Multifunctional measuring instruments testo 400 – azia-test

Multifunctional measuring instruments testo 400 – azia-test https://azia-test.com Tue, 28 Oct 2025 07:28:15 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://azia-test.com/wp-content/uploads/2025/09/cropped-cropped-favicon-32x32.jpeg Multifunctional measuring instruments testo 400 – azia-test https://azia-test.com 32 32 The testo 400, a universal measuring instrument for microclimate monitoring https://azia-test.com/en/product/%d0%bf%d1%80%d0%b8%d0%b1%d0%be%d1%80-testo-400-%d1%83%d0%bd%d0%b8%d0%b2%d0%b5%d1%80%d1%81%d0%b0%d0%bb%d1%8c%d0%bd%d1%8b%d0%b9-%d0%b8%d0%b7%d0%bc%d0%b5%d1%80%d0%b8%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d1%8b-2/ Mon, 29 Sep 2025 20:16:15 +0000 https://azia-test.com/?post_type=product&p=19917 Intuitive measurement assistants, including for HVAC duct measurements in accordance with EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence indices in accordance with EN ISO 7730 and ASHRAE 55

High-precision built-in differential pressure sensor, independent of positioning
Measure all indoor air quality parameters using a wide range of probes
Document results directly on site and send them via e-mail, or analyze them using the testo DataControl PC software

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testo 400 – Universal Measuring Instrument for Indoor Climate Monitoring

Order No.: 0560 0400

Registered in the State System for Ensuring the Uniformity of Measurements of the Republic of Kazakhstan
27.12.2021 under No. KZ.02.01.01360-2021
Valid until 27.12.2026

Technical Data

Temperature Measurement (NTC Sensor)

Measuring range	-40 … +150 °C
Accuracy	±0.2 °C ±1 digit (-25 … +74.9 °C) ±0.4 °C ±1 digit (-40 … -25.1 °C) ±0.4 °C ±1 digit (+75 … +99.9 °C) ±0.5 % of measured value ±1 digit (remaining range)
Resolution	0.1 °C

Temperature Measurement (Thermocouple Type K (NiCr-Ni))

Measuring range	-200 … +1370 °C
Accuracy	±(0.3 °C + 0.1 % of measured value) ±1 digit
Resolution	0.1 °C

Differential Pressure Measurement (Built-in Piezoresistive Sensor)

Measuring range	-100 … +200 hPa
Accuracy	±(0.3 Pa + 1 % of measured value) ±1 digit (0 … 25 hPa) ±(0.1 hPa + 1.5 % of measured value) ±1 digit (25.001 … 200 hPa)
Resolution	0.001 hPa

Absolute Pressure Measurement (Built-in Sensor and External Probe)

Measuring range	700 … 1100 hPa
Accuracy	±3 hPa
Resolution	0.1 hPa

General Technical Data

Weight	510 g (instrument)
Dimensions	210 x 95 x 39 mm (LxWxH)
Operating temperature	-5 … +45 °C
Housing	Plastic
Protection class	IP40
Connectable probes	4 x digital Bluetooth® probes or testo Smart Probe; 2 x digital probes with fixed cable or NTC temperature probe with fixed cable (via Testo Universal Connector – TUC); 2 x TC type K temperature probes with fixed cable
Product color	Black / Orange
Camera image size	Main camera: 8.0 MP; Front camera: 5.0 MP
Battery life	Approx. 10 hours continuous operation
Display type	5.0″ touch display, HD 1280*720 pixels, IPS (160k)
Power supply	Rechargeable lithium-ion battery (5550 mAh)
Interface	Bluetooth®; USB; WLAN
Memory	2 GB; 1,000,000 measurement values
Storage temperature	-20 … +60 °C

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