Long-run LRF-3000H User manual

LRF-3000H Handheld Ultrasonic Flowmeter
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Revision：1.0.0
UpdateRecord：October,2018

LRF-3000H Handheld Ultrasonic Flowmeter
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Notice
Thank you for choosing the LRF-3000H Ultrasonic Flowmeter with SLSI CMOS and low-voltage wide-pulse
transmission technology.
This instruction manual contains important information. Please read carefully before operation of the
flowmeter.
WARNINGS IN THIS MANUAL
Caution and warning statements are used throughout this book to draw your attention to
important information.
WARNING
“Warning” statement appears with information that is important to protect people and
equipment from harm or damage. Pay very close attention to all warnings that apply to
your application. Failure to comply with these instructions may damage the meter.
ATTENTION
Failure to comply with these instructions may result in faulty operation.
NOTE
“Note” indicates that ignoring the relevant requirements or precautions may result in
flowmeter damage or malfunction.
Note: Some contents in this manual maybe different from the instrument you buy, which is because of the
different configuration requirement when purchasing. On the other hand due to the need of the product
improvement and upgrade, there is no remark on it, please be attention to the version number and the
enclosed explanation.

LRF-3000H Handheld Ultrasonic Flowmeter
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Product Components
An inspection should be made of the desired location before installing the flowmeter. Check to see if the
spare parts are present in accordance with the packing list. Make sure that there is no shipping damage.
If you have any questions, please contact your representative as soon as possible.

LRF-3000H Handheld Ultrasonic Flowmeter
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Table of Contents
1. Electronics Installation and Connection ............................... - 6 -
1.1. Power Supply Connections.......................................................................- 6 -
1.1.1. Type of Power Supply ...................................................................................... - 6 -
1.1.2. Wiring............................................................................................................... - 6 -
1.2. Powering on..............................................................................................- 6 -
1.3. Keypad Functions .....................................................................................- 7 -
1.4. Keypad Operation.......................................................................................-7-
1.5. Flowmeter Menu Descriptions .................................................................- 7 -
2. Pipe Parameter Entry Shortcuts............................................ - 8 -
3. Measurement Site Selection ...............................................- 10 -
4. Transducer Installation....................................................... - 11 -
4.1. Installing the Transducers.....................................................................- 11 -
4.1.1. Transducer Mounting Methods.......................................................................- 11 -
4.1.2. V Method .........................................................................................................- 11 -
4.1.3. Z Method .........................................................................................................- 12 -
4.1.4. N Method (not commonly used).....................................................................- 12 -
4.2. Transducers fixing ..................................................................................- 12 -
4.3. Transducer Mounting Inspection...........................................................- 13 -
4.3.1 Signal Strength...................................................................................................- 13 -
4.3.2 Signal Quality (Q value).....................................................................................- 13 -
4.3.3 Total Time and Delta Time.................................................................................- 13 -
4.3.4 Transit Time Ratio..............................................................................................- 13 -
4.3.5 Warnings ............................................................................................................- 14 -
5. Operating Instructions ........................................................ - 15 -
5.1. System Normal Identification................................................................- 15 -
5.2. Low Flow Cutoff Value............................................................................- 15 -
5.3. Zero Setting ............................................................................................- 15 -
5.4. Scale Factor.............................................................................................- 15 -
5.5. 4-20mA Current Loop Verification.........................................................- 16 -
5.6. 4~20mA Current Loop Output...............................................................- 16 -
5.7. 4-20mA Current Loop Verification.........................................................- 16 -
5.8. SD Card Operation..................................................................................- 17 -

