Equivalence with Previous Models

To find the transmitter that is the most suitable for your application, we suggest that you look first at the specifications associated with each product.

For detailed product information, click on any product picture below.

M2 Series

M3 Series

HygroClip DI

• Relative humidity and temperature
• Recommended application range: 0...100%RH and
  -40...85°C / -40...185°F
• Accuracy: ± 1.5%RH and 0.3ºC / 0.5ºF
• 2-wire loop powered
  (4-20 mA) or 3-wire versions (4-20 mA, 0-5V or other)
• Plug-in HygroClip^® probe facilitates field maintenance
• Probe can be separated from transmitter by up to 5 m / 16.4 ft
• Optional display (3-wire models only)
• NEMA 4 enclosure

• Relative humidity, temperature or a calculated parameter such as dew point, mixing ratio, enthalpy
  or other
• Recommended application range: 0...100%RH and
  -40...85°C / -40...185°F
• Accuracy: ± 1.5%RH and 0.3ºC / 0.5ºF
• Two analog output signals (4-20 mA, 0-5V or other) and RS-485 port for networking applications (software package is available)
• Plug-in HygroClip^® probe facilitates field maintenance
• Probe can be separated from transmitter by up to 5 m / 16.4 ft
• optional display
• 3-wire electronics
• NEMA 4 enclosure

• Network interface designed to operate with the ROTRONIC HW4 software (v 1.2.2 or higher)
• Connects up to two HygroClip digital humidity-temperature probes
• Based on the probe measurements, computes dew point or another psychrometric parameter
• Connects to the PC up to 63 devices with RS-485 port
• PC interface: USB port or wired / wireless Ethernet (TCP/IP)
• Application range and accuracy depend on probe model