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1200A-100F1
User manual
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Tek-Trol 1200A-100M, 1200A-100F1 User manual

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EK-C
T
LAMP 1200A
Ultrasonic Clamp-On Flowmeter
Instruction Manual
Document Number: IM-1200A
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Instruction Manual Tek-Clamp 1200A
Table of Contents
1 Safety Instructions ...................................................................................................... 3
1.1 Intended Use ................................................................................................................. 3
1.2 Safety Instructions from the Manufacturer .................................................................... 3
1.2.1 Disclaimer .......................................................................................................................... 3
1.2.2 Product Liability and Warranty ......................................................................................... 3
1.2.3 Information Concerning the Documentation .................................................................... 3
1.3 Safety Precautions ......................................................................................................... 4
1.4 Packaging, Transportation and Storage .......................................................................... 5
1.4.1 Packaging ........................................................................................................................... 5
1.4.2 Transportation ................................................................................................................... 5
1.4.3 Storage .............................................................................................................................. 5
1.4.4 Nameplate ......................................................................................................................... 6
2 Product Description .................................................................................................... 7
2.1 Introduction .................................................................................................................. 7
2.2 Measuring Principle ....................................................................................................... 7
2.3 Specifications ................................................................................................................ 8
2.4 Dimensional Drawing .................................................................................................... 9
2.5 Model Chart .................................................................................................................. 9
3 Installation ................................................................................................................ 10
3.1 Selection of Installation Place ...................................................................................... 10
3.2 Installation of the Wall Mount Enclosure ..................................................................... 10
3.3 Installation of the Transducer ...................................................................................... 11
3.3.1 Choosing the Measurement Point .................................................................................. 11
3.3.2 Length of the straight pipe .............................................................................................. 12
3.3.3 Transducer Installation Method ...................................................................................... 14
3.3.3.1 Installation Space ................................................................................................................ 15
3.3.3.2 Installation Method ............................................................................................................. 16
3.4 Instrument Well Construction Requirements ............................................................... 18
3.5 Quick Pipe Parameter Setting ...................................................................................... 18
4 Electrical Connections ............................................................................................... 19
4.1 Basic Requirement ....................................................................................................... 19
4.2 Power Supply and Signal Wiring Diagram of Enclosure................................................. 19
4.3 Transducer Wiring Diagram ......................................................................................... 20
4.4 Installation Check-Up .................................................................................................. 21
4.4.1 Signal Strength (S) ........................................................................................................... 21
4.4.2 Signal Quality (Q) ............................................................................................................. 21
4.4.3 Total Transit Time and Delta Time .................................................................................. 21
4.4.4 Transit Time Ratio ........................................................................................................... 22
5 Operation ................................................................................................................. 23
5.1 Menu Window Details ................................................................................................. 23
5.2 Work parameter solidification of the Flowmeter and option indication ....................... 28
5.3 Zero-Point Setup and Zero-Point Solidification ............................................................ 28
5.4 Factory Use of the Scaling Factor Solidification ............................................................ 29
5.5 Analog Calculating Function Application ...................................................................... 29
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5.6 Analogue Input Interface as Digital Input Interface: Method and Introduction............. 29
5.7 Introduction of Serial Peripheral Extension Interface ................................................... 29
5.8 Realize Medium Identifying Function ........................................................................... 29
5.9 Restoring the Flowmeter to Factory Default ................................................................ 29
6 Maintenance ............................................................................................................. 30
6.1 Maintenance Service ................................................................................................... 30
6.2 Software Upgrade Service ........................................................................................... 30
6.3 Important Notice for Product Return ........................................................................... 30
7 Troubleshooting ........................................................................................................ 31
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Instruction Manual Tek-Clamp 1200A
1 Safety Instructions
1.1 Intended Use
Tek-Clamp 1200A is an Ultrasonic Clamp-on Flowmeter are used only for measuring the flow of liquids in closed pipes, e.g.: Clean water, wastewater etc. The manufacturer is not liable for damage caused by improper or non-designated use.
1.2 Safety Instructions from the Manufacturer
This meter was calibrated at the factory before shipment. To ensure correct use of the meter, please read this manual thoroughly.
1.2.1 Disclaimer
The manufacturer will not be held accountable for any damage that happens by using its product, including, but not limited to direct, indirect, or incidental and consequential damages. Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale. The manufacturer has the right to modify the content of this document, including the disclaimer, at any time for any reason without prior notice, and will not be answerable in any way for the possible consequence of such changes.
1.2.2 Product Liability and Warranty
The operator shall bear authority for the suitability of the device for the specific application. The manufacturer accepts no liability for the consequences of misuse by the operator. Wrong installation or operation of the devices (systems) will cause the warranty to be void. The respective Terms and Conditions of Sale, which forms the basis for the sales contract shall also apply.
