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Hach SD900 User Manual

Portable sampler
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DOC026.53.80437
SD900 Portable Sampler
02/2015, Edition 2
User Manual

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Summary of Contents for Hach SD900

  • Page 1 DOC026.53.80437 SD900 Portable Sampler 02/2015, Edition 2 User Manual...

  • Page 3: Table Of Contents

    Table of Contents Specifications ......................3 General information ....................4 Safety information ......................5 Use of hazard information ..................5 Precautionary labels ..................... 5 Certification ......................5 Product overview ......................6 Product components ....................7 Installation ........................8 Confined space precautions ..................8 Mechanical installation ....................
  • Page 4 Table of Contents Start or stop a program ....................24 View the program status .................... 24 Manual operation ....................... 24 Collect a grab sample ..................24 Move the distributor arm ..................25 Start or stop the pump ..................25 View data ........................25 View the sample history ..................

  • Page 5: Specifications

    Specifications Specifications are subject to change without notice. SD900 Portable Sampler Specification Standard base Compact base Composite base Dimensions Diameter: 50.5 cm (19.9 in.) Diameter: 44.1 cm (17.4 in.) Diameter: 50.28 cm (19.8 in.) Height: 69.4 cm (27.3 in.) Height: 61 cm (24 in.) Height: 79.75 cm...

  • Page 6: General Information

    Specification Details Storage/operating humidity 100% condensing Pump Peristaltic high speed, with spring-mounted Nylatron rollers Pump enclosure IP37 Pump tubing 9.5 mm ID x 15.9 OD mm ( in. ID x in. OD) silicone Pump tubing life 20,000 sample cycles with: 1 L (0.3 gal) sample volume, 1 rinse, 6 minute pacing interval, 4.9 m (16 ft) of in.

  • Page 7: Safety Information

    Safety information N O T I C E The manufacturer is not responsible for any damages due to misapplication or misuse of this product including, without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent permitted under applicable law.

  • Page 8: Product Overview

    Fire hazard. This product is not designed for use with flammable liquids. The SD900 Portable Sampler collects liquid samples at specified intervals and keeps the samples in bottles or containers. Use the sampler for a wide variety of aqueous applications and for toxic pollutants and suspended solids.

  • Page 9: Product Components

    Figure 1 Product overview 1 Compact base 6 Controller connections 2 Standard insulated base 7 Pump 3 Center section 8 Controller 4 Power source 9 Liquid sensor 5 Top cover 10 Standard insulated base for 21-L (5.5 gal) container Product components Make sure that all components have been received.

  • Page 10: Installation

    Installation D A N G E R Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document. Confined space precautions D A N G E R Explosion hazard. Training in pre-entry testing, ventilation, entry procedures, evacuation/rescue procedures and safety work practices is necessary before entering confined spaces.

  • Page 11: Install The Sampler In A Manhole

    Install the sampler in a manhole Install the sampler above the sample water in a manhole. Install the sampler with a spanner bar or a support bracket. Install the spanner bar inside the manhole. The spanner bar is supported by pressure against the walls.

  • Page 12: Install Multiple Bottles

    Figure 4 Bottle number 1 installation 1 Bottle number 1 location (compact base) 6 Elastic straps 2 Bottle number 1 location for 24 bottles 7 Standard insulated base for 21 L (5.5 gal) bottle 3 Bottle number 1 location for 8 bottles 8 Standad insulated base 4 Bottle number 1 location for 2 or 4 bottles 9 Compact base...

  • Page 13: Plumb The Sampler

    Figure 5 Multiple bottle installation 1 Positioner/retainer (2347) 8 Glass bottles, 3.8 L (1 gal), (4x) (2216) or polyethylene bottles, 3.8 L (1 gal), (4x) (2217) 2 Retainer (1422) 9 Glass bottles, 1.9 L (0.5 gal), (8x) (1118) or polyethylene bottles, 2.3 L (0.61 gal), (8x) (657) 3 Retainer (2190) 10 Polyethylene bottles, 1 L (0.26 gal), (24x) (737) 4 Retainer (2189)

  • Page 14: Electrical Installation

    Figure 6 Instrument installation 1 Strainer 3 Intake tube 2 Vertical lift Figure 7 Intake tube installation Electrical installation Controller connections W A R N I N G Electrical shock hazard. Externally connected equipment must have an applicable country safety standard assessment.

