Ultrasonic Water Depth Meter Malaysia HONDEX PS-7FL for River, Pond & Reservoir Measurement
Ultrasonic Water Depth Meter Malaysia – HONDEX PS-7FL for River, Pond & Reservoir Measurement
CONTENT
When a measuring pole or levelling staff cannot conveniently reach the bottom of a river, pond or reservoir, an ultrasonic water depth meter provides another method for determining water depth.
The HONDEX PS-7FL Portable Depth Sounder with Float is designed for portable spot water-depth measurement, making it suitable for selected surveying, construction, civil engineering and water-related field applications in Malaysia.
What Is an Ultrasonic Water Depth Meter?
An ultrasonic or acoustic depth sounder determines water depth by transmitting a sound signal through the water.
The signal travels toward the bottom and is reflected back toward the transducer.
The instrument uses the returning signal to determine the distance to the underwater bottom.
Unlike a physical measuring staff, the instrument does not need to extend all the way from the water surface to the bottom.
This is especially useful when the water becomes too deep for conventional manual measurement.
HONDEX PS-7FL Measurement Range
The HONDEX PS-7FL provides an approximate water-depth measurement range of:
0.6 m to 80 m
Operating frequency:
200 kHz
This makes it suitable for many spot depth-measurement applications involving:
Rivers
Ponds
Retention ponds
Reservoirs
Lakes
Drainage channels
Waterways
Construction water bodies
Why Use an Ultrasonic Depth Meter Instead of a Measuring Pole?
A measuring pole is inexpensive and remains an excellent solution for shallow water.
The problem is physical reach.
For example:
If the water is 2 m deep, a conventional staff may be sufficient.
If the water is 4 m deep, a 5 m staff may still work under suitable conditions.
But if the water is 8 m, 15 m or 30 m deep, direct measurement using a normal levelling staff is no longer practical.
An ultrasonic depth sounder does not depend on a pole physically reaching the bottom.
HONDEX PS-7FL Float Sensor
One of the important features of the PS-7FL is its float configuration.
The transducer can be positioned on the water surface using the float and remains connected to the instrument through a 10 m transducer cable.
This gives the operator more flexibility when the required measurement point is away from the immediate edge, subject to suitable field conditions.
This feature can be useful around:
Riverbanks
Retention ponds
Reservoir edges
Drainage channels
Jetties
Construction ponds
Does Ultrasonic Mean It Measures Through the Air?
No.
This is an important distinction.
The HONDEX PS-7FL is a water depth sounder. Its transducer is intended to work in the water to determine the distance to the underwater bottom.
It should not be confused with a handheld ultrasonic distance meter that is simply pointed toward the water from a bridge or riverbank.
Correct transducer positioning is essential for appropriate measurement.
Can It Measure Through Mud?
The PS-7FL should primarily be treated as a water-depth measurement instrument.
Soft sediment, mud, vegetation, bottom composition and other site conditions can affect the acoustic return.
Therefore, a PS-7FL depth reading should not automatically be interpreted as an accurate mud thickness or sediment thickness measurement.
Where sediment thickness is the actual engineering parameter required, additional specialist investigation may be necessary.
Can Ultrasonic Depth Measurement Replace Hydrographic Surveying?
Not necessarily.
There is a major difference between obtaining a depth reading and producing a professional bathymetric survey.
The HONDEX PS-7FL is suitable for portable spot measurements.
A complete hydrographic survey may require:
Professional echo sounder
GNSS / RTK positioning
Continuous data logging
Water-level or tide correction
Survey software
Bathymetric processing
Survey datum and control
If the customer's requirement is detailed underwater mapping, a more specialized system should be considered.
Ultrasonic Depth Meter for Surveyors
The PS-7FL can complement conventional surveying instruments.
For example:
Auto Level + Levelling Staff
For elevations and level differences.
Total Station
For coordinates, angles, distances and topographic points.
GNSS / RTK
For positioning.
HONDEX PS-7FL
For portable spot water-depth measurement.
This is particularly useful for surveying companies that occasionally encounter rivers, ponds, drains or reservoirs during fieldwork.
Ultrasonic Depth Meter for Civil Engineering
Civil engineering and construction teams may also need quick water-depth information during:
Site investigation
Drainage inspection
Retention pond inspection
Bridge-related fieldwork
Reservoir maintenance
Construction pond inspection
Waterway assessment
A portable depth sounder can provide basic depth information before a more detailed engineering investigation is commissioned.
When Should You Consider HONDEX PS-7FL?
Consider the PS-7FL when:
You need spot water-depth measurements.
The water may be too deep for a normal staff.
Portability is important.
The measurement location can accommodate appropriate transducer positioning.
You do not require a complete GNSS-integrated bathymetric survey system.
If these conditions match your application, the PS-7FL may be a practical choice.
Looking for an Ultrasonic Water Depth Meter in Malaysia?
If you are searching for:
Ultrasonic Water Depth Meter Malaysia
Ultrasonic Depth Sounder Malaysia
Electronic Water Depth Meter Malaysia
Portable Depth Sounder Malaysia
River Depth Meter Malaysia
Pond Depth Meter Malaysia
Reservoir Depth Meter Malaysia
HONDEX PS-7FL Malaysia
MTM Precision supplies the HONDEX PS-7FL Portable Depth Sounder with Float for suitable surveying, construction, civil engineering and water-depth measurement applications.
Contact MTM Precision
MTM Precision Sdn Bhd
No. 29-1 & 29-2, Jalan Bandar 18,
Pusat Bandar Puchong,
47160 Puchong, Selangor, Malaysia
Website: www.mtmpre.com.my
WhatsApp: +6016-660 7346
Email: mtmpre@yahoo.com
HONDEX PS-7FL Malaysia – Portable Ultrasonic Water Depth Measurement for Rivers, Ponds, Reservoirs, Drainage and Engineering Fieldwork.
03 Sep 2026
