SGM LEKTRA SGM-101H Technical Documentation Manual
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SGM LEKTRA SGM-101H Technical Documentation Manual

Portable transit time ultrasonic flowmeter
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SGM-101H
Portable transit time ultrasonic flowmeter
technical documentation EN

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Summary of Contents for SGM LEKTRA SGM-101H

  • Page 1 SGM-101H Portable transit time ultrasonic flowmeter technical documentation EN...
  • Page 2 SGM-101H Ultrasonic Flowmeter Notice Thank you for choosing the SGM-101H Ultrasonic Flowmeter and Analyzer with ARM chip and low-voltage wide-pulse sending technology. This instruction manual contains important information. Please read it carefully before operation the flowmeter thus avoiding damage to the flowmeter from improper use.
  • Page 3 SGM-101H Ultrasonic Flowmeter Product Components Inspection should be made before installing the flowmeter. Check to see if the spare parts are in accordance with the packing list. Make sure that there is no damage to the enclosure due to loose screw or wires or other damage that may have occurred during transportation.

  • Page 4: Table Of Contents

    SGM-101H Ultrasonic Flowmeter Content Transmitter Installation and Connection ....................6 Power Supply Connections ..............................6 1.1.1 Type of Power Supply ..............................6 1.1.2 Wiring ....................................6 1.1.3 Data Output Wiring ................................. 7 Powering On .................................... 8 Keypad Functions ..................................8 Keypad Operation ..................................
  • Page 5 SGM-101H Ultrasonic Flowmeter Operating Instructions ..........................23 System Normal Identification ..............................23 Low Flow Cutoff Value ................................. 23 Zero Settings ..................................23 Scale Factor .................................... 23 4 ~ 20mA Current Loop Output ............................. 23 4~20mA Analog Output Calibration ............................24 TF Card Operation .................................

  • Page 6: Transmitter Installation And Connection

    1.1.2 Wiring Open the hinged top cover of the electronics. The wiring ports of the SGM-101H, from left to right, are as follows: Downstream transducer connector, upstream transducer connector, SD card slot, power switch, data output connector and battery recharge port.

  • Page 7: Data Output Wiring

    SGM-101H Ultrasonic Flowmeter 1.1.3 Data Output Wiring Data output wiring as shown below: First connect the 8-pin plug with the data output port; after these connect the AB with the RS485 Communication, finally get the I with the 4 ~ 20mA current output.

  • Page 8: Powering On

    SGM-101H Ultrasonic Flowmeter 1.2 Powering On When the meter is powered on, it will start with the following screen, the Version Number Ver:1.01 and the Serial number S/N:v5200355 will be shown at the bottom right corner. If it is the first time of use or an installation on a new site, the customer needs to input the new installation site parameters.

  • Page 9: Keypad Operation

    SGM-101H Ultrasonic Flowmeter 1.4 Keypad Operation The instrument setup and measurement displays are subdivided into more than 100 independent Menus. The operator can input parameters, modify settings or display measurement results by "visiting" a specific Menu. These Menus are arranged by 2-digit serial numbers from 00~99, then using +0, +1, etc. Each Menu ID code has a defined meaning.

  • Page 10: Flowmeter Menu Descriptions

    SGM-101H Ultrasonic Flowmeter 1.5 Flowmeter Menu Descriptions These windows are assigned as follows: 00~09 Display Menus: Used to display flow rate, positive total, negative total, net total, velocity, date & time etc. 10~29 Setup Menus: Used to enter pipe outer diameter, pipe wall thickness, fluid type, transducer type, transducer mounting and spacing, etc.

  • Page 11: The Quick Setup Description

    SGM-101H Ultrasonic Flowmeter The Quick Setup Description 2.1 Double Function Keys Menu Description Press to display Flow Rate with large font. to display Velocity with large font. Press Press to display Signal Quality with large font. Press to display POS Total with large font.
  • Page 12 SGM-101H Ultrasonic Flowmeter Press to display Metric/English.The function is Menu the same with Press to display the Current State of the System. Press to display Pipe Outside Diameter. The function is the same with Press to display Pipe Wall Thickness. The function is the same with www.sgm-lektra.com...
  • Page 13 SGM-101H Ultrasonic Flowmeter Press to display Pipe Material. The function is the same with Press to display Fluid Type. The function is the same with Press to display Transducer Mounting Methods. The function is the same with Press to Start / Stop Manual Accumulation Total in turn.
  • Page 14 SGM-101H Ultrasonic Flowmeter Press to Display / Hold Total in turn. Press to display TOM/TOS. The function is the same with Press to display Fluid Sound Velocity. The function is the same with Press to display Date and Time. The function is the same with www.sgm-lektra.com...

