Features: 

• Frequency Bands:B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85
• Ultra-low power consumption
• Measure water quality and provide information for water quality conditions
• Support EC / PH / DO / ORP/ TS/ CL Type Water Quality Probe
• Support 1 ~ 3 probes
• Support Bluetooth v5.1 remote configure and update firmware
• Uplink via MQTT, MQTTs, TCP, UDP or CoAP
• 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
• Cable Length: 5 meters

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
• Cable Length: 5 meters

DR-EC200 -- Four Electrode for high EC such as sea water:

• Power supply: DC 7~30V
• Power consumption: <0.5W
• Interface: RS485. 9600 Baud Rate
• EC Range: 1 ~ 200,000μs/cm , Resolution: 1 μS/cm
• EC Accuracy: ±1%FS
• Salinity measurement range: 0 ~ 70PSU, Resolution: 0.1PSU
• Temperature Measure Range: -5 ~ 80 °C, Resolution: 0.1°C
• Temperature Accuracy: ±0.5 °C
• Temperature compensation range: -5 ~ 80 °C (default compensation temperature 25°C)
• Temperature compensation coefficient: Default 0.2
• Working environment:
  • Ambient Temperature: 0 ~ 60°C
  • Relative Humidity: <85% RH(Specifically refers to the cable male and female)
  • EC200 Continuous monitoring of cross-section water quality, aquaculture,sewage treatment, environmental protection, pharmaceuticals, food, tap water, seawater and other high conductivity environments.

• IP Rated: IP68
• Pressure resistance: 0.6MPa
• Cable Length: 5 meters 

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
• Cable Length: 5 meters 

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
• Cable Length: 5 meters

 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
• Cable Length: 5 meters

DR-TS200 / DR-TS4000 -- Water Turbidity Sensor: 

• Power supply: DC 10~30V
• Power consumption: ≤0.2W
• Communication interface: RS485; standard MODBUS-RTU protocol; Baud rate: Default: 9600 (configurable to 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200)
• Measurement range: TS200: 0~200 NTU; TS4000: 0~ 4000NTU
• Resolution: Turbidity TS200: 0.1 NTU / TS4000: 1 NTU; Temperature: 0.1°C
• Accuracy: ±5%FS(25°C); ±0.5°C
• Operating temperature: 0-40°C
• Measurement principle: 90° light scattering
• Lifespan: 2 years under normal use
• IP Rated: IP68
• Electrode cable length: 5m by default

DR-CL-2ML -- Integrated Residual Chlorine Sensor:

• Power supply: DC 7~30V
• Power consumption: 0.19W
• Interface: RS485. 9600 Baud Rate
• CL Range: 0 ~ 2 mg/L , Resolution: 0.01 mg/L
• CL Accuracy: ± 5% FS
• Working environment:
  • Temperature range: 0 ~ 50 °C
  • pH: 4 ~ 9
  • Flow rate: 30 ~ 60L/h (flow channel installation)
• IP Rated: IP68
• Pressure resistance: 0.6MPa
• Cable Length: 5 meters

DR-CL-10ML -- Integrated Residual Chlorine Sensor:

• Power supply: DC 7~30V
• Power consumption: 0.19W
• Interface: RS485. 9600 Baud Rate
• CL Range: 0 ~ 10 mg/L , Resolution: 0.01 mg/L
• CL Accuracy: ± 5% FS
• Working environment:
  • Temperature range: 0 ~ 50 °C
  • pH: 4 ~ 9
  • Flow rate: 30 ~ 60L/h (flow channel installation)
• IP Rated: IP68
• Pressure resistance: 0.6MPa
• Cable Length: 5 meters

NB-IoT Spec: 

 NB-IoT Module: BC660K-GL 

Support Bands: 

• B1 @H-FDD: 2100MHz
• B2 @H-FDD: 1900MHz
• B3 @H-FDD: 1800MHz
• B4 @H-FDD: 2100MHz
• B5 @H-FDD: 860MHz
• B8 @H-FDD: 900MHz
• B12 @H-FDD: 720MHz
• B13 @H-FDD: 740MHz
• B17 @H-FDD: 730MHz
• B18 @H-FDD: 870MHz
• B19 @H-FDD: 870MHz
• B20 @H-FDD: 790MHz
• B25 @H-FDD: 1900MHz
• B28 @H-FDD: 750MHz
• B66 @H-FDD: 2000MHz
• B70 @H-FDD: 2000MHz
• B85 @H-FDD: 700MHz 

 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: 

• STOP Mode: 10uA @ 3.3v
• Max transmit power: This email address is being protected from spambots. You need JavaScript enabled to view it.  

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

Package Includes:

• WQS-NB -- NB-IoT Water Quality Sensor Converter x 1

Dimensions and Weight:

• Package Dimension: mm
• Weight : g 

Part Number: WQS-NB-XX

XX: 

• GE: General version ( Exclude SIM card) 
• 1T: with 1NCE* 10 years 500MB SIM card and Pre-configure to ThingsEye server 

Notice: WQS-NB doesn't include water quality sensor. User need to purchase seperately.

water quality sensor Probe Options:  

• DR-ECK1.0/10.0 -- Water Electrical Conductivity Sensor
• DR-EC200 -- Four Electrode for high EC such as sea water
• DR-PH01 -- Water PH Sensor
• DR-ORP1 -- Oxidation-Reduction Potential Sensor
• DR-DO1 -- Dissolved Oxygen Sensor
• DR-TS200 / TS4000 -- Water Turbidity Sensor
• DR-CL-2ML -- Integrated Residual Chlorine Sensor
• DR-CL-10ML -- Integrated Residual Chlorine Sensor