Sensor

• Range: 1, 2, 3, 5, 10 (or other ranges up to 200) m H2O
• Accuracy: ±0.25 (typ.) (combined linearity, hysteresis, repeatability) %Span
• Resolution: ±0.01 %Span
• Pressure reference: Sealed Gauge (with Built-in Atmospheric Pressure Sensor and floating housing)

• Temperature Coefficient of Zero:  ≤±0.03 %FS/degrees C
• Temperature Coefficient of Span:  ≤±0.03 %FS/degrees C
• Long term stability (1 year): ≤ 0.2 %Span
• Overload Protection: 150 %FS
• Load Cycles (Zero to Full Scale): 10+ Million
• Storage / Operation Temperature: -20 ~ +85 degrees Celsium
• Compensated temperature: 0 ~ 60 degress Celcius

Power

• Power Supply: Built-in Replaceable Lithium Battery, External Power (option)
• Rated Voltage: 3.6V
• Battery Lifetime: 50,000+ Readings and 10,000+ Transmission
  (with UDP protocol/ more than 10 years for most of applications)

Physical Specification

• Materials: O-rings: Viton, Sensor Head: SS304, Diaphragm: SS316, Oil: Silicon, Enclosure: POM and Compressed Plastic

• Process Connection: No Process Connection (or on request)

• Weight: ~2,500 (for 10m range) g
• Protection Rate: 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)