  • Page 15: For Example

    SGM-101H Ultrasonic Flowmeter Press to enter Manual Calibrate.After the flow velocity becomes steady, input standard totalizer to get the K factor. Then press to complete the calibration. Press to input the password 1234 to reset zero. 2.2 For example For Example: Let us assume you have a DN150 (6") pipe, measuring medium is water, Material is carbon steel with no liner.
  • Page 16 SGM-101H Ultrasonic Flowmeter Step 3. Pipe Material Press the key to enter Menu 14, press the key, use the key to select the pipe material from the drop-down Menu, then press the key. Step 4. Liner Material Parameters (including thickness and sound velocity, if needed ):...

  • Page 17: Measurement Site Selection

    SGM-101H Ultrasonic Flowmeter Step 7. Transducer Spacing Press the key to enter Menu 25, accurately install the transducer according to the displayed transducer mounting spacing and the selected mounting method. ( Details on Chapter 2.3 ). Step 8. Display Measurement Results...
  • Page 18 SGM-101H Ultrasonic Flowmeter Straight length of upstream Straight length of Name piping downstream piping L ≥5D L ≥10D bend Detector L ≥10D L ≥50D 10D min L≥5D L ≥30D Diffuser 5D min Reduce L ≥5D L≥10D Valve L≥30D L≥10D Flow controlled upstream...

  • Page 19: Transducer Installation

    SGM-101H Ultrasonic Flowmeter Transducer Installation 3.1 Installing the Transducer Before installing the transducers, clean the pipe surface where the transducers are to be mounted. Remove any rust, scale or loose paint and make a smooth surface. Choose a section of sound conducting pipe for installing the transducers.

  • Page 20: N Method (Not Commonly Used)

    SGM-101H Ultrasonic Flowmeter Side View Section Top View Upstream Transducer Transducer Flow Transducer Spacing Downstream Transducer Pipe Strap 3.1.4 N Method (not commonly used) With the N method, the sound waves traverse the fluid three times and bounce twice off the pipe walls. It is suitable for small pipe diameter measurement.

  • Page 21: Signal Strength

    SGM-101H Ultrasonic Flowmeter 3.3.1 Signal Strength Signal strength (displayed in Signal) indicates a detected strength of the signal both from upstream and downstream directions. The relevant signal strength is indicated by numbers from 00.0 ~ 99.9. 00 0 represents no signal detected while 99.9 represents maximum signal strength.
  • Page 22 SGM-101H Ultrasonic Flowmeter Ascertain there is not too much air or solids in the fluid, etc. With the exception of these reasons, if there is still no signal detected, the measurement site has to be changed. Keep the flowmeter away from the electromagnetic interference area to ensure its proper operation.

  • Page 23: Operating Instructions

    SGM-101H Ultrasonic Flowmeter Operating Instructions 4.1 System Normal Identification Press the keys. If the letter "*R" displays on the screen, it indicates system normal. If the letter "E" is displayed, it indicates that the current loop output is over ranged by 120%. This refers to the settings in Menu 57.

  • Page 24: 20Ma Analog Output Calibration

    SGM-101H Ultrasonic Flowmeter from -1000~0~2000m3/h, configure the 20~4~20mA output by selecting in Window M55 when flow direction is not an issue. Enter -1000 in Window M56 and 2000 in Window M57. Calibrating and testing the current loop is performed in Window M58. Complete the steps as follows：...

  • Page 25: Reading The Tf Data Offline

    SGM-101H Ultrasonic Flowmeter File type: plain text file(.TXT) File capacity: maximum 512 pcs File name format: mmddhhmm (yy - year, mm - month, dd - date) Turn to Chapter 4.7.3 for details if want to change a file name. When the capacity of the SD card is full, the new data will override the earliest files automatically (it will rollover).

  • Page 26: Esn

    SGM-101H Ultrasonic Flowmeter If you need to modify the file name, acquisition time or acquisition interval, enter the number to modify it directly, press key choice, press to modify, press to the completed modification. After modification or to use the default value, press to store the data.

