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High precise 4-2mA ultrasonic level meter 5-8m ultrasonic sensor
Product Description
KUMA-A ultrasonic level meter realizes high digital, communication
between machine and human. The CPU applies import industry
monolithic integrated circuit, digital temperature compensation and
wide voltage input. You can select analog, switch or RS485 serial
signal output. Owning the advantage that there is no need to
contact the measured meter, it could supply more precise and longer
work life.
Application
1, Proximity Detection
2, Robot range finder
3,Sedimentation pool
4,Coal washing process
5, Obstacle detection, collision avoidance
6, General-purpose distance detection
7,Wastewater treatment
Features
1,High precise
2, Non-invasive
3, Strong anti-interference
4,Automatic temperature compensation
5, Selectable output way
6,Substantially improved long-term stability
Parameters
Range |
5m, 8m |
| Max measure error | 0.3%~1%×full scale |
Power Supply |
DC 12-30V |
Power consumption |
<1.5W |
| Frequency | 20 KHz~43.0 KHz |
Output signal | 4～20mA/ RS485 |
Max load impedance |
300Ω |
| Display panel | LED or LCD |
Material |
ABS for case, PP for transducer |
Fix model |
G1 1/2 |
| Protection degree | IP65 |
Ambient temperature | -10℃~60℃ |
Ambient pressure |
normal condition |
Ultrasonic Level meter Instruction Manual
1,General information
KUMA-A ultrasonic level meter, taking the advantages of various many 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. The CPU applies import industry monolithic integrated circuit, digital temperature compensation. It is featured by strong anti-interference performance; free setting of upper and lower limits and online output regulation, on-site indication, optional analog, switching value, and RS485 output and easy connection with main unit. The cover, made of waterproof engineering plastics (ABS), is small and firm with PP probe or stainless steel probe. Its main circuit board applies quality SMT components and keyboard, making it more stable and reliable. Therefore, it is applicable for various fields concerning level measuring and monitoring.
2,Characteristics
●Wild range of power supply, able to work during 12-24V DC
●Manual restore factory-setting values
●Direct display of weight inside container after setting specific
gravity parameters
●Free adjustment of the range of optional current or voltage output
●Optional increment/difference distance measurement to measure
distance or level
●Automatic indication turnoff during work to save power
●1-15 transmitted pulse intensity depending on working conditions
●free setting of full-scale start point and end point Optional
items:
●2 limit NPN collecting output settings of open loops, for level
and liquid level control
●4～20mA output, RS485S serial data output or 0～5V analog output
●PC serial output and adapters, capable of PC networking
3,Specifications
Sense range :5m unusable area:＜0.4m Output:4～20mA (others optional)
frequency:20～350KHz(differs with type) max load impedance:>300Ω
display resolution:1mm accuracy:±0.3％×sense range operating
temperature:normal operating pressure:normal
display:4-digit 8-segment 0.36″LED/LCD keyboard:3-digit SMT tactile
keys installation:threadM49×1.5 ㎜ dimension:Φ 75mm×117mm×M48mm work
voltage:DC12-24V
power consumption:<1.5W
4,Menu operation and parameters setting
Note: The sequence of digit input is “0～9 .–”, and the current parameter is saved when “A” is pressed to enter next menu. During setting press”A” for a long time at any time to exit current menu. After setting, “A” must be pressed for a long time to exit. In case of wrong input and no need to save, just turn off
the power.
b. Menu operation
