The Dragino WQS-LS is a Main Unit is advanced instruments designed for comprehensive water quality monitoring across various applications. They are ideal for monitoring tap water, industrial water, environmental water, and wastewater,etc,which ofer precise and reliable measurements to ensure water quality standards are met.

The Dragino WQS-LB is a Main Unit supports 1-3 probes. supports connecting 1 to 3 water quality probes, including EC, pH, DO, ORP, and TS probes.

 It detects water quality parameters, and uploads the value via wireless to LoRaWAN Server.

WQS-LS supports BLE con­figure and wireless OTA update which makes user easy to use.

WQS-LS is powered by 3000mAh Li-ion battery power  with Built-in 0.9w solar panel

Features: 

• LoRaWAN 1.0.3 Class A
• Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
• Ultra-low power consumption
• Measure water quality and provide information for water quality conditions
• Support EC / PH / DO / ORP/ TS Type Water Quality Probe
• Support 1 ~ 3 probes
• Support Bluetooth v5.1 and LoRaWAN remote configure
• Support wireless OTA update firmware
• AT Commands to change parameters
• Uplink on periodically
• Downlink to change configure
• 8500mAh Li/SOCl2 Battery

Applications: 

Specification: 

Common DC Characteristics: 

• Supply Voltage: Built-in Battery , 2.5v ~ 3.6v
• Operating Temperature: -40 ~ 85°C

Water Quality Sensor Spec: 

DR-ECK1.0 -- Water Electrical Conductivity Sensor: 

• Power supply: DC 7~30V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• EC range: K=0~2000μs/cm;
• EC Resolution: 1 μS/cm
• EC Accuracy: ±1%FS
• Temperature Measure Range: -20 ~ 60 °C, Resolution: 0.1°C
• Temperature Accuracy: ±0.5 °C
• Working environment: Temperature range: 0~60 °C
• Equipped with salinity and TDS conversion function
• IP Rated: IP68
• Pressure resistance: 0.6MPa

DR-ECK10.0 -- Water Electrical Conductivity Sensor: 

• Power supply: DC 7~30V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• EC range: K=10~20000μs/cm;
• EC Resolution: 10 μS/cm
• EC Accuracy: ±1%FS
• Temperature Measure Range: -20 ~ 60 °C, Resolution: 0.1°C
• Temperature Accuracy: ±0.5 °C
• Working environment: Temperature range: 0~60 °C
• Equipped with salinity and TDS conversion function
• IP Rated: IP68
• Pressure resistance: 0.6MPa

DR-PH01 -- Water PH Sensor: 

• Power supply: DC 7~30V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• PH Range: 0 ~ 14.00 PH
• Resolution: 0.01 PH
• PH Accuracy: ±0.15 PH
• Auto Temperature Compensate
• Temperature Measure Range: 0 ~ 60 °C, Resolution: 0.1 °C
• Temperature Accuracy: ±0.5 °C
• Working environment: Temperature range: 0~60 °C
• The reference electrode adopts a double salt bridge design
• IP Rated: IP68
• Pressure resistance: 0.6MPa 

DR-ORP1 -- Oxidation-Reduction Potential Sensor:  

• Power supply: DC 7~30V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• High purity platinum electrode for ORP
• ORP Range: -1999 ~ 1999 mV; Resolution: 1mV
• ORP Accuracy: ±3 mV
• Auto Temperature Compensate
• Working environment: Temperature range: 0~60 °C; Humidity < 85% RH
• IP Rated: IP68
• Pressure resistance: 0.6MPa

 DR-DO1 -- Dissolved Oxygen Sensor: 

• Power supply: DC 5~24V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• Optical Dissolved Oxygen Measurement
• DO Range: 0 ~ 20.00 mg/L , Resolution: 0.01 mg/L
• DO Accuracy: ± 3%
• Temperature Measure Range: 0 ~ 50 °C, Resolution: 0.01 °C
• Temperature Accuracy: ±0.5 °C
• Working environment: Temperature range: 0~60 °C; Humidity < 95% RH
• The electrode adopts high-quality low-noise cable
• IP Rated: IP68
• Pressure resistance: 0.6MPa

 DR-TS1 -- Water Turbidity Sensor: 

• Power supply: DC 5~24V
• Power consumption: ≤0.5W
• Interface: RS485. 9600 Baud Rate
• Measurement range: 0.1~1000.0 NTU
• Resolution: 0.1 NTU
• Accuracy: ± 5%
• Stability: ≤3mV/24 hours
• Working environment: Temperature range: 0~60 °C; Humidity ≤ 95% RH
• IP Rated: IP68
• Pressure resistance: 0.6MPa

LoRa Spec: 

• Frequency Range,  Band 1 (HF): 862 ~ 1020 Mhz
• Max +22 dBm constant RF output vs.
• RX sensitivity: down to -139 dBm.
• Excellent blocking immunity 

Battery:

• Li/SOCI2 un-chargeable battery
• Capacity: 8500mAh
• Self-Discharge: <1% / Year @ 25°C
• Max continuously current: 130mA
• Max boost current: 2A, 1 second

Power Consumption: 

• Sleep Mode: 5uA @ 3.3v
• LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

DOCUMENTS:

• DataSheet, Document Base
  
• User Manual -- Online Latest
• Shared Folder for all Dragino Products