| HD4917ETO1 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Extended range, fixed horizontal probe, stem 135 mm |
| HD4917ETO1L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Extended range, fixed horizontal probe, stem 135 mm. LCD display |
| HD4917ETO2 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Extended range, fixed horizontal probe, stem 335 mm |
| HD4917ETO2L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Extended range, fixed horizontal probe, stem 335 mm. LCD display |
| HD4917TC1.10 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 10m |
| HD4917TC1.10L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 10m. LCD display |
| HD4917TC1.2 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 2m |
| HD4917TC1.2L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 2m. LCD display |
| HD4917TC1.5 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 5m |
| HD4917TC1.5L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 5m. LCD display |
| HD4917TC2.10 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 10m |
| HD4917TC2.10L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 10m. LCD display |
| HD4917TC2.2 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 2m |
| HD4917TC2.2L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 2m. LCD display |
| HD4917TC2.5 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 5m |
| HD4917TC2.5L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 5m. LCD display |
| HD4917TO1 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 135 mm |
| HD4917TO1L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 135 mm. LCD display |
| HD4917TO2 | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 335 mm |
| HD4917TO2L | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 335 mm. LCD display |
| HD4917TV | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed vertical probe |
| HD4917TVL | Dual relative humidity and temperature passive transmitter. Output 4-20mA. Fixed vertical probe. LCD display |
| HD4977TC1.10 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 10m |
| HD4977TC1.10L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 10m. LCD display |
| HD4977TC1.2 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 2m |
| HD4977TC1.2L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 2m. LCD display |
| HD4977TC1.5 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 5m |
| HD4977TC1.5L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 135 mm. Cable 5m. LCD display |
| HD4977TC2.10 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 10m |
| HD4977TC2.10L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 10m. LCD display |
| HD4977TC2.2 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 2m |
| HD4977TC2.2L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 2m. LCD display |
| HD4977TC2.5 | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 5m |
| HD4977TC2.5L | Dual dew point and temperature passive transmitter. Output 4-20mA. Probe with cable, stem 335 mm. Cable 5m. LCD display |
| HD4977TO1 | Dual dew point and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 135 mm |
| HD4977TO1L | Dual dew point and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 135 mm. LCD display |
| HD4977TO2 | Dual dew point and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 335 mm |
| HD4977TO2L | Dual dew point and temperature passive transmitter. Output 4-20mA. Fixed horizontal probe, stem 335 mm. LCD display |
| HD4V3TS1 | Active hotwire air speed transmitter with output 0…10Vdc. Range 0.20…40m/s. Directional probe diameter=8mm, 2m cable. |
| HD4V3TS2 | Active hotwire air speed transmitter with output 0…10Vdc. Range 0.08…5.00m/s. Omnidirectional probe diam.=8mm, 2m cable. |
| HD4V3TS3 | Active hotwire air speed transmitter with output 0…10Vdc. Range 0.20…40m/s. Flexible probe, diameter=8mm, cable L=2m. |
| HD4V3TS4 | Active hotwire air speed transmitter with output 0…10Vdc. Range 0.08…5.00m/s. Omnidirectional probe with protection cage. |
| HD4V8T-10MBD1 | Transmitter of differential pressure with respect to atmosphere. Output 0-5 Vdc. Range -10…10 mbar |
| HD4V8T-10MBD2 | Transmitter of differential pressure with respect to atmosphere. Output 1-5 Vdc. Range -10…10 mbar |
| HD4V8T-10MBD3 | Transmitter of differential pressure with respect to atmosphere. Output 0-10 Vdc. Range -10…10 mbar |
| HD4V8T-10MBG1 | Transmitter of relative pressure with respect to atmosphere. Output 0-5 Vdc. Range 0…10 mbar |
| HD4V8T-10MBG2 | Transmitter of relative pressure with respect to atmosphere. Output 1-5 Vdc. Range 0…10 mbar |
| HD4V8T-10MBG3 | Transmitter of relative pressure with respect to atmosphere. Output 0-10 Vdc. Range 0…10 mbar |
| HD4V8T-200MBD1 | Transmitter of differential pressure with respect to atmosphere. Output 0-5 Vdc. Range -200…200 mbar |
| HD4V8T-200MBD2 | Transmitter of differential pressure with respect to atmosphere. Output 1-5 Vdc. Range -200…200 mbar |
| HD4V8T-200MBD3 | Transmitter of differential pressure with respect to atmosphere. Output 0-10 Vdc. Range -200…200 mbar |
| HD4V8T-200MBG1 | Transmitter of relative pressure with respect to atmosphere. Output 0-5 Vdc. Range 0…200 mbar |