LRF-3000H Handheld Ultrasonic Flowmeter
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5.8.1. Specifications..................................................................................................- 17 -
5.8.2. Install or Remove the SD card while the meter is powered on .....................- 17 -
5.8.3. Reading the SD Data Externally .....................................................................- 18 -
5.8.4. SD Card Storage Operation.............................................................................- 18 -
5.9. ESN ..........................................................................................................- 19 -
6. Window Display Explanations.............................................- 20 -
6.1. Window Display Codes...........................................................................- 20 -
6.2. Display Explanation................................................................................- 21 -
7. Error Diagnosis ...................................................................- 35 -
7.1. Table 1. Self-diagnosis and Error Solutions (upon power on).............- 35 -
7.2. Table 2. Error Codes and Solutions (during operation)........................- 36 -
7.3. Frequently Asked Questions and Answers............................................- 37 -
8. Product Overview ...............................................................- 38 -
8.1 Introduction............................................................................................- 38 -
8.2 Features of Flowmeter ...........................................................................- 38 -
8.3 Theory of Operation................................................................................- 38 -
8.4. Applications.................................................................................................-2-
8.5. Specifications..........................................................................................- 52 -
9. Appendix1 - Flow Application Data.....................................- 53 -
9.1 Sound Velocity and Viscosity for Fluids Commonly Used.....................- 53 -
9.2 Sound Velocity for Various Materials Commonly Use.............................-53-
9.3 Sound Velocity In Water (1 atm) At Different Temperatures................-53-
Update Information:
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LRF-3000H Handheld Ultrasonic Flowmeter
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1. Electronics Installation and Connection
1.1.Power Supply Connections
1.1.1. Type of Power Supply
The factory offers one rechargeable 11.1V Lithium battery and matching battery charger.
1.1.2. Wiring
Open the hinged top cover of the electronics. Shown from left to right on the panel of the LRF-3000H are
the downstream transducer connector, upstream transducer connector, the battery recharge port (charge
the transmitter or connect to a standby power supply), and the 4~20mA output connector.
WARNING
Wiring connections should be made when power is off.
1.2.Powering on
As soon as the flowmeter is switched on, the self-diagnosis program will start to run. If any error is
detected, an error code will displayed on the screen (see Error Diagnostics). After that, the system will
run automatically using the programmed parameters.
All the parameters input by the user will be saved permanently until they are changed by the user.
When the user modifies the parameters and removes the transducers, the meter will recalculate
automatically, and operate normally under the new parameters.

LRF-3000H Handheld Ultrasonic Flowmeter
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1.3. Keypad Functions
Follow these guidelines when using the flowmeter keypad:
0
~
9
and to input numbers.
Backspace or delete characters to the left.
<
+
and
-
>
Return to the last menu or open the next menu. Acts
as “+” and “-” are used to enter numbers.
Menu
Select a menu. Press this key first, input a two-digit menu
number and the selected menu data will be displayed. For example,
to input a pipe outside diameter, press
Menu
1
1
where “11” is the
window ID to display the pipe outside diameter.
Enter
Enter/Confirm Data
Enter/Exit SD card storage interface.
Rate
、
Total
、
Velocity
、
Fluid
、
Signal
、
Diagnosis
.Are shortcuts to the windows for Flow Rate, POS Totalizer,
Velocity, Fluid Type, Signal Quality and Diagnosis.
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. For example, menu 11 is the pipe outside diameter, while
menu 25 is the mounting spacing between the transducers. Each menu is discussed later in this manual.
To visit a specific menu, press the
Menu
key at any time except the SD Card Storage Interface, then input
the 2-digit menu ID code and that menu will be displayed. For example, to input or check the pipe outside
diameter, press the
Menu
1
1
keys for window ID code 11.
Another method to visit a particular menu is to press the
<
+
-
>
and
Enter
keys to scroll through the
menus. For example, if the current menu is 30, press
-
>
key to enter menu 31, press the
<
+
button
again to enter menu 30.
The menus are divided into three types:
1) Data Type, such as M11, M12;
2) Selection Type, such as M14;
3) Display Type, such as M00, M01.
Visit Data Type menus to check specific
parameters. If parameter change is needed, just
input the values then press
Enter
; or press
Enter
first, then input the values and press
Enter
to
confirm.
Example 1: To enter a pipe outer diameter of
200mm, the procedure is as follows:
Press
Menu
1
1
to enter Menu11 (the numerical
value displayed currently is the previous pipe
outer diameter). Now press the
Enter
key. The
symbol “>” and a flashing cursor is displayed on
the left side of the third line on the screen. The
new value can now be entered. Or input the value
first then press
Enter
to confirm
2
0
0
Enter
.
Menu 11
Pipe Outer Diameter
200 mm
14:53:30 Q=00 R

