Hach 910 Instrument Manual Download

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Catalog Number 4975

Sigma Flow Meter Models

910, 920, and 930

INSTRUMENT MANUAL

05/03 7ed

Summary of Contents for 910

Page 1: ...Catalog Number 4975 Sigma Flow Meter Models 910 920 and 930 INSTRUMENT MANUAL 05 03 7ed...

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Page 5: ...2 1 Required Software 19 2 2 Programming and Analysis Options 19 2 3 RS232 Serial Port All Models 19 2 4 Modem Communications Models 920 and 930 Only 21 2 5 Sampler Receptacle Models 920 and 930 Only...

Page 6: ...nt Desiccant 38 5 3 Maintaining the O Ring Gasket on the End Cap 38 5 4 Cleaning the Flow Meter 38 5 5 Storing the Flow Meter 38 5 6 Maintenance in the Electronics Compartment 39 5 6 1 Fuses 39 5 6 2...

Page 7: ...t observed This symbol if noted on the instrument references the instruction manual for operation and or safety information This symbol when noted on a product enclosure or barrier indicates that a ri...

Page 8: ...life in confined spaces On April 15 1993 OSHA s final ruling on CFR 1910 146 Permit Required Confined Spaces became law This standard directly affects more than 250 000 industrial sites in the United...

Page 9: ...not ring properly Service Requirements In the event of equipment malfunction all repairs should be performed by Hach Company or an authorized agent It is the responsibility of users requiring service...

Page 10: ...ted together This precaution may be particularly important in rural areas CAUTION Users should not attempt to make such connections themselves but should contact the appropriate electric inspection au...

Page 11: ...5 20 30 60 minutes Program Memory Non volatile programmable flash can be updated via RS232 port Time Based Accuracy 1 second per day Units of Measurement Level in m cm ft Flow gps gpm gph lps lpm lph...

Page 12: ...ased Accuracy 1 second per day Units of Measurement Level in m cm ft Flow gps gpm gph lps lpm lph mgd afd cfs cfm cfh cfd m3s m3m m3h m3d Totalized Flow gal ft acre ft L m Data Storage Capacity 240 da...

Page 13: ...h lps lpm lph mgd afd cfs cfm cfh cfd m3s m3m m3h m3d Totalized Flow gal ft acre ft L m Data Storage Capacity 175 days of three level readings three velocity readings and rainfall measurments at a 15...

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Page 15: ...a Revise las fichas de seguridad de materiales y familiar cese con los procedimientos de seguridad antes de manipular productos qu micos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenz...

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Page 17: ...ications Vision supports automated data collection with an unlimited number of sensors See Software and Communications on page 19 for more information 1 2 Optional Accessories for Use with the Flow Me...

Page 18: ...nting Damage to the Flow Meter in a Harsh Environment The connectors on your flow meter have protective caps Cover the connectors with the protective caps when not in use to prevent corrosion 1 4 Choo...

Page 19: ...the wafer probe allows velocity measurement in very low flow conditions When used in conjunction with a level sensor such as the In Pipe Ultrasonic Level Sensor you can calculate flow In Pipe Ultrason...

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Page 21: ...is a Microsoft Windows program 2 2 Programming and Analysis Options Built in flow equations Pager activation upon alarm condition 2 way modem and serial communications Storage of 116 000 data points i...

Page 22: ...1 Communications with the Flow Meter DTU and PC Figure 2 Extension Cable with Ladder Hook 1 DTU to Meter Cable Cat No 1726 2 DTU to PC Cable Cat No 3513 3 Meter to PC Cable Cat No 1727 1 Cable Flow M...

Page 23: ...d and green wires from the logger modem connector to the red and green wires provided by the telephone company Figure 4 Modem Receptacle Pins 2 5 Sampler Receptacle Models 920 and 930 Only 2 5 1 Sampl...

Page 24: ...al is received from a Hach wastewater sampler It confirms that a sample has been collected The time and date of each water sample appears on the data printout when downloaded using a Data Transfer Uni...

Page 25: ...rtas notas y precauciones a tomar Lea y siga cuidadosamente estas instrucciones a fin de evitar accidentes personales y da os al instrumento Las tareas de instalaci n y mantenimiento descritas en la p...

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Page 27: ...Options Figures 5 through 11 show how to install Models 910 920 or 930 for various applications Figure 5 shows Model 910 installed in a manhole with a single level velocity sensor stored in the small...

Page 28: ...ading Models 910 920 930 do not require profiling to establish average velocity allowing setup in a dry channel Figure 7 Rapid signal processing and temperature compensation accurately record the chan...

