IoT Products

PLC2-N is our NB IoT - Cat-M1 Operated Low Power Level Transmitter for Corrosive Liquid MediaIt is designed to work in harsh environments and provide accurate measurements. Find out more at Ellenex.

Technical Specification


  • Range: 2, 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: Vented Gauge
  • Temperature Coefficient of Zero:  ≤±0.03 %FS/°C
  • Temperature Coefficient of Span:  ≤±0.03 %FS/°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 °C
  • Compensated temperature: 0 ~ 60 °C


  • 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: Body: Hastelloy or PVDF, Diaphragm: Hastelloy or Ceramic (Al2O3), Enclosure: ASA/ POM, O-ring: FKM/ FFKM

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

• Weight: ~1,300 (for 3m range) g
• Protection Rate: IP66 and UV protected enclosure and IP68 sensor head


  • 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)




Environment » Temperature Range » Industrial (-25°C / +65°C)