Testo 400 Series

Testo 440 dP Air Velocity and IAQ Measuring Instrument with Differential Pressure Sensor

Testo 440 dP Air Velocity and IAQ Measuring Instrument with Differential Pressure Sensor

Testo 440 dP Air Velocity and IAQ Measuring Instrument with Differential Pressure Sensor

~~$485.00~~ $412.25 Sale

Testo 400 Universal Air Flow and IAQ Instrument

Testo 400 Universal Air Flow and IAQ Instrument

Testo 400 Universal Air Flow and IAQ Instrument

~~$1,596.00~~ $1,356.60 Sale

Testo 400 Air Flow Kit - For TAB / Commissioning Professionals

Testo 400 Air Flow Kit - For TAB / Commissioning Professionals

Testo 400 Air Flow Kit - For TAB / Commissioning Professionals

~~$3,526.00~~ $2,997.10 Sale

Testo 400 IAQ Kit - For Commissioning and IAQ Investigation Professionals

Testo 400 IAQ Kit - For Commissioning and IAQ Investigation Professionals

Testo 400 IAQ Kit - For Commissioning and IAQ Investigation Professionals

~~$2,694.00~~ $2,289.90 Sale

Testo 400 Comfort Kit - For Comfort Professionals in High Performance Buildings

Testo 400 Comfort Kit - For Comfort Professionals in High Performance Buildings

Testo 400 Comfort Kit - For Comfort Professionals in High Performance Buildings

~~$3,735.00~~ $3,174.75 Sale

Testo 440 CO2 Kit with Bluetooth

Testo 440 CO2 Kit with Bluetooth

Testo 440 CO2 Kit with Bluetooth

~~$1,025.00~~ $871.25 Sale

Testo 440 Air Flow ComboKit 2 (Mini Vane and Large Vane) with Bluetooth

Testo 440 Air Flow ComboKit 2 (Mini Vane and Large Vane) with Bluetooth

Testo 440 Air Flow ComboKit 2 (Mini Vane and Large Vane) with Bluetooth

~~$1,320.00~~ $1,122.00 Sale

Testo 400 Hot wire probe incl. temperature sensor, fixed cable

Testo 400 Hot wire probe incl. temperature sensor, fixed cable

Testo 400 Hot wire probe incl. temperature sensor, fixed cable

~~$309.00~~ $262.65 Sale

Testo 400 Hot wire probe with Bluetooth, incl. temperature and humidity sensor

Testo 400 Hot wire probe with Bluetooth, incl. temperature and humidity sensor

Testo 400 Hot wire probe with Bluetooth, incl. temperature and humidity sensor

~~$989.00~~ $840.65 Sale

Testo 400 Hot wire probe incl. temperature and humidity sensor, fixed cable

Testo 400 Hot wire probe incl. temperature and humidity sensor, fixed cable

Testo 400 Hot wire probe incl. temperature and humidity sensor, fixed cable

~~$919.00~~ $781.15 Sale

Testo 400 Mini Vane airflow probe with fixed cable

Testo 400 Mini Vane airflow probe with fixed cable

Testo 400 Mini Vane airflow probe with fixed cable

~~$378.00~~ $321.30 Sale

Testo 400 Mini Vane probe with Bluetooth

Testo 400 Mini Vane probe with Bluetooth

Testo 400 Mini Vane probe with Bluetooth

~~$999.00~~ $849.15 Sale

Testo 400 Mini Vane probe with temperature sensor, fixed cable

Testo 400 Mini Vane probe with temperature sensor, fixed cable

Testo 400 Mini Vane probe with temperature sensor, fixed cable

~~$971.00~~ $825.35 Sale

Testo 400 4 inch High-precision vane probe with Bluetooth , including temperature sensor

Testo 400 4 inch High-precision vane probe with Bluetooth , including temperature sensor

Testo 400 4 inch High-precision vane probe with Bluetooth , including temperature sensor

~~$1,050.00~~ $892.50 Sale

Testo 400 4 inch High-precision vane probe incl. temperature sensor, fixed cable

Testo 400 4 inch High-precision vane probe incl. temperature sensor, fixed cable

Testo 400 4 inch High-precision vane probe incl. temperature sensor, fixed cable

~~$1,015.00~~ $862.75 Sale

Testo 400 4 inch Vane Bluetooth probe with temperature

Testo 400 4 inch Vane Bluetooth probe with temperature

Testo 400 4 inch Vane Bluetooth probe with temperature

~~$570.00~~ $484.50 Sale

Testo 400 4 inch Vane probe incl. temperature sensor, fixed cable

Testo 400 4 inch Vane probe incl. temperature sensor, fixed cable

Testo 400 4 inch Vane probe incl. temperature sensor, fixed cable

~~$529.00~~ $449.65 Sale

Testo 400 High-precision temperature-humidity probe with Bluetooth

Testo 400 High-precision temperature-humidity probe with Bluetooth

Testo 400 High-precision temperature-humidity probe with Bluetooth

~~$600.00~~ $510.00 Sale

Testo 400 High-precision temperature-humidity probe with fixed cable

Testo 400 High-precision temperature-humidity probe with fixed cable

Testo 400 High-precision temperature-humidity probe with fixed cable

~~$560.00~~ $476.00 Sale

Testo 400 Temperature-humidity probe with Bluetooth

Testo 400 Temperature-humidity probe with Bluetooth

Testo 400 Temperature-humidity probe with Bluetooth

~~$248.00~~ $210.80 Sale

Testo 400 Temperature-humidity probe with fixed cable

Testo 400 Temperature-humidity probe with fixed cable

Testo 400 Temperature-humidity probe with fixed cable

~~$195.00~~ $165.75 Sale

Testo 400 Robust temperature-humidity probe for temperatures up to +356 degrees F, fixed cable

