Teledyne 6712 Pocket Manual
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Teledyne 6712 Pocket Manual

Teledyne 6712 Pocket Manual

Portable sampler
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6712 Sampler
This pocket guide is not intended to replace
the instruction manual. Read the instruction
manual thoroughly before operating the
sampler.
COPYRIGHT © 2001-2003 by
Teledyne Isco, Inc., 4700 Superior St.,
Lincoln, Nebraska, U.S.A. 68504
Phone: (402) 464-0231
Toll Free: (800) 228-4373
FAX: (402) 465-3022
Part #69-9003-589
Issued: January, 2001
Revision C, December 2003

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  • Page 1 This pocket guide is not intended to replace the instruction manual. Read the instruction manual thoroughly before operating the sampler. COPYRIGHT © 2001-2003 by Teledyne Isco, Inc., 4700 Superior St., Lincoln, Nebraska, U.S.A. 68504 Phone: (402) 464-0231 Toll Free: (800) 228-4373 FAX: (402) 465-3022...

  • Page 3: Table Of Contents

    6712 Sampler Table of Contents 1. Programming 1.1 Getting Started ....1-3 1.2 Using Menus and Entering Numbers 1-4 1.2.1 Selecting Menu Options ..1-4 1.2.2 Entering Numbers .
  • Page 4 6712 Sampler 2.6 Running Programs ....2-9 2.7 Interrupting a Running Program . . . 2-9 2.8 Run Time Screens ....2-10 2.8.1 Module and SDI-12 Sonde...

  • Page 5: Programming

    6712 Sampler Section 1 Programming Before programming the 6712, you should become familiar with its keys and how to use the programming screens. A description of the keys appears in Table 1-1. Table 1-1 Keypad and Connector Icons Icon Function On-Off Turns sampler on or off.
  • Page 6 6712 Sampler Table 1-1 Keypad and Connector Icons Icon Function Down-Right Selects the menu option right or below the current choice. Up-Left Selects the menu option left or above the current choice. Numbers Types a number. Decimal Point Types a decimal point.

  • Page 7: Getting Started

    Turn the sampler on by pressing the On/Off key. It is labeled with this icon: . The start up screen appears first. 6712 SAMPLER STANDARD PROGRAMMING For HELP at any SCREEN PRESS ? KEY. It remains on the display for about 8 seconds or until you press a key.

  • Page 8: Using Menus And Entering Numbers

    6712 Sampler 1.2 Using Menus and Entering Numbers A menu is a list of options. The main menu has four options: • Run • View Report • Program • Other Functions 1.2.1 Selecting Menu Options In menu screens, one menu option always blinks.
  • Page 9 Example 1-1 Programming One Sample every 15 Minutes, One Sample in Each Bottle Using Normal Programming Style, no module attached. 6712 SAMPLER STANDARD PROGRAMMING For HELP at any SCREEN PRESS ? KEY. This screen disappears on its own after 8 seconds.
  • Page 10 6712 Sampler Example 1-1 Programming (Continued) NUMBER OF BOTTLES: Select 24. Press Enter. BOTTLE VOLUME IS 1000 (300-30000) Type the volume for the bottles in your kit. For this example, 1000 is correct, so simply press Enter. SUCTION LINE LENGTH...
  • Page 11 Section 1 Programming Example 1-1 Programming (Continued) TIME BETWEEN SAMPLE EVENTS 0 HOURS, 15 MINUTES ↵ Type 0 for hours and press (Enter). Type 15 for minutes and press Enter. SEQUENTIAL BOTTLES/SAMPLE SAMPLES/BOTTLE Select SEQUENTIAL by pressing an arrow until the option SEQUENTIAL blinks.
  • Page 12 6712 Sampler Example 1-1 Programming (Continued) NO DELAY TO START DELAYED START CLOCK TIME Select DELAYED START by pressing an arrow until the option blinks. Then, press Enter. FIRST SAMPLE AFTER A MINUTE DELAY (1-999) Type the delay period you want between the time you run the program and the time the sampler takes the first sample.

