (Relay B = SENS) Displayed when a concentration table is selected **** Displayed when concentration table is set to NO Figure 4-2 Software Map O &...

  • Page 32: Measure Menu [Measure]

    Q45C2 2E Conductivity System Part 4 – Configuration 4.22 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 33: Calibration Menu [Cal]

    Q45C2 2E Conductivity System Part 4 – Configuration 4.23 Calibration Menu [CAL] The calibration menu contains items for frequent calibration of user parameters. There are three items in this list: Cal Cond, Cal Temp, and Cal TC Factor. Cal Cond The conductivity calibration function allows the user to adjust the transmitter offset and span reading to match reference buffers, or to adjust the sensor offset to match the sample...

  • Page 34: Configuration Menu [Config]

    Q45C2 2E Conductivity System Part 4 – Configuration 4.24 Configuration Menu [CONFIG] The Configuration Menu contains all of the general user settings: Entry Lock This function allows the user to lock out unauthorized tampering with instrument settings. All settings may be viewed while the instrument is locked, but they cannot be modified.
  • Page 35 Q45C2 2E Conductivity System Part 4 – Configuration Set Range This function allows the User to set the displayed range of the instrument. This selected range is also the display for all other settings, such as relay setpoints, 4-20 mA output, etc. Since the operating range of the Q45C2 is determined by the cell constant of the sensor used, the following ranges are available based on the selected setting in Cell Const in the...
  • Page 36 Q45C2 2E Conductivity System Part 4 – Configuration chattering; however, it may also be used in control schemes to separate the ON/OFF trip points of the relay. Press ENTER to initiate user entry mode, and the value will flash. Use the arrow keys to modify value. Press ENTER to store the new value.
  • Page 37 Q45C2 2E Conductivity System Part 4 – Configuration Figure 4-3 Control Relay Example, Hysteresis and Two Opposite Phase Options If Relay A Mode is set to Alarm Mode, AL, then the following *Setpnt A-HI settings will appear in the Config Menu list automatically. In *Hyst A-HI this mode, two setpoints can be selected on the same relay, *Delay A-HI...
  • Page 38 Q45C2 2E Conductivity System Part 4 – Configuration If Relay B Mode is set to CON (see Relay B Mode), then *B Setpoint Relay B will function identically to Relay A. Relay B settings *B Hysteresis appear in the CONFIG menu list automatically. *B Delay *B Phasing Contrast...
  • Page 39 Q45C2 2E Conductivity System Part 4 – Configuration modify the value; selections include SENS for sensor input or F25 for fixed at 25 °C. Press ENTER to store the new value. Select TC This function allows the user to select either a Pt1000 or Pt100 platinum RTD temperature element.
  • Page 40 Q45C2 2E Conductivity System Part 4 – Configuration “Temp Mode” is set to Lin. Linear compensation is the method recommended for most aqueous solutions, and the value is typically 2.00 %/°C (25°C reference temperature) for neutral water. This is the factory default and it provides the best compensation for most aqueous solutions.

  • Page 41: Diagnostics Menu [Diag]

    Q45C2 2E Conductivity System Part 4 – Configuration 4.25 Diagnostics Menu [DIAG] The diagnostics menu contains all of the user settings that are specific to the system diagnostic functions, as well as functions that aid in troubleshooting application problems. Set Hold The Set Hold function locks the current loop output values on the present process value.
  • Page 42 Q45C2 2E Conductivity System Part 4 – Configuration Faults are not stored; therefore, they are immediately removed if power is cycled. If the problem causing the faults still exists, however, faults will be displayed again after power is re-applied and a period of time elapses during which the diagnostic system re-detects them.
  • Page 43 Q45C2 2E Conductivity System Part 4 – Configuration Fail Out This function enables the user to define a specified value that the main current output will go to under fault conditions. When the Relay Option Board is installed, the display will read Fail Out #1.
  • Page 44 Q45C2 2E Conductivity System Part 4 – Configuration icon to be displayed on the LCD. Using this mode allows the User to send alarm indications to other remote devices. The AL setting allows two setpoints to be selected for the same relay, producing a HI-LO alarm band.

  • Page 45: Part 5 - Calibration

    Part 5 – Calibration Overview and Methods Calibration of the Q45C2 is required to accurately match the sensor characteristics to the monitor/analyzer. Since the output of the conductivity sensor does not degrade over time, it is typically only required that the sensor be calibrated at initial installation and then cleaned periodically, to maintain proper system accuracy.

  • Page 46: Cell Constant Calibration Explained

    Q45C2 2E Conductivity System Part 5 – Calibration 5.12 Cell Constant Calibration Explained In a cell constant calibration, the User simply enters the known cell constant of the sensor. This value is labeled on the sensor along with the TC factor value. It is the recommended method of calibration for highest accuracy.
  • Page 47 Q45C2 2E Conductivity System Part 5 – Calibration During the 1-point calibration, the User must be careful to calibrate with a solution that falls into the measuring range selected. If the calibration solution is outside the measuring range, an error will result. Procedure Determine whether the calibration will be done on-line or with the sensor removed and placed into a reference solution.

  • Page 48: Performing A Cell Constant Calibration

    Q45C2 2E Conductivity System Part 5 – Calibration Performing a Cell Constant Calibration The Cell Constant calibration method utilizes a factory measured cell constant for the sensor. No solutions are required for a cell factor calibration. The cell constant represents the physical electrode characteristics of the sensor. The surface area of the electrodes, the spacing of the electrodes and the sensor cable all contribute to cell constant of the sensor.

  • Page 49: Temperature Calibration

    Q45C2 2E Conductivity System Part 5 – Calibration 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 50: Tc Factor Callibration

    Q45C2 2E Conductivity System Part 5 – Calibration TC Factor Calibration This function is intended to give the user direct control of the temperature calibration offset value without having to proceed through the temperature calibration procedure. Sensor TC offset is a number that indicates the sensor RTD output at 0 ºC.

  • Page 51: Part 6 - System Maintenance

    Part 6 – System Maintenance WARNING: EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2. 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.

  • Page 52: Instrument Checks

    Q45C2 2E Conductivity System Part 6 – System Maintenance Instrument Checks Remove sensor completely and connect 1100 Ohms from the blue to white sensor input leads. Make sure the unit is configured for a Pt1000 thermal element and that the temperature is not in manual locked mode. The temperature reading should display approximately 25 °C and the conductivity reading should display approximately 0.0 uS.
  • Page 53 Q45C2 2E Conductivity System Part 6 – System Maintenance TC-F25 lock! The TC selection is in F25 mode, Calibration and TC adjustment cannot be locked at 25 ºC performed while the TC is in F25 mode. To allow access to TC calibrations, change TC mode from F25 (fixed 25) to SENS (sensor).
  • Page 54 Q45C2 2E Conductivity System Part 6 – System Maintenance Fault List display messages (continued): MESSAGE DESCRIPTION POSSIBLE CORRECTION Cond Cal Fail Failure of conductivity calibration. Clean sensor, get fresh cal solutions and redo calibration. If still failure, sensor slope may be less than 70% or greater than 130%.

  • Page 55: Spare Parts

    Spare Parts Part No. Description 07-0056 0.05 Cell, Titanium, ½”NPT Compression fitting (1000 RTD) 63-0029 1.00 Cell, 316SS, ½”NPT (100 RTD) 63-0040 1.00 Cell, 316SS, ¾”NPT In-line fitting (100 RTD) 63-0059 0.50 Cell, 316SS, ¾”NPT In-line fitting, high T/P (1000 RTD) 63-0060 0.50 Cell, 316SS, 1½”...

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