What Is The Difference Between A Borescope And A Sewer Camera?

Ever wondered how it feels to peep in some hidden part of an engine or into a dark sewer, without dismantling anything? Be it in a tiny engine cavity or a dim sewer in the ground, the appropriate pipe inspection camera can save hours of work and plenty of frustration.

But here's the trick: not every camera works the same. You might be thinking that the borescope cameras and the sewer cameras are similar, but no, they are meant to work on very different tasks. 

In this article, we will talk about the differences between these two, explore their major features, so you can make the right choice that suits your inspection purposes.

What Is a Borescope and When Do You Use It

A borescope camera is a small inspection device that allows access to hard-to-reach areas inside the equipment and machinery, without having to dismantle and reassemble. Imagine that this is a mini camera on a flexible or rigid tube which allows you to look where you can not look with your bare eyes.

Key Features：

• It usually consists of a hard or a flexible tube: at one end, there is a camera or lens attached, and on the other end, an eyepiece or a screen is attached.
  
• Most borescopes have a built-in LED light or fiber-optic lighting to illuminate cramped, dark areas.
  
• Due to the relatively small size of the camera head (which is typically between 3 and 8 mm in diameter), borescopes are very useful in the navigation of small openings.
  
• Their insertion tubes are comparatively short in length (about 1-5 meters), which is suitable to inspect the machinery, engines, ducts, HVAC systems or pipework of small diameter.

Common Uses Include:

• Engine and transmissions inspection of automobiles.
  
• Maintenance of aircrafts or industrial equipment.
  
• HVAC duct or pipe checks
  
• Examining narrow voids within walls or mechanical housings.

Basically, borescopes are ideal when doing precision work in the dry, controlled environment. They allow professionals to identify issues such as corrosion, cracks or blockages without dismantling machines to save time, effort and money.

What Is a Sewer Camera and Why It’s Built Differently

A sewer camera, sometimes called a pipe inspection camera or CCTV drain camera, is a special tool that is used to inspect piping systems, sewer lines, and underground drainage lines. Sewer cameras, unlike borescopes, are robust enough to work in wet, dirty and long pipes.

Key Features That Distinguish it From a Boroscope:

• Rugged, waterproof camera head, usually IP67 or IP68, to withstand wet, dirty, or underwater conditions.
  
• A push-rod cable (or more often a flexible crawler) that is lengthy (usually 30-120 meters) with the ability to be pushed deep inside long pipelines.
  
• Larger camera diameter, typically 17-40 mm, suitable for pipes ≥ 1.5 inches (≈ 38 mm) wide.
  
• High-powered LED lights (which are usually more powerful than borescope lights) are used to view in dark and murky pipes.
  
• Other features include distance counters, self-levelling heads, sonde transmitters (locators) and real time video recording.

Common Uses:

• Routine inspection of house sewage lines, drains, and stormwater pipes.
  
• Identification of clogging, root intrusion, cracks, or leaks and corrosion of the pipes.
  
• Pipeline inspections at the municipal and industrial levels.
  
• Non-invasive maintenance to locate issues without excavation.

Concisely, a sewer camera is tough, long and capable of operating in adverse conditions. So it is vital during the inspection of plumbing systems and infrastructure where a borescope would not last a minute.

Typical Specs You Might Compare

Here is a specification sheet that outlines common parameters between a generic borescope and a sewer camera. 

Why Sewer Cameras Matter, And When a Borescope Just Won’t Do

Not all inspection cameras work in same way. A borescope is ideal in small, dry areas, such as engines or ducts; however, in the case of plumbing, drains or underground pipes, it simply will not do the job. Here, a sewer camera comes in handy.

Here’s why professionals rely on sewer cameras:

• See without digging: No longer guesswork or yard tearings. Sewer cameras enable you to inspect pipes located deep underground within a short period of time.
  
• Built for tough conditions: Wet, dirty, and narrow pipes? No problem. Sewer cameras are waterproof, tough and ready to adapt messy tasks.
  
• Find problems fast: Whether it is a crack or a leak, root intrusion, or a blockage, sewer cameras can show you precisely what and where is wrong, in real time.
  
• Save time and money: Repairs are also accurate because of targeted inspections. Not a single useless excavation, no loss of manpower, no unpleasant surprises.
  
• Keep records: Most sewer cameras have the ability to record video or capture snapshots, and it is simple to document the state of pipes for maintenance, insurance, or compliance.

In simple terms, a borescope cannot withstand wet, dirty and long-distance pipelines. When you are targeting drains, sewers, or plumbing systems, a sewer camera is not only better but also the only smart option.

A sewer camera makes you feel sure. You can safely inspect, locate issues quickly and repair them without guesswork. It is an essential tool for anyone in the plumbing field, property maintenance or municipal services.

When It Makes Sense to Use Both, or When to Choose One Over the Other

In most instances, the decision is clear: a borescope to inspect the mechanical space, a sewer camera to inspect the plumbing or underground pipes. However, in some cases, both tools may be useful, particularly to maintenance contractors, industrial facilities or municipalities.

Choosing the right inspection tool isn’t an either-or decision. A borescope and a sewer camera may be helpful not only to save time and avoid inaccurate guessing but also to address all the possible inspection conditions, depending on your work.

   ● Use a borescope when:

• • You have to examine tight, dry or mechanical spaces such as engine, HVAC ducts or machine cavities.
    
  • Manoeuvrability and precision have more importance than durability or length of reach.
    
  • You want a fast and convenient way of checking equipment on a routine basis.
    
• Use a sewer camera when:
  
  • You are examining plumbing, sewer lines or drainage pipes (particularly underground or submerged).
    
  • Waterproofing, long cable reach, and durability are important.
    
  • You have to identify blockages, leaks, cracks, or root intrusions without excavation.
    
• Use both when:
  
  • Your working conditions involve both mechanical and plumbing systems such as an industrial plant, building, or city.
    
  • Quick checks of machinery or ductwork are needed alongside sewer or pipe inspections.
    
  • You want an all-inclusive inspection toolkit that can address any situation effectively.

In short, a borescope is your preferred choice when it comes to accuracy in small, dry areas, whereas a sewer camera is a mandatory tool for long distance inspections in wet or underground pipes. Having both tools and having the right working knowledge of both will enable you to face any inspection challenge while saving time, minimizing costs, and enhancing accuracy.

Conclusion

Although both sewer cameras and borescope cameras are important for inspections, they are designed for uniquely different tasks. A borescope is unmatched when it comes to doing close-up inspections in dry, controlled environments such as inside an engine or HVAC duct. 

A sewer camera, on the other hand, is rough, waterproof and designed to navigate long distance pipes and sewer lines and is therefore an essential tool in plumbing, drainage and civil engineering.

Their differences make the choice between the two even more critical. So, access your needs thoroughly and choose the inspection camera that serves you the best. When looking to buy high quality sewer cameras, don’t forget to check out the product line form Vicam Mechatronics.