Web Thermo-Hygrometer XT

Properties

Sensor:

• Temperature sensor:
  • Measuring range: -40°C...85°C
• Relative humidity sensor:
  • Measuring range 0..100% RH, permissible ambient: 0..95% (non-condensing)

Connectivity:

• Expanded voltage range: 24V - 60V DC
• Watertight fittings for all connections
• 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:
  • Logging of measurements via FTP, Excel file, email attachment and internal memory
  • Dewpoint measurement, climate monitoring
  • Green IT: Monitor efficiency of the server room climate control

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 via 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
  • Round connector, IP68
  • Cable length: 2m (can be extended to max. 20m)
  • Sintered cap
• Network:
  • 10/100BaseT Autosensing/Auto-MDIX
  • Socket RJ45 IP67
  • Cable diameter: 7 mm
• Galvanic isolation:
  • Network connection min. 1500 V
• Power supply:
  • Power-over-Ethernet (PoE) or
  • DC 24V .. 60V (+-10%)
• Supply connection:
  • 2-pin round connector IP68
  • Cable diameter: 5-8 mm
• Current consumption:
  • PoE Class 1 (0.44 - 3.84W)
  • typ. 62mA @24VDC
  • max. 70mA @24VDC
• Indicators:
  • 1 LED power
  • 1 LED status
  • 1 LED warning
  • 1 LED error

Measuring unit:

• Measuring range:
  • -40°C...85°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. @ 25°C ±0.3°C
  • max. @ -40..85°C ±1.5°C
  • 
    Relative humidity:
  • typ. @ -20..60°C (normal range) ±1.8%rH (10-90%rH)
  • max. @ -20..60°C (normal range) ±4%rH (0-100%rH)
  • temporary @ -40..85°C (max range) +3%rH nach 60h Operation outside normal range
  • Long-term stability typ. <0.5%rH / year
• 
  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 housing for DIN rail mounting
  • 122x82x55mm (lxwxh)
• Enclosure rating:
  • IP67 (device)
  • IPX4 (sensor)
• Weight:
  • approx. 460g
• Ambient temperature
  • Storage: -40..+70°C
  • Operating: Non-contiguous mounting: 0 .. +60°C
  • contiguous mounting: 0 .. +50°C
• Permissible relative humidity:
  • 0..95% RH (non-condensing)
• Scope of delivery:
  • 1x Web-Thermo-Hygrometer XT
  • 1x W&T sensor, 2m (temperature, relative humidity) with sintered cap
  • 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.