Measures air temperature, RH% and dew point. Wet bulb for getting target superheat from charts.

Features

• Select °C or °F
• Accuracy: +/- 1° @ 0° - 45°C +/- 2.5% RH, 10% - 90% RH @ 25°C
• Auto off can be disabled for data logging with DL3. 

Download Specification and Operating Data

Use on Fixed Orifice Systems.  The quickest way to check your "Target" Superheat on a fixed Orifice System by measuring the Outdoor dry bulb temperature and the indoor wet bulb temperature.

Features

• For temperature measurements select built-in thermistor or plug in thermocouple
• Measures Wet bulb temp, dry bulb temp, dew point temp and %RH
• Target Evap. Exit Temp and Target Superheat for "Fixed Orifice Systems"
• Calculate target superheat amd target evaporator exit temperature
• Rubber boot protection with magnetic hanger strap

TECHNICAL SPECIFICATIONS

• Operating temperature: 0°F - 122°F at <75%RH
• Storage Temperature: -4°F to 140°F (-20°C to 60°C) 0 to 80%RH with battery removed.
• Low battery indication: The +- symbol is displayed when the battery drops below the operating level.
• Battery Life: Approx. 150 hours (9V alkaline)
• Auto Power Off: After 15 minutes of non-usage.
  

Temperature (K-Type Thermocouple):

• Range: -58°F to 1832°F (-50°C to 1000°C)
• Accuracy: ±1°F 50°F to 113°F (±0.5°C 10°C to 45°C), when calibrated to NTC at room temperature
  ±(0.1% rdg+2°F) -58°F to 1832°F
  ±(0.1% rdg+1°C) -50°C to 1000°C
  

Temperature (NTC):

• Range: 32°F to 140°F (0°C to 60°C)
• Accuracy:
  ±1°F 50°F to 113°F (±0.5°C 10°C to 45°C)
  ±4°F 32°F to 50°F and 113°F to 140°F
  ±2°C 0°C to 10°C and 45°C to 60°C
• Relative Humidity: 0% to 100% RH range
• Accuracy: ±2.5% at 77°F (25°C), 10% to 90%RH
  ±5% at 77°F (25°C) 0 to 10% RH & 90 to 100%RH
  

Download Specification and Operating Data

What's Included ATA1 Thermocouple ATWB1 Wet Bulb Thermocouple Standard 9V battery Operations manual