Temperature logger, testo 175-H1

2-channel temperature and humidity data logger with external humidity sensor (NTC/capacitive humidity sensor)

• Professional long-term monitoring of temperature and humidity in work and storage rooms
• Fast reaction time thanks to external humidity probe

• Specifications
• Sensor: NTC/ capacitive humidity sensor
• Channels: 2 x internal (stump)
• Measurement units:
  Measuring ranges °C, °F, %rF, %RH, °C_td, g/m³
• Temperature (NTC):
  Accuracy:
  Resolution: -20 … +55 °C
  ±0.4 °C (-20 … +55 °C) ±1 digit
  0.1 °C
• Humidity (capacitive):
  Accuracy:
  Resolution: 0 … 100 % r.h.
  ±2 % r.h. (2 … 98 % r.h.) at +25 °C
  0,1 % r.h.
• Dew point:
  Accuracy: -40 … +50 °C_td
  +0,03 % r.h./K ±1 digit
• Battery life (at 25 °C): 3 years at 15 min. meas. rate
• Operation and storage temperature: -20 … +55°C
• Dimensions: 149 x 53 x 27mm
• Battery type: 3 x AlMn Type AAA or Energizer
• IP code: IP 54
• Meas. cycle: 10sec – 24h
• Memory: 1 mio. measurement values
• Software: ComSoft Basic 5
  ComSoft Professional 4
  ComSoft CFR 21 Part 11