Precision in depth

The SPT Optical Depth Counter is a lightweight, compact and easy to use measuring device, designed to be mounted to the rod of a drilling unit

Depth counter™

Ensure survey accuracy with precise depth control

Measures depth on wireline cables from 4mm all the way to 10mm Truly versatile.

Its latest generation Bluetooth allows operators to continue surveying at safe distance up to 20m.

Guarantee precise borehole depth with Wireless Optical Depth Counter. 

GyroMaster™ and GyroLogic™ Evo compatible.

Depth Counter

Engineered for strength, precision measurement and durability

Dual spring-loaded measuring platform

The device measures the amount of wireline moving to and from the borehole. The measuring wheel is coupled to an encoder that transmits electrical signals via Bluetooth to the handheld device.

Long range wireless connection

Integrates perfectly into any SPT suite of mobile applications. Utilizing long-distance Bluetooth connection of up to 20m, work can be performed safely in any environment. Real time data is automatically transferred and incorporated into SPT logging software and SPT SmartCloud™

Compact and lightweight device for measuring wireline depth

Designed to be mounted to the rod of a drilling unit. One of the benefits compared to other measuring device is that it measures depth on wireline cables from 4mm to 10mm. 

This device can work on both open and cased hole, using a tripod or clamping device.

Technical Specifications

Depth Counter

Depth Counter works with


The world’s most advanced gyro with outstanding accuracy of 3 sigma

SPT SmartCloud™

Cloud-based platform for safeguarding and managing real-time survey data

GyroLogic™ Evo

The ultimate downhole directional survey tool for any borehole survey needs