As the China’s leading provider of ultrasonic level measurement technology, QTLM offers a wide selection of devices, from user-friendly and highly reliable transmitters to a broad portfolio of controllers and a broad range of transducers.QTLM ultrasonic level meter is a good choice for level applications that require low cost, non-contact liquid slurry and solid level measurement.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM Series Ultrasonic level meter is a kind of non contact level measurement device which are widely used in liquid or solid application.One machine can handle various conditions.QTLM Liquid tank level sensor is made up of ABS probe or PTFE probe selectable, with acid and alkali resistance and safety installed in bad environment.Especially for sewage treatment, paper pulp, urban water supply etc
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM Series Ultrasonic level meters are widely used in liquid or solid application. Ultrasonic level transmitter support 4-20mA two wire output and HART communication, which is very popular and convenience for user’s system, with the ability to control and monitor.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Measuring Range:100m
Frequency Range: 80GHz
Output: 4-20mA/HART
Accuracy: ¡À15mm
Process Pressure: -0.1 ~ 4 MPa
Housing material: Stainless Steel
Process connectio: Flange

QTLM series Ultrasonic level meter is microprocessor controlled digital level meter. Ultrasonic pulses generated by the sensor (transducer) emitted in the measurement, the surface acoustic wave after reflection by the liquid receiving same sensor or an ultrasonic receiver, by a piezoelectric crystal or a magnetostrictive device into an electrical signal by transmitting and receiving sound waves to calculate the time between the sensor surface to the distance measured liquid. QTLM series Ultrasonic level meter adopt Intellectual signal treatment technology, guarantee that the instrument meets various kinds of operating occasion.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Non contact ultrasonic level meter is easily configured by menu button and could give precision and accuracy for real-time measurement. Ultrasonic level gauge offer lowering operational costs and increasing productivity. Ultrasonic level meter is a good choice for process or control automation applications can be monitored via local display or remote PLC.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T sanitary ultrasonic level Gauge is a digital level meter with high- performance microprocessor to process signals; It meets the requirements of material level without the contact. It can be widely used for level measurement of municipal river, urban groundwater level, sewage treatment station, water works, etc.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

QTLM Series Ultrasonic level meter is a kind of non contact level measurement device which are widely used in liquid or solid application.One machine can handle various conditions.QTLM Liquid tank level sensor is made up of ABS probe or PTFE probe selectable, with acid and alkali resistance and safety installed in bad environment.Widely used for liquid, slurry and solid level tank.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Magnetic flap level gauge is suitable for the liquid level detection in the application of industrial production, various pressure-bearing (or open) liquid storage equipment such as towers, cylinders, tanks, spherical vessels and boilers.
Measuring range: 300¡«15000mm
Measurement accuracy: ¡À5mm or ¡À10mm
Working pressure: 1.0, 1.6, 2.5, 4.0, 6.4 ,10,16.0MPa
Working temperature: ¡Ü550¡æ
Medium viscosity: ¡Ü0.02Pa.S
Output signal: two-wire system 4¡«20mADC or HART protocol or four-wire system 485 digital output
Explosion-proof grade: Exdll CT6
Protection level: IP66

Frequency Range£º76~81GHz
Scope of application£ºStrong corrosive liquid level, stirring, water vapor condensation
Measuring range£º120m
Process connection£ºflange, thread
Medium temperature£º-40~120¡æ

Q&T offers Magnetic Level Gauges in top-bottom, top and side mounted construction with two types of indicator systems. Magnetic Level Gauge is consists of three major components: Float Chamber, Float and Indicator System; It also can add the reedchain for an analog output signal, that’s 4-20mA Magnetic Level Indicator.
Measuring range: 300¡«15000mm
Measurement accuracy: ¡À5mm or ¡À10mm
Working pressure: 1.0, 1.6, 2.5, 4.0, 6.4 ,10,16.0MPa
Working temperature: ¡Ü550¡æ
Medium viscosity: ¡Ü0.02Pa.S
Output signal: two-wire system 4¡«20mADC or HART protocol or four-wire system 485 digital output
Explosion-proof grade: Exdll CT6
Protection level: IP66

QTLM series intelligent external ultrasonic liquid level meter is a kind of non-contact instrument to measure the liquid level of storage tank. The instrument can measure the dynamic liquid level in real time from outside the tank without damaging the tank and fire-free. it is a complete non-contact liquid level meter in practical sense. And a large number
of oil refining, chemical, pharmaceutical, dangerous goods storage and transportation industries are widely used,it adopt Advanced since the clamp type terminal, to ensure that wiring never loose
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T High Accuracy Ultrasonic Level Gauge is a kind of non-contact, high reliability, and easy installation level measuring instrument. The Wireless Ultrasonic Liquid Tank Level Meter Sensor can be widely
applied to the water supply, food industry, chemical, electricity and oil industries.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

PTFE Liquid Level Sensor RS485 Sanitary Ultrasonic Water Tank Level Meter is a good choice for application such as Dam water level monitoring,River monitoring, Pool water level monitoring, Environmental water level monitoring; It has Multiple Output: 4-20 mA, relay and RS485 etc; easily connect up to most systems.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

Process pressure£º-0.1~0.5MPa
Measurement accuracy£º¡À1mm
Protection class£ºIP67
Explosion-proof grade£ºExib II CT6 Gb
Shell material£ºCast aluminum/stainless steel
Signal output£º4-20mA, HART (two-wire, four-wire), RS485 Modbus