  • Page 13: Clock And Calendar Entry Screens

    Section 1 Programming 1.2.3 Clock and Calendar Entry Screens When setting the clock and calendar, use a 24 hour clock for times and the day-month-year format for dates. • To move without changing the setting, press the arrow keys. • Change the setting by typing a new number.
  • Page 14 6712 Sampler Example 1-2 Setting the Clock and Calendar PROGRAM VIEW REPORT OTHER FUNCTIONS Select OTHER FUNCTIONS. MAINTENANCE MANUAL FUNCTIONS MODULE Select MAINTENANCE. SET CLOCK PUMP TUBE ALARM INTERNAL BATTERY DIAGNOSTICS Select SET CLOCK. ENTER TIME AND DATE: HH:MM DD-MON-YY...

  • Page 15: Quick View Screens

    Section 1 Programming 1.3 Quick View Screens Quick view screens are a special type of menu screen. They show the current program settings and let you move quickly through the program. You must change the programming style to QUICK VIEW/CHANGE to see the quick view screens.

  • Page 16: Changing Settings In A Quick View Screen

    To change the program settings in a quick view screen, press an arrow until the setting blinks. Press Enter. The 6712 then displays the screen used to change the setting. When you change a setting, the sampler stores the new settings and returns to the updated quick view screen.

  • Page 17: Help Notes

    BOTTLE VOLUME IS 3500 ml (300-30000) WARNING! STANDARD BOTTLE VOLUME EXCEEDED! The 6712 does accept nonstandard volumes. For a list of recommended volumes, press the Help key at screen b or refer to the manual. 1-13...

  • Page 18: Changing To And From Extended And Standard Screens

    1.6 Changing to and from Extended and Standard Screens At the main menu, type “6712.2” to show the Extended Programming screens. At the main menu type 6712.1 to show the Standard Programming screens. 1.7 Storage For Extended...
  • Page 19 6712 SAMPLER, EXTENDED PROGRAMMING For HELP at any SCREEN, PRESS ? KEY. If “STANDARD PROGRAMMING” appears on the second line of the start up message, type 6712.2 at the main menu. RUN “EXTENDED 1” PROGRAM VIEW REPORT OTHER FUNCTIONS Select PROGRAM from the main menu.

  • Page 20: Programming The Modules

    6712 Sampler Example 1-4 Selecting a Stored Extended Program (Continued) “EXTENDED 1” “EXTENDED 2” “EXTENDED 3” “EXTENDED 4” Select the name of the extended program you want to use. • • • PROGRAMMING COMPLETE RUN THIS PROGRAM NOW? Select NO.

  • Page 21: Programming Sdi-12 Sondes

    Section 1 Programming module. Menu charts for the modules appear in the manuals shipped with each module. For more information about programming modules, refer to the manual provided with the module. 1.9 Programming SDI-12 Sondes The sampler’s extended programming screens can be modified for optional SDI-12 Sondes.
  • Page 22 6712 Sampler If you select a new program, the sampler will ask “PROGRAM CHANGE -- STORED DATA WILL BE LOST! ARE YOU SURE? YES NO.” • Select YES to select the program. The sampler will erase all stored data relating to rain and module partitions.

  • Page 23: Programming Examples

    Pacing: Flow pacing, two pulses. Distribution: 2 bottles per sample. Sample volume: 250 milliliters. Start time: Clock time, 6:00 a.m. on Monday, Wednesday, Friday. Module: No module installed. 6712 SAMPLER STANDARD PROGRAMMING For HELP at any SCREEN PRESS ? KEY. PROGRAM VIEW REPORT OTHER FUNCTIONS Select PROGRAM.
  • Page 24 6712 Sampler Example 1-5 Standard Program (Continued) SITE DESCRIPTION “SITE 29 “ CHANGE Select NO. NUMBER OF BOTTLES Select 24. BOTTLE VOLUME IS 1000 ml (300-30000) Enter 1000. SUCTION LINE LENGTH 7 ft (3-99) Enter 7. TIME PACED FLOW PACED Select FLOW PACED.
  • Page 25 Section 1 Programming Example 1-5 Standard Program (Continued) FLOW BETWEEN SAMPLE EVENTS: 2 PULSES (1-9999) Enter the number of pulses between sample events. SEQUENTIAL BOTTLES/SAMPLE SAMPLES/BOTTLE Select BOTTLES/SAMPLE. 2 BOTTLES PER SAMPLE EVENT (1-24) Enter 2. RUN CONTINUOUSLY? Select NO. SAMPLE VOLUME: (10-1000) Enter 250.
  • Page 26 6712 Sampler Example 1-5 Standard Program (Continued) NO DELAY TO START DELAYED START CLOCK TIME Select CLOCK TIME. START FLOW COUNT AT: 06:00 Enter 0, then enter 6. This is the time at which the sampler will start the pacing countdown.

