Myzox CL-28 CL-36 Auto Level for Drainage and Pipe Leveling Malaysia

Myzox CL-28 CL-36 Auto Level for Drainage and Pipe Leveling Malaysia


Correct elevation and gradient control are important in drainage and pipe installation projects. When a drainage system depends on gravity flow, incorrect levels can contribute to poor flow, ponding or installation problems.


The Myzox CL-28 and CL-36 Auto Levels provide contractors and engineers with an optical method for transferring benchmarks and checking elevation differences during drainage, sewer, culvert and pipe installation work.


The Myzox CL-28 features 28X magnification and ±2.0 mm accuracy for 1 km double-run leveling, while the CL-36 provides 36X magnification and ±1.0 mm accuracy.


MTM Precision Sdn. Bhd. is an authorized distributor of Myzox in Malaysia, supplying professional surveying equipment for construction and civil engineering applications.


Why Is Leveling Important for Drainage Work?


Many drainage systems rely on gravity to move water from a higher elevation to a lower elevation.


This means contractors need to control both elevation and gradient during installation.


Leveling may be required for:


Open drains


Stormwater drains


Underground pipes


Sewer lines


Culverts


Manholes


Catch pits


Roadside drainage


Site drainage


Infrastructure projects


An automatic level can help establish and check elevation references at different locations along the drainage route.


How Is an Auto Level Used for Drainage Construction?


A typical process begins with an established benchmark.


The contractor can use the Myzox Auto Level and a leveling staff to transfer this known elevation to points along the proposed drainage alignment.


Measurements can then be used to check whether excavation, pipe invert or drain construction follows the required design elevations.


A simplified workflow may involve:


Establish or identify a known benchmark.


Set up the auto level on stable ground.


Take a backsight reading.


Determine the height of instrument.


Take staff readings at required drainage points.


Calculate the elevations.


Compare actual elevations with design levels.


Correct excavation or installation where necessary.


Actual construction procedures should follow the project's engineering drawings and specifications.


Checking Drainage Gradient


Gradient describes the change in elevation over a horizontal distance.


For example, if a drain must fall from one point to another, the required elevation difference can be calculated from the specified gradient and distance.


An auto level helps determine whether the actual elevations correspond with the required design levels.


This is useful when checking:


Drain invert levels


Pipe invert levels


Channel levels


Manhole levels


Culvert elevations


The instrument measures elevation differences; horizontal distance and design gradient must be established using the appropriate project information and measurement methods.


Myzox CL-28 for General Drainage Work


The Myzox CL-28 is a practical choice for routine construction and drainage leveling.


Key specifications include:


Magnification: 28X

Objective Aperture: 36 mm

Minimum Focusing Distance: 0.4 m

1 km Double-Run Leveling Accuracy: ±2.0 mm

Self-Leveling Range: ±15′

Horizontal Circle: 360°

Weight: Approximately 1.3 kg


Typical applications may include:


Building drainage


Residential developments


Commercial construction


Open drain construction


General pipe installation


Site drainage


Myzox CL-36 for Larger Civil Engineering Projects


The Myzox CL-36 provides higher 36X magnification and a higher specified leveling accuracy.


Key specifications include:


Magnification: 36X

Objective Aperture: 36 mm

Minimum Focusing Distance: 0.4 m

1 km Double-Run Leveling Accuracy: ±1.0 mm

Self-Leveling Range: ±15′

Horizontal Circle: 360°

Weight: Approximately 1.3 kg


It may be particularly suitable for:


Road drainage


Large infrastructure projects


Long drainage alignments


Large industrial developments


Civil engineering works


Sewer and utility projects


Auto Level for Pipe Invert Level


The invert level generally refers to the elevation of the lowest internal point of a pipe or drainage channel at a particular location.


Correct invert levels are important because they help determine whether a gravity drainage system follows the designed fall.


An auto level can assist site teams in transferring elevation references and checking points associated with pipe installation.


Contractors should always refer to the approved drawings for required invert elevations.


Auto Level for Manhole Construction


Manholes frequently provide important reference points within drainage and sewer systems.


During construction, elevation checks may be required for:


Manhole base


Incoming pipe invert


Outgoing pipe invert


Cover or top level


Connecting drains


The Myzox CL series can assist with transferring and checking these elevations against the project benchmark.


Auto Level for Culvert Installation


Culverts under roads and access routes require correct elevations to maintain the intended flow.


During culvert installation, an auto level can assist with checking:


Excavation elevation


Bedding elevation


Culvert inlet level


Culvert outlet level


Surrounding drainage connections


For road and infrastructure applications with larger working areas, the CL-36's higher magnification may be useful.


Common Mistakes During Drainage Leveling


Several field errors can affect results.


Staff Not Vertical


A tilted leveling staff can affect the observed reading.


Unstable Tripod


Tripod movement can alter the instrument position.


Wrong Benchmark


Using an incorrect benchmark elevation can cause all subsequent calculated elevations to be wrong.


Recording Error


A correctly observed reading can still produce an incorrect result if it is recorded incorrectly.


Confusing Design and Actual Levels


Always distinguish between the required design elevation and the actual measured elevation.


Instrument Accuracy Not Checked


If an auto level has been dropped, damaged or produces inconsistent measurements, it should be checked before critical work continues.


CL-28 or CL-36 for Drainage Contractors?


Choose the Myzox CL-28 when:


General construction drainage is the main application


Working distances are moderate


28X magnification is sufficient


±2.0 mm leveling specification meets the requirement


Consider the Myzox CL-36 when:


Larger civil engineering projects are involved


Longer observation distances are common


Higher 36X magnification is preferred


±1.0 mm leveling specification is required


Frequently Asked Questions


Can an auto level be used to set drainage gradient?


An auto level can be used to determine and transfer elevations along the drainage alignment. These elevations can then be compared with the required design gradient.


Can the Myzox CL-28 be used for pipe installation?


Yes. It can assist with elevation checking for general drainage and pipe installation work.


Is the CL-36 suitable for sewer projects?


Yes. Its 36X magnification and higher specified leveling accuracy make it an option for larger civil engineering and infrastructure projects.


Can an auto level measure invert level?


It can be used with a leveling staff and appropriate surveying procedures to determine elevations associated with pipe or drain invert points.


Which model is better for road drainage?


Both can be used depending on the project's requirements. The CL-36 may be preferable for larger sites or when higher magnification and specified accuracy are needed.


Why are accurate drainage levels important?


Incorrect elevations can affect the intended gradient of a gravity drainage system, so reliable elevation control is an important part of installation.


Myzox Auto Level for Drainage Contractors Malaysia


MTM Precision supplies Myzox CL-28, CL-36 and professional surveying accessories in Malaysia.


As an authorized distributor of Myzox in Malaysia, we support building contractors, drainage contractors, civil engineers, infrastructure contractors and surveyors looking for reliable leveling equipment.


Contact MTM Precision


MTM Precision Sdn. Bhd.

Showroom & Service Centre

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia.


Website: www.mtmpre.com.my

Email: mtmpre@yahoo.com

WhatsApp: +6016-6607346


Contact MTM Precision for enquiries about the Myzox CL-28, CL-36 Auto Level and professional surveying equipment for drainage, construction and civil engineering projects in Malaysia.



16 Aug 2026