1.2.3 Information Concerning the Documentation
To prevent any injury to the operator or damage to the device it is essential to read the information in this document and the applicable national standard safety instructions. This operating manual contain all the information that is required in various stages, such as product identification, incoming acceptance and storage, mounting, connection, operation and commissioning, troubleshooting, maintenance, and disposal.
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1.3 Safety Precautions
You must read these instructions carefully prior to installing and commissioning the device. These instructions are an important part of the product and must be kept for future reference. Only by observing these instructions, optimum protection of both personnel and the environment, as well as safe and fault-free operation of the device can be ensured.
Warnings and Symbols Used
The following safety symbol marks are used in this operation manual and on the instrument.
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.
NOTE
Indicates that operating the hardware or software in this manner may damage it or lead to system failure.
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1.4 Packaging, Transportation and Storage
1.4.1 Packaging
The original package consists of
1. Tek-Clamp 1200A Ultrasonic Clamp-on Flowmeter
2. Documentation
NOTE
Unpack and check the contents for damages or signs of rough handling. Report damage to the manufacturer immediately. Check the contents against the packing list provided.
1.4.2 Transportation
• Avoid impact shocks to the device and prevent it from getting wet during transportation.
• Verify local safety regulations, directives, and company procedures with respect to hoisting, rigging, and transportation of heavy equipment.
• Transport the product to the installation site using the original manufacturer’s
packing whenever possible.
1.4.3 Storage
The Tek-Clamp 1200A-100F1 is designed for installation and usage purpose in typical commercial/industrial environments. The following considerations must be observed in selecting a location for the meter:
• The ambient operating temperature range is -22 °F (-30 °C) to 176 °F (80 °C)
• Do not expose the meter to corrosive liquids or fumes
• Avoid installation locations that are close to strong sources of electrical
interference
• Avoid installing the electronics enclosure in direct sunlight
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• Avoid installation locations where the transducers will be exposed to vibrations in the piping system
• Always run transducer cables in a dedicated conduit separate from signal and power cables
• Allow sufficient space for daily inspection, wiring, etc.
• Avoid installing the meter at a place subjected to, or at risk of, flooding
1.4.4 Nameplate
The nameplate lists the order number and other important information, such as design details and technical data
NOTE
Check the device nameplate to ensure that the device is delivered according to your order. Check for the correct supply voltage printed on the nameplate.
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2 Product Description
This section covers the reference and specification data, as well as ordering information.
2.1 Introduction
Tek-Clamp 1200A Ultrasonic Clamp-on Flowmeter is designed to measure the velocity of liquid in a full/closed pipe. It operates according to the difference in the Transit Time of Flight measured, and determines the flow velocity by measuring the travel time of a pulse from one transducer to the next. Electroacoustic transducers receive and emit brief ultrasonic waves through the liquid in the pipe. Transducers are vertically placed at both sides of the measured pipe and fastened by means of a clamp. The Tek-Clamp 1200A can be used for metallic, plastic and rubber tubes.
2.2 Measuring Principle
When the ultrasonic waves are transmitted through the flowing liquid, there will be a difference between the upstream and downstream transit time (travel time or time of flight), which is proportional to flow velocity. Ultrasonic waves travelling in the same direction as that of the flow takes lesser time to reach the second transducer than that of the waves which travels in the opposite direction of the flow. The formula for calculating velocity is:
V

×
  
∆
× 
Where, is the include angle to the flow direction M is the number of times that the ultrasonic beam travels D is the pipe diameter Tup is the time for the beam to travel from upstream transducer to the downstream T
is the time for the beam to travel from downstream transducer to the upstream
down
∆T = Tup- T
down
Working of Ultrasonic Flowmeter
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2.3 Specifications
Parameters Specification
Accuracy
Repeatability
Measurement Period Measurement Principle
Display Output
100F1 100M 100H
Input
Other Functions
Main UnitTransducersLiquidsPipe
Power
100F1 100M
100H Power Consumption
Environment Temperature
Better than ±1.0 %
0.2%
0.5 Seconds Transit-time measurement principle
LCD with backlight. 2 x 20 letters Modbus RS485 4-20 mA, Pulse
Modbus RS485 4-20 mA, Pulse None
Two three wire system PT100 platinum resistor input loop. For BTV process monitoring
Automatically stores the memory of the positive, negative, net totalizer ow rate and heat quantity of the last 512 days, 128 months, 10years
85 to 264 VAC or 8 to 36 VDC 8 to 36 VDC Rechargeable nickel metal hydride battery Less than 1.5W
-22 °F to 176 °F (-30 °C to 80 °C)
Environment Humidity
Protection Class
Clamp-On
Protection Class Types
Process Temperature
Pipe Material Pipe Size
Pipe Straight Run
85% RH
IP65 (Tek-Clamp 1200A-100F1) IP57 (Tek-Clamp 1200A-100M and 1200A-100H)
S2-type: for pipe size ½"- 4" (DN0.04-DN0.33 ft) M2-type: for pipe size 2"- 28" (DN0.16-DN2.33 ft) HS-type: for pipe size ½"- 4" (DN0.04-DN0.33 ft) HM-type: for pipe size 2"- 28" (DN0.16-DN2.33 ft)
IP68, can work in water with depths less than 10’ (3 m) Virtually all commonly used clean liquids. Liquids with small quantity
of tiny particles may also be applicable. Particle size should be less than 75 um, particle concentration less than 20,000 ppm. Liquids should contain no or very minor air bubbles.
