Specs:
Display method
Measurement function
Measurement method
temperature accuracy
maximum humidity
Humidity accuracy
Country
Standard
$243.00
SE
TSINGTAO TOKY HD600B integrated dew point meter humidity/temperature/wet bulb temperature/dewpoint temperature
Integrated-20~60℃10~95%RH-40~40℃
Simultaneous measurement of humidity, temperature, wet bulb temperature, dewpoint temperature, integrated structure, using high-precision Sensors, built-in automatic protection measures.

$295.00
SE
TSINGTAO TOKY HD600-B take-over dew point meter humidity/temperature/wet bulb temperature/dewpoint temperature
takeover-20~60℃10~95%RH-40~40℃
Simultaneous measurement of humidity, temperature, wet bulb temperature, dewpoint temperature, using high-precision Sensors, built-in automatic protection measures.

$271.00
SE
LANDTEK HT-1292D portable dew point instrument dewpoint temperature -40~40 ℃
-10~60°C(14~ 140 °F)10~95%RH-40~40°C(- 40~104 °F)
No need to connect pipes, temperature range -10~60 ℃, Measuring humidity, temperature, wet-bulb temperature, dewpoint temperature, automatic memory Humidity and temperature value.

If you don't know how to choose "Thermohygrometer", please consult customer service.