P8511 Web Sensor – COMET single-channel temperature and humidity meter


Šifra: P8511

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Delivery time: okvirno 2 tedna

  • LAN connection: RJ-45
  • Calibration certificate enclosed
  • operating temperature range: – 30 … + 80 °C
  • Output: Ethernet
  • Power supply: 5 V DC
  • Protection class: IP 30
  • dimensions: 88 x 74 x 39,5 mm




P8511 Web Sensor – Single-channel temperature and humidity meter is used to measure temperature or relative humidity, with the possibility to connect an external probe, allowing temperature and humidity measurements.

The temperature display can be in degrees Celsius (°C) or in Fahrenheit (°F). Relative humidity is shown as a percentage (% RH).

P8511 Web The sensor communicates via Ethernet The device requires a power supply, which is not included.

Simple wireless communication using a web sensor and an optional TP-LINK wireless router.


Features of P8511

For temperature

  • measuring range: -55 … +105 °C
  • Accuracy: depends on the selected temperature sensor
  • resolution: 0.1 °C

For relative humidity

  • measuring range: depending on the selected probe
  • Accuracy: depends on the probe selected
  • resolution: 0.1 % RH


  • operating temperature: – 30 … + 80 °C
  • Output: Ethernet
  • measuring interval: 2 s
  • communication protocol: WWW, ModBusTCP, SNMPv1, SOAP, XML
  • Alarm protocols: e-mail, SNMP Trap, Syslog
  • Power supply: 5 V DC
  • Protection class: IP 30
  • dimensions: 88 x 74 x 39,5 mm
  • weight: 125 g
  • Warranty: 3 years
  • Set includes: the P8511, user manual, calibration certificate with traceability and FREE TSensor software to configure the transducer


P8511 Web Sensor – dual-channel, with binary inputs, connects to COMET Database manager and COMET Database viewer software.

An A1825 adapter is also available for purchase.

You can find much more useful information in the Documentation tab.


You are invited to read our article ”Web sensors”.