-40 °F to 320 °F (-40 °C to 160 °C)
All metals ,most plastics, ber glass, etc. ½" – 28" (DN0.04 ft-2.33 ft)) More than 10 D for upstream, more than 5 D for downstream, 30 D if a
pump is near upstream, where D is pipe diameter.
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2.4 Dimensional Drawing
2.5 Model Chart
Model Number Description
Note: Controller, Sensors, and Options are all ordered individually
Controllers
1200A-100F1 Wall Mount Ultrasonic Flowmeter
1200A-100M Low Cost DIN Mount Flowmeter
1200A-100H Hand Held Ultrasonic Flowmeter (with carrying case)
Transducers
1200A-S2 ½" to 4" Pipe (Wall and DIN Controller)
1200A-M2 2" to 28" Pipe (Wall and DIN Controller)
1200A-S2H ½" to 4" Pipe (Hand Held)
1200A-M2H 2" to 28" Pipe (Hand Held)
1200A-HSH ½" to 4" Pipe, Bracket Mounted Sensors (Hand Held)
1200A-HMH
Accessories
1200A-TM8812 Ultrasonic Thickness Gauge
2" to 28" Pipe, Bracket Mounted Sensors (Hand Held)
1200A-SEYV75-2-5 Junction box and two 16’ Extention Cables
1200A-Gel Coupling Gel
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3 Installation
This section covers instructions on installation and commissioning. Installation of the device must be carried out by trained, qualified specialists authorized to perform such works.
CAUTION
• When removing the instrument from hazardous processes, avoid direct contact with the fluid and the meter
• All installation must comply with local installation requirements and local electrical code
3.1 Selection of Installation Place
Careful attention should be given while selecting the place of installation for system components as it will help the operators with the initial installation, reduce the start­up problems and make further installations easier. For example: Do not install the Tek-Clamp 1200A-100F1 flowmeter where it will be difficult for the personnel to perform periodic maintenance. When selecting a site for mounting the system components, consider the criteria under Section 1.4.3. Storage.
3.2 Installation of the Wall Mount Enclosure
• Find an easily accessible location where wire connections can be made and flowmeter readings can be taken from floor level
• Mount the enclosure on a vibration-free surface
• Avoid sites such as the plenum of a fan coil, heat exchanger, or other housings
containing motors
• Avoid mounting the enclosure in close proximity to VFD’s, electric motors or
other strong sources of electrical interference
NOTE
Secure at least 4 inch (0.33 ft) of space between the flow transmitter and nearby wall. Also secure a space for opening the front cover for maintenance. Secure a cable wiring space under the enclosure
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3.3 Installation of the Transducer
Installation of Tek-Clamp 1200A-100F1 series is the easiest and convenient way in the installation of all flowmeters. Just choose a suitable measurement point, input the pipe parameters of this pipe point to the flowmeter, and then fix the transducers on the pipe.
3.3.1 Choosing the Measurement Point
To ensure measurement accuracy and stability, the installation point of transducers should be on the straight pipe full of well-distributed fluid (when installing, the pipe must be full of liquid), and should follow the given points:
• Pipe must be full of liquid that is uniform and easy for the ultrasonic pulse to travel through (vertical pipe or horizontal pipe)
• Avoid installing the transducer at the highest point of the pipe system or on the vertical pipe with free exit (down flow)
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• For the open pipe or half full pipe, the transducers should be installed at the bottom of U pipe
• The temperature and pressure on the installation point should be within the workability of the transducers
• Pay attention to the pipe’s inner wall and check for pollution build-up. Select a pipe without any or very little build-up of sediment because it may interfere with the signal
o
• In case of horizontal piping, mount the detector within 45
from the horizontal plane. Otherwise, the measurement may be impossible if bubbles stay in the upper part of the piping or if deposits are accumulated in the lower part of the piping. In case of vertical piping, the detector may be mounted at any position on its periphery provided that the flow is upward.
3.3.2 Length of the straight pipe
The length of upstream and downstream straight pipe of the ultrasonic transducer should be long enough to ensure accurate measurements.
o
• For 90
bend
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• For Tee bend
• For Diffuser
• For Reducer
• For Valve
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• For Pump
The figure below shows the installation point of transducers when a pump is used in the pipeline.
The above figure shows the installation point of transducers when a compressor is used in the pipeline.
