SGM LEKTRA SGM-101F Guía
SGM-101F
transit time ultrasonic flowmeter
technical documentation EN Rev. B
Page 2 of 60
SGM-101F - contents
CONTENTS
1-WARRANTY
2-PRODUCT
3-FEATURES
4-DIMENSIONS
5-PIPE SPECIFICATIONS
6-TRANSDUCERS POSITIONING
7-INSTALLATION
8-ELECTRICAL CONNECTIONS
9-CONFIGURATION
10-PROGRAMMING MENU
11-MAIN PARAMETERS DESCRIPTION
12-TROUBLESHOOTING
13-COMMUNICATION PROTOCOL
14-NOTE
15-FACTORY TEST AND QUALITY CERTIFICATE
page 3
page 4
page 6
page 7
page 10
page 11
page 15
page 24
page 28
page 33
page 51
page 55
page 56
page 57
page 60
Page 3 of 60
SGM-101F - warranty
Products supplied by SGM LEKTRA are guaranteed for a period of 12 (twelve) months from delivery date
according to the conditions specified in our sale conditions document.
SGM LEKTRA can choose to repair or replace the Product.
If the Product is repaired it will maintain the original term of guarantee, whereas if the
Product is replaced it will have 12 (twelve) months of guarantee.
The warranty will be null if the Client modifies, repair or uses the Products for other purposes than the normal
conditions foreseen by instructions or Contract.
In no circumstances shall SGM LEKTRA be liable for direct, indirect or consequential or other loss or damage
whether caused by negligence on the part of the company or its employees or otherwise howsoever arising out
of defective goods.
1-WARRANTY
Page 4 of 60
SGM-101F - product
2-PRODUCT
1. SGM-101F
2. Wall mounting Kit
3. protection trasparent cover
4. Transducers
5. Transducers cables
6. Skintop
7. Heat counter connector (opz.)
3
2
1
5
4
6
7
2.1 IDENTIFICATION
Each meter has an adhesive identification plate on which are the meter main data. The following picture describes the
information and data on the identification plate.
1. Product code 3. Serial number2. Power supply
SGM-101FWATL-1NA
230Vdc 50-60Hz
FU0101600357
2
3
1Mod.
P.S.
S.N.
Page 5 of 60
SGM-101F - product
Pipe
diameter
ș
Upstream
transducer
Downstream
transducer
T2
T1
Wall
thickness
D
VLQș
¨7
77
V=
Forward
direction
2.2 WORKING PRINCIPLE
The SGM-101F is composed by a digital converter and two clamp-on or insertion type ultrasonic transducers.
The instrument calculates the instantaneous flow rate value by measuring the flight time difference of the ultrasonic pulses.
- Compact system for conductive and non-conductive fluids, even with the suspended material presence (<10g/l; <Ø1mm)
- Measuring ranges from <0,2m3/h to >30000m3/h
- Applicable to various pipes materials (eg. SS316, copper, plastic, etc.), with or without an inner lining.
- Power supply 24Vac; 115Vac; 230Vac.
The meter is designed to measure the fluid velocity inside a pipe.
The clamp-on transducers models allow an easy installation.
The transit time flow meter uses two ultrasonic transducers that work as transmitters and receivers.
They are installed externally to the pipe at a specific distance from each other.
They can be installed at V mode (2 sonic section), at W mode (4 sonic section) or at Z mode (1 sonic section).
The installation method choice depends on the pipe and the fluid characteristics.
The SGM-101F measures the transit time via the two transducers that alternatively transmit and receive a sound pulses
sequence.
The difference in the measured transit time is directly related to the fluid velocity in the pipe.
θ= sonic section angle
D = pipe internal diameter
T1 = sound transit time from the upstream transducer to the transducer downstream
T2 = sound transit time from the downstream transducer to the transducer upstream
∆T = T2-T1
Page 6 of 60
3-FEATURES
SGM-101F - features
Pipe dimension range
DN20 ÷ DN4000
Transmitter protection class
IP66
Transducer protection class
IP68
Display
backlighted 2x20 alphanumeric digit
Keypad
4 keys
Housing material
painted aluminium
Displayed data
instantaneous flowrate; flow totalizer
Mounting
wall
Analog Output
Sel. 4÷20mA o 0÷20mA
Accuracy
±1%
Repeatability
±0,2%
Linearity
±0,5%
Basic measurement period
500ms
Serial port
RS485
Communication protocol
MODBUS RTU or ASCII+ (opz.)
