Description

Temperature & Humidity Transmitters are a device that measures and transmits temperature

and humidity data to a central monitoring system, making it an essential tool for many

industries.

FEATURES

• Supports RH%, ℃, dew point, CO2 measure
• Full 0…100%RH measure, +80℃ measure
• Pressure tolerance is up to 100bar (depends)
• Alarm output, analog output, RS485 output, Relay output, Modbus (RTU/TCP) protocol
• Corrosion-resistant IP65 housing, excellent performance in harsh environment
• Interchangeable stainless steel probe, connection various brand probes possible

APPLICATION

• HVAC Systems
• Agriculture industry
• Food storage and pharmacy industry
• Labs and clean room
• Weather Stations
• Industrial Processes, such as automotive, chemical, and petrochemical industries. 

  SPECIFICATION

  • Supply Power: 9…36VDC, 24VDC
  • Analog current output: 0…20mA, 4…20mA
  • Analog voltage output: 0…5V, 0…10V
  • Digital output: RS485
  • Protocols: Modbus (RTU/TCP)
  • Relay output (x 2): NO/NC, DC 24V 1A
  • Interchangeable probe types: Temperature & humidity probe, temperature probe, dew point probe, CO2 probe

  Relative Humidity Measurement

  • Range: 0…100%RH
  • Accuracy @23℃:, ±1.0%RH (10…90%RH); ±2.0%RH (<10%RH); ±3.0%RH (>90%RH)
  • Long term stability: <±2.0%RH in two years

  Temperature Measurement

  • Range: -40℃…+80℃, -70℃…+180℃ (depend models)
  • Accuracy: 0.2℃ (0 to 40℃); 0.3℃ (-40 to 0℃, 40 to 80℃)
  • Long term stability: < ±0.1℃in two years
  • Temperature sensor: Pt1000 RTD1/3 Class B IEC 751

  Dew Point Measurement

  • Range: -100…0℃Td, -60…+60℃ Td (depend models)
  • Accuracy ensured in 0…40℃:   ±0.2℃ Td

  CO2 Measurement

  • Range: 0…10000ppm, 0…20%vol
  • Accuracy:   depend connection sensor models

  Mechanical and other parameters

  • Working Environment: -40℃…+60℃, 0…100%RH
  • Storage temperature: -40℃…+80℃
  • Housing material: Aluminium oxidation
  • Ingress protection level: IP65
  • Probe protection: Stainless steel sintered filter
  • Display: 3.2 inch colour LCD,   No display (option)
  • Dimension: 160mm (L) x 115mm (H)   x 55mm (D)
  • Weight: 500g
  • Installation: Wall mounting, Direct pole Installation
  • Electric connection: M16 x 1.5, on terminals
  • EMC: Complies with EN61326-1 EMC standards

  SCOPE OF DELIVERY

  • BL7330 temperature & humidity transmitter w/ one channel
  • 100-240VAC to 24V-1A DC adapter
  • Cable gland x 2

  OPTIONAL ACCESSORIES AND SERVICES

  • Humidity & temperature probe w/ 2m cable (SN:BL798)
  • ISO17025 accredited calibration certificate   (SN: 9000-7330)
  • Upgrade two channels and four slots output (SN: 7330-2C)
  • Wall mounting fitting (SN: 7330-WMF )

  HOW TO ORDER

  • BL7330-LED: with LED display
  • BL7330-B: without display (Blank)