3.3.3 Transducer Installation Method
Before installing, start by cleaning the installation area: remove any rust, paint, and anti-rust layers. Then polish the area using a clean cloth with either alcohol or acetone. Apply a sufficient amount of grease at the installation area and clamp the transducers tightly on the pipe. The grease is used to eliminate any gaps between the transducer and the pipe wall.
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NOTE
If enough grease is not applied or the transducers are not clamped to the wall tightly, the precision of measurement may be effected.
3.3.3.1 Installation Space
Installation space of the clamp-on type transducer is the inner distance between the two transducers when they are facing each other. After giving the input of the required parameters to the menu of the converter, check the display on the parameter M25 to get the installation space.
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3.3.3.2 Installation Method
There are two types of the installation methods i.e. the V method and the Z method.
• V method
V method is a standard installation method and convenient to use for precise
measurement of flow. While installing the two transducers, they’re horizontally
aligned. They are suitable for pipe diameter range ½" to 16" (DN15 mm-DN400 mm).
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• Z method
When the pipe diameter is wide, or there are suspended matters in the fluid, or the scaling is too thick and interferes with the normal functioning of the flowmeter and weakens the signal in a V method installation, then Z method installation is used. It is also called the single sound path as it can directly transfer the pulse without any reflection required as is required in case of V method and therefore has less signal attenuation.
NOTE
When installing the transducers, the pipe area where the transducers are to be installed, must be clean
The shield cable must be properly connected and proper sealants must be applied to the transducers to prevent the water from entering inside the transducers
Use stainless steel band straps to fix the transducers and to prevent it from moving
Apply enough couplant around the area, so that transducers touch the pipe and prevent air, sands, and rust that interfere with the pulse transfer
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3.4 Instrument Well Construction Requirements
To install transducers in an instrument well, there must be enough installation room and should be convenient for people to stand up and work. Distance between the pipe wall and well wall is at least above 22 inch, width is more than (D+22x2) inch, cement pipe width is more than (D+28x2) inch, and the instrument well axial width L is more than D+48 inch. When installing transducers, avoid the placement on the flange, welding line, reducing. Do best to install transducers in the range of ±45° of the horizontal position of pipe axis.
3.5 Quick Pipe Parameter Setting
The user must set the parameters when measuring the following:
1. Pipe outer diameter
2. Pipe wall thickness
3. Pipe material
4. Liner parameter (if having liner, then the liner thickness and sound velocity)
5. Fluid types
6. Transducers type
7. Transducers installation method
8. Solidification parameter
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4 Electrical Connections
85 VAC to 264 VAC
Power Consumption: Less than 1.5 W
8 VDC to 36 VDC
Power Consumption: Less than 1.5 W
4.1 Basic Requirement
The flowmeter should be connected to the AC or DC power supply.
4.2 Power Supply and Signal Wiring Diagram of Enclosure
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WARNING
• Make sure to connect to ground the power board terminal block
4.3 Transducer Wiring Diagram
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4.4 Installation Check-Up
After the completion of transducer installation, the user should check the following items to see whether the installation is suitable, whether the received ultrasonic signal is correct and strong enough that it can make the flowmeter work normally with long-time running. By checking the receiving signal strength (S), the signal quality (Q) value, the delta time and the transit time ratio (R), the user can determine whether the installation point is good or not. Normally, apply couplant on the transducers and attach them on the pipe, so as to obtain measurement results. But it is better to check the following factors to ensure the flowmeter is working properly and the results are reliable and accurate:
4.4.1 Signal Strength (S)
Signal strength S (parameter M90) indicates strength of sending and receiving signals from upstream transducer and downstream transducer by a 3-digit number. [00.0] means there is no signal detected, and [99.9] refers to the maximum signal strength that can be detected. When installing, do your best to adjust the position of transducers and check whether the couplant is sufficient, to make sure to gain the strongest signal. The instrument works well when the signal strength ranges from 60 to 99. When the signal strength is too low, you should check the installation position, installation space, whether the pipe is suitable to install or you need to change the installation to the Z method. Stronger signal strength should be pursued, because a stronger signal means a stable measurement results, with long and reliable running.
4.4.2 Signal Quality (Q)
Signal quality is indicated as the Q value (display on M90) that verifies whether the receiving signal is good or not. Tek-Clamp 1200A-100F1 transmitter uses 00-99 digits to represent signal quality. 00 represents the worst signal, 99 represents the best signal. Normally the signal quality should be above 60. The reason for poor signal quality could be big interference, or bad installation of transducers, or using bad quality signal cable. To get better signal adjust the transducers repeatedly and check whether the couplant applied is enough or not.
4.4.3 Total Transit Time and Delta Time
The total transit time (or traveling time) and delta time are displayed on the menu window M93. They can display whether the installation is suitable or not. They are the basic two parameters for the flowmeter’s internal measurement and calculation. When the data of delta time fluctuates too much, the displayed flow rate and velocity will change quickly. If this happens, it means the signal quality is not good; the condition of pipe is not good, unsuitable installation of the transducers, or the wrong parameters were input. Normally the fluctuation of delta time is less than ±20%, but when the pipe diameter is too small or there is lower flow velocity, the fluctuation of delta time may be higher.
