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testo 400

testo 400
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testo 400

Product catalog summary
Overview: The Testo 400 is a comprehensive tool for Indoor Air Quality (IAQ) professionals, capable of measuring various parameters such as flow, temperature, humidity, pressure, illuminance, radiant heat, turbulence, CO₂, and CO. It features a precise differential pressure sensor and supports multiple digital probes with an intelligent calibration system.
Key Features:
  • Smart measurement programs for HVAC grid, PMV/PPD, draught and turbulence, and WBGT measurements.
  • Integrated data management for on-site documentation and transmission of measurements.
  • Interchangeable probe heads without the need to restart the device.
  • Independent probe calibration from the measuring instrument to minimize downtime and ensure accuracy.
Technical Specifications:
  • Differential Pressure: Range: -100 to +200 hPa, Accuracy: ±(0.3 Pa ± 1% of m.v.)
  • Absolute Pressure: Range: 700 to +1100 hPa, Accuracy: ±3 hPa
  • Temperature (NTC): Range: -40 to +150 °C, Accuracy: ±0.2 °C
  • Temperature (TC type K): Range: -200 to +1370 °C, Accuracy: ±(0.3 °C + 0.1% of m.v.)
  • General: Operating Temperature: -5 to +45 °C, Storage Temperature: -20 to +60 °C, Battery Life: Approx. 10 hrs
Ordering Information: The Testo 400 is offered in various kits, including air flow kits with different probes and an IAQ and comfort kit with a tripod. Each kit includes the Testo 400 instrument, necessary probes, and accessories like calibration protocols and transport cases.
Probes and Accessories: A variety of digital and analog probes are available, such as hot wire probes, vane probes, humidity/temperature probes, and CO₂ probes. These probes support Bluetooth and cable connections for versatile measurement needs.
Applications: The Testo 400 is ideal for consultants, experts, technical service providers, and service technicians in the air conditioning and ventilation sector, as well as for quality checks in industrial production and manufacturing processes.
Temperature Probes: The document details various temperature probes, including pipe wrap, immersion, air, and surface probes, each with specific measuring ranges, accuracy, response times, and order numbers. Probes are categorized by application and configuration, such as NTC or TC type K.
Pitot Tubes: Specifications for pitot tubes include length, diameter, measuring range, operating temperature, and pitot tube factor, with order numbers for different configurations, including those with integrated temperature measurement.
Calibration Certificates: Available calibration certificates cover flow, pressure, humidity, temperature, luminous intensity, and CO₂ measurements, detailing calibration points and accuracy with order numbers for ISO and DAkkS standards.
Accessories: Accessories include data loggers, tripods, telescopes, transport cases, and connection hoses, supporting the use of probes and pitot tubes in various applications.
Standards and Accuracy: The document references EN 60584-2 for thermocouple accuracy classes, specifying temperature ranges for Class 1, Class 2, and Class 3, and notes that measurement accuracy can be influenced by surface properties and material characteristics.
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Catalog excerpts

testo 400-1

Data sheet testo 400 Universal IAQ instrument testo 400 – the multitasker for IAQ professionals SmartTouch Measures all IAQ-related parameters: Flow, temperature, humidity, pressure, illuminance, radiant heat, turbulence, CO₂ and CO High-quality digital probes and an intelligent calibration concept Document measuring values directly on the customer's site and send them by e-mail, or further analyze them using the testo DataControl PC software High-precision, location-independent and integrated differential pressure sensor Smart and intuitive measurement programs: - HVAC grid measurement in accordance with EN ISO 12599 and ASHRAE 111 - PMV/PPD in accordance with EN ISO 7730 and ASHRAE 55 - Draught and degree of turbulence in accordance with EN ISO 7730 and ASHRAE 55 - BGT measurement in line with DIN 33403 and EN ISO W 7243, NET measurement in accordance with DIN 33403 testo 400 is the universal measuring instrument for all IAQ professionals, enabling them to measure, document and analyze all IAQ parameters with just one instrument. Your Compatible with a comprehensive selection of Bluetooth® and cable probes. - robe heads can be changed without restarting the instruP ment – easy handling with no lost time - alibration of probes which is independent of the measurC ing instrument and adjustment function at up to six meas- - mart support through stored measurement menus and S uring points for zero-error display – fewer downtimes and evaluation of measuring values according to the traffic light principle – for error-free measurements - anage all the relevant customer data, including measM high-precision measurements As consultants, experts, technical service providers or service technicians in the air conditioning and ventilation sec- uring points, directly in the instrument - work directly and tor, the testo 400 therefore supports you in the truly smart performance of your measuring tasks. Relevant quality - omplete and send measuring values with full documenC parameters in industrial production and manufacturing pro- tation, including photos, comments and your own logo cesses can also be reliably and accurately checked using directly on site – get to the next job faster