LRF-3000H Handheld Ultrasonic Flowmeter
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Visit Selection Type menus to check the related
options. If need to modify it, press
Enter
first to
enter the revised selection when the symbol “>”
and a flashing cursor are displayed at the left end
of the third line on the screen; or input numbers
directly to select the option when the symbol “>”
and a flashing cursor are displayed.
Example 2: If the pipe material is “Stainless Steel”,
press
Menu
1
4
to enter Menu 14, then press
Enter
to modify the option. Then, select “1.
Stainless Steel” from the drop-down menu (you
may cycle through the choices by pressing the
/ +
and
/ -
keys) and then press
ENT
to
confirm the selection. It is also possible to press
the
1
key to change the selection and wait until
“1. Stainless Steel” is displayed on the second line
of the screen. Then press the
ENT
key to confirm.
1.5. Flowmeter Menu Descriptions
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.
30~38 Flow units selection and totalizer operating menus: Used to select units of measurement. Other
menus set/reset the various totalizer modes.
40~45 Zero Set Calibration, Scale Factor.
55~83 Input and output setup menus: current loop mode select, 4mA or 0mA output value,
etc.
90~94 Diagnostics: signal strength quality (menu 90), TOM/TOS*100 (menu 91), sound
velocity (menu 92), total time and delta time of the measured signal (menu 93), Reynolds
number and K factor (menu 94).
+0~+4 Appendix: Power on/off time, total working hours, on/off times etc.
-0 4~20mA correction menu.
ATTENTION
“Hidden” menus are for hardware adjustment (set by the manufacturer).
Menu 14
Pipe Inner Diameter
0. Carbon Steel
14
:
54
:
45
Q
=
97 R

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2.Pipe Parameter Entry Shortcuts
Example: Let us assume you have a DN200 (8”) pipe, measuring water, Material is carbon steel with no
liner. These parameters should be entered as follows:
Step 1. Pipe outside diameter
Press
Menu
1
1
keys to enter menu 11,
enter the pipe outside diameter, then press
the
ENT
key.
Menu 11
Pipe Outer Diameter
200 mm
14:53:30 Q=00 R
Step 2. Pipe wall thickness
Press the
Menu
1
2
key to enter menu 12,
enter the pipe wall thickness (wall
thickness for various pipe schedules can be
found in the appendix), then press the
ENT
key.
Step 3. Pipe material
Press the
Menu
1
4
key to enter menu 14,
press the
ENT
key, use the
<
+
or
-
>
key to select the pipe material from the
drop-down menu, then press the
ENT
key.
Step 4. Liner material parameters
(including thickness and sound velocity, if
needed)
Press the
Menu
1
6
key to enter menu 16,
press the
ENT
key, use the
<
+
or
-
>
key to select liner material from the
drop-down menu, and then press the
ENT
key.
Menu 12
Pipe Wall
Thickness
6 mm
14
:
54
:
00
Q
=
00 R
Menu
14
Pipe Material
0. Carbon Steel
14
:
54
:
45
Q
=
97 R
Menu 16
Liner Material
0.
None, No Liner
14
:
55
:
10
Q
=
97 R

LRF-3000H Handheld Ultrasonic Flowmeter
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Step 5. Fluid type
Press the
Menu
2
0
key to enter menu 20,
press the
ENT
key, use the
<
+
or
-
>
key to select fluid type from the drop-down
menu, then press the
ENT
key.
Step 6. Transducer mounting methods
Press the
Menu
2
4
key to enter menu 24,
press the
ENT
key, use the
<
+
or
-
>
key
to select transducer-mounting from the
drop-down menu, then press the
ENT
key.
(Details on Charpter 4.1)
Step 7. Transducer spacing
Press the
-
>
2
5
key to enter menu 25,
accurately install the transducer according
to the displayed transducer mounting
spacing and the selected mounting
method.
(Details on Chapter 4).
Menu 25
Transducer Spacing
159.86mm
14:56:40 Q=97 R
Step 8. Display Mesurement Results
Press
Menu
0
1
to enter Menu 01 to
display flow rate. (Subject to the real
measurement.)
Menu 20
Fluid Type
0.
Water
14
:
55
:
58
Q
=
97 R
Menu 24
Transducer Mounting
0. V
14
:
56
:
20
Q
=
97 R
Menu 01
Flow
30280m3/h *R
Vel
0.3863
m/s
14
:
43
:
02
Q
=
97 R