Water quality sensor

Seeed SenseCAP

S2106

pH sensor for water

Battery-powered pH sensor with measuring electrode, for example for pools, tanks, cisterns and hydroponics.

Measuring range

0–14 pH, ±0.1 pH

Power supply

Battery ER34615 (Li-SOCl₂), replaceable

Battery life

up to 10 years

Protection rating

IP66

Operating temperature

−40 to +85 °C

Setup

via Bluetooth and app

Technical datasheet (PDF)

Dragino

WQS-LB

Water quality transmitter for up to three probes

Connects up to three water quality probes via RS485 to LoRaWAN, for mains, service, process and waste water. The probes are chosen according to the measuring task.

Probes

up to 3, available separately

Measured variables

Conductivity (EC), pH value, dissolved oxygen (DO), redox potential (ORP), suspended solids (TS), chlorine (CL), chemical oxygen demand (COD)

Example EC probe

0–2,000 µS/cm or 10–20,000 µS/cm, ±1 % of full scale, with temperature, IP68, 5 m cable

Interface

RS485 (Modbus)

Power supply

Battery, 8,500 mAh (Li-SOCl₂)

Battery life

several years (manufacturer's specification, depending on transmission interval and probes)

Operating temperature

−40 to +85 °C

Technical datasheet (PDF)

Technical data according to the manufacturer's datasheet, battery life under the stated conditions. All devices shown transmit via LoRaWAN. In addition to these examples, we also use LoRaWAN devices from other manufacturers depending on requirements.