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  1. Home
  2. Brands
  3. Testo
  4. Testo 400 Series

Testo 400 Series

Products [40]

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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
SKU: 0560 4402
$569.00 $483.65 Sale
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Testo 400 Universal Air Flow and IAQ Instrument
Testo 400 Universal Air Flow and IAQ Instrument
Testo 400 Universal Air Flow and IAQ Instrument
SKU: 0560 0400
$1,829.00 $1,554.65 Sale
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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
SKU: 0563 0407
$4,049.00 $3,441.65 Sale
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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
SKU: 0563 0408
$3,109.00 $2,642.65 Sale
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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
SKU: 0563 0409
$4,309.00 $3,662.65 Sale
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Testo 440 CO2 Kit with Bluetooth
Testo 440 CO2 Kit with Bluetooth
Testo 440 CO2 Kit with Bluetooth
SKU: 0563 4405
$1,179.00 $1,002.15 Sale
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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
SKU: 0563 4407
$1,522.00 $1,293.70 Sale
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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
SKU: 0635 1032
$355.00 $301.75 Sale
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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
SKU: 0635 1571
$1,129.00 $959.65 Sale
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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
SKU: 0635 1572
$1,078.00 $916.30 Sale
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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
SKU: 0635 9532
$439.00 $373.15 Sale
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Testo 400 Mini Vane probe with Bluetooth
Testo 400 Mini Vane probe with Bluetooth
Testo 400 Mini Vane probe with Bluetooth
SKU: 0635 9571
$1,159.00 $985.15 Sale
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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
SKU: 0635 9572
$1,129.00 $959.65 Sale
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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
SKU: 0635 9371
$1,224.00 $1,040.40 Sale
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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
SKU: 0635 9372
$1,171.00 $995.35 Sale
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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
SKU: 0635 9431
$668.00 $567.80 Sale
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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
SKU: 0635 9432
$618.00 $525.30 Sale
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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
SKU: 0636 9771
$704.00 $598.40 Sale
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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
SKU: 0636 9772
$649.00 $551.65 Sale
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Testo 400 Temperature-humidity probe with Bluetooth
Testo 400 Temperature-humidity probe with Bluetooth
Testo 400 Temperature-humidity probe with Bluetooth
SKU: 0636 9731
$289.00 $245.65 Sale
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Testo 400 Temperature-humidity probe with fixed cable
Testo 400 Temperature-humidity probe with fixed cable
Testo 400 Temperature-humidity probe with fixed cable
SKU: 0636 9732
$226.00 $192.10 Sale
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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
SKU: 0636 9775
$766.00 $651.10 Sale
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Testo 400 Lux probe for measuring light intensity
Testo 400 Lux probe for measuring light intensity
Testo 400 Lux probe for measuring light intensity
SKU: 0635 0551
$514.00 $436.90 Sale
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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
SKU: 0632 1551
$809.00 $687.65 Sale
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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
SKU: 0632 1552
$738.00 $627.30 Sale
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Testo 400 CO probe with Bluetooth
Testo 400 CO probe with Bluetooth
Testo 400 CO probe with Bluetooth
SKU: 0632 1271
$560.00 $476.00 Sale
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Testo 400 CO probe, fixed cable
Testo 400 CO probe, fixed cable
Testo 400 CO probe, fixed cable
SKU: 0632 1272
$511.00 $434.35 Sale
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Testo Turbulence probe, fixed cable
Testo Turbulence probe, fixed cable
Testo Turbulence probe, fixed cable
SKU: 0628 0152
$1,348.00 $1,145.80 Sale
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Testo 400 Fume hood probe, fixed cable
Testo 400 Fume hood probe, fixed cable
Testo 400 Fume hood probe, fixed cable
SKU: 0635 1052
$1,065.00 $905.25 Sale
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Testo 400 Waterproof immersion/penetration probe (NTC)
Testo 400 Waterproof immersion/penetration probe (NTC)
Testo 400 Waterproof immersion/penetration probe (NTC)
SKU: 0615 1212
$110.00 $93.50 Sale
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Testo 400 Robust air probe temperature (NTC)
Testo 400 Robust air probe temperature (NTC)
Testo 400 Robust air probe temperature (NTC)
SKU: 0615 1712
$115.00 $97.75 Sale
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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"
SKU: 0615 5505
$77.00 $65.45 Sale
We have 4 in stock
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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
SKU: 0554 2222
$99.00 $84.15 Sale
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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
SKU: 0554 1111
$166.00 $141.10 Sale
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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
SKU: 0554 2160
$110.00 $93.50 Sale
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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
SKU: 0554 0960
$234.00 $198.90 Sale
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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
SKU: 0554 0990
$332.00 $282.20 Sale
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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
SKU: 0554 0991
$95.00 $80.75 Sale
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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
SKU: 0516 4401
$107.00 $90.95 Sale
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Testo 440 Transport case for air flow measurement
Testo 440 Transport case for air flow measurement
Testo 440 Transport case for air flow measurement
SKU: 0516 4900
$282.00 $239.70 Sale
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