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4.4.4 Transit Time Ratio
Transit-time ratio (parameter M91) is usually used to check whether the transducer installation space is good. If the pipe parameters are correct and the transducers are installed properly, the transit time ratio should be in the range of 100±3%. When the ratio is over the range, you should check,
• If the entered pipe parameters are correct?
• If the actual space of the transducers is the same as or close to what shown on
window M25.
• If the transducers are installed properly in the same axis plane of pipe?
• If the mounting location is good, if the pipe has changed shape, or if the pipe is
too old (i.e. too much corrosion or liner inside the pipe)?
• If there is any interference source around the flow meter?
NOTE
• Input pipe parameters must be correct, conform to facts, otherwise the flowmeter will not work.
• When installing clamp on type transducers, apply enough couplant to make the transducers attach on the pipe, check the signal strength and signal quality displayed on the screen while moving the transducers around installation point to receive the best signal and signal quality.
• To ensure whether the flowmeter work normally: check if the signal strength is bigger, signal quality is higher, the displayed flow rate is reliable, and the flowmeter work for a long time. If there is a bigger environment electromagnetic interference or lower receiving signal, then the flow rate displayed is poor, and will not be able to work normally for long time.
• After installation, enter M26 to solidify parameters, power on again, check if the results are correct or not.
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5 Operation
The Tek-Clamp 1200A-100F1 Ultrasonic Flowmeter can use the 16 keys keyboard monitor, the 16 keys parallel and serial port keyboard which includes: 10 digit keys, 2 up/down arrow keys, 1 menu key (M), 1 enter key, 1 decimal point key and 1 backspace key. The keyboard allows users to program quickly and easily. Here are some usages of 16 keys keyboard:
• ‘0-9’ and ‘.’ are used to input numerical value and menu number.
‘◄’ key is used to left backspace or delete left character.
•
• ‘<▲/+>’ and ‘<▼/- >’ are used to shift to upper and lower menu. When
inputting digits, these are equal to the “plus” or “minus” keys.
• The ‘Menu’ key brings up the main menu.
• The ‘<ENT>’ key is mainly used to ensure the input digit and chosen content. The
other function is to press it to enter “modify” status before setting parameters.
• Select menu M26 to save selected parameters.
5.1 Menu Window Details
Flow
rate/flow
totalizer
display
Initial setup
Menu Window
No.
M00
M01
M02
M03
M04 Display instant flow rate/date time
M05
M06 Display temperature input T1, T2
M07 Display present battery voltage
M07 Display analogue input AI3, AI4
M08 Display system error code
M09 Display today net totalizer
M10 Input outside perimeter of pipe
M11 Input pipe outer diameter, data range:0-18000mm
M12 Input pipe wall thickness
M13 Input pipe inner diameter
M14 Choose the kinds of pipe materials
M15 Input sound velocity of pipe material
M16 Choose kinds of liner
M17 Input the sound velocity of liner
M18 Input the thickness of liner
Display instant flow rate/net totalizer. Adjust the units in M30­ M32
Display instant flow rate/instant flow velocity. Adjust the units in M30-M32
Display instant flow rate/positive totalizer. Adjust the units in M30-M32
Display instant flow rate/negative totalizer. Adjust the units in M30-M32
Display heat flow rate/total heat quantity. Adjust the units in M84, M88
Function
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M19
Input inner pipe wall absolute degree of roughness
M20
Choose kinds of fluids
M21
Input fluid velocity
M22
Input fluid viscosity
M23
Choose the types of transducers, including more than 20 types
M24
Choose transducer installation method
M25
Display transducer installation space
M26
Save selected parameters
M27
Store and read installation parameters on installation point
When signal set is turning poor, the transmitter keeps the last
Input signal strength when the pipe flow is set to be empty.
M30
Choose metric or imperial unit
M31
Choose instant flow rate unit
M32
Choose totalizer unit
Choosing the totalizer multiplying factor which function is to
M34
Net totalizer switch
M35
Positive totalizer switch
M36
Negative totalizer switch
Restore parameters setup before leaving factory and reset
M38
Manual totalizer (the key to control on/off)
Setup the LCD display method, inputting 0 or 1 means regular
ly cycle
M40
Damper coefficient
M41
Input low flow velocity cut-off value
M42
Setup static zero point
Clear the zero-point value, and restore the solidified zero-point
M44
Set up zero-point deviant by hand
to use
Flow unit
setup
M28
M29
M33
M37
M39
data. Choosing ‘yes’ means when the signal is turning poor, the flowmeter will display last correct measured data
For example: inputting 65 means when the signal strength is lower than 65, the flowmeter will think that there is no liquid in the pipe and display the flow value as zero
multiply totalizer data rang, normally set it as x1
totalizer
Choose operating language, including 8 kinds of different languages for international users to use
displaying content inputting,
M3•
Choosing
Setup
M43
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displaying method, displaying the previous menu of 2-39, time interval is 8 seconds. When there is no input operation, it will automatically enter cycle displaying status
value.