  • Page 27: Operation

    6712 manual. d. Check the pump tube. Replace it if necessary and reset the Pump Tube Warning. Use only 6712 pump tubing, identified by the blue alignment collars. e. Attach the suction line to the pump tube. f. Attach a strainer to the suction line if necessary.

  • Page 28: Installing Distributor Arm

    Replace the sample bottles. f. Run the sampling program. 2.2 Installing Distributor Arm All 6712 Samplers use the same adjustable distributor arm. The two-piece arm is marked with positions A, B, C, and D. Table 2-1 shows the arm positions and the discharge tube...
  • Page 29 Section 2 Operation lengths for each bottle kit. Adjust the distributor arm. Thread the discharge tube through the arm so the tube protrudes inch. Slide the arm onto the distributor shaft and secure it with the black plastic nut. When using the refrigerator make sure the correct distributor shaft extension is installed.
  • Page 30 6712 Sampler Table 2-1 Distributor Arm Positions and Discharge Tube Lengths Standard 350 ml " 24 Bottle Kit Glass (43.8 cm) 1,000 ml Plastic Standard 950 ml " 12 Bottle kit Glass (41.9 cm) 1,000 ml Plastic Standard 1.8 L "...
  • Page 31 Section 2 Operation Table 2-1 Distributor Arm Positions and Discharge Tube Lengths Refrigerator 350 ml 20" 24 Bottle Kit Glass (50.8 cm) 1,000 ml Plastic Refrigerator 2.5 L 20" 12 Bottle kit Plastic (50.8 cm) Refrigerator 1.8 L 20" 8 Bottle Kit Glass (5.8 cm) 2.0 L...

  • Page 32: Installing Bottle Kits

    6712 Sampler 2.3 Installing Bottle Kits When installing bottles or a new kit, keep these guidelines in mind: • Do not mix glass and plastic bottles together. • Install all bottles to insure that they remain in place. • Align the bottles correctly. If the bottles...

  • Page 33: Positioning A Sampler

    Section 2 Operation 2.4 Positioning a Sampler • Place the sampler on a flat horizontal surface. The refrigerator has leveling feet that can be adjusted to keep the refrigerator level. • Be sure the vertical distance between the liquid and the pump is as small as possible.

  • Page 34: Connecting An External Instrument

    6712 Sampler Note The suction lines float when filled with air from the purge cycles and when installed at depths exceeding the maximum depths listed here. Secure the lines when installing them at depths greater than the maximums. Teflon suction line is compatible only with the 1 inch diameter, stainless steel strainer.

  • Page 35: Rain Gauge Connector

    Section 2 Operation 2.5.2 Rain Gauge Connector Connect the rain gauge or SDI-12 Sonde connect cables to the nine-pin Rain Gauge Connector. (Samplers with a four-pin Rain Gauge Connector can only accept a rain gauge.) When both devices are necessary, Y cables are available.

  • Page 36: Run Time Screens

    6712 Sampler bottle. There are some things to consider before you run the program again: • When you press Stop, the sampler records a “USER STOPPED” program event as the last event in memory. If the sampling data recorded by the sampler is important, be sure to collect it before you run the program again.

  • Page 37: Module And Sdi-12 Sonde Readings

    Section 2 Operation When the sampler needs to report multiple messages, it alternates them. 2.8.1 Module and SDI-12 Sonde Readings Samplers with an attached module will display the module’s readings. Readings usually appear on the third and fourth lines of the display. The SDI-12 data screen alternates with the sampler and module screen.

  • Page 38: Fatal Error

    6712 Sampler • Bottle Full • Sample In Progress The sampler may encounter more than one error during a program. It records each error and the time it occurred in the Sampling Results and Combined Results report. It alerts you to the errors by displaying the message, “ERRORS HAVE OCCURRED DURING...

