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11

505-1320 Series Ultrasonic Open Channel Flowmeter

TM

—Alarm Relays

Outputs for Near Zone and Lost
Echo are provided to activate
external relays or alarms. These
are separate relay packages
purchased as an option.

—Step Gain Switch

Changes the gain of the ultra-
sonic transmitter to lessen any
effect due to noise or obstruction.

3.2

Indicators & Controls

(continued)

Figure 3-2

Operating Mode and Calibration

Switches

Figure 3-1

Switch 8-Flow and Distance Mode

Summary of Contents for Drexelbrook 505-1320 Series

Page 1: ...ng Instructions Series 505 1320 Continuous Ultrasonic Transmitter using 405 1302 Electronics 215 674 1234 Outside North America 1 800 553 9092 US and Canada www drexelbrook com drexelbrook service ame...

Page 2: ...n this manual including but not limited to implied warranties or fitness for a particular purpose Drexelbrook shall not be liable for errors contained herein or for incidental or consequential damages...

Page 3: ...tter using 405 1302 Electronics 205 Keith Valley Road Horsham PA 19044 US Sales 1 800 553 9092 24 Hour Service 1 800 527 6297 International 215 674 1234 Fax 215 674 2731 E mail drexelbrook info ametek...

Page 4: ......

Page 5: ...Introduction 13 4 2 Primary Device Selection 13 4 3 Standard Calibration 15 4 4 Secondary Calibration 16 4 5 Setpoint Calibration 17 4 6 Accessory Packages 18 4 6 1 401 600 Series Relay Package 18 4 6...

Page 6: ......

Page 7: ...ce In the delta level mode the current output 4 20 mA dc increases as the liquid level rises In the delta distance mode the current output increases as the level falls distance to the transducer incre...

Page 8: ...ngular Weir Figure 1 1 Parshall Flume Figures 1 1 through 1 8 show the 505 1302 Ultrasonic Open Channel Flowmeter mounted in different types of flumes and weirs NOTE The open channel flowme ter locati...

Page 9: ...otch Weir Figure 1 5 Palmer Bowlus Flume Figure 1 6 Leopold Lagco Flume 1 4 Types of Flumes Weirs continued NOTE The open channel flowmeter location is a function of the primary measuring device Consu...

Page 10: ...or separated by two coaxial cables in the remote configuration The transducer must be mounted vertically in either configuration Extended sensor lengths and special mountings can be provided to fit sp...

Page 11: ...5 505 1320 Series Ultrasonic Open Channel FlowmeterTM Figure 2 1 Mounting Dimensions Integral Unit 2 2 Mounting Instrument continued...

Page 12: ...6 505 1320 Series Ultrasonic Open Channel FlowmeterTM Figure 2 2 Mounting Dimensions Remote Unit 2 2 Mounting Instrument continued...

Page 13: ...respectively For integral transmitters the level measuring cable and temperature compensation wires are prewired Connect input power and output leads to terminal block TB1 as shown The 505 1302 is shi...

Page 14: ...8 505 1320 Series Ultrasonic Open Channel FlowmeterTM Figure 2 3 Wiring Diagram of Line Powered Transmitter 2 3 Wiring continued...

Page 15: ...9 505 1320 Series Ultrasonic Open Channel FlowmeterTM Figure 2 5 Wiring Diagram of 24 Vdc Transmitter 2 3 Wiring continued...

Page 16: ...ated above SW8 A zero second time delay position 2 is the default selection that is set at the factory Position 4 sets a 15 second time delay Position 1 sets a 45 second time delay Zero and Span Calib...

Page 17: ...e external relays or alarms These are separate relay packages purchased as an option Step Gain Switch Changes the gain of the ultra sonic transmitter to lessen any effect due to noise or obstruction 3...

Page 18: ...On small throat width Parshall flumes 1 2 and 3 inch the acoustic signal hits the sidewall of the flume Any slime or surface irregularities sends a false signal back to the receiver By reducing the g...