  • Page 27: Window Display Explanations

    SGM-101H Ultrasonic Flowmeter Window Display Explanations 5.1 Window Display Codes 27 Cross-sectional Area 55 CL Mode Select Flow Totalizer Display 00 Flow Rate/Net Totalizer 28 Holding with Poor Sig 56 CL 4mA Output Value 01 Flow Rate/Velocity 29 Empty Pipe Setup...

  • Page 28: Display Explanation

    SGM-101H Ultrasonic Flowmeter 5.2 Display Explanation Flow Rate／Net Totalizer Display flow rate and net totalizer. Flow Rate／Velocity Display flow rate and velocity. Flow Rate／Positive Totalizer Display flow rate and positive totalizer. Select the Flow Rate units in Window M31. Select the positive Totalizer units in Window M32.
  • Page 29 SGM-101H Ultrasonic Flowmeter Current Time／Flow Rate Display the current time and flow rate. The time setting method is found in window M60. System Error Codes Display the operating condition and the system error codes. More than one error code can occur at the same time.
  • Page 30 SGM-101H Ultrasonic Flowmeter Pipe Outside Diameter Enter the pipe outside diameter; the pipe outside diameter must range from 15mm to 6000mm. Note: Enter either the pipe outside diameter or pipe outer perimeter. Pipe Wall Thickness Enter the pipe wall thickness. If the pipe inside diameter is already known, skip this window and enter it in window M13.
  • Page 31 SGM-101H Ultrasonic Flowmeter Pipe Material Enter pipe material. The following options are 、 available (by buttons or numerical keys): Carbon Steel Stainless Steel Cast Iron Ductile Iron Copper Aluminum Asbestos Fiber Glass-Epoxy Other Refer to item 9 "Other"; it is possible to enter other materials, which are not included in previous eight items.
  • Page 32 SGM-101H Ultrasonic Flowmeter Select the Liner Material The following options are available: None ,No Liner Tar Epoxy Rubber Mortar Polypropylene Polystyrol Polystyrene Polyester Polyethylene Ebonite 10. Teflon 11. Othe Item 11 "Other" is available to enter other materials that are not included in previous ten items. Once the "Other"...
  • Page 33 SGM-101H Ultrasonic Flowmeter Select Fluid Type The following options are available: Water Sea Water Kerosene Gasoline Fuel Oil Crude Oil Propane (-45℃) Butane (0℃) Other Diesel Oil 10. Castor Oil 11. Peanut Oil 12. Gasoline #90 13. Gasoline #93 14. Alcohol 15.
  • Page 34 SGM-101H Ultrasonic Flowmeter Transducer Type The following transducer types are available: Standard Standard 2 The factory default is 0. Standard. Transducer Mounting Three mounting methods are available: N (small pipe) Transducer Spacing The operator must mount the transducer according to...
  • Page 35 SGM-101H Ultrasonic Flowmeter Cross-Sectional Area Display the cross-sectional area inside the pipe. Holding With Poor Sig Select "Yes" to hold last good flow signal displayed if the flowmeter experiences a poor temporary signal condition. This function will allow continued data calculation without interruption.
  • Page 36 SGM-101H Ultrasonic Flowmeter Flow Rate Units Options The following flow rate units are available: 0. Cubic Meters (m3) 1. Liters 2. USA Gallons (GAL) 3. Imperial Gallons (Imp gal) 4. Million Gallons (mg) 5. Cubic Feet (cf) 6. USA Barrels (US bbl) 7.
  • Page 37 SGM-101H Ultrasonic Flowmeter ON/OFF POS Totalizer On/OFF POS Totalizer. "ON" indicates the totalizer is turned on, while "OFF" indicates it is turned off. When it is turned off, the net totalizer displays in Window M02 will not change. Factory default is "ON".
  • Page 38 SGM-101H Ultrasonic Flowmeter Manual Totalizer The manual totalizer is a separate totalizer. Press to start, and press to stop it. It is used for flow measurement and calculation. Damping The damping factor ranges from 0~999 seconds. 0 indicates no damping; 999 indicate the maximum damping.
  • Page 39 SGM-101H Ultrasonic Flowmeter Set Zero When fluid is in the static state (no movement), the displayed value is called "Zero Point". When "Zero Point" is not at true zero in the flowmeter, the difference is going to be added into the actual flow values and measurement differences will occur in the flowmeter.
  • Page 40 SGM-101H Ultrasonic Flowmeter Scale Factor The scale factor is used to modify the measurement results. The user can enter a numerical value other than "1" according to calibration results. Network IDN Input system identifying code, these numbers can be selected from 1~247 except that 13 (0DH ENTER), 10 (0AH Newline), 42 (2AH﹡) and 38...
  • Page 41 SGM-101H Ultrasonic Flowmeter Segment Facter You need to input the password "115800", then press key to expand. Expand only in the current period, automatically shut down when the power is cut off. You can set 16 groups correction coefficient for sectionally correcting measurement results.
  • Page 42 SGM-101H Ultrasonic Flowmeter CL Check Verification Check if the current loop has been calibrated before leaving the factory. Press move separately to display 4mA, 20mA, and at the same time, check with an ammeter to verify that CL output terminals M31 and 32 agree with the displayed values.
  • Page 43 SGM-101H Ultrasonic Flowmeter Serial Port Settings This window is used for serial port setting. Serial port is used to communicate with other instruments.The serial port parameters setting of the instrument that applies the serial port connection must be consistence. The first selected data indicates baud rate, 9600, 19200, 38400, 56000, 57600, 115200 are available.
  • Page 44 SGM-101H Ultrasonic Flowmeter Signal Strength and Signal Quality Display the measured signal strength and signal quality Q value upstream and downstream. Signal strength is indicated from 00.0~99.9. A reading of 00.0 indicates no signal detected, while 99.9 indicates maximum signal strength. Normally the signal strength should be ≥60.0.
  • Page 45 SGM-101H Ultrasonic Flowmeter Reynolds Number and Factor Display the reynolds number that is calculated by the flowmeter and the factor that is set currently by the flowmeter. Normally this scaling factor is the average of the line and surface velocity factor inside the pipe.

