Reaching Farther Sensors with the Growlink M8 Extension Cable 10m
The Growlink M8 Extension Cable 10m runs a single 10-meter (about 32 ft 10 in) leg between a ClimaLINK or TerraLINK sensor and its host. The cable terminates on M8 4-pin threaded connectors at both ends. That matches the M8 fit the sensors ship with native. The extension drops in line with no adapter and locks down with the standard threaded collar. TerraLINK ships from the factory with a 2-meter cable. This Growlink M8 cable takes the reach to roughly 12 meters total from the canopyLINK or PIC host port.
Routing the M8 Sensor Extension Cable in a Real Grow Layout
Most rooms reach for the 10m run when the sensor needs to land at canopy height. A tent or bay several rows away from the controller wall is the typical case. Greenhouses pulling the cable through purlins or under benches use the same length to keep one continuous run without splices. The plug-and-play fit means a damaged ClimaLINK TerraLINK extension cable swaps out in under a minute. Twist the collar loose, pull the cable, replace, and twist tight. The line carries the analog and power conductors the M8 sensor extension cable spec defines. That keeps the data signal clean over the 10m run without the resistance noise that creeps into improvised splice lines. Pair this length with the 5m option if a room mixes short canopy drops with longer bench-to-wall runs. Smaller flowering rooms often work the other way around. A single 10m drop is enough on its own, with no second cable needed for that layout.
Key Features
- 10-Meter Length: About 32 ft 10 in — covers long bench-to-wall runs or canopy drops several rows out from the controller.
- M8 4-Pin Threaded Connector: Matches the native fit on ClimaLINK and TerraLINK; threaded collar locks against vibration.
- Plug-and-Play Drop-In: Inline replacement for the factory cable — no adapters, no splice work, no re-pinning.
- Clean Signal Over Distance: Spec-grade conductors hold the analog signal stable across the full 10m run.
- Cultivation-Environment Build: Jacketing handles humidity, debris, and the occasional tug through purlins or trellis netting.
Technical Specifications
| Specification | Value |
|---|---|
| Length | 10 m (≈ 32 ft 10 in) |
| Connector | M8 4-pin, threaded (male/female pair) |
| Carries | Analog signal + sensor power conductors |
| Compatible Sensors | Growlink ClimaLINK, TerraLINK (canopyLINK / PIC host) |
| Native Sensor Cable | TerraLINK ships with 2 m cable — extension brings reach to ~12 m total |
| Alternate Lengths | 5 m M8 extension and 5 m M8 Extension Kit (T-connector + end cap) available |