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testo 400-2

Technical data Differential pressure (integrated) General technical data *TUC connection (Testo Universal Connector): For the connection of fixed cable digital probes and NTC probes. Ordering data testo 400 testo 400 universal IAQ instrument, including transport case for volume flow measurement, testo DataControl software, connection hose, mains unit with USB cable and calibration protocol. IAQ data logger IAQ data logger for long-term measurements with the testo 400 including mains unit with USB cable and calibration protocol.

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testo 400-3

Ordering data for kits testo 400 air flow kit with hot wire probe - testo 400 universal IAQ instrument, including transport case for volume flow measurement, testo DataControl software, silicone hoses, mains unit with USB cable and calibration protocol - Hot wire probe with Bluetooth®, including temperature and humidity sensor (comprising hot wire probe head, telescope (extendable to 1.0 m) handle adapter and Bluetooth® handle), 4 x AA batteries and calibration protocol - ane probe head (Ø 100 mm), including temperature sensor V and calibration protocol - igh-precision humidity/temperature probe...

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testo 400-4

Digital flow probes Probe type Measuring range Digital flow probes Hot wire probe with Bluetooth®, including temperature and humidity sensor Hot wire probe, fixed cable, including temperature and humidity sensor Hot wire probe head, including temperature and humidity sensor Vane probe (Ø 16 mm) with Bluetooth®, including temperature sensor Vane probe (Ø 16 mm), fixed cable, including temperature sensor Vane probe head (Ø 16 mm), including temperature sensor Hot wire probe, fixed cable, including temperature sensor Vane probe (Ø 16 mm), fixed cable Fume cupboard probe, fixed cable (Measurement...

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testo 400-5

Other digital probes and probe accessories Probe type Digital comfort probes Turbulence probe, fixed cable Lux probe, fixed cable DIN 13032-1 Appendix B F1 = 6 % = V(Lambda) adjustment F2 = 5 % = cos-true evaluation Class C according to DIN 5032-7 CO2 probe with Bluetooth®, including temperature and humidity sensor CO2 probe, fixed cable, including temperature and humidity sensor CO2 probe head, including temperature and humidity sensor CO probe with Bluetooth® CO probe, fixed cable Probe handles and adapters Bluetooth® handle for connecting testo 400 testo 440 probe heads Cable handle for connecting...

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testo 400-6

Testo Smart Probes Testo Smart Probes Measuring range testo 115i Clamp thermometer with smartphone operation, for measurements on pipelines with diameters of 6 to max. 35 mm, including batteries and calibration protocol testo 905i Thermometer with smartphone operation, including batteries and calibration protocol testo 805i Infrared thermometer with smartphone operation, including batteries and calibration protocol testo 405i Thermal anemometer with smartphone operation, telescopic tube extendable to up to 400 mm, including batteries and calibration protocol testo 410i Vane anemometer with smartphone...

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testo 400-8

Analog temperature probe Probe type Probe shaft/probe shaft tip dimensions ±0.5% of m.v. (+100 to +150 °C) ±0.2 °C (-25 to +74.9 °C) ±0.4 °C (remaining meas. range) ±0.2 °C (-25 to +80 °C) ±0.4 °C (remaining meas. range) Temperature probe with Velcro (NTC), fixed cable 1.4 m Pipe wrap probe (NTC) for pipe diameters of 5 to 65 mm, fixed cable 1.2 m Response time Watertight immersion/penetration probe NTC, fixed cable 1.2 m Robust air probe NTC, fixed cable 1.2 m Clamp probe for measurements on pipes from 6 to 35 mm diameter, NTC, fixed cable 1.5 m Robust air probe, TC type K, fixed cable Very...

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testo 400-9

Analog temperature probe Probe type Probe shaft/probe shaft tip dimensions Immersion measuring tip, flexible, for measurements in air/flue gases (not suitable for measurements in smelters), TC type K TC type K, 2 m, FEP-insulated thermal wire, temperature-resistant up to 200 °C, oval cable with dimensions: 2.2 mm x 1.4 mm 125 mm Watertight food probe made of stainless steel (IP65), TC type K, fixed cable Watertight immersion/penetration probe, TC type K, fixed cable Flexible, low-mass immersion measuring tip, ideal for measurements in small volumes, such as Petri dishes, or for surface measurements...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.