2-39 means automatical
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M45
Flowmeter coefficient, rectification coefficient
M46
Input Network address identification number (IDN)
M47
Password protecting operation, after the flowmeter is setup
Input degree of linearity broken line rectification data.at most
ers to rectify
Network communication tester, on this window to visit the
Optional setup of data output at scheduled time, choose
M51
Setup output time at scheduled time
Printing data flow direction control.by default printing data will Display analogue input AI5(reserved for the Tek-Clamp 1200A
Setup of OCT totalizer pulse output, pulse width, range:6 Ms-
M55
Choose current loop mode
M56
Corresponding data to output of current loop 4mA or 0mA
M57
Corresponding data to output of current loop 20mA
Verification of current loop output applied to check whether
M59
Present output of current loop
Date time and setup of the date time of the new flowmeter is
Software version information and Electronic Serial Number
M62
Setup serial port parameter
Communication protocol choosing (including compatible
at this time can support several protocols simultaneously,
ASCII, previous 7 version protocol, FUJI
with password, only browse menus without any modification.
Scheduled
time output
AI5 setup
M48
M49
M50
M52
M53
M54
there is 12 segments broken line, used for us meter nonlinear.
data transferred from upper computer to judge the problems arise during communication.
output content at scheduled time to print, more than 20 to select
flow directly to the thermal printer hanged inside bus. Setup printing data output to outside serial port (RS485 port)
mainboard)
1000Ms.
M58
Input and
output
setup
M60
M61
M63
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current loop is normal or not.
realized by CPU, when upgrading software, time will be slow. So after upgrading, recommended to adjust the date and time to display correctly
(ESN)
protocol choosing), two options, choosing MODBUS-RTU means using binary system MODUS-RTU protocol. Choosing MODBUS-ASCII+previous protocol means using ASCII protocol,
including MOSBUS­protocol, Meter-BUSx protocol etc.
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Instruction Manual Tek-Clamp 1200A
M64
M68
Setup lower limit flow of frequency signal output
M69
Setup upper limit flow of frequency signal output
M70
LCD backlit control
M71
LCD contrast ratio control
Work timer, logging work time of the flowmeter by unit of
Setup lower limit flow of
By adjusting the lower and
over the range set in this
transferred to outside by
Setup upper limit flow of
M77
Beeper setup options
M78
Setup Open Collector Transistor output(OCT) output options
M79
Setup relay(OCT2) output options
M80
Choose input signal of batch controller
M81
Batch controller
Day/month/year totalizer, check the flow rate and heat
Automatically replenish flow switch during the period of power off, default status: off this function is not available under
Choosing heat quantity unit,
M65
M66
M67
Analogue input AI3
By inputting the measuring range, the
Analogue input AI4
Analogue input AI5
Setup frequency range of frequency output signal. Frequency signal output represents instant flow rate value by signal frequency value. Default: 0-1000Hz, Max-range:0-999Hz. Output frequency signal by special frequency output unit.
flowmeter will turn current signal into
data range users need
Input and
output
setup
Heat
quantity
measuring
M72
M73
M74
M75
M76 LCD contrast ratio control
M82
M83
M84
second.it can reset.
frequency signal output
frequency signal output
LCD backlit control
quantity of the totalizers
special conditions.
1. GJ(default)
2. KCal
3. KW
4.BTU (imperial unit)
upper limit of alarm, confirm a range. When actual flow is
window, then it creates an alarm signal output that is
setup OCT or relay.
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Instruction Manual Tek-Clamp 1200A
M85
Choose temperature signal origin, if choosing inputting temperature signal by AI3, AI4, then need temperature
heat capacity, default: GB-CJ128 enthalpy potential method.
M87
heat quantity totalizer switch
M88
Heat quantity multiplier factor.
display present temperature difference and setup temperature
Options of installation of heat meter on supply water pipe or
M90
Display the signal strength and signal quality
M91
Display the transit time ratio
M92
Display the calculated fluid sound velocity.
M93
Display the total transit time and the delta time
M94
Display the Reynolds number and the pipe coefficient
Display positive, negative heat quantity totalizer, start cycle
+0
Display the time of power on/off and flow rate
+1
Display the total working time of the flowmeter
+2
Display the last time of power off.
