IoT Products

TTS2-N is our NB IoT - Cat-M1 Operated Low Power Temperature Transmitter for Liquid and Gas Media. It is designed to work in harsh environments and provide accurate measurements. Find out more at Ellenex.

Technical Specification


  • Range: -50°C to +250°C (sensing element), -10 ~ +70 °C (electronic housing)

  • Accuracy:  IEC 60751

    • Class B (+ /- 0.12% or +/-0.3°C at 0°C)

    • Class A (+ /- 0.15°C at 0°C),

    • Class1/3DIN (+ /- 0.08°C at 0°C)

    • Class1/10DIN (+ /- 0.03°C at 0°C)

      Other accuracies available on request

  • Sensing Element: Pt100, Pt1000
    (or other sensors available on request)

  • Long term stability (1 year): ≤ 0.2 %Span


  • 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: Sheath: SS316 (3mm or 6mm OD), Silicone Rubber Cable
  • Process connection: G1/4 Male (only for type G)
  • Weight: ~450 g
  • Protection rate: IP66, UV protected (other options available upon request)


  • 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)