Non contact ultrasonic level meter is a non-contact level measurement device with the features of high reliability, cost-effective, easy to install. Ultrasonic fuel tank level sensor use the time of flight measuring principle, it is consisted of sensor and transmitter, the sensor emits ultrasonic pulses in the direction of the medium, the pulses bounce from the surface of the medium and then reflects the ultrasonic pulses back.
Level Range:4-30m
Output:4-20mA/HART
Connection:Thread/Flange
Power:DC24V
Accuracy:0.5%

Ultrasonic level gauge is a kind of continuous level measurement device. It support direct reading on the LCD display, and output 4-20mA and HART. 4-20 mA output is easily monitored by a PLC or other controller.
Two wire ultrasonic level meter is widely used for liquid, slurry and solid level tank, with the feature of Non-contact and maintenance-free.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Emission frequency: 76GHz~81GHz
Measurement range:0.1 m ~30m
Measurement accuracy: ¡À1mm
Beam angle: 6¡ã
Power supply range: 9~24 VDC
Communication mode: TTL/NB/485
Operating temperature: -40~85¡æ
Housing material: Aluminum alloy
Antenna type: Lens antenna

The emission angle is less than 3 ¡ã, which is suitable for narrow space or guided wave pipeline measurement
Measuring range could reach to 120M, which is suitable for the measurement of large storage tanks
Measurement dead zone is in the range of 7-8CM, suitable for the measurement of small storage tanks

Ultrasonic fuel tank level sensor is a non contact level measurement device, with over voltage, over current protection and lightning protection.
Liquid tank level sensor made up of ABS probe or PTFE probe selectable, with acid and alkali resistance and safety installed in bad environment.
Level Range:4-30m
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM Series Ultrasonic level transmitter time of flight measuring principle,it has big show window of LCD which is easy to debug, observe and installed conveniently. the sensor emits the ultrasonic wave to measure the distance by measuring the time between the wave emission and reception. it is consisted of sensor and transmitter. Water tank fuel oil level sensor is compact version, loop-powered 4-20mA for continuous measurement of liquid and solid tanks. it is safe and clean, with high precision and long service life, stable and reliable.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T Non Contact Ultrasonic Level Gauge has optional Output: 4-20 mA, relay and Hart etc; This ultrasonic liquid level transmitter can easily connect up to most systems. Ultrasonic level Sensor Material optional ABS, PVC, PTFE; Anti-corrosive with PTFE Probe.

Specifications:
Measuring Range: liquid: 0.2-30 m
Process Connection: G2 Thread/ M95*2.0
Energy Transducer Material: ABS, PVC, PTFE
Temperature: -40~ 75 Deg C
With automatic Temperature compensation.
Process Pressure: ¡À 0.1MPa
Precision: 0.2% of actual range
Signal output: 4-20mA (Option:HART)
Power Supply: DC20V~32V ¡Ý30mA
Mode of Indication: 4 Digit LCD

QTLM ultrasonic level transmitter all input and output lines must be with such protection functions as lightning protection ,use the time of flight measuring principle and short circuit prevention,it adopt Advanced since the clamp type terminal, to ensure that wiring never loose.
QTLM Liquid tank level sensor wave spread speed among gas is influenced by gas temperature, When level meter works, it measures gas temperature needing, compensates for the velocity of sound, so as to ensure the precision of measuring.

Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

Ultrasonic fuel tank level sensor is microprocessor controlled digital level meter. Ultrasonic pulses generated by the sensor (transducer) emitted in the measurement, the surface acoustic wave after reflection by the liquid receiving same sensor or an ultrasonic receiver.
Two wire ultrasonic level meter support 4-20mA two wire output, which is widely used in water, fuel tank, food tank, solid level application.
Level Range:4-30m
Resolution:3mm or 0.1%
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

4-20mA Ultrasonic level sensor is featured by strong anti-interference performance; free setting of upper and lower limits and online output regulation, on-site indication. Q&T Ultrasonic level meter is a cost-effective and reliable solution. For measuring liquid and solid level at ranges of up to 30 meters.
Range:4-30m
Application:Liquid / Solid
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Ultrasonic level meter is one of the Ultrasonic technology level products which offers an affordable two wire and line powered version for non-contact level measurement of liquids and slurries for level, distance etc.
Measurements of level, distance is easily configured through the menu driven display.
Range:4-30m
Application:Liquid / Solid
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

76GHz-81GHz FM wave radar
5GHz ultra-large FM scanning frequency width, wide application
Support standard HART, RS485 / MODBUS bus protocol
Support operation mode such as upper computer setting software, tank side table, etc.
24VDC power supply
Simple installation structure, adapt to various installation forms on site

QTLM non contact ultrasonic level meters are all well tested in Q&T factory. Q&T professional engineers will test every piece of level meters and provide calibration reports in shipping box. To save freight cost, Q&T team design small size and safety export standard carton boxes for users.

Ultrasonic level tank meter is made up of ABS or PTFE probe which is with acid and alkali resistance. QTLM ultrasonic level meter could be safety installed in complex environments. Support various different connection ways like thread or flange connection.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM series Ultrasonic level meter is a non-contact, low-cost and easy-to-install level gauge. It applies advanced aerospace technology to the general livelihood industry. Unlike ordinary level gauges, ultrasonic level gauges have more restrictions. The products are durable and durable, simple in appearance, single and reliable in function.It has large measuring range, high precision and low energy consumption.It widely used in liquid or solid application.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%