Industrial humidity & temperature instrument for measurement & control. For applications requiring accuracy, stability and reliability:

• configurable to suit your application
• backed by A2LA certified Vaisala service center
• optional data logging and (W)LAN interface.

NEW High End Temperature & Humidity Transmitter

The testo 6681 High End Temperature and Relative Humidity (RH) transmitters are specifically designed for maximum uptime and minimum downtime in critical HVAC facility control applications.

According to Robert Bove, Product Manager, "The new testo 6681 delivers reliable performance, tighter HVAC temperature and humidity cont... (read more)

Designed for HVAC applications that require a maintenance free and stable humidity sensor at a moderate price. These units use Rotronic's industry leading sensor technology, along with state-of-the-art electronics, to bring a level of reliability to the HVAC market that was not previously available. (read more)

Perfect for the most demanding HVAC application. These units have superior performance, accuracy, and a unique, cost effective installation procedure. The interchangeable probe feature also makes it easy to maintain the transmitters with almost no downtime. (read more)

HygroFlex M: humidity temperature transmitter

Used at airport weather stations, meteorological towers, rooftop installations and any application with continuous data monitoring. Available with different supply voltages, including 115 VAC. (read more)

M1 Series Humidity Temperature Transmitter Designed for commercial and industrial HVAC applications Accuracy: 2%RH and 0.5°F Unique, cost effective installation procedure (read more)

The SEM165 is a Relative Humidity and Temperature Transmitter with stainless steel bodied probes offering an excellent performance in harsh industrial process control environments and energy management applications. (read more)

The M3 series Dew Point and Temperature Transmitter measures relative humidity and temperature and calculates dew point, mixing ratio or enthalpy (other psychrometric value available). It has a RS-485 port for connection to a PC via HygroClip DI interface (USB or Ethernet). (read more)

PGC's 800-1200 CFM system is a durable, high quality piece of humidity/temperature conditioning equipment for scientists and engineers whose research, testing, or quality control applications require environmental simulation and control within extremely narrow tolerances. (read more)

PGC's 400-700 CFM system is a durable, high quality piece of humidity/temperature conditioning equipment for scientists and engineers whose research, testing, or quality control applications require environmental simulation and control within extremely narrow tolerances. (read more)