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Product Name : Ultrasonic flow transmitter
Item# : 20150309-100M
Model : TR-100M
Was Price: CNY0/RMB
Now Price : CNY0/RMB
Last update : 2015.03.26
Manufacturer :
A new Low cost ultrasonic flow meter is the latest innovation from Teren, It employs cutting-edge technologies on ultrasonic transit-time measurement, digital signal processing and surface mounting electronics. It provides abundant capabilities for accurate liquid flow measurement from outside of a pipe. The proprietary signal quality tracking and self-adapting techniques allow the system to optimally adapt to different pipe materials automatically
Low cost ultrasonic flow meter can be equipped with an optional LCD display /key board module. The users can either users can either use the RS-485 interface or the display /keyboard interface to program the flow meter.
The transducer installation is also simple and no special skills or tools are required.
Due to the non-intrusive nature of the clamp-on technology, there is no pressure drop, no moving parts, no leaks, no risk of contamination, no risk of corrosion, no pressure dependency.
Low cost ultrasonic flow meter is designed for large quantity, low cost applications. Its unique features, particularly very low cost ,very high performance and very small size ,make it the ideal choice for industrial automation, processing control, water source management, flow meter networking and OEM applications

Better than ±1% for velocity above 0.6ft/s
Better than 0.2%
Response Time
Display /Keyboard
Optional. LCD with backlight. 2×20 letters.
Display instantaneous flow rate, accumulated flow rate
(positive, negative and net rates), velocity, time, analog inputs, ect.
Signal Input
Current input: 4-20mA.,0.1% accuracy. Can be used for signals
such as temperature, pressure, liquid level, ect.
Signal Output
Current output: 4-20m A . Impedance 0-1k, Accuracy 0.1%
OCT output: two channels. Can be programmed as pulse signal
for accumulated flow rate (positive, negative and net rates);
frequency signal for instantaneous flow rate;
ON/OFF signal for relay drive or alarm drive; batch control
Communication Interface
RS-232 and RS-485 (note: can not be activated simultaneously)
Automatically record the following information:
l         The totalizer data of the last 64 days/64 months;
l         The time and corresponding flow rate of the last 64 times of
power on and off events. Allow manual or automatic
flow loss compensation
l         The instrument working status of the last 128 days
Can be customized to 12VDC or 5VDC
Liquid Types
Virtually all commonly used liquids (full pipe)
Liquid Temp
Liquid  Suspension concentration
<20.000ppm, or ,<2%, particle size smaller than 100um.
Pipe Size
DN25~DN6,000mm (1’’~240’’)
Pipe Material
All metals, most plastics, fiber glass, ect. Allow pipe liner
Straight  Pipe Section
Longer than 15D, where D is pipe diameter. If a pump is near,
the straight pipe section following the pump should be >30D
Shielded transducer cable. Standard length 5m (15’),
Can be extended to (500m) 1640’. Contact the manufacturer
for longer cable requirement.
Cable should not be laid in parallel with high-voltage power line,
neither should it be close to strong interference source
such as power transformers

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Yvonne Yu