  • Page 39: Viewing The Data

    Section 2 Operation 2.11 Viewing the Data • For the Sampling Report, the sampler displays each program event, one at a time. • For the Module and Rainfall Data reports, it displays daily summaries, instead of the full reports available with the RTD, FLOWLINK, or SAMPLINK.

  • Page 40: Configuring Reports

    6712 Sampler 2.12 Configuring Reports The Configure Report option allows you to specify which of the Sampling Reports will be included in any output request. • SAMPLINK REPORT provides the sampling reports, but disables the output of the detailed partition data.

  • Page 41: Grab Samples

    Section 2 Operation 2.13 Grab Samples Grab samples let you take a single sample on demand. • When the sampler delivers a grab sample, it runs through a complete sampling cycle, using the current settings for volume and for line rinses or retries.
  • Page 42 6712 Sampler Example 2-1 Taking a Manual Sample PROGRAM VIEW REPORT OTHER FUNCTIONS Select OTHER FUNCTIONS. MAINTENANCE MANUAL FUNCTIONS PROGRAMMING STYLE Select MANUAL FUNCTIONS. GRAB SAMPLE CALIBRATE VOLUME OPERATE PUMP MOVE DISTRIBUTOR Select GRAB SAMPLE. SAMPLE VOLUME: ___ ml (10-9990) Enter the desired volume.

  • Page 43: Calibrating

    Section 2 Operation Example 2-1 Taking a Manual Sample PUMPING 200 ml PURGING SUCTION LINE GRAB SAMPLE CALIBRATE VOLUME OPERATE PUMP MOVE DISTRIBUTOR Press Stop to return to the main menu. 2.14 Calibrating The sampler delivers accurate sample volumes without calibration. If you find that sample volumes vary significantly from the programmed values, first check the suction line for proper installation.

  • Page 44: Calibration Tips

    6712 Sampler You may want to calibrate when: • A new pump tube is installed. Run the pump for five minutes before calibrating. • The sample source is above the sampler. • Sampling from a pressurized line. 2.14.1 Calibration Tips •...
  • Page 45 Section 2 Operation Example 2-2 Calibrating a Sample PROGRAM VIEW REPORT OTHER FUNCTIONS Select OTHER FUNCTIONS. MAINTENANCE MANUAL FUNCTIONS PROGRAMMING STYLE Select MANUAL FUNCTIONS. GRAB SAMPLE CALIBRATE VOLUME OPERATE PUMP MOVE DISTRIBUTOR Select CALIBRATE VOLUME. SAMPLE VOLUME: ___ ml (100-9990) Enter the desired volume.
  • Page 46 6712 Sampler Example 2-2 Calibrating a Sample (Continued) PUMPING 200 ml PURGING SUCTION LINE VOLUME DELIVERED: ____ml Measure the volume delivered and enter the amount here. 200 ml! ARE YOU SURE? This screen appears when the amount you entered in step 9 was more than twice, or less than half, the programmed volume.

  • Page 47: Reference

    3.1 Replacing the Pump Tube Replace the pump tube only with Teledyne Isco’s 6712 pump tubing. Other types of pump tubes will not work. The 6712 pump tube is easily recognized by the blue alignment collars. Also note that the discharge tube is not the same as tubing as the pump tube.

  • Page 48: Checklist For Replacing Pump

    6712 Sampler After replacing the pump tube, reset the count to zero so that the sampler can begin tallying the counts for the new tube. Example 8 shows how to reset the pump counts. Replacing the tube does not reset the counter.
  • Page 49 Section 3 Reference Example 3-1 Resetting the Pump Tube Warning PROGRAM VIEW REPORT OTHER FUNCTIONS Select OTHER FUNCTIONS. MAINTENANCE MANUAL FUNCTIONS PROGRAMMING STYLE Select MAINTENANCE. SET CLOCK PUMP TUBE ALARM INTERNAL BATTERY DIAGNOSTICS Select PUMP TUBE ALARM. 1024000 PUMP COUNTS, WARNING AT 1000000 The sampler displays this screen briefly to give you the current pump...

  • Page 50: Tube

    6712 Sampler Example 3-1 Resetting the Pump Tube Warning (Continued) To reset the counter to zero, select YES. Always reset the counter after replacing a pump tube. Select NO when merely checking the current count. WARNING AT 1000000 PUMP COUNTS...

