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  • Manufacturer: Testo
    Product Description The testo 435-1 multifunction meter allows you to carry measurements that are necessary to check and adjust airflow of air conditioning systems and assess the quality of the indoor air. The testo 435-1 multifunction meter accepts a wide variety of probes to measure and record airflow, temperature and indoor air quality readings. Probe dependent menus and selectable user profiles ensure that the testo 435-1 multifunction meter is always ready to use. Easy set-up of user defined IAQ and airflow / duct profiles allow for fast measurement of many different tasks, and with a wide variety of probe choices available, the testo 435-1 is ready to handle a vast array of indoor air quality applications. testo 435-1 highlights: Ideal for spot check measurements Wired, or wireless temperature probes IP54 Protection class Delivery Scope testo 435-1, batteries, and conformity certificate

    Temperature - NTC

    Measuring range

    -58° to 302 °F / -50 to +150 °C

    Accuracy

    ±0.4 °F (-13 to +166.8 °F) / ±0.2 °C (-25 to +74.9 °C)

    ±0.7 °F (-58° to -13.2 °F) / ±0.4 °C (-50 to -25.1 °C)

    ±0.7 °F (167° to 211.8 °F) / ±0.4 °C (+75 to +99.9 °C)

    ±0.5 % of mv (Remaining Range)

    Resolution

    0.1 °F / 0.1 °C

    Temperature - Type K TC

    Measuring range

    -328° to 2498 °F / -200 to +1370 °C

    Accuracy

    ±0.5 °F (-76.0° to 140 °F) / ±0.3 °C (-60 to +60 °C)

    ±(0.4 °F + 0.5 % of mv) (Remaining Range) / ±(0.2 °C + 0.5 % of mv) (Remaining Range)

    Resolution

    0.1 °F / 0.1 °C

    Temperature - TC Type T (Cu-CuNi)

    Measuring range

    -328° to 752 °F / -200 to +400 °C

    Accuracy

    ±0.5 °F (-76° to 140.0 °F) / ±0.3 °C (-60 to +60 °C)

    ±(0.4 °F + 0.5 % of mv) (Remaining Range) / ±(0.2 °C + 0.5 % of mv) (Remaining Range)

    Resolution

    0.1 °F / 0.1 °C

    Humidity - Capacitive

    Measuring range

    0 to +100 %rH

    Accuracy

    See probe data

    Resolution

    0.1 %rH

    Absolute Pressure

    Measuring range

    0 to 800 InH₂O / 0 to 2000 hPa

    Accuracy

    See probe data

    Velocity - Vane anemometer

    Measuring range

    0 to +11811 fpm / 0 to +60 m/s

    Accuracy

    See probe data

    Resolution

    0.01 fpm (60 + 100 mm Vane) / 0.01 m/s (60 + 100 mm Vane)

    0.1 fpm (16 mm Vane) / 0.1 m/s (16 mm Vane)

    Velocity - Hot wire anemometer

    Measuring range

    0 to +3937 fpm / 0 to +20 m/s

    Accuracy

    See probe data

    Resolution

    0.01 fpm / 0.01 m/s

    Ambient CO₂
    Ambient CO2 (via IAQ probe)

    Measuring range

    0 to +10000 ppm CO₂

    Accuracy

    See probe data

    Resolution

    1 ppm CO₂

    General technical data

    Storage temperature

    -22° to 158 °F / -30 to +70 °C

    Weight

    15 oz. / 428 g

    Dimensions

    9 x 3 x 2 in. / 220 x 74 x 46 mm

    Operating temperature

    -4° to 122 °F / -20 to +50 °C

    Housing

    ABS / TPE / Metal

    Protection class

    IP54

    Warranty

    2 years

    Battery type

    Alkaline, type AA

    Battery life

    200 h (typical vane measurement)

    Display ligthing

    Illuminated display

     
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