Sensor

●  Measurement Principle: luminescent optical, approved by the ASTM - D888-05 without need of recalibration

●  Measurement Range: 0 - 20 mg/L, 0 -20 ppm, 0-200 %

●  Accuracy: +/- 0.1 mg/L,  +/- 0.1 ppm, +/- 1 %

●  Resolution: 0.01

●  Water Move: No necessary move 

●  Temperature Compensation: Via NTC

●  Storage Temperature: -10 to +60 °C

Power

• Power Supply: Built-in Replaceable Lithium Battery, External Power (option)
• Rated Voltage: 3.6V
• Battery Lifetime: 10,000+ Readings and 5,000+ Transmission
  (with UDP protocol/ more than 5 years for most of applications)

Physical Specification

●  Materials: Sensor Head: stainless steel 316L (Titanium on request) Enclosure: POM

●  Max. Pressure on Sensor Head: 5bar

●  Weight: ~800 (for 3m cable) g

• Protection Rate: IP68 for sensor head and IP66 or IP68 and UV Protected enclosure

Communication

• SIM Card Type: 4FF Nano-SIM, from any Network Provider
• Firmware Update: Over The Air, Locally via Wireless Connectivity
• Sampling Period: Configurable via downlink (default 4 hours)
• Power Consumption: Power Saving: < 5uA, Transmission: < 220mA
• Communication Standards: Cat-NB1 (NB-IoT), Cat-M1 (option of back support by GPRS)
• Communication Bands: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28 and B39
• Data Rates: Cat-M1: 375Kbps (DL)/375Kbps (UL) NB-IoT: 32Kbps (DL)/70Kbps (UL)
• TX Power: 23dBm
• Min Receiver Sensitivity: Cat-M1: -107dBm, NB-IoT: -113dBm
• Antenna: Internal (Default)/ External (customised options available)
• Optional Features: 
  • Attach without PDN (Packet Data Network)
  • Support for IPV6
  • SMS communication
  • Mobility support (Cat-M1 only)