  • Page 51: Rinses And Retries

    Section 3 Reference 3.2 Rinses and Retries Rinses and retries are in extended programming only. The number of rinses can be set from 0 to 3. The number of retries can also be set from 0 to 3. 3.3 Pacing Sample pacing is the rate at which the sampler takes samples.

  • Page 52: Distribution

    6712 Sampler 3.4 Distribution 3.4.1 Sequential In sequential distribution, the sampler deposits one sample in each bottle. A sequential sample represents a “snapshot” of the flow stream at a point in time. Figure 3-1 Sequential Distribution Standard Programming DISTRIBUTION: SEQUENTIAL...
  • Page 53 Section 3 Reference 1 BOTTLES PER SAMPLE EVENT (1-24) SWITCH BOTTLES ON: NUMBER OF SAMPLES TIME SWITCH BOTTLES EVERY 1 SAMPLES (1-50) RUN CONTINUOUSLY?

  • Page 54: Bottles Per Sample

    6712 Sampler 3.4.2 Bottles Per Sample In bottles per sample distribution, the sampler deposits a sample in each of a set of bottles. A bottle set includes at least two bottles and may include all bottles. Use this method when the...
  • Page 55 Section 3 Reference Extended Programming DISTRIBUTION: 2 BOTTLES/SAMPLE 2 BOTTLES PER SAMPLE EVENT (1-24) SWITCH SETS ON: NUMBER OF SAMPLES TIME SWITCH SETS EVERY SAMPLES (1-50) RUN CONTINUOUSLY?

  • Page 56: Samples Per Bottle

    6712 Sampler 3.4.3 Samples Per Bottle In samples per bottle distribution, the sampler deposits samples from several sample events in a single bottle before moving to the next bottle. Use this method to collect a series of small composite samples.
  • Page 57 Section 3 Reference Extended Programming DISTRIBUTION: 2 SAMPLES/BOTTLE 1 BOTTLES PER SAMPLE EVENT (1-24) SWITCH BOTTLES ON: NUMBER OF SAMPLES TIME SWITCH BOTTLES EVERY ___ SAMPLES (1-50) RUN CONTINUOUSLY? 3-11...

  • Page 58: Composite

    6712 Sampler 3.4.4 Composite For single bottle configurations, samples per bottle distribution is known as composite sampling. A composite sample represents an average of the flow stream’s characteristics during the sampling period. 3.4.5 Multiple Bottle Compositing Multiple bottle compositing is a combination of bottles per sample and samples per bottle.

  • Page 59: Start Times

    Section 3 Reference A sampler running either a standard or extended program can rely on an external input for enable or disable controls. Input from a rain gauge, an input pin, or a SDI-12 module may be used when programming enable conditions. Any combination of up to two conditions can be programmed.
  • Page 60 6712 Sampler Figure 3-4 Delayed Start Time Select “Run” from the Start-up Menu. –T Delay to Start Time Program’s Start Time. Sampling progress begins at this point. Each program contains start time settings that tell the sampler when to begin the program.
  • Page 61 Section 3 Reference Figure 3-5 Enable Settings Time Description Select RUN from the Start-up Menu. –T During the delay, the sampler ignores disable signals from a flow meter, flow logger, a 700 Series Module, rain gauge or I/O pin. Programmed Start Time 3-15...
  • Page 62 6712 Sampler Time Description The sampler is enabled at the Programmed Start Time. A Sample event at the start time always occurs for all time-paced programs except “random.” For flow-paced programs, it occurs when the program requires a sample at the start time.

  • Page 63: Operating The Pump

    Section 3 Reference 3.7 Operating the Pump The pump can be operated manually. The sampler will display the number of pump counts during the pump’s operation. This feature will estimate the pump counts needed to purge a suction line. Example 3-2 Operating the Pump GRAB SAMPLE CALIBRATE VOLUME OPERATE PUMP...

  • Page 64: Moving The Distributor Arm

    6712 Sampler 3.8 Moving the Distributor Arm The sampler lets you reposition the distributor arm. Use this feature when installing a bottle kit. Use the steps shown in the example. CAUTION DO NOT rotate the distributor arm manually; this will severely damage the distributor drive.

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