| HD4V8T-200MBG2 | Transmitter of relative pressure with respect to atmosphere. Output 1-5 Vdc. Range 0…200 mbar |
| HD4V8T-200MBG3 | Transmitter of relative pressure with respect to atmosphere. Output 0-10 Vdc. Range 0…200 mbar |
| HD4V8T-20MBD1 | Transmitter of differential pressure with respect to atmosphere. Output 0-5 Vdc. Range -20…20 mbar |
| HD4V8T-20MBD2 | Transmitter of differential pressure with respect to atmosphere. Output 1-5 Vdc. Range -20…20 mbar |
| HD4V8T-20MBD3 | Transmitter of differential pressure with respect to atmosphere. Output 0-10 Vdc. Range -20…20 mbar |
| HD4V8T-20MBG1 | Transmitter of relative pressure with respect to atmosphere. Output 0-5 Vdc. Range 0…20 mbar |
| HD4V8T-20MBG2 | Transmitter of relative pressure with respect to atmosphere. Output 1-5 Vdc. Range 0…20 mbar |
| HD4V8T-20MBG3 | Transmitter of relative pressure with respect to atmosphere. Output 0-10 Vdc. Range 0…12 mbar |
| HD4V8T-50MBD1 | Transmitter of differential pressure with respect to atmosphere. Output 0-5 Vdc. Range -50…50 mbar |
| HD4V8T-50MBD2 | Transmitter of differential pressure with respect to atmosphere. Output 1-5 Vdc. Range -50…50 mbar |
| HD4V8T-50MBD3 | Transmitter of differential pressure with respect to atmosphere. Output 0-10 Vdc. Range -50…50 mbar |
| HD4V8T-50MBG1 | Transmitter of relative pressure with respect to atmosphere. Output 0-5 Vdc. Range 0…50 mbar |
| HD4V8T-50MBG2 | Transmitter of relative pressure with respect to atmosphere. Output 1-5 Vdc. Range 0…50 mbar |
| HD4V8T-50MBG3 | Transmitter of relative pressure with respect to atmosphere. Output 0-10 Vdc. Range 0…50 mbar |
| HD4V8TBARO | Barometric transmitter to wall mount for indoor use, with 0…1 Vdc analog output. Measuring range 600…1100mbar. |
| HD5014b7PTC | WiFi / Ethernet datalogger, Pt100 temperature and RH for cable probes, integrated barometric sensor |
| HD5014bNTC | WiFi / Ethernet datalogger, NTC10KΩ temperature and RH for cable probes, integrated barometric sensor, cable probe |
| HD5014bNTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and atmospheric pressure, fixed vertical probe |
| HD5017PTC | WiFi / Ethernet datalogger, Pt100 temperature and RH for cable probes |
| HD501N4r1zTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and differential pressure, fixed vertical probe |
| HD501NB2TV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and high-range CO₂, fixed vertical probe |
| HD501NBTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and CO₂, fixed vertical probe |
| HD501NTC | WiFi / Ethernet datalogger, NTC10KΩ temperature and RH for cable probes |
| HD501NTV | WiFi / Ethernet datalogger, NTC10KΩ temperature and RH for fixed vertical probe |
| HD50CR | WiFi / Ethernet transmitter / datalogger, differential pressure. RS485 Modbus-RTU and Ethernet output |
| HD50CR-AS | Differential pressure transmitter / data logger. RS485 Modbus-RTU output. |
| HD50G14b7PTC | WiFi / Ethernet datalogger, Pt100 temperature and RH for cable probes, integrated barometric sensor, with display |
| HD50G14bNTC | WiFi / Ethernet datalogger, NTC10KΩ temperature and RH for cable probes, with graphic display |
| HD50G14bNTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and atmospheric pressure, with graphic LCD, fixed vertical probe |
| HD50G17PTC | WiFi / Ethernet datalogger, Pt100 temperature and RH for cable probes, graphic display |
| HD50G1N4r1zTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and differential pressure with graphic LCD, fixed vertical probe |
| HD50G1NB2TV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and high-range CO₂, with graphic LCD, fixed vertical probe |
| HD50G1NBTV | WiFi / Ethernet datalogger, NTC10KΩ temperature, humidity and CO₂, with graphic LCD, fixed vertical probe |
| HD50G1NTC | WiFi / Ethernet datalogger, NTC10KΩ temperature and RH for cable probes, graphic display |
| HD50G1NTV | WiFi / Ethernet datalogger, NTC10KΩ temperature and humidity, with graphic LCD, fixed vertical probe |
| HD50GH | Datalogger with four terminal inputs, with graphic LCD |
| HD50GN/1TC | WiFi / Ethernet datalogger, NTC10KΩ temperature for cable probes, 1 input, graphic display |
| HD50GN/3TC | WiFi / Ethernet datalogger, NTC10KΩ temperature for cable probes, 3 inputs, graphic display |
| HD50GNTV | WiFi / Ethernet datalogger, fixed vertical NTC10KΩ temperature probe, graphic display |
| HD50GPM | WiFi / Ethernet datalogger, particulate with graphic display |
| HD50N/1TC | WiFi / Ethernet datalogger, NTC10KΩ temperature for cable probes, 1 input |
| HD50N/3TC | WiFi / Ethernet datalogger, NTC10KΩ temperature for cable probes, 3 inputs |
| HD50NTV | WiFi / Ethernet datalogger, fixed vertical NTC10KΩ temperature probe |
| HD50PM | WiFi / Ethernet datalogger, particulate matter |
| HD50R-MB | DIN 35 mm rail datalogger with RS485 Modbus-RTU input |
| HD51.3D | 2-axes ultrasonic static anemometer. 4…20 mA output. |
| HD51.3D147 | 2-axes ultrasonic static anemometer. With relative humidity, barometric pressure option, temperature. 4…20 mA output. |
| HD51.3D147A | 2-axes ultrasonic static anemometer. With relative humidity, barometric pressure option, temperature. With compass and tilt angles. 4…20 mA output. |