NSnappy® Sense IR LWEU-N

Temperature measurement probe

NSnappy® Sense IR LWEU-N is a non-contact thermometer equipped with an infrared (IR) sensor. This model is intended for measuring the surface temperature of objects without touching them.

Sense IR LWEU-N model uses a LoRaWAN wireless connection to send the data to the cloud-based NSnappy® service.

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User Manual and Brochure
Environment
  • Storage conditions: -40…+60°C, relative humidity 5-95%, non-condensing
  • Operating conditions: -20…+45°C, relative humidity 5-95%, non-condensing
  • Protection class: IP65
  • Enclosure material: PC+ABS (Bayblend® T88-4N)
Dimensions
  • Dimensions: 119 x 28 x 23 mm
IR temperature measurement
  • Sensor: Gradient-compensated thermopile infrared temperature sensor with integrated optics
  • Measurement beam: 12°, practical measurement distance 5…20 cm
  • Target emissivity: Fixed 0,95
  • Measuring range: -70…+380°C
  • Accuracy:
    ±1 °C within range -20…+100°C, when device temperature is +5…+45°C and stable
    ±2 °C within range -40…+120°C, when device temperature is +5…+45°C and stable
  • Measuring interval: About 5 seconds
Radio connection
  • Description: LoRaWAN standard, EU 868 MHz frequency range
  • Transmitter module: Murata ABZ-093 LoRaWAN modem
  • Antenna: Internal
  • Compatibility: Nokeval NSnappy Hubs and Cloud Service
  • Frequency: 863-870 MHz (LoRaWAN 1.0.2 EU band)
  • Power: Max +14 dBm E.R.P.
  • Range: Depends on environment, indoors: in good conditions up to hundreds of meters, outdoors: line-of-sight up to 10 km
Power supply
  • Type :3.6 V lithium thionyl chloride primary battery, not user replaceable
  • Battery life: At least 1 year with 20 minutes of use per day