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 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

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

• 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-PH01 -- Water PH Sensor
• DR-ORP1 -- Oxidation-Reduction Potential Sensor
• DR-DO1 -- Dissolved Oxygen Sensor
• DR-TS1 -- Water Turbidity Sensor