Description
Ideal for Testing, Adjusting and Balancing (TAB) / (Retro)-Commissioning Professionals (BSC / RCx) or Cleanroom Performance Tester (CPT) the testo 400 Air Flow kit meets highest standards when it comes down to accuracy and durability for air velocity measurements on HVAC systems.
Features:
- A measuring instrument for all climate-related parameters
- Measurement assistant for volume flow measurement according to ASHRAE 111 and NEBB air velocity and air pressure instrument requirements.
- You have all measurement locations withat all times and ready atfingertips.
- Wireless Bluetooth probes for maximum
- freedom of movement at work.
- Create and finalize measurement reports on site directly on the testo 400.
- Smart support through stored measurement menus and evaluation of measuring values according to the traffic light principle for error-free measurements
- Manage all the relevant customer data, including measuring points, directly in the instrument - work directly and efficiently on site
- Complete and send measuring values with full documentation, including photos, comments andown logo directly on site get to the next job faster
- Probe heads can be changed without restarting the instrument easy handling with no lost time
- Calibration of probes which is independent of the measuring instrument and adjustment function at up to six measuring points for zero-error display fewer downtimes and high-precision measurements
Applications:
- Air flow measurements: Duct traverse (Hot wire probe / Pitot tube) Flow measurements at outlets (Rotating Vane Anemometer) as per ASHRAE 111 and NEBB Instrumentation Requirements in disciplines like TAB/BET/BSC/CPT/RCX
- High-precision, location-independent and built-in differential pressure sensor, smart and intuitive measurement programs for IAQ measurements in accordance with the standards, creation of documentation on site, e-mailing of reports, versatile combination options with IAQ probes
- Measurements in laboratories and clean rooms: Flow measurements in fume cupboards, differential pressure measurements and laminar flow measurements in clean rooms, humidity measurements in clean rooms with additional probes Comfort level measurements: Measurement of indoor air quality or turbulence as per ASHRAE 55, PMV/PPD as per ASHRAE 55.
Specification
| Temperature - NTC | |
| Measuring range | -40.0° to 302.0 °F / -40 to +150 °C |
| Accuracy | ±0.4 °F ±1 Digit (-13° to 166.8 °F) / ±0.2 °C ±1 Digit (-25 to +74.9 °C) ±0.7 °F ±1 Digit (-40° to -13.2 °F) / ±0.4 °C ±1 Digit (-40 to -25.1 °C) ±0.7 °F ±1 Digit (75° to 211.8 °F) / ±0.4 °C ±1 Digit (+75 to +99.9 °C) ±0.5 % of mv ±1 Digit (Remaining Range) |
| Resolution | 0 °F / 0.1 °C |
| Temperature - Type K TC | |
| Measuring range | -328.0° to 2498.0 °F / -200 to +1370 °C |
| Accuracy | ±(0.5 °F + 0.1 % of mv) ±1 Digit / ±(0.3 °C + 0.1 % of mv) ±1 Digit |
| Resolution | 0.1 °F / 0.1 °C |
| Differential pressure (internal sensor) - Piezoresistive | |
| Measuring range | -40 to +80 InH2O / -100 to +200 hPa |
| Accuracy | ±(0.0 InH2O + 1 % of mv) ±1 Digit (0 to 25 InH2O) / ±(0.3 Pa + 1 % of mv) ±1 Digit (0 to 25 hPa) ±(0.0 InH2O + 1.5 % of mv) ±1 Digit (10.000 to 80 InH2O) / ±(0.1 hPa + 1.5 % of mv) ±1 Digit (25.001 to 200 hPa) |
| Resolution | 0.000 InH2O / 0.001 hPa |
| Absolute Pressure (internal sensor and external probe) | |
| Measuring range | 280 to 440 InH2O / 700 to 1100 hPa |
| Accuracy | ±1 InH2O / ±3 hPa |
| Resolution | 0.1 InH2O / 0.1 hPa |
| General technical data | |
| Weight | 17.99 oz. (instrument) / 510 g (instrument) |
| Dimensions | 8.3 x 3.7 x 1.5 in. (LxWxH) / 210 x 95 x 39 mm (LxWxH) |
| Operating temperature | 23.0° to 113.0 °F / -5 to +45 °C |
| Housing | Plastic |
| Protection class | IP40 |
| Connectable probes | 4 x digital Bluetooth probe or testo Smart Probe; 2 x digital probe with fixed cable or temperature probe NTC with fixed cable (via Testo Universal Connector - TUC); 2 x temperature probe TC type K with fixed cable |
| Product colour | black/orange |
| Camera image size | Main camera: 8.0 MP; Front camera: 5.0 MP |
| Battery life | approx. 10 hrs continuous operation |
| Display type | 5.0" touch display, HD 1280*720 pixels, IPS (160 k) |
| Power supply | Rechargeable li-ion battery (5550 mAh) |
| Interface | Bluetooth; USB; WLAN |
| Memory | 2 GB; 1,000,000 measuring values |
| Storage temperature | -4.0° to 140.0 °F / -20 to +60 °C |
| Hot wire probe (digital) - with Bluetooth Temperature - NTC | |
| Measuring range | -4° to 158 °F / -20 to +70 °C |
| Accuracy | ±0.9 °F (32° to 158 °F) / ±0.5 °C (0 to +70 °C) ±1.4 °F (-4° to 32 °F) / ±0.8 °C (-20 to 0 °C) |
| Resolution | 0.1 °F / 0.1 °C |
| Humidity - Capacitive | |
| Measuring range | 5 to 95 %rH |
| Accuracy | ±3 %rH (10 to 35 %rH) ±2 %rH (35 to 65 %rH) ±3 %rH (65 to 90 %rH) ±5 %rH (Remaining Range) ±0.06 %rF/K (k=1) |
| Resolution | 0.1 %rH |
| General technical data | |
| Storage temperature | -4° to 140 °F / -20 to +60 °C |
| Weight | 14.1 oz. / 400 g |
| Dimensions | 30.7 x 2.0 x 1.6 in. / 780 x 50 x 40 mm |
| Operating temperature | 23° to 122 °F / -5 to +50 °C |
| Length telescope | 39.37 in. / 1,000 mm |
| Probe head diameter | 0.354 in. / 9 mm |
| Diameter telescope | 0.63 in. / 16 mm |
| Product colour | black/orange |
| Length probe shaft | 9.055 in. / 230 mm |
| Diameter probe shaft | 0.354 in. / 9 mm |
| Battery type | 4 x AA batteries |
| Battery life | 21.5 h |
| Data transfer | Bluetooth |
| Radio range | 65.616 ft. / 20 m |
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