Page 29: ...ons Figure 8 shows a storm vault accepting flow from three locations A single Model 930 monitors level velocity and flow in all three pipes and sends data via modem to a central location Figure 8 Inst...

Page 30: ...ned Sewer Overflow CSO is conducive to accurate flow measurement a Model 920 can measure depth and velocity in the primary channel and measure discharge in the overflow channel with 5 accuracy See Fig...

Page 31: ...may be too turbulent for accurate measurement Figure 10 shows Model 920 with two depth velocity probes that will measure flow upstream and downstream of the outfall to determine the volume and duratio...

Page 32: ...ement for chain of custody In Figure 11 one Model 920 provides ultrasonic measurement of flow in a Parshall flume while also measuring flow upstream using the Continuity Equation Q AV This ensures no...

Page 33: ...artment Replace them if they are lost or damaged Opening the Model 930 Battery Compartment 1 Turn the winged fastener counter clockwise to loosen it it does not come all the way off 2 Pull the end cap...

Page 34: ...le to the flow meter in the bottom of the battery compartment The cable is keyed and will only fit in the proper orientation 8 Insert the battery pack into the battery compartment and tighten the two...

Page 35: ...g into the top hole of the unit with a 7 16 wrench DANGER Not for use in hazardous locations where combustible gases may be present When mounting the flow meter remember to Mount the meter so that the...

Page 36: ...rimary sensor is used for all flow calculations in InSight software Vision software allows the use of any sensor in flow calculation Figure 14 and Table 6 describe the pins on all of the sensor recept...

Page 37: ...sure in the rain gauge returns a voltage pulse into Pin A with each tip Figure 16 and Table 8 describe the pins on all of the rain gauge receptacles Figure 16 Rain Gauge Receptacle Pins B A H C J K G...

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Page 39: ...fication Errors are caused by variation in site conditions and measurement abilities These errors may cause slight variations in the difference therefore not indicating a true change in the difference...

Page 40: ...cut or nick the gaskets Replace them immediately if any physical damage is apparent A light coating of O ring lubricant is sufficient to maintain a water tight seal Table 10lists replacement O ring ga...

Page 41: ...gger near the end cap The end cap pulls straight off after all pins are removed 5 6 1 Fuses All internal fuses are self resetting and require no maintenance There are no other user serviceable compone...

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Page 43: ...rawings fm Exploded View Drawings Section 6 Exploded View Drawings Model 910 4902 3667 4907 4912 2 Req d 4933 4913 4901 3652 Apply to inside surface of 4901 battery end 4912 2 Req d 4918 4914 8644 4 R...

Page 44: ...ge 42 Exploded View Drawings Drawings fm Section 6 Model 920 4852 4863 2 Req d 3667 2 Req d 4933 4857 3652 Apply to inner wall of 4851 case battery end 4933 4862 4851 4871 4863 2 Req d 8644 4 Req d 48...

Page 45: ...Section 6 Page 43 Drawings fm Exploded View Drawings Model 930 4801 4807 2 Req d 3667 6 Req d 4805 4936 4804 4870 4802 4847 4807 2 Req d 4933 2 Req d 4803 8644 4 Req d...

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Page 47: ...mpany customer service is an important part of every product we make With that in mind we have compiled the following information for your convenience Page 45 GenInfo fm GENERAL INFORMATION GENERAL IN...

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Page 49: ...sensor mounting clip and velocity sensor mounting holes 920 930 4022 Mounting Ring 10 with integral in pipe sensor mounting clip and velocity sensor mounting holes 920 930 4023 Mounting Ring 12 with i...

Page 50: ...3719 Cat No 1473 6 25 15 85 cm long adds 2 5 08 cm to band diameter Cat No 1525 9 5 24 13 cm long adds 3 7 62 cm to band diameter Cat No 1759 19 48 26 cm long adds 6 15 24 cm to band diameter Cat No 1...

Page 51: ...the U S A call 1 800 635 4567 Outside the U S A and Europe send E mail to intltech hach com Repair Service Authorization must be obtained from Hach Company before sending any items for repair Please...

Page 52: ...2747 7412 Fax 43 0 2747 4218 email lange via at www drlange de Spain NEURTEK M A LANGE GROUP c Araba 45 Apdo 220 E 20800 ZARAUZ Tel 34 943 894 379 Fax 34 943 130 241 email info drlange com www drlange...

Page 53: ...tempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach Company Freight charges o...

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