Digital Hygro-Thermometer Anemometer - 6815

• Air Probe AP275:
50 to 7800 ft/min (feet per minute)
0.2 to 40.00 m/sec (meters per second)
• Air Probe AP100: 300 to 6890 ft/min (1.5 to 35.00 m/sec)
• Air Velocity Accuracy:
AP275: ± 1.0% of reading ±1 digit
AP100: ±0.50% full scale ±0.75% of reading ±1 digit
• Air Velocity Resolution: 1 ft/min or 0.01 m/sec

  • Model Number: 6815
  • Data Sheet: Date Sheet File
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  • Digital Hygro-Thermometer Anemometer
  • Digital Hygro-Thermometer Anemometer
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Product Specification

Model 6815
Hygro-Thermometer Anemometer

Model 6815 digital hygro-thermometer anemometer is a versatile instrument for measuring air velocity, temperature, and humidity in various applications such as HVAC, aerospace development, industrial process airflow, and fluids research.

The rugged yet precise air probe can be used in airstreams that have a wide range of humidity, temperature and contaminants without compromising air velocity measurement accuracy. The combination humidity and temperature probe gives accurate readings across a wide range of temperatures and humidity's.

Features include custom cable lengths, service temperatures up to 212°F (100°C) at the air probe, high reliability, and long life.

6815 Digital Hygro-Thermometer Anemometer Applications
• HVAC Ventilation and Balancing
• Manufacturing Control
• Laboratory Control
• IAQ Investigation
• Industrial Hygiene Quality Control
• Flow Hood Monitoring

6815 Digital Hygro-Thermometer Anemometer Specifications

Air Probe AP275
50 to 7800 ft/min (feet per minute)
0.2 to 40.00 m/sec (meters per second)

Air Probe AP100 300 to 6890 ft/min  (1.5 to 35.00 m/sec)
Relative Humidity (%RH)
5.0 to 95.0 %RH
Temperature (using combination HTP202 probe)

-4 to 176°F (-20 to 80°C)

Temperature (using optional RTD probe)
-148 to 1112°F (-100 to 600°C)
Air Velocity AP275: ± 1.0% of reading ±1 digit
AP100: ±0.50% full scale ±0.75% of reading ±1 digit
Relative Humidity
± 2.0 %RH
      Temperature accuracy examples:

± (0.3°C + 0.2% of reading in °C)
  ± 0.3°C at 20°C
  ± 0.5°F at 68°F
Air Velocity
1 ft/min or 0.01 m/sec
Relative Humidity 0.1 %RH
Relative Humidity 0.1°F or 0.1°C (1°F below -99.0°F)
Operating Temperature Instrument

32 to 125°F (0 to 50°C)

Air Probes
-22 to 212°F (-30 to 100°C)
HTP202 Probe
-4 to 176°F (-20 to 80°C)
Power Supply
3 AA alkaline batteries
Battery Life

Approx. 150 hours, without backlight

Battery check

Automatic low battery display

Display 0.5" LCD, 4 digits, with LED backlight
 Options Available

• Protective Boot and Splash-Proof Seal for the Instrument
• USB Communications
• RS232 Communications
• Analog 0-5 Volt Output
• Additional Probes: AP275, AP100, HTP202
• Extra extension and/or flexible rods
• Custom cable lengths
• Immersion RTD temperature probe
• Surface RTD temperature probe
• Air RTD temperature probe

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