Support: 7-in-1 WiFi RS485 Aquarium Water Monitor

Product: 7-in-1 WiFi RS485 Aquarium Water Monitor
SKU: RVN-WQ7-RS485
Device type: Complete monitor with matching probe and display

What it measures

pH, ORP, TDS, EC, salinity, specific gravity, and water temperature. It does not measure free chlorine.

Connection path

The water probe connects to the display through a wired RS485 link. The display connects to the Tuya app over 2.4 GHz WiFi.

Quick start

  1. Confirm the matching probe, display, power parts, and supplied setup materials.
  2. Connect the matching probe and display only as shown in the model instructions.
  3. Place the probe in a representative, protected flow location.
  4. Power the display and confirm stable local readings.
  5. Connect the display to 2.4 GHz WiFi and the Tuya app.
  6. Complete model-specific calibration before setting alert thresholds.

Best use

Aquariums, reef tanks, koi systems, hydroponic water loops, and fixed installations where a wired probe connection is preferred.

Troubleshooting

  • No probe readings: inspect the matching probe connection and display power before changing app settings.
  • App is offline: confirm 2.4 GHz WiFi coverage at the display.
  • Reading drift: inspect fouling, bubbles, placement, probe storage, and calibration status.

Downloads and support

Download the Quick Start and Safe Use PDF (PDF, version 1.0)

The PDF covers verified product identification, setup order, placement, calibration principles, maintenance, troubleshooting, safety limits, and a support record. Exact hardware-revision files remain version controlled; contact Rovynel Support with the product title and SKU when you need a register map, firmware, wiring document, or supplied manual.

Support page version 1.1. Reviewed August 1, 2026.