Web-Thermo-Hygrometer ++

Properties

Sensor:

• Temperature sensor:
  • Measuring range: -20°C...80°C
• Relative humidity sensor:
  • Measuring range: 0...100% RH

Connectivity:

• Intuitive Web interface for simpler configuration
• Monitor temperatures and trends from a browser
• Alarm and reporting function:
  • E mail for alarm or as reporting function
  • SNMP polling / alarm traps
  • Configure up to 12 alarm messages
• Dynamic integration into other Web sites:
  • Direct access to current measurement values, e.g. JavaScript (AJAX).
• Current Industry 4.0 protocols:
  • OPC UA, REST and MQTT support
• Additional software interfaces for incorporating into your systems/databases:
  • SNMPv1, SNMPv2c, SNMPv3
  • Modbus-TCP
  • OPC UA, OPC DA
  • Syslog
  • Sensobase (database integration via ODBC)
  • TCP and UDP sockets, client and server
  • FTP (data logging)
• Possible applications:
  • Reference instrument in laboratory environments for monitoring fixed climate chambers
  • Normal for calibrations of other RH/Temp. sensors
  • Reliable measurement of constantly high humidity values in food production (cheese, mushrooms, greenhouse, etc...)
  • Energy optimization from precise climate setting
  • Exterior use / meteorology (Requires a suitable protective enclosure for the sensor against solar radiation and precipitation)
  • Monitoring storage conditions for high-value goods

Data logger:

• Internal data logger
  • Memory size: min. 12 weeks, max. 20 years
  • Save frequency: 15, 30 sec, 1, 5, 15, 60 min
• Document measurement data online in the W&T Cloud and access from anywhere in the world
• Internal clock
  • Time synchronization using time server calibration
  • Battery-backed device clock

Standards & more

• optional: ISO factory calibration per DIN EN ISO/IEC 17025
  • with calibration certificate for verified documentation of the measured value deviations
  • Valid for 12 months
• optional: DAkkS/DKD calibration per DIN EN ISO/IEC 17025
  • with calibration certificate for verified traceability to national standards
  • Valid for 12 months
• Supply voltage via Power-over-Ethernet (PoE)
  • Phantom power using data pairs
  • Power over unused wire pairs
  • External power supply is an alternative
• Conforms to standards both in office and industrial environments:
  • High noise resistance per EN 61000-6-2
  • Low noise emission per EN 55032:2015 + A1 Cl. B, EN 61000-3-2 & EN 61000-3-3
• 5 year guarantee

Technical data

Connections and displays:

• Combined sensor:
  • Temperature and relative humidity measurement
  • M8 connector
  • Cable length: 2m (can be extended to max. 20m)
• Network:
  • 10/100BaseT Autosensing/Auto-MDIX
  • RJ45
  • IPv6 on request
• Galvanic isolation:
  • Network connection min. 1500 V
• Supply voltage:
  • Power-over-Ethernet (PoE) or
  • DC 12V .. 48V (+/-10%)
• Supply connection:
  • Plug-in screw terminal, 5.08mm spacing
  • Labeled "L+" and "M"
• Current consumption:
  • PoE Class 1 (0.44 - 3.84W)
  • typ. 110mA @12V, 55mA @24VDC
• Displays:
  • 1 LED Power
  • 2 LEDs Network Status
  • 2 LEDs Status and Error

Measuring unit:

• Measuring range:
  • -20°C...80°C, 0..100% RH
• Resolution:
  • 1/10 °C, 1/10% rH
• Display variables:
  • °Celsius, °Fahrenheit, °Kelvin,
    %relative humidity, abs. humidity g/m³, dew point °C,
    mixing ratio g/kg, enthalpy kJ/kg
• 
  Measuring error:
  • 
    Temperature:
  • typ. ±0.1°K @ 0..70°C
  • typ. ±0.2°K @ -20..80°C
  • 
    Relative humidity:
  • typ. ±0.5% RH @ 15..30°C
  • typ. ±0.8% RH @ 0..50°C
  • typ. ±2.5% RH @ -20..80°C
• 
  Measuring frequency:
  • 
    4s
• Storage frequency:
  • 15s, 30s, 1m, 5m, 15m, 60m
• Memory depth (4MB):
  • min. 12 weeks, max. 20 years

Housing and other data:

• Housing:
  • Plastic compact housing for top-hat rail mount
• Dimensions:
  • 105x22x75mm (LxWxH)
• Enclosure rating:
  • IP20
• Weight:
  • approx. 200g
• Ambient temperature
  • Storage: -10..60°C
  • Device operating temp., not stacked: 0..60°C
  • Stacked: 0..50°C
  • Sensor operating temp.: -20..80°C
• Permissible relative humidity:
  • 0..100% relative humidity
• Scope of delivery:
  • 1x Web-Thermo-Hygrometer
  • 1x sensor, 2m (temperature, humidity)
  • 1x Quick Guide

* Our offering is intended only for commercial users. We will be happy to refer private end customers to trading partners through whom our products can be purchased.