Velocity of Detonation

ShotTrack VoD Devices

From short-column trials to 610 m holes — VoD instruments that prove detonation performance and feed analysis straight into ShockAI.

All products

Full-range precision

VoD-610

One recorder for any hole ever drilled — usable cable length up to 560 m, with modern connectivity and ShockAI workflows.

Up to 560 m usable cable
125kHz sampling
Inexpensive consumables
Field-rugged build

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Short-column testingComing soon

VoD-125

400 kHz sampling in a compact VoD for short-column trials and representative blast testing.

125m cable (planned)
400kHz sampling
Same chassis as VoD family
Bench & field trials

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Legacy range

Previous-generation instruments

Superseded by our current range — still supported and available on request.

Original VoD platformLegacy

VoD Mini

The original compact VoD instrument — IP68 field pedigree with Bluetooth setup and ShockAI upload.

Original VoD form factor
Digital VoD acquisition
Field-rugged build
Bluetooth setup & sync

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Medium-range precisionLegacy

VoD-305

The superseded mid-range VoD workhorse — 256 kHz sampling and 90-picosecond nominal resolution up to 305 metres.

305m cable range
256kHz sampling
Inexpensive consumables
Field-rugged build

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Compare the range

Specifications side by side

Specification	VoD-610Full-range precision	VoD-125Short-column testing
Acquisition	Channels: single channel time-domain reflectometer Maximum cable length: up to 610 metres Usable cable length: up to 560 metres Measurement range: initial dead zone covers the first 50 m of cable Sampling rate: 125 kHz (8 µs per sample) Resolution: 80 picoseconds (next-generation timer chip) Pulse output: negative 8 volts Consumable compatibility: standard co-axial cable	Channels: single channel time-domain reflectometer Maximum cable length: up to 125 metres Usable cable length: up to 105 metres Measurement range: initial dead zone covers the first 20 m of cable Sampling rate: 400 kHz or better for short-column resolution Resolution: 20 picoseconds or better Pulse output: negative 6 volts Consumable compatibility: standard co-axial cable
Timing and connectivity	Timing: GPS-synchronised Connectivity: Bluetooth with Searching for Cable, Cable Connected and Armed status Arming: auto arm 60 seconds after cable connection, long press of the button, or via the app Operational duration: over 10 hours continuous run time	Timing: GPS-synchronised Connectivity: Bluetooth with Searching for Cable, Cable Connected and Armed status Arming: auto arm 60 seconds after cable connection, long press of the button, or via the app Operational duration: over 10 hours continuous run time
Physical and durability	Dimensions: 133 mm diameter, 36 mm height Weight: 450 g Status indication: multi-LED status indicator Ingress protection: IP68 waterproof and dustproof case	Dimensions: shared VoD family chassis Weight: shared VoD family chassis Status indication: multi-LED status indicator Ingress protection: IP68 waterproof and dustproof case
Software	Control: ShockAI App	Control: ShockAI App

VoD-125 specifications are provisional and subject to change prior to release.