  • Page 15: Connect A Flow Meter

    Figure 8 Controller connectors 1 Auxiliary device 4 SDI-12 device option 2 Power supply 5 Distributor/full bottle shut-off 3 Serial communications Connect a flow meter Connect a flow meter to the controller to start or stop the sampler when the sample flow goes above or below a specified value.

  • Page 16: Connect An Sdi-12 Device

    Connect an SDI-12 device N O T I C E Measurement errors can occur due to electrical transients from sources such as lightning or large electrical motors. These errors can cause unexpected sample acquisition or a missed sample when the controller is programmed for setpoint sampling based on sonde measurements.

  • Page 17: Calculate The Pump Cycle Time

    W A R N I N G Electric shock hazard. The power supply can overheat when the time between pump cycles is too short. N O T I C E Make sure that the pump cycle time will not cause the power supply to overheat. Refer to Calculate the pump cycle time on page 15.

  • Page 18: Close The Cover

    Figure 11 Pump on and off times at 50 °C (122 ºF) 1 Time (in minutes) that the pump must stay off 3 Example: if the pump is on continuously for 5 minutes, the pump must stay off for 15 minutes. 2 Time (in minutes) that the pump is on continuously Close the cover To close the cover, align the latch plates as shown in...

  • Page 19: Operation

    Figure 13 Controller keypad 1 POWER 5 MENU 9 STATUS 2 VOLUME CALIBRATION 6 ENTER 10 RUN/HALT PROGRAM 3 STOP 7 BACK 11 MANUAL OPERATION 4 LED 8 ARROW KEYS Operation Main menu overview The main menu contains four options for sampler operation, monitoring or data management. Table 1 Sampler menu overview Menu option Description...

  • Page 20: Configure The Sdi-12 Device

    Option Description Setup base Select the sampler base (All weather refrigerated, refrigerated, portable standard or portable compact). Language Select the language of the controller. Liq sensor cal Calibrate the liquid sensor or set to default. Set contrast Adjust the contrast of the LCD screen. Pump duty cycle Change the pump duty cycle.

  • Page 21: Set Up A Sampling Program

    Table 2 Supported measurements (continued) Measurement Unit Resolution Ext. Sonde Pwr V, % x.xxxx HOCl ppm, V x.xxxx Int. Sonde Pwr V, % x.xxxx Level m, ft, psi x.xxx NH3+NH4 mg/L-N x.xxxx Nitrate (NO3-) mg/L-N, mV x.xx µE/S/n2 x.xxxx pH unit x.xx Phycocyanin cells/mL, mV...
  • Page 22 Option Description Intake tubing Tubing length: the length of the intake tubing from the strainer to the liquid sensor. Range: 100–3000 cm or 3–99 ft. An accurate length is necessary to get an accurate sample volume. Intake tube type: the diameter and material of the intake tubing (¼ in. vinyl, 3/8 in. vinyl or 3/8 in.

  • Page 23: Time Based Collection

    Time based collection 1. Select or enter the values for each option. Option Description Pacing interval Collect samples at regular time intervals, in hours and minutes (0:01–999:00). Take first sample The program starts immediately or after the first interval. Variable volume Specify whether the sample volumes vary (flow based).

  • Page 24: Use 4-20 Ma Input For The Flow Source

    Option Description Time The maximum time between samples (0:01–999:00). The timer starts again after each sample is collected. Take first sample The program starts immediately or after the first time interval. Use 4–20 mA input for the flow source 1. Select or enter the values for each option. Option Description Select unit...

