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Catalog Number 8544
Sigma 900 Composite Sampler
INSTRUMENT MANUAL
© Hach Company, 2003. All rights reserved. Printed in the U.S.A. eac 07/03 2ed
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Table of Contents Section 1 Specifications..................................................................................................................................... 5 Section 2 General Information.......................................................................................................................... 7 2.1 Instrument Description........................................................................................................................................ 7 2.2
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Table of Contents Section 5 Maintenance ..................................................................................................................................... 33 5.1 Cleaning the Sampler ....................................................................................................................................... 33 5.1.1 Cleaning the Sampler Housing................................................................................................................ 33 5.1.2 Cle
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Section 1 Specifications Specifications are subject to change without notice. Height: 34 cm (13.5 in.), Width 28 cm (11 in.), Depth 20.3 cm (8 in.) without wall Controller Dimensions bracket, 33 cm (13 in.) deep with wall bracket High impact injection molded ABS: submersible, watertight, dust tight, corrosion Pump/Controller Housing and ice resistant; NEMA 4X, 6 High speed peristaltic, dual roller, with 9.53 ID x 15.9 mm OD (3/8 in. x 5/8 in.) Sample Pump medical grade silicone rubber pump tu
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Section 2 General Information 2.1 Instrument Description The instrument is designed to automatically collect and preserve samples from a liquid source. The sampler is suitable for collection of conventional and toxic pollutants and suspended solids. The sampler collects samples on either a timed cycle basis, or in proportion to flow when used in conjunction with a flow meter (flow meter connected to the auxiliary connector). In the timed cycle mode, the interval between samples is controlle
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Section 2 Figure 1 Interface Connectors 1 2 1. 12 V 2. Auxiliary dc 2.3 Front Panel The front panel consists of the keypad, liquid crystal display, and the internal case humidity indicator (Figure 2). 2.3.1 Keypad and Display The sampler controller is equipped with a 24 character alphanumeric liquid crystal display which automatically steps the user through the program settings. 2.3.2 Humidity Indicator The internal case humidity indicator (Cat. No. 2660) turns pink when the internal c
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Section 2 Figure 2 900 Composite Sampler 1 2 7 6 3 4 5 1. Function Key 5. Power On Indicator LED 2. Peristaltic Pump 6. Desiccant Indicator 3. Peristaltic Pump Tubing 7. 24-character Alphanumeric Liquid Crystal Display 4. Tubing Clamp 2.4 Safety Information Please read this entire manual before unpacking, setting up, or operating this instrument. Pay particular attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equi
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Section 2 2.4.1 Use of Hazard Information If multiple hazards exist, this manual will use the signal word (Danger, Caution, Note) corresponding to the greatest hazard. DANGER Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury. NOTE Information that requires special emphasis. 2.4.2 Precautionary Labels Read all labels and tags
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Section 2 DANGER Bien que certains produits Hach soient conçus et certifiés pour être installés dans des endroits dangereux tels que définis par le National Electric Code, de nombreux produits Hach ne conviennent pas pour de tels endroits. Il relève de la responsabilité des personnes qui placent les produits dans des endroits dangereux de déterminer s'ils sont adaptés à cet environnement. En outre, à des fins de sécurité, le placement de machines dans des endroits dangereux doit s'effectue
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Section 2 2.4.5 Definition of Confined Space A Confined Space is any location or enclosure that presents or has the immediate potential to present one or more of the following conditions: An atmosphere with less than 19.5% or greater than 23.5% oxygen and/or more than 10 ppm Hydrogen Sulfide (H S) 2 An atmosphere that may be flammable or explosive due to gases, vapors, mists, dusts, or fibers Toxic materials which upon contact or inhalation, could result in injury, impairment of health
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Section 3 Installation DANGER Only qualified personnel should conduct the installation tasks described in this section of the manual 3.1 Unpacking the Instrument Remove the sampler from the shipping carton and inspect it for any damage. Contact Hach Customer Service at 1-800-227-4224 if any items are missing or damaged. 3.2 Selecting the Installation Site The sampler is completely self-contained and may be located indoors or outdoors without protection, between 0 to 50 °C (32 to 120 °F). Fo
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Section 3 Figure 4 Wall Mount Bracket 3.3 Mounting the Sampler Attach the wall mount bracket to a stable panel or wall (Figure 4). Mount the bracket so the sample display and keypad are easily accessible. Mount the sampler to the wall bracket using the four screws provided. 3.4 Attaching the Intake Line 3.4.1 Vinyl Intake Tubing 1. Push one end of the clear flexible PVC (vinyl) tube to the tapered end of the intake strainer, until the tube is within 0.635 cm (¼ in.) of the solid white Tefl
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Section 3 4. Slide the tubing clamp over the silicone tubing until it is over the stainless steel fitting on the liquid sensor. Tighten to secure. 5. Repeat the procedure for the intake strainer. 3.5 Setting Up the Intake Line and Strainer For each sampling location, the intake line should be as short as practical, and be free of any sharp bends, coils, or loops. Install the intake line with a downward slope from the sampler to the sample source because: This will assure the complete draina
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Section 3 Figure 5 Full Bottle Shut-off 1 2 1. Sample Tubing 2. Full Bottle Shut-off 3.8 Power Connections The sampler controller operated on 12 V dc which is supplied by an optional ac/dc power converter and/or battery. Note: Make sure both rubber hold- The power supply (or battery) is placed in the compartment located directly downs are attached to the clips at behind the controller. Pull the rubber hold-downs up and over the clips at each each end of the power supply. end of the power su
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Section 3 Before performing any maintenance, disconnect the sampler from the power source. Do not attempt to make any connection or otherwise handle the electrical components of the sampler when connected to ac line power if the immediate area is wet, or if hands or clothing are wet. If the circuit breaker or fuse in the ac power source is tripped, determine the cause before restoring power to the sampler. Make sure the power circuit is grounded and protected with a Ground Fault Int
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Section 3 Table 2 Auxiliary Pin Assignments Pin Signal Description Wire Color Purpose Rating This line is held at 5 V dc inside the sampler. When shorted to ground (Pin B), a signal is sent to the microprocessor inside the sampler causing it to “wake up” and begin or resume the sampling program. It can be used in conjunction with a simple level float switch 24 V dc Liquid Level to actuate the sampler when liquid id present or to take over after a (max) at D Actuator/Auxiliary Black second
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Section 3 Figure 6 4–20 mA Interface and Pulse Duration Input (+) To Auxillary Connector (-) For details on programming the sampler for flow proportional operation, refer to SECTION. Splitter Interface This splitter interface (Cat. No. 939) can be used if access to more than one of the Auxiliary Receptacle functions is required simultaneously. Connecting the interface to the 6-pin connector on the sampler provides three additional connectors for use. Two or more interfaces may be connected
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