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Hot wire probe head including temperature and humidity sensor

0635 1570
  • Intuitive: parallel determination of relative humidity and air temperature in indoor areas, including long-term measurement
  • Precise: includes absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity
  • Convenient: simply plug the probe head onto the extendable telescope for air velocity probes – and use the adapter to attach them to the universal handle with Bluetooth® or cable (available to order separately)
  • Intelligent calibration concept: only send in the probe head for calibration
  • More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the hot wire probe head.
    Simply plug the probe head onto the extendable telescope for air velocity probes and use the adapter (order number 0554 2160) to attach them both to the handle with Bluetooth or cable.

    Hot wire probe head including temperature and humidity sensor and calibration protocol.

  • CO probe (digital) with Bluetooth®
    CO probe (digital) - with Bluetooth®
      :
      0632 1271
    • CO probe (digital), wired
      CO probe (digital) - wired
        :
        0632 1272
      • CO2 probe (digital) with Bluetooth® including temperature and humidity sensor
        COâ‚‚ probe (digital) - with Bluetooth® including temperature and humidity sensor
          :
          0632 1551
        • CO2 probe (digital) including temperature and humidity sensor, wired
          COâ‚‚ probe (digital) - including temperature and humidity sensor, wired
            :
            0632 1552
          • High-precision humidity/temperature probe (digital) with Bluetooth®
            High-precision humidity/temperature probe (digital) - with Bluetooth®
              :
              0636 9771
            • High-precision humidity/temperature probe (digital), wired
              High-precision humidity/temperature probe (digital) - wired
                :
                0636 9772
              • High-precision vane probe (Ø 100 mm, digital) with Bluetooth® including temperature sensor
                High-precision vane probe (Ø 100 mm, digital) - with Bluetooth® including temperature sensor
                  :
                  0635 9371
                • High-precision vane probe (Ø 100 mm, digital) including temperature sensor, wired
                  High-precision vane probe (Ø 100 mm, digital) - including temperature sensor, wired
                    :
                    0635 9372
                  • Hot wire probe (digital) with Bluetooth® including temperature and humidity sensor
                    Hot wire probe (digital) - with Bluetooth® including temperature and humidity sensor
                      :
                      0635 1571
                    • Hot wire probe (digital) including temperature and humidity sensor, wired
                      Hot wire probe (digital) - including temperature and humidity sensor, wired
                        :
                        0635 1572
                      • Humidity/temperature probe (digital) with Bluetooth®
                        Humidity/temperature probe (digital) - with Bluetooth®
                          :
                          0636 9731
                        • Humidity/temperature probe (digital), wired
                          Humidity/temperature probe (digital) - wired
                            :
                            0636 9732
                          • Universal Bluetooth® handle for connecting probe heads
                            Universal Bluetooth® handle for connecting probe heads
                              :
                              0554 1111
                            • Universal cable handle for connecting probe heads
                              Universal cable handle for connecting probe heads
                                :
                                0554 2222
                              • Vane probe (Ø 100 mm, digital) with Bluetooth® including temperature sensor
                                Vane probe (Ø 100 mm, digital) - with Bluetooth® including temperature sensor
                                  :
                                  0635 9431
                                • Vane probe (Ø 100 mm, digital) including temperature sensor, wired
                                  Vane probe (Ø 100 mm, digital) - including temperature sensor, wired
                                    :
                                    0635 9432
                                  • Vane probe (Ø 16 mm, digital) with Bluetooth®, including temperature sensor
                                    Vane probe (Ø 16 mm, digital) - with Bluetooth®, including temperature sensor
                                      :
                                      0635 9571
                                    • Vane probe (Ø 16 mm, digital) including temperature sensor, wired
                                      Vane probe (Ø 16 mm, digital) - including temperature sensor, wired
                                        :
                                        0635 9572
                                      • testo 400 Air Flow Kit - For TAB / Commissioning Professionals
                                          :
                                          0563 0407
                                          $ 3,187.50
                                          1
                                        • testo 400 Comfort Kit - for comfort professionals in high performance buildings
                                            :
                                            0563 0409
                                            $ 3,650.75
                                            1
                                          • testo 400 IAQ Kit - for Commissioning and IAQ investigation professionals
                                              :
                                              0563 0408
                                              $ 2,715.75
                                              1
                                            • testo 440 100 mm Vane Kit with Bluetooth®
                                              testo 440 - Vane kit with Bluetooth (Ø 3.9")
                                                :
                                                0563 4403
                                                $ 995.00
                                                1
                                              • testo 440 Air Flow ComboKit 1 with Bluetooth®t 1 with Bluetooth
                                                testo 440 - Air flow ComboKit 1 with Bluetooth
                                                  :
                                                  0563 4406
                                                  $ 1,350.00
                                                  1
                                                • testo 440 Air Flow ComboKit 2 with Bluetooth®
                                                  testo 440 - Air flow ComboKit 2 with Bluetooth
                                                    :
                                                    0563 4407
                                                    $ 1,425.00
                                                    1
                                                  • testo 440 Humidity Kit with Bluetooth®
                                                    testo 440 - Humidity kit with Bluetooth (Ø 0.47")
                                                      :
                                                      0563 4404
                                                      $ 625.00
                                                      1
                                                    • testo 440 CO2 Kit with Bluetooth®
                                                      testo 440 - CO2 kit with Bluetooth
                                                        :
                                                        0563 4405
                                                        $ 1,095.00
                                                        1
                                                      • testo 440 Indoor Comfort ComboKit with Bluetooth®
                                                        testo 440 - Indoor comfort ComboKit with Bluetooth
                                                          :
                                                          0563 4408
                                                          $ 2,350.00
                                                          1
                                                        • testo 440 Air velocity and IAQ measuring instrument
                                                          testo 440 - Air velocity and IAQ measuring instrument
                                                            :
                                                            0560 4401
                                                          • testo 440 16 mm Vane Kit
                                                            testo 440 - Vane kit (Ø 0.63")
                                                              :
                                                              0563 4401
                                                              $ 795.00
                                                              1
                                                            • testo 440 Hot Wire Kit
                                                              testo 440 - Hot wire kit (Ø 0.35")
                                                                :
                                                                0563 4400
                                                                $ 750.00
                                                                1
                                                              • testo 440 Delta P Air Flow ComboKit 1 with Bluetooth®
                                                                testo 440 dP - Air flow ComboKit 1 with Bluetooth and delta P
                                                                  :
                                                                  0563 4409
                                                                  $ 2,150.00
                                                                  1
                                                                • testo 440 Delta P Air Flow ComboKit 2 with Bluetooth®
                                                                  testo 440 dP - Air flow ComboKit 2 with Bluetooth and delta P
                                                                    :
                                                                    0563 4410
                                                                    $ 2,295.00
                                                                    1
                                                                  • testo 440 dP Air velocity and IAQ measuring instrument including differential pressure sensor
                                                                    testo 440 dP - Air velocity and IAQ measuring instrument with differential pressure sensor
                                                                      :
                                                                      0560 4402
                                                                    • testo 400 Universal IAQ instrument
                                                                      testo 400 - Universal Air Flow and IAQ Instrument
                                                                        :
                                                                        0560 0400
                                                                      • testo 400 IAQ and comfort kit with tripod
                                                                        testo 400 IAQ and comfort kit with tripod
                                                                          :
                                                                          0563 0401
                                                                        • Temperature - NTC