  • Page 25: Constant Time Variable Volume (Ctvv) Sampling

    1. Push MENU. 2. Go to PROGRAM SETUP>RESTORE. 3. Select YES. Constant Time Variable Volume (CTVV) sampling CTVV samples are taken at user-specified constant (fixed) time intervals. However, the actual volume of each sample is based on the: • Known average flow rate of the site •...

  • Page 26: Start Or Stop A Program

    Start or stop a program Use the RUN/HALT PROGRAM key to start or stop a program. Up to 12 user-defined start/stop times/dates can be set. A program must be stopped before the program or system setup can be changed. The status reads RUNNING (while a program runs) or HALTED (when temporarily stopped by the user).

  • Page 27: Move The Distributor Arm

    3. Push MANUAL OPERATION. 4. Select GRAB SAMPLE. 5. Enter the volume to collect and push ENTER. Note: The grab sample volume can only be changed if the liquid sensor is enabled. The intake tubing is purged and then the specified volume of sample is collected. The intake tube is purged again.

  • Page 28: View The Event Log

    1. Select DIAGNOSTICS>SAMPLE HISTORY from the main menu to view the sample history. 2. The sample history shows the sample numbers, bottle numbers and brief result for each sample. Select a sample from the list and push ENTER to view the complete details. View the event log View the event log to see details about the events that have been recorded.

  • Page 29: Volume Calibration

    The measurement status screen shows current measurement of each channel on the sonde which includes the measurement name and unit assigned to each specific channel. The measurements will be updated based on the user-defined scan interval. Navigation arrows on the screen indicate whether additional channel information is available.

  • Page 30: Calibrate The Sample Volume Manually

    6. When the sample has been collected, select DONE. Compare the volume of the sample in the graduated cylinder with the sample volume that is entered in the program setup menu. 7. If the volume that was collected is different from the sample volume in the current program, enter the volume that was actually collected.

  • Page 31: Activate The Full Bottle Shutoff

    Activate the full bottle shutoff The full bottle shutoff option must be activated before it can be enabled. After activation, the option remains available until the controller firmware is upgraded. After a firmware upgrade, the full bottle option must be activated again. 1.

  • Page 32: Full Bottle Shutoff And Timed Bottle Mode

    • RESUME—Continue the program from where it halted • START OVER—Start the program from the beginning • END PROGRAM—Stop the program • CANCEL—Stay in the halted state If RESUME is selected, the display shows a BOTTLES EMPTIED? message. Select YES or NO: •...

  • Page 33: Send Output Signal With Sample Cycle (Special Output)

    Send output signal with sample cycle (special output) The special output option sends a 12 VDC signal through pin E of the auxiliary connector during or after a sample cycle. There are five possible configurations: • After cycle—4-second pulse at the end of each sample cycle. This option is used to signal an external device that a sample cycle is complete.

  • Page 34: Set Multiple Start And Stop Times

    Each trigger can be defined as a high or low setpoint. Additionally, an optional deadband value can be set. A deadband prevents the trigger from rapidly changing between active and inactive states when the measurement value is near the setpoint. Refer to Figure 1.

  • Page 35: Collect First Flush Stormwater Samples

    5. Enter the time (24-hour format) and date for the first stop time. 6. Continue to add start and stop times as necessary. Collect first flush stormwater samples The stormwater option collects first flush (FF) samples or initial runoff during storm conditions when pollutants are typically at high concentrations.

  • Page 36: Timed Bottle Sets

    1. Select PROGRAM SETUP>MODIFY SELECTED>ADV SAMPLING from the main menu. 2. Select VARIABLE INTVL>ENABLE. 3. Enter the time or count interval between each sample cycle and push ENTER to save the interval. Up to 99 intervals can be entered. Timed bottle sets The timed bottle option makes a single sampler operate like multiple samplers.

  • Page 37: Clean The Instrument

    D A N G E R Electrocution hazard. Remove power from the instrument before doing maintenance or service activities. W A R N I N G Biohazard exposure. Obey safe handling protocols during contact with sample bottles and sampler components. W A R N I N G Multiple hazards.