+3
Display the flow rate of last power off
+4
Display total times of power on
+5
Scientific calculator
+6
Setup threshold value of fluid sound velocity
+7
Net totalizer of this month
+8
Net totalizer of this year
+9
Operating time with trouble (including power off time)
.2
store static zero point
.5
setup threshold value of Q value
.8
max instant flow rate of this day and this month
.9
serial port testing window with CMM direct output
circuitry hardware parameter adjusting entrance (only
-1
4-20mA current loop calibration
-2
AI3 inputting calibration of analogue input 4 mA
-3
AI3 inputting calibration of analogue input 20mA
-4
AI4 inputting calibration of analogue input 4mA
-5
AI4 inputting calibration of analogue input 20mA
-6
AI5 inputting calibration of analogue input 4mA
-7
AI5 inputting calibration of analogue input 20mA
transmitter that can output 4-20mA current signal.
Diagnosis
Added
menu
windows
M86
M89
M8•
M95
Temperature difference method is available also.
difference sensitivity.
return water pipe
display function.
-0
Hardware
adjustment
menu
windows
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inputting password to enter following windows)
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Instruction Manual Tek-Clamp 1200A
-8
zero-point setup of PT100 at lower temperature (
-9
PT100 setup zero point at higher temperature（>55℃）
-A
PT100 standard calibration at 50℃
-B
PT100 standard calibration at 84.5℃
NOTE
• Violet color indicates new added or changed functions
• Blue color means the menus related with heat quantity measurement
5.2 Work parameter solidification of the Flowmeter and option indication
The new Tek-Clamp 1200A has 3 work parameter areas respectively. They are: Present parameter data block, Solidification parameter data block, and the User pipe parameter data block.
• Present parameter data block is built-in internal RAM. If outside power supply and spare battery are shut-off together, then the present work parameter is lost.
• Solidification parameter data block is built-in internal FLASH. Normally it will not lose the data. For stable work application, use the solidification parameter of M26 to solidify the parameter data block in RAM to FLASH and setup recalling the work parameter. FLASH presents the parameter of data block when the flowmeter is powered on each time.
• User parameter data block can store 9 sets of commonly used pipe parameters. The access operation is in M27.
5.3 Zero-Point Setup and Zero-Point Solidification
The new transducers have a “zero point”, it means that when fluid flow velocity is zero, the flowmeter will display a non-zero flow value. This value will repeatedly add to the indicating value of the flowmeter under any flow velocity, for example, assume that the zero-point velocity is 1m3/h, present flow velocity is 10m3/h, then the indicating value of the flowmeter is 11m3/h. So the newly installed or changed transducers normally need to adjust zero-point and log zero-point value. To adjust zero-point, you’ve to go in menu M42. The zero-point value after adjusting is only stored in RAM parameter area temporarily, and is not solidified in FLASH. If the spare battery is off or choosing the solidification parameters in FLASH as work parameters when the flowmeter is powered on, then the zero-point will lose the stored value. In order to keep the zero-point value forever, users must use M.2 to store the zero-point after adjusting zero-point for each time.
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Instruction Manual Tek-Clamp 1200A
5.4 Factory Use of the Scaling Factor Solidification
Same as the principle of storing zero-point value, the scaling factor needs to be solidified after calibration before leaving the factory. The scaling factor can be edited in M.1. Use two grade passwords to visit.
5.5 Analog Calculating Function Application
When the setup pipe diameter is zero, the instant flow velocity is 1.2345678 m/s (4.0504 ft/s), instant flow rate is equal to zero, and “R” status is displayed. Inputting a set value in M44 can obtain changeable totalizer output and using this function, flowmeters can be tested and network software can be adjusted without connecting the transducers.
5.6 Analogue Input Interface as Digital Input Interface: Method and Introduction
The new Tek-Clamp 1200A series’ analogue input interface can work as a digital input interface, but note that the loop input current should not be over 20 mA. When outer digital quantity voltage is 5 V, you should series connect a 1k resistor in return circuit. If the digital quantity voltage is 12 V, then series connect a 2k resistor.
5.7 Introduction of Serial Peripheral Extension Interface
Serial peripheral extension interface is like USB interface. It has input, output, power supply+, power supply-; a total of 4 lines for each measuring. It can also give output of instant flow, instant heat flow, positive total, 4-20 mA value, frequency value and printing data etc. Different function models can take down data according to the requirements. The serial bus use 4800 Baud Rate.
5.8 Realize Medium Identifying Function
For example: application in mixture of oil and water, to judge if the medium in pipe is water or oil. You can input lower limit of water flow in M+6, i.e. 1400 m/s for this example. When the fluid flow velocity measured by the flowmeter is lower than 1400 m/s, an internal signal is created, which is used to indicate that the fluid is another medium. This signal can be given as the output by OCT or read by MODBUS protocol.
5.9 Restoring the Flowmeter to Factory Default
To clear all set parameters and to restore to the original factory default, use only the serial port or parallel port keyboard to enter M37 and click <•><◄>, so that it can restore default set parameters before leaving the factory.
NOTE
This function is only used during the first installation.
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Instruction Manual Tek-Clamp 1200A
6 Maintenance
This section covers maintenance techniques and guidelines.
