VAC measuring instrument - testo 445
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conditioning systems Point and timed mean value calculation Direct display of the volume flow Automatic allocation of duct cross-section area to measurement site (max. 99 measurement sites) Internal measurement value store (3,000 measurement PC software for the analysis, archiving and documentation of the measurement values (option) Measurement of up to 6 measurement parameters This service instrument is s real multi-talent: the testo 445 has two probe inputs for the connection of a broad range of probes for measurements on ventilation/air conditioning systems. The instrument records flow velocity values in a duct, at a duct outlet or on extraction systems. In addition to this, the allrounder measures or calculates the parameters volume flow, Indoor Air Quality, temperature, relative humidity, dewpoint, absolute humidity, degree of humidity, enthalpy, pressure and CO. At the simple press of a button, the testo 445 displays the last measurment value measured as well as minimum, maximum and mean values. In addition to this, measurement data can be stored according to measurement site and analyzed on a PC, or documented on site with the Testo fast printer.

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Technical data testo 445, VAC measuring instrument, incl. battery and calibration protocol General technical data Battery life: 6-45 h (depending on probe) Mains conn, and batt. rech. in Instr. Calculated humidity parameters: td, g/m3, g/kg pressure- Calculated velocity values (density-compensated): 0 to 100 m/s; 0 to Humidity measurement: Measuring range -50 to 180°C; See Probes Accuracy of Type K, J: Additional error via operation temperature 0.2 This service instrument is s real multi-talent: the testo 445 has two probe inputs for the connection of a broad range of probes for...

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Technical data / Accessories Sensor type Meas, range Accuracy ±1 digit Resolution Transport and Protection Part no.

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Additional accessories and spare parts Part no. Calibration Certificates

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Probe type Probe shaft/probe shaft tip Flow velocity probes testovent 415, volume flow funnel, 0 210 mm/210x210 mm, incl. case 0554 0415 testovent 410, volume flow funnel, 0 340 mm/330x330 mm, Incl. case

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Probe type Probe shaft/probe shaft tip

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Probe type Probe shaft/probe shaft tip Pitot tubes

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Probe type Probe shaft/probe shaft tip More probes Humidity probes

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Probe type Probe shaft/probe shaft tip Humidity probes precision humidity probe with certificate, measurement chamber and 5 sample bowls (plastic),

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Probe type Probe shaft/probe shaft tip 1) According to standard EN 60584-2, the accuracy of Classes 1 / 2 referto -40 to +1000/+1200 °C,

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Subject to change without notice. 0981 9714/msp/A/05.2012 testo 445 We measure it. www.testo.com

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