  • Page 46: Error Diagnoses

    SGM-101H Ultrasonic Flowmeter Error Diagnoses The ultrasonic flowmeter has advanced self-diagnostics functions and displays any errors in the upper right corner of the LCD via definite codes in a date/time order. Some errors can be detected during normal op ration.

  • Page 47: Frequently Asked Questions And Answers

    SGM-101H Ultrasonic Flowmeter 6.2 Frequently Asked Questions and Answers Question: New pipe, high quality material, and all installation requirements met: why still no signal detected ? Answer: Check pipe parameter settings, installation method and wiring connections. Confirm if the coupling compound is applied adequately, the pipe is full of liquid, transducer spacing agrees with the screen readings and the transducers are installed in the right direction.

  • Page 48: Product Overview

    Product Overview 7.1 Introduction The Model SGM-101H Ultrasonic Flowmeter is a state-of-the-art universal transit-time flowmeter designed using ARM technology and low-voltage broadband pulse transmission. While principally designed for clean liquid applications, the instrument is tolerant of liquids with the small amounts of air bubbles or suspended solids found in most industrial environments.

  • Page 49: Applications

    SGM-101H Ultrasonic Flowmeter 7.4 Applications Water, sewage ( with low particle content ) and seawater; Acid alkali liquor, edible oil, diesel oil, crude oil, alcohol, beer, etc. Water plant and sewage treatment plants; Plant irrigation； Metallurgy and mining applications ( cooling water and acid recovery, for example ) Petroleum and chemicals;...

  • Page 50: Appendix 1 - Flow Application Data

    SGM-101H Ultrasonic Flowmeter Appendix 1 - Flow Application Data 8.1 Sound Velocity and Viscosity for Fluids Commonly Used Ethanol 1168 Sound Fluid Viscosity Velocity (m/s) Alcohol 1440 1482 water 20℃ Glycol 1620 1543 0.55 water 50℃ Glycerin 1923 1180 1554 0.39...

  • Page 51: Sound Velocity In Water (1 Atm) At Different Temperatures

    SGM-101H Ultrasonic Flowmeter 8.3 Sound Velocity In Water (1 atm) At Different Temperatures 1515.7 1554.0 T (℃) V (m/s) 1517.7 1554.3 1402.3 1519.7 1554.5 1407.3 1521.7 1554.7 1412.2 1523.5 1554.9 1416.9 1525.3 1555.0 1421.6 1527.1 1555.0 1426.1 1528.8 1555.1 1430.5 1530.4...
  • Page 52 Documentation subject to technical change with no prior warning 12-FACTORY TEST AND QUALITY CERTIFICATE In conformity to the company and check procedures I certify that the equipment: (Electromagnetic induction flow measurement) is conform to the technical requirements on Technical Data and it is made in conformity to the procedure Quality Control Manager: ............

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