  • Page 38: Pump Maintenance

    Figure 16 Desiccant cartridge 1 Plug 3 O-ring 2 Desiccant tube 4 Desiccant window Pump maintenance C A U T I O N Pinch hazard. Remove power from the instrument before maintenance or service activities are done. Replace the pump tubing N O T I C E Use of tubing other than that supplied by the manufacturer can cause excessive wear on mechanical parts and/or poor pump performance.
  • Page 39 Figure 17 Pump tubing preparation 1 To controller fitting 3 Length inside the pump 2 Alignment dots 4 To sampler fitting English 37...

  • Page 40: Clean The Rotor

    Clean the rotor Clean the rotor, pump tube tracks and pump housing with a mild detergent. Refer to Replace the pump tubing on page 36 and the illustrated steps that follow. 38 English...

  • Page 41: Replace The Distributor Arm Tube

    Replace the distributor arm tube The distributor arm moves over each bottle during multiple bottle sampling. Replace the tube in the distributor arm when the tube is worn. Make sure that the correct tube is used for the correct distributor and distributor arm. Note: The distributor tubing is not the same as the pump tubing.

  • Page 42: Error Messages

    Table 4 General troubleshooting (continued) Problem Possible cause Solution The battery life is short Insufficient voltage. Make sure that the lead-acid battery holds 12.6 V to 13.4 V when fully charged. Replace the battery if necessary. Battery power drains quickly. Charge the battery fully and let the battery stand for 1 hour.
  • Page 43 Table 5 Error messages (continued) Message Description Solution NEED TO CAL The liquid sensor was disabled and a Calibrate all volumes or enable the LIQUID SENSOR IS manual volume calibration is required. liquid sensor. DISABLED. CAL IS REQUIRED! NEED TO CAL The liquid sensor must be calibrated.

  • Page 44: Diagnostic Tests

    Table 5 Error messages (continued) Message Description Solution ERROR The bottles per sample exceeds the Make another selection. WRONG RANGE total number of bottles. The total bottle quantity is not equally divisible or is out of range. VAR INTERVAL NOT An attempt was made to enable variable Disable the variable volumes in the POSSIBLE WITH VAR...
  • Page 45 Bottle kits (continued) Description Quantity Item no. 21-L (5.5-gal) poly bottle and full bottle shut off (for standard base) PS010055 Multi-bottle kits (include container, retainer and distributor arm): 350-mL (11.83 oz) glass bottles, retainer and distributor arm (for PS240350 standard base) 575-mL (19.44 oz) poly bottles, retainer and distributor arm (for PC240575 compact base)
  • Page 46 Replacement parts (continued) Description Quantity Item no. Distributor arm tubing, 40.64 cm (16¼-in.), for assembly 8579 8584 (arm 8585) Distributor arm tubing, 43.18 cm (17 in.), for assembly 8580 (arm 8577 8581) Distributor arm tubing, 45.72 cm (18¾-in.), for assembly 8578 8582 (arm 8583) Tubing for peristaltic pump, pre-cut for portable sampler...
  • Page 47 2189 Retainer for 8 950-mL (32.12 oz) glass bottles 2347 Retainer for 3.8-L (1 gal) glass/poly bottles 2190 Retrofit Kit, SD900 controller assembly for portable samplers (includes 8759400 controller, pump tube, manual) Sampler locking assembly 1354 SampleView CD with RS232 cable...
  • Page 48 46 English...
  • Page 50 Tel. +49 (0) 2 11 52 88-320 SWITZERLAND Fax (970) 669-2932 Fax +49 (0) 2 11 52 88-210 Tel. +41 22 594 6400 orders@hach.com info@hach-lange.de Fax +41 22 594 6499 www.hach.com www.hach-lange.de © Hach Company/Hach Lange GmbH, 2013. All rights reserved. Printed in U.S.A.

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