Pebble — Smart Tank Sensor

Category: Water Tank Monitoring

About this item

Live tank levels, alerts, and cloud dashboard—no app download needed.
Onboard Wi-Fi setup via built-in Access Point (SSID “Pebble-Setup”).
Choose your model: eco1 (1 tank), eco2 (2 tanks), eco485 (up to 6 tanks via RS-485).
Keep-alive (1–4h) and instant delta-trigger updates for reliable monitoring.
Designed for homes to hotels; expandable sensors and solar power options available.

Model:

Selected Pebble model

12V DC Power Supply (2A)

Solar Kit 10W (with controller)

Total price: $—

$279.00

Monitoring from $8/mo · Cancel anytime

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Pebble eco2 (2 tanks, 2 sensors included)

Quantity

Item total: $279.00

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Ships from and sold by EtankNet.

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Pebble + 1-Year Monitoring

—	Pebble eco1 (1 tank, 1 sensor included)	Pebble eco2 (2 tanks, 2 sensors included)	Pebble eco485 (up to 6 tanks — sensors sold separately)
Price	$199.00	$279.00	$349.00
Tanks supported	1	2	Up to 6
Sensors included	1	2	Sold separately
RS-485 daisy-chain	—	—	Yes
Best for	Homes	Homes w/ reserve	Hotels / sites

Spec	Details	Spec	Details
Connectivity	Onboarding AP (Pebble-Setup); Local UI http://192.168.4.1; 2.4 GHz Wi-Fi for cloud	Sensor interface	RS-485 terminals; eco485 multi-drop up to 6 channels
Update policy	Keep-alive 1–4h; instant delta-trigger	Status & controls	Display states: AP / CONN / NOrN; physical setup button
In the box	Pebble unit, terminal block, power adapter, quick start, mounting kit	Requirements	2.4 GHz Wi-Fi; compatible RS-485 sensor(s); phone/tablet/laptop with browser
Note: Electrical/datasheet values depend on hardware revision.

$19.00

Mains power adapter for Pebble main unit.

SKU: pebble_psu12v2a

$69.00

Compact panel + charge controller for low-power sites.

SKU: pebble_solar_10w

$99.00

Higher headroom for shaded or multi-sensor installs.

SKU: pebble_solar_20w