                                                                          Measuring range
                                                                          -4° to 158 °F / -20 to +70 °C
                                                                          Accuracy
                                                                          ±1.4 °F (-4° to 32 °F) / ±0.8 °C (-20 to 0 °C)
                                                                          ±0.9 °F (32° to 158 °F) / ±0.5 °C (0 to +70 °C)
                                                                          Resolution
                                                                          0.1 °F / 0.1 °C

                                                                          Humidity - Capacitive

                                                                          Measuring range
                                                                          5 to 95 %rH
                                                                          Accuracy
                                                                          Hysteresis: ±1.0 %rH
                                                                          ±3 %rH (65 to 90 %rH)
                                                                          ±2 %rH (35 to 65 %rH)
                                                                          ±5 %rH (Remaining Range)
                                                                          ±0.06 %rF/K (k=1)
                                                                          ±3 %rH (10 to 35 %rH)
                                                                          long-term stability: ±1%RH / year
                                                                          Resolution
                                                                          0.1 %rH

                                                                          Absolute Pressure

                                                                          Measuring range
                                                                          +280 to +440 InHâ‚‚O / +700 to +1100 hPa
                                                                          Accuracy
                                                                          ±1.2 InH₂O / ±3.0 hPa
                                                                          Resolution
                                                                          0.1 InHâ‚‚O / 0.1 hPa