Data logger
on SD card (opt.) or via MODBUS
Programmable frequency output
0÷5000Hz
Relay output
n.1 for pulse totalizer or alarm
Medium speed range
±12m/s
Unit working temperature
-20÷60°C
Ambient humidity
non condensing 85% RH (40°C)
Tasducer working temperature
TS-2 / TM-1 / TL-1 -30 ÷ +90°C; TS2H / TM1H -30 ÷ +160°C; TC-1/ TLC2 -40 ÷ +160°C
PT100 sensors working temperature
-40°C +160°C
Tasducer cable std. length
5mt
PT100 sensor cable std. length
15mt
Powers
24Vac; 115Vac; 230Vac.
Dimensions
200x120x77mm
Weight without sensors
1Kg
Page 7 of 60
SGM-101F - dimensions
4-DIMENSIONS
180
179
215
120
138
157
74
Ø8
Ø8
4
80
132,5
4.1 SGM-101F MECHANICAL DIMENSIONS
Transducer Type Features
TS-2
Dimensions
67mm 28mm
32mm
Pipe Ø range 20÷100mm (¾” ÷ 4”)
Temperature -30 ÷ +90°C
Menu 23 >19. CLAMP-ON TS-2
4.2 TRANSDUCERS DIMENSIONS AND FEATURES
Page 8 of 60
SGM-101F - dimensions
Transducer Type Features
TS2H
Dimensions
67mm 28mm
32mm
Pipe Ø range 20÷100mm (¾” ÷ 4”)
Temperature -30 ÷ +160°C
Menu 23 >19. CLAMP-ON TS-2
TM-1
Dimensions
89mm 42mm
44mm
Pipe Ø range 50÷700mm (2” ÷ 40”)
Temperature -30 ÷ +90°C
Menu 23 >16. CLAMP-ON TM-1
TM1H
Dimensions
89mm 42mm
44mm
Pipe Ø range 50÷700mm (2” ÷ 40”)
Temperature -30 ÷ +160°C
Menu 23 >16. CLAMP-ON TM-1
TL-1
Dimensions
123mm 57mm
54mm
Pipe Ø range 300÷4000mm (3” ÷ 160”)
Temperature -30 ÷ +900°C
Menu 23 >20. CLAMP-ON TL-1
Page 9 of 60
SGM-101F - dimensions
Transducer Type Features
TC-1
(standard)
Dimensions
90mm
147mm
190mm
Pipe Ø range 80÷4000mm (3” ÷ 160”)
Temperature -40 ÷ +160°C
Max pressure 1.6Mpa (16bar)
Menu 23 >17. INSERZ. TC-1
TLC2
(for
non-metallic
pipes)
Dimensions 165mm
287mm
330mm
Pipe Ø range 80÷4000mm (3” ÷ 160”)
Temperature -40 ÷ +160°C
Max pressure 1.6Mpa (16bar)
Menu 23 >21. INSERZ. TLC-2
PT100
(With brass
plate)
Dimensions
Ø3
185
CONNECTOR 4 WIRES CABLE M12
Temperature -40 ÷ +160°C
Page 10 of 60
SGM-101F - dimensions / pipe specifications
5-PIPE SPECIFICATIONS
5.1 OUTSIDE PIPE DIAMETER
In the event that an appropriate instrument to measure the pipe outer diameter is not available
(programming in M11), proceed as follows:
- use a rope or paper tape or sheet
- wrap the pipe with rope or paper tape or sheet and mark the circumference point
- measure the length corresponding to the pipe circumference
- enter the measured value to “Pipe Outer Perimeter” menu (M10), SGM-101F will automatically calculate
the correct pipe diameter value
5.2 PIPE THICKNESS
Value measured on site using an appropriate tool (caliper, ecc.), or from the technical data of the hydraulic
circuit (programming in M12). In the presence of tubes without inner lining, is possible to use the SGM-100T thi-
ckness gauge.
5.3 PIPE MATERIAL
Value detectable on site, or from the technical data of the hydraulic circuit (programming in M14).
5.4 INNER LINING MATERIAL
Value detectable on site, or from the technical data of the hydraulic circuit (programming in M15).
5.5 INNER LINING THICKNESS
Value measured on site using an appropriate tool (caliper, ecc.), or from the technical data of the hydraulic
circuit (programming in M16).
Transducer Type Features
PT100 Dimensions
185
Ø5
100
¼" G
Temperature -40 ÷ +160°C
PT100 Dimensions
185
Ø5
50
¼" G
Temperature -40 ÷ +160°C
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