6.1 Maintenance Service
For operational problems, please contact the technical support department by telephone, fax, email or internet. In most cases, problems should be solved immediately. For any hardware failure of the instrument, we recommend our customers to send back the instrument for service. Please contact the technical support department with the model number and serial number of the unit before sending the unit back to us. Both numbers can be found on the product label. For each service or calibration request, we will issue a Return Materials Authorization (RMA) number. Take note that the cost for repairing can only be determined after receipt and inspection of the instrument. A quotation will be sent to the customer before proceeding with the service. Normally, the buyer is responsible for the transportation of meters and freight.
6.2 Software Upgrade Service
We provide free-of-charge software upgrade services. Please contact the factory for any recently developed software.
6.3 Important Notice for Product Return
Before returning the instrument for warranty repair or service, please read the following carefully:
• If the return item has been exposed to nuclear or other radioactive environment, or has been in contact with hazardous material that could pose any danger to our personnel, the unit cannot be serviced
• If the return item has been exposed to or in contact with dangerous materials, but has been certified as hazard-free device by a recognized organization, you are required to supply the certification for the service
• If the return item does not have a RMA# associated, it will be sent back without any service conducted
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Instruction Manual Tek-Clamp 1200A
7 Troubleshooting
This section provides troubleshooting techniques for most common operating problems.
The Tek-Clamp 1200A shows an error on the corner of the menu window via an identification code in a timely order. All the existing errors are displayed on the parameter M08. Self-diagnosis on hardware is conducted every time the flowmeter is powered on. Some errors can even be detected during normal operation. For the errors that are undetectable due to incorrect settings or improper testing conditions, the flowmeter will display useful information to help the user to quickly debug the error and solve the problems according to the methods listed in the tables below:
Errors displayed of Tek-Clamp 1200A are of two kinds:
1) Circuit hardware errors (refer to table 1).
2) Measurement errors (refer to table 2).
Table 1. Hardware self-diagnosis errors and solutions
LCD display
Causes Solution
information
ROM Verification Error ROM operation illegal /
Contact the
error
Logger Reading Error Stored parameters are
Power on again/contact the
wrong
System Logger Error System stored data area
Power on again/contact the
has error
Measuring Circuit
Sub-CPU circuit errors Power on again/contact the
Hardware Error
CPU Clock Speed Error System timer has errors Power on again/contact the
Date Time Error System date and time
Reset date and time
are wrong
No Display. Erratic or Abnormal Operation
No Response to Key Pressing
Problem with wiring Check wiring connections. No
influence of measuring normally
• Keypad is locked
• Bad plug
connection
Input password to unlock keyboard, or check wiring connections, no influence of measuring normally
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Instruction Manual Tek-Clamp 1200A
Table 2. Working status errors code causes and solutions
Code
M08 displaying
Causes
Solutions
*R
System works
Normal system
- *JCircuit
Hardware problem
Contact the
*I
No Signal
• Unable to receive
• Make sure the transducer is
*H
Lower signal
• lower signal
Solutions are the same with code
*H
Poor signal
Poor signal quality which
Includes above all solutions
*E
The current of
• 4-20 mA current
Check current loop settings on
normally
Hardware Error
strength received
signal
• Loose contact or not enough couplant between transducer and pipe surface
• Transducers installed improperly
• Scaling on inner pipe wall is too thick
• New changed liner
• causes are the
same with code “I”
in tight contact with pipe surface, and the couplant is enough
• Polish the pipe surface and clean the pipe surface. Clear paint, rust
• Check original installation parameter settings
• Clear the scaling or change the pipe with thick scaling, normaly change to another measurement point that has little scaling, the meter can work normally
• Wait until the liner has been solidified and then test
“I”
quality received
Current Loop is over 20mA (won’t influence the measurement,
includes above all causes
loop output overflow 100%
• Improper settings for current loop output
M56. Or confirm if the actual flow rate is too high
if current output is not being used)
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Instruction Manual Tek-Clamp 1200A
*Q
Frequency
Output is over
• 4-20 mA current
Check frequency output settings
*F
Listed in table 1
• Find problems
• Power on again, check the
*G
Adjusting Gain
Instrument is in the
-
*K
Empty the pipe,
no liquid in the pipe or
If there is liquid, input 0 value in
the set value
(won’t
influence the measurement, if frequency output is not being used)
loop output overflow 120%
• Improper settings for current loop output
(refer to M66-M69). or Confirm if the actual flow rate is too high
>S1 Adjusting Gain >S2 Adjusting Gain >S3 Adjusting Gain >S4 （ displayed on M00, M01, M02, M03）
setup in M29
when powered on and during self­diagnosis
• Permanent hardware errors
progress of adjusting the gain to prepare the measurement. If stopped at S1 or S2 or switched between S1 and S2, this means the signal is too low to receive or not a good signal at all
wrong setup.
information showed on screen, handled according to table 1, if not solved,
M29
NOTE
• The codes *Q, and *E displayed do not affect measurement. They only mean current loop and frequency output have problems
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