WHD48-11

LED display;
Measure display and control 1 channel temperature and humidity

/C:RS485 communication

WHD72-11

LED display;
Measure display and control 1 channel temperature and humidity

/J: relay alarm output
/C:RS485 communication
/M: analog output(DC4-20mA)
/UT:Utility Tunnel

(M & C cannot be select at the same time)

WHD72-22

LED display;
Measure display and control 2 channels temperature and humidity

WHD20R-11

LED display; Din rail mount
Measure display and control 1 channel temperature and humidity

/J: relay alarm output
/C:RS485 communication
(C&J can be selected at the same time)

WHD20R-22

LED display;
Measure display and control 2 channels temperature and humidity

WHD46-11

LED display;
Measure display and control 1 channel temperature and humidity

/J: relay alarm output
/C:RS485 communication
/M: analog output(DC4-20mA)
(Choose one from above three)

WHD46-22

LED display;
Measure display and control 2 channels temperature and humidity

WHD46-33

LED display;
Measure display and control 3 channels temperature and humidity