The product has a wealth of echo processing algorithms and empirical data of
various working conditions; it is used for extremely harsh working conditions such as
strong dust, steam, or special process storage tank applications such as stirring and
heating rods, which are not available in other similar products unique advantage.

QTLM series Ultrasonic level transmitter adopt the time of flight measuring principle, widely used for liquid, slurry and solid level tank. 4-20mA ultrasonic level sensor adopt advanced clamp type terminal, to ensure that wiring never loose.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM ultrasonic level sensor emits ultrasonic pulses in the direction of the medium,which support various connections like thread or flange connection type which is much easier for user.QTLM series Ultrasonic level transmitter have full-screen self-illumination,easy setting and debugging of liquid level measurement, support 4-20mA two wire output, which is widely used in water, fuel tank, food tank, solid level application.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM ultraonic level sensor ideal for high-accuracy, continuous level measurement of a wide variety of liquids in storage and shipping containers requiring a non-contact measurement solution,widely used for liquid, slurry and solid level tank.QTLM ultraonic level meter measuring range up to 30 m.Easy and flexible mounting combined with high chemical compatibility.
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%

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

Ultrasonic fuel tank level sensor adopt ultrasonic technology is a good choice for level applications that require low cost, non-contact liquid slurry and solid level measurement. Especially for sewage treatment, paper pulp, urban water supply etc.
Ultrasonic level transmitter support 4-20mA two wire and HART communication, which is very convenient for customer’s application.
Range:4-30m
Output:4-20mA/HART
Connection:Thread/Flange
Power:DC24V
Accuracy:0.5%
Protection:IP65

Q&T Instrument offer 590pcs ultrasonic level meters for 5 meter water level measurement. These Ultrasonic level meters are with 4-20mA and HART, easily to connect into user’s systems.
Q&T Instrument as a professional factory,with various ranges level meters in stock which could ensure fast delivery.

Ultrasonic level transmitters are with the feature of non-contact and maintenance-free, a cost-effective and reliable solution for liquid, solid level measurments. QTLM ultrasonic level meters are with humanized LCD show window which is easy to debug, observe and installed conveniently.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM series Ultrasonic level measuring instrument, taking the advantages of various level measuring instruments, is a universal one characterized by total digitalized and humanized design. It has perfect level monitoring, data transmission and man-machine communication.it is a good choice for process or control automation applications can be monitored via local display or remote PLC .the transmiter has big show window of LCD which is easy to debug, observe and installed conveniently.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

This sanitary food industry Ultrasonic Level Gauge has the feature of Integrated design, installed conveniently; This Water Liquid Ultrasonic Tank Level meter, built-in temperature compensation can effectively compensate the influence of external temperature change on sound speed, and ensuring the measurement accuracy.

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

Two wire Ultrasonic level meter is a popular field-proven level measuring device in more than hundreds applications worldwide. QTLM Ultrasonic levle meter is a stable measurement device, which will not influenced by the measuring medium properties. Integrated temperature compensation improves accuracy with analog and HART communication.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

QTLM Ultrasonic level gauges/Ultrasonic level transmitter includes several proprietary technologies, is safe and clean, with high precision and long service life, stable and reliable, and convenient to install and maintain, and is applicable to various fields of acid, alkali, salt, anticorrosion, and high temperature.Ultrasonic 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.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.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

This Non-contact High Accuracy PTFE Level sensor Sanitary Ultrasonic level Meter 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

Measuring Range: 70m
Frequency Range: 26GHz
Output: 4-20mA/HART
Accuracy: ¡À15mm
Process Pressure: -0.1 ~ 4 MPa
Housing material: Stainless Steel
Process connectio: Flange

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%

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%

Q&T Water Tank ultrasonic Level Gauge 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

Two wire Ultrasonic level meter sensor emits the ultrasonic wave to measure the distance by measuring the time between the wave emission and reception. Ultrasonic level tank meter is a cost-effective and reliable solution. For measuring liquid and solid level at ranges of up to 30 meters. It support direct reading on the LCD display, and output 4-20mA and HART.
Range:4-30m
Application:Liquid / Solid
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

Q&T non-contact oil level Ultrasonic Level Gauge is microprocessor controlled digital level instrument, a good choice of Oil Diesel Fuel Liquid Level Meter. Ultrasonic pulses generated by the sensor (transducer) sent in the measurement, the surface acoustic wave after reflection by the liquid or receiving the same ultrasonic receiver transducer.

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

Q&T Ultrasonic fuel tank level sensor is a stable measurement device, not influenced by the measuring medium properties. High accuracy, ease of use is the main advantage of QTLM ultrasonic level meter. With big LCD window easy to debug and observe.
Range:4-30m
Application:Liquid / Solid
Sensor: ABS/PVC/PTFE
Output:4-20mA/HART
Power:DC24V
Accuracy:0.5%

The product has extremely high measurement accuracy, suitable for high-precision measurement level measurement
The product has rich echo processing algorithms and empirical data of various working conditions; it has unique advantages than other similar products in the application of extremely harsh working conditions such as strong dust, steam, or special process storage tanks with stirring and heating rods.

QTLM ultrasonic level transmitter is featured by strong anti-interference performance; free setting of upper and lower limits and online output regulation, on-site indication. The cover, made of waterproof engineering plastics, is small and firm with ABS probe or PTFE probe selectable . Therefore, it is applicable for various fields concerning level measuring and monitoring.

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

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%

Q&T magnetic water level Indicators are suitable for hazardous and high pressure applications since they use magnetic floats instead of a glass chamber to indicate the level of the liquid. These magnetic liquid level gauges are the most cost effective solution in applications requiring excellent visibility, accuracy, and safety.
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

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 ultrasonic level transmitter all input and output lines must be with such protection functions as lightning protection and short circuit
prevention.
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%

QTLM ultrasonic level sensor emits ultrasonic pulses in the direction of the medium,which support various connections like thread or flange connection type which is much easier for user.QTLM series Ultrasonic level transmitter have full-screen self-illumination,easy setting and debugging of liquid level measurement.
Level Range:4-30m
Sensor:ABS/PVC/PTFE
Output: 4-20mA/HART
Power:DC24V
Accuracy:0.5%

This PTFE Liquid Level Sensor Sanitary Water Liquid Ultrasonic level meter has the feature of Integrated design, installed conveniently; This Water Liquid Ultrasonic Tank Level meter, built-in temperature compensation can effectively compensate the influence of external temperature change on sound speed, and ensuring the measurement accuracy.

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