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TROUBLESHOOTING for TF1100 serial flow meter
The TF1100 ultrasonic flow meter 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. Hardware error diagnostics are usually performed upon each power on. Some errors can be detected during normal operation. ...Read more -
FREQUENTLY ASKED QUESTIONS AND ANSWERS for TF1100 serial transit time ultrasonic flow meter
Q: New pipe, high quality material, and all installation requirements met: why still no signal detected? A: 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...Read more -
PIPE MATERIAL SOUND SPEED TABLE
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QSD6537 area velocity sensor ‘s develpment
In year of 1996, we produced first generation: area velocity sensor called QSD6526 sensor . It works on ultrasonic doppler principle, it can measure flow rate by ultrasonic sensor and liquid level by pressure sensor ; It is glued structures ; Flow velocity : 21mm/s to 4500 mm/s ; Depth range: 0 t...Read more -
TF1100-EC clamp on ultrasonic flowmeter COMMUNICATIONS PROTOCOL
The TF1100 has communication protocol. Its hardware directly supports a modem, a composition of flow data monitoring system that is economical, reliable and based on telephone line transmission. It can also be connected to a RS-485 or RS232C connectors based on jumpers on circuit board for user’s...Read more -
DOF6000 open channel flow meter—Instantaneous Versus “Averaged” Velocity
from scan to scan at some sites. Because Ultraflow QSD 6537 is very sensitive to variations in velocities, you are able to see the natural velocity changes in the channel. Although the discharge in a channel may be reasonably constant for a period of time, the velocity distribution is always chan...Read more -
The Ultraflow QSD 6537 requires very little maintenance. During routine site visits the following checks can be performed:
The Ultraflow QSD 6537 requires very little maintenance. During routine site visits the following checks can be performed: Piezo Element Faces Clean the instrument surfaces where the Piezo elements are located by wiping with a cloth. If needed a plastic scraper can be used to remove any bio-...Read more -
Area velocity doppler flow meter
DOF6000 serial area velocity flow meter can monitor flow in any shapes of open channel, not full sewer or wastewater pipes without flume or weir. It is ideal for storm water, municipal water treatment and monitor, effluent, raw sewage, irrigation, running water, treated sewage water, etc . A suit...Read more -
Hydrologic QSD6537 Ultrasonic area velocity sensor
Only QSD6537 sensor is a submerged doppler sensor to continuously measure flow rate , depth, conductivity in open channels, partially filled pipes, rivers, streams, culverts, canals and others . It is designed for sewage, stormwater and stream flow applications. QSD6537 Area-Velocity Flow Meter ...Read more -
Installation for LMU ultrasonic level meter
1. general hintsInstallation must be carried out by trained person in accordance with the manual. The temperature of the process may not exceed 75℃，and the pressure may not exceed -0.04~+0.2MPa. The use of metallic fittings or flanges is not recommended. For exposed or sunny locations a protect...Read more -
RC82 heat meter features
Ultrasonic heat BTU meter For Large Diameter Pipe 1. calculator can be hung at the body or installed separately. 2. Internal 3.6V high capacity lithium battery，external AC220V or DC24V optional; 3. Unique design for fluid structure to improve measuring accuracy and stability and reduce the requi...Read more -
DF6100-EC clamp on doppler flow meter transmitter installation
Mount the clamp on wastewater flow meter transmitter in a location that is: 1. Where little vibration exists 2. Protected from falling corrosive fluids 3. Within ambient temperature limits -20 to +60°C 4. Out of direct sunlight. Direct sunlight may increase transmitter temperature to above the ma...Read more
Ultrasonic Flow Meters
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