Testo 400 Robust temperature-humidity probe for temperatures up to +356 degrees F, fixed cable

Testo 400 Robust temperature-humidity probe for temperatures up to +356 degrees F, fixed cable

~~$662.00~~ $562.70 Sale

Testo 400 Lux probe for measuring light intensity

Testo 400 Lux probe for measuring light intensity

Testo 400 Lux probe for measuring light intensity

~~$444.00~~ $377.40 Sale

Testo 400 CO2 probe with Bluetooth, incl. temperature and humidity sensor

Testo 400 CO2 probe with Bluetooth, incl. temperature and humidity sensor

Testo 400 CO2 probe with Bluetooth, incl. temperature and humidity sensor

~~$710.00~~ $603.50 Sale

Testo 400 CO2 probe incl. temperature and humidity sensor, fixed cable

Testo 400 CO2 probe incl. temperature and humidity sensor, fixed cable

Testo 400 CO2 probe incl. temperature and humidity sensor, fixed cable

~~$646.00~~ $549.10 Sale

Testo 400 CO probe with Bluetooth

Testo 400 CO probe with Bluetooth

Testo 400 CO probe with Bluetooth

~~$485.00~~ $412.25 Sale

Testo 400 CO probe, fixed cable

Testo 400 CO probe, fixed cable

Testo 400 CO probe, fixed cable

~~$440.00~~ $374.00 Sale

Testo Turbulence probe, fixed cable

Testo Turbulence probe, fixed cable

Testo Turbulence probe, fixed cable

~~$1,175.00~~ $998.75 Sale

Testo 400 Fume hood probe, fixed cable

Testo 400 Fume hood probe, fixed cable

Testo 400 Fume hood probe, fixed cable

~~$925.00~~ $786.25 Sale

Testo 400 Waterproof immersion/penetration probe (NTC)

Testo 400 Waterproof immersion/penetration probe (NTC)

Testo 400 Waterproof immersion/penetration probe (NTC)

~~$92.00~~ $78.20 Sale

Testo 400 Robust air probe temperature (NTC)

Testo 400 Robust air probe temperature (NTC)

Testo 400 Robust air probe temperature (NTC)

~~$97.00~~ $82.45 Sale

Testo 400 Pipe clamp probe (NTC) for pipes 1/4

Testo 400 Pipe clamp probe (NTC) for pipes 1/4

Testo 400 Pipe clamp probe (NTC) for pipes 1/4" to 1.4"

~~$64.00~~ $54.40 Sale

Testo 400 Cable handle for connecting testo 400 series probe heads

Testo 400 Cable handle for connecting testo 400 series probe heads

Testo 400 Cable handle for connecting testo 400 series probe heads

~~$97.00~~ $82.45 Sale

Testo 400 Bluetooth handle for connecting testo 400 series probe heads

Testo 400 Bluetooth handle for connecting testo 400 series probe heads

Testo 400 Bluetooth handle for connecting testo 400 series probe heads

~~$143.00~~ $121.55 Sale

Testo 400 Handle adapter for connecting testo 400 series air flow probes

Testo 400 Handle adapter for connecting testo 400 series air flow probes

Testo 400 Handle adapter for connecting testo 400 series air flow probes

~~$80.00~~ $68.00 Sale

Testo 400 Telescoping extension for testo 400 series air flow probes

Testo 400 Telescoping extension for testo 400 series air flow probes

Testo 400 Telescoping extension for testo 400 series air flow probes

~~$200.00~~ $170.00 Sale

Testo 400 Telescoping extension (length 15.75

Testo 400 Telescoping extension (length 15.75

Testo 400 Telescoping extension (length 15.75" to 33.5") for testo 400 series air flow probes

~~$285.00~~ $242.25 Sale

Testo 400 Right angle adapter for testo 400 series 4

Testo 400 Right angle adapter for testo 400 series 4

Testo 400 Right angle adapter for testo 400 series 4" rotating airflow vane probe

~~$80.00~~ $68.00 Sale

Testo 440 Combo case for testo 440 and several probes

Testo 440 Combo case for testo 440 and several probes

Testo 440 Combo case for testo 440 and several probes

~~$86.00~~ $73.10 Sale

Testo 440 Transport case for air flow measurement

Testo 440 Transport case for air flow measurement

Testo 440 Transport case for air flow measurement

~~$241.00~~ $204.85 Sale