Page 19: ...et the Size of Primary Device switch in inches or degrees for V notch weir applications The middle switch represents the tens and the lower switch represents the units For example 36 inches is set 3 f...

Page 20: ...14 505 1320 Series Ultrasonic Open Channel FlowmeterTM Figure 4 1 Flow and Relay Switches...

Page 21: ...Setting Zero b Now set the Span switches in inches to the nearest 0 1 inch to equal the distance from the zero flow point e g bottom of the flume to the level which represents 100 flowrate 20 mA See...

Page 22: ...Zero calibration switches to 2 0 5 d Observe both LEDs flashing e Push and hold the black calibration pushbutton Place SW8 switch position 1 to the ON up position f Release the calibration pushbutton...

Page 23: ...tion of relay switches b Alarm points are set directly in tenths of inches from zero point As an example an alarm point could be set 6 inches from the zero point or minimum level Starting with the top...

Page 24: ...ho and Near Zone This package can also be equipped with remote LEDs to indicate Loss Echo or Near Zone A short cable Figure 4 5 is available to connect the 401 600 relay package to the ultrasonic inst...

Page 25: ...19 505 1320 Series Ultrasonic Open Channel FlowmeterTM 4 6 1 401 600 Series Relay Package continued Figure 4 6 Relay Package Mounting Dimensions...

Page 26: ...20 505 1320 Series Ultrasonic Open Channel FlowmeterTM 4 6 1 401 600 Series Relay Package continued Figure 4 7 Relay Package Wiring Diagram...

Page 27: ...21 505 1320 Series Ultrasonic Open Channel FlowmeterTM 4 6 1 401 600 Series Relay Package continued Figure 4 8 Relay Package NEMA 4X Housing with Intrinsic Safety Barriers...

Page 28: ...22 505 1320 Series Ultrasonic Open Channel FlowmeterTM 4 6 1 401 600 Series Relay Package continued Figure 4 9 Relay Package with Digital Loop Wiring...

Page 29: ...ng a reduction or loss of the acoustic signal The Sta Dry option maintains the temperature of the transducer face at a level that prevents condensation or ice from forming The Sta Dry option consists...

Page 30: ...ion the universal process meter is available with flow rate totalizer and batch control capabilities Before wiring the the universal process meter in the loop check the output mode of the transmitter...

Page 31: ...25 505 1320 Series Ultrasonic Open Channel FlowmeterTM 405 1302 Transmitter set in Source mode powers the loop 4 6 3 Universal Process Meter 401 90X 2 continued Figure 4 12 Loop Wiring Source Mode...

Page 32: ...lections from the nozzle openings into the vessel can cause faulty operation e If attempts to locate the difficulty fail notify the local factory representative or call the factory toll free at 1 800...

Page 33: ...e orange wire and empty screw e Re apply power f The microammeter should read 273 amps 32 F 293 amps 68 F 311 amps 100 F Readings outside these listed ranges indicate a failed temperature sensor Call...

Page 34: ...gure 2 4 ___________ Loop supply voltage is measured at TB2 on 110 Vac unit or TB1 terminals 4 and 5 on a 24 Vdc unit Loop supply voltage with no load should be 24 30 Vdc What is the position of the h...

Page 35: ...__________________________ Agitation______________________________________ Brief description of the problem _______________________ ____________________________________________________ _______________...

Page 36: ...International Please provide the following information Model Number of Return Equipment ____________________ Serial Number _________________________________________ Original Purchase Order Number ____...

Page 37: ...120 Vac 50 60 Hz 240 Vac 50 60 Hz or 24 Vdc Output Signal 4 20 mA dc isolated Output Load 0 1000 ohms Response Time 2 seconds approx Electrical NEMA 4X cast aluminum standard Enclosure NEMA 4X fibergl...

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Page 40: ...ad Horsham PA 19044 US Sales 1 800 553 9092 24 Hour Service 1 800 527 6297 International 215 674 1234 Fax 215 674 2731 E mail drexelbrook info ametek com Web www drexelbrook com An ISO 9001 Certified...

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