Testo 445 Multifunction HVAC IAQ Measuring Instrument

Model445 MFG Part0560 4450
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Testo 445 Multifunction HVAC IAQ Measuring Instrument

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Quick Overview

Testo 445 Multifunction HVAC IAQ Measuring Instrument is an extremely versatile meter for a variety of HVAC and Air Quality applications and is compatible with a whole host of Testo probe options. Using various probe configurations, the Testo 445 is capable of measuring flow velocity values in a duct, flow volume, Indoor Air Quality, temperature, relative humidity, dewpoint, absolute humidity, degree of humidity, enthalpy, pressure and CO, and features 3000 point datalogging with PC software for later analysis.

Characteristics
Characteristics: Testo 445 Multifunction HVAC IAQ Measuring Instrument
  Mean value calculation both pointed and timed
  Volume flow directly displayed
  Duct cross-section area to measurement site allocated automatically
  Two measurement parameters simultaneously displayed
  Store up to 3000 measurement points internally
  Optional PC software for data analysis and storage
  Unit can measure up to 6 parameters simultaneously
Testo 445 includes: Battery and calibration protocol
Description

Testo 445 Multifunction HVAC IAQ Measuring Instrument is an extremely versatile meter for a variety of HVAC and Air Quality applications and is compatible with a whole host of Testo probe options. Using various probe configurations, the Testo 445 is capable of measuring flow velocity values in a duct, flow volume, Indoor Air Quality, temperature, relative humidity, dewpoint, absolute humidity, degree of humidity, enthalpy, pressure and CO, and features 3000 point datalogging with PC software for later analysis.

Specifications
Specifications: Testo 445 Multifunction HVAC IAQ Measuring Instrument
Sensor Type Measuring Range Accuracy ±1 Digit Resolution
Type K (NiCr-Ni) -200 to +1370 °C ±0.5% of m.v. (-200 to -60.1 °C)
±0.5% of m.v. (+60.1 to +1370 °C)
±0.3 °C (-60 to +60 °C)
0.1 °C (-200 to +1370 °C)
Type J (Fe-CuNi) -200 to +1000 °C ±0.5% of m.v. (-200 to -60.1 °C)
±0.5% of m.v. (+60.1 to +1000 °C)
±0.3 °C (-60 to +60 °C) 
0.1 °C (-200 to +1000 °C) 
NTC  -50 to +150 °C  ±0.5% of m.v. (+100 to +150 °C)
±0.2 °C (-25 to +74.9 °C)
±0.4 °C (-50 to -25.1 °C)
±0.4 °C (+75 to +99.9 °C) 
0.1 °C (-50 to +150 °C)
Testo humid. sensor, cap. 0 to +100 %RH  See probe data 0.1 %RH (0 to +100 %RH)
Vane  0 to +60 m/s  See probe data  0.01 m/s (0 to +60 m/s) 
Thermal  0 to +20 m/s  See probe data  0.01 m/s (0 to +10 m/s)
0.1 m/s (+10.1 to +20 m/s) 
Pressure  See pressure probes  ±0.1% of m.v.  0.001 hPa (Sonde 0638 1345)
0.001 hPa (Sonde 0638 1445)
0.01 hPa (Sonde 0638 1545)
1 hPa (Sonde 0638 1645) 
CO2 probe  0 to +1 Vol. % CO2  See probe data  0 Vol. % CO2(0 to +1 Vol. % CO2) 
CO2 probe  0 to +10000 ppm CO2  ±(100 ppm CO2 +3% of m.v.) (+5000
to +10000 ppm CO2)
±(500 ppm CO2 +2% of m.v.) (0 to
+5000 ppm CO2) 
1 ppm CO2 (0 to +10000 ppm CO2) 
CO probe  0 to +500 ppm CO  ±5% of m.v. (+100 to +500 ppm CO)
±5 ppm CO (0 to +100 ppm CO) 
1 ppm CO (0 to +500 ppm CO) 
General Specs
Operating temperature 0 to +50 °C  
Storage temperature -20 to +70 °C
Display LCD, 4 lines
Battery type 9V block battery
Battery life 6-45 h (depending on probe)
PC  RS232 interface   
Weight  255 g   
Housing material ABS
Warranty 2 years
Memory 3000 Points
Dimensions 215 x 68 x 47 mm
Calculated humidity parameters td, g/m3, g/kg pressurecompensated, J/g
Calculated volume flow m3/h (e.g. 0 to 99999 m3/h), m3/min, m3/s, I/s, cfm
Calculated velocity values 0 to 100 m/s; 0 to 99999 m3/h
Applications
Applications: Testo 445 Multifunction HVAC IAQ Measuring Instrument
  HVAC
  Industrial
  Offices
  Commercial Buildings
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