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Home » From Pain Points to Highlights: How HojellyTek Solves Five Major Level Monitoring Challenges

From Pain Points to Highlights: How HojellyTek Solves Five Major Level Monitoring Challenges

May 7, 2026

Target Audience: Technical Decision Makers, Procurement Managers, System Integrators
I. Power Supply Solution: Solar + Battery Dual Redundancy Design

Market Pain Point: Pure battery solutions have short battery life and require frequent maintenance; mains power solutions need wiring and fail during outages.

HojellyTek uses triple power protection to ensure continuous operation under any lighting and weather conditions:

  • Solar panel active charging: 3.3W solar panel continuously powers the device and charges the battery during daylight
  • High-capacity battery storage: 2000mAh 18650 battery seamlessly takes over on cloudy/rainy days or at night
  • Mains adapter backup: For indoor installations with outlets, USB power can be used directly

Result: Users never need to remember "change batteries every two months" and no dedicated wiring is required. As long as there is sunlight, the device works permanently.

II. Signal Coverage Solution: Separate Sensor + Main Unit Design

Common WiFi level meters use integrated design, installed at signal edge locations like rooftops where signal is poor through walls.

HojellyTek's separate architecture:

Main unit can be moved to optimal signal location

Sensor (ultrasonic transducer) connected to main unit via 3m cable

Sensor still installed at tank top (measurement requirement)
Result: Even if the tank is in a signal dead zone, simply position the main unit where WiFi coverage is good. For ultra-long distances, users can add WiFi extenders.

III. Protection Solution: IP67 Full Sealing + Wide Temperature Design

HojellyTek uses systematic protection design:

  • Sensor (ultrasonic transducer) : Fully waterproof potted, IP67 rated
  • Main unit (circuit board) : Waterproof housing + sealing ring, IP67 rated
  • Cable connections: Waterproof connectors + sealing rings
  • Housing material: ABS reinforced engineering plastic, UV-resistant

Result: Device withstands heavy rain, high temperature exposure, low temperature freezing, and even short-term submersion

IV. Installation Solution: Nut Mounting + Standard Pairing

HojellyTek simplifies installation to three steps:

  • Physical installation: Insert probe through tank top opening and tighten locking nut
  • Main unit placement: Position main unit where WiFi signal is strong
  • App pairing: Add device to network via standard Tuya App process

Result: Ordinary users complete entire installation within 20 minutes without professional tools.

V. Measurement Accuracy Solution: Ultrasonic Core + Multi-Level Calibration

HojellyTek's approach:

Built-in NTC thermistor for real-time temperature compensation
Intelligent echo processing algorithm prioritizing echoes consistent with level change patterns

Motion trajectory tracking filtering instantaneous jumps

Result: Stable, accurate level readings in both cold winters and hot summers

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