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- [ 450 Photoionization
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250 Series Gas

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- [ AIM 600 Millennium
Compact Gas Monitor
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CO Alarm - residential ]
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Radiation Alert,
Monitor ]
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- [ Shirtpocket Size
Ozone Sensor ]
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Simple, Inexpensive
Ozone Monitor ]
- [ Single Gas Portable
Monitors
]
- [ Testo 300 ]
- [ Testo 400 ]
- [ Testo 450 ]
- [
TIF5GA Automovite
exhaust gas detector
]
- [ TIF8800A Combus-
tible Gas Detector ]
- [
VOC Gas sensors ]
- [ VOC Monitor ]
- [ Yes-205-5 Five
Channel IAQ Datalogger
]

Multifunction instrument for HVAC - The Testo 450

testo 300The Testo 450 instrument measures four parameters: Velocity, Humidity, Dew Point and Temperature.
The display indicates two measured values simultaneously. When measuring Humidity or Air Velocity, combined probes simultaneously measure the temperatures value.

An instrument for everyday measuring tasks in HVAC or industry

  • Measurement of velocities and temperature in filter systems and duct openings in air conditioning ducts
  • Monitoring of the air exchange value in air conditioned rooms
  • Averaging for the measurement of irregular velocity profiles in a section e.g. in exhaust ducts of for the calculation of volume flow
  • Measurements in a room %RH, °C/F, min/max
  • Compare the relative humidity of the air drawn in from outside with the conditioned air flowing out from the exhaust ducts
  • Monitoring of condensation in air conditioning ducts via dew point calculation
  • Surface temperature measurement in motors

Features:

  • Measuring instrument and display are integrated in the probe
  • Very practical one-hand operation
  • No awkward cable connections
  • Robust, waterproof design, can be wiped clean

Technical data
Testo 450

Measuring Range: 0 to 100%RH
-40 to 1000 °C
(-40 to 1830 °F)
0.2 to 60 m/s
(80 to 9999fpm)
Accuracy: ±0.4° (0 to 50°C/32 to 100 °F)
±0.5° (rest of range)
±2%RH (2 to 98%RH)
velocity accuracy - see ordering sheet
Storage Temperature: -30 to 60 °C (-22 to 144 °F)
Warranty: Instrument: 3 years
Probe: 1 year
CAT. NO. DESCRIPTION
TE450-000......... testo 450 measuring instrument including battery andinstruction manual
Vane probe, Ø .63 with pull-out telescope handle
Vane probe, Ø 2", for integrated velocity measurement, with telescope handle
Humidity probe for %RH and °F
Connection cable for 1636.9742 probe
Large transport case for instrument, probes and accessories