Real-Time Nutrient Reads with the Growlink Batch TankLINK Temperature Sensor
The Growlink Batch TankLINK Temperature Sensor reads nutrient solution temperature directly inside a batch tank or reservoir. The probe ties into the Batch TankLINK controller's screw terminal block. It reports continuously at 0.02°F resolution with ±3.6°F (±2°C) accuracy. The controller itself operates from 50 to 122°F. That range covers the 68–72°F target band most hydroponic crops respond best to inside the root zone. Drop the probe into calibration solution alongside the pH and EC probes during the LCD wizard. It locks in for the run.
Wiring the TankLINK Temperature Probe into a Live Recirculation Loop
The sensor handles the temperature input on a controller that already measures pH, EC, and tank level on the same board. Growers usually position this TankLINK temperature probe near the recirculation return so the reading reflects what plants actually receive. Pair it with a chiller or in-line heater triggered by the TankLINK. The nutrient solution temperature probe data then holds tighter to setpoint through lights-on heat spikes. On drain-to-waste schedules, the temperature read alongside EC tells you whether morning-shot solubility issues are temperature-driven. That separates a chiller problem from a recipe problem before you adjust the feed. Plug-and-play wiring keeps a single-probe swap during teardown to a few minutes. No driver shuffling — just the batch tank temperature probe back into the terminal block and a quick recalibrate. Most rooms keep one spare on hand for summer runs when reservoir temps climb hardest, particularly in greenhouses without dedicated cooling.
Key Features
- ±3.6°F (±2°C) Accuracy: Tight enough to confirm the nutrient line stays inside the 68–72°F sweet spot.
- 0.02°F Resolution: Picks up small drifts during lights-on spikes before they widen into a real swing.
- Direct TankLINK Integration: Wires straight into the Batch TankLINK controller's labeled screw terminal block.
- Calibration Wizard Compatible: Drops into the LCD wizard alongside pH and EC for a single calibration pass.
- Plug-and-Play Replacement: Probe swap during teardown takes minutes — terminal block in, recalibrate, run.
Technical Specifications
| Specification | Value |
|---|---|
| Accuracy | ±3.6°F (±2°C) |
| Resolution | 0.02°F |
| Controller Operating Range | 50–122°F |
| Connection | Screw terminal block (labeled on transmitter) |
| Compatible Controller | Growlink Batch TankLINK (pH, EC, Temp, Level inputs) |
| Calibration | LCD wizard, paired with pH & EC probes |
| Power | 24VDC via TankLINK controller |