Extech Psychrometer Dual Input Datalogger RH350

 Benefits

• Superheat differential measurements: T1-T2, Air-T1, T1-Dewpoint

Features

• Dual Type K external temperature probe inputs (T1, T2) 
• Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or External Probe Temperatures 
• Built-in RS-232 interface - uses optional Windows 95/98/2000/ME/NT/XP compatible software 
• Retrie v e Max/Min readings with data and time plus Average function 
• Rea l time clock 
• Triple display with backlighting 
• Unique sen sor ca p design twists to closed position for protection during storage Switchable Deg.F/Deg.C temperature units with 0.1 Deg. resolutio n 
• Data Hold freezes current reading on display 
• Auto po wer of f to save battery life 
• Complete with two Type K bead wire temperat ure probes and 4 AAA batteries

Specifications

• Dew Point: -90.4 to 122°F (-68.0 to 49.9°C) 
• Wet Bulb: -6.9 t o 122°F (-21.6 to 49.9°C) Humidity
   
• Range: 10 to 90%RH < li> Resolution: 0.1% RH 
• Accuracy: ±3% RH
  
  Temperatu re (internal)
   
• Range: -4 to 122°F (-20 t o 50°C) 
• Reso lution: 0.1° 
• Accuracy: ±1.8°F or ±1°C
  Temperature (external)
   
• Range: -328 to 2498°F (-200 to 1370°C) 
• Reso lution: 0.1° 
• Accuracy: ±0.3% or ±1 .8°F/±1°C