testo 440, 440 dP Air velocity & IAQ measuring instruments

เครื่องวัดความเร็วลมและคุณภาพอากาศ

Multifunction
หัววัดสามารถเชื่อมต่อได้ทั้งแบบบลูทูธ, Thermocouple, Fix cable
หน้าจอแสดงผลการตรวจวัดได้พร้อมกัน 3 ค่า
หน่วยความจำภายใน สูงสุดถึง 7,500 ข้อมูล

SKU: 440 Categories: Pressure & Vacuum, Products

Description
Additional information

Download: testo 440, 440 dP Air velocity & IAQ measuring instruments Data Sheet

testo 440
Air velocity & IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol.
Part no. 0560 4401

testo 440 dP
Air velocity & IAQ measuring instrument with integrated differential pressure sensor, connection hose, 3 x AA batteries, USB cable and calibration protocol.
Part no. 0560 4402

Intuitive: clearly structured measurement menus for the most important applications stored on the instrument
Wireless: Bluetooth probes for greater measuring convenience and a reduced tangle of cables in the case
Space-saving: a universal handle for all probes
Clear overview: parallel display of 3 measuring values; configuration and results at a glance
Reliable: internal memory for up to 7500 measurement protocols, USB interface for data export and optional printout of measuring values

Technical data

	testo 440	testo 440 dP
Temperature (NTC)
Measuring range	-40 to +150 °C
Accuracy (±1 digit)	±0.4 °C (-40 to -25.1 °C) ±0.3 °C (-25 to +74.9 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5% of m.v. (remaining meas. range)
Resolution	0.1 °C
Temperature (TC)
Measuring range	-200 to +1370 °C
Accuracy (±1 digit)	±(0.3 °C + 0.3% of m.v.)
Resolution	0.1 °C
Temperature (Pt100)
Measuring range	See probe data
Accuracy (±1 digit)
Resolution
Differential pressure
Measuring range	–	-150 to +150 hPa
Accuracy (±1 digit)		±0.05 hPa (0 to +1.00 hPa) ±0.2 hPa + 1.5% of m.v. (+1.01 … +150 hPa)
Resolution		0.01 hPa
Probe connections
TC type K	1x
NTC TUC / digital probe with cable	1x
Bluetooth probe	1x digital Bluetooth probe or testo Smart Probe
Differential pressure	–	+
Technical data
Operating temperature	-20 to +50 °C
Storage temperature	-20 to +50 °C
Battery type	3 x AA batteries
Battery life	12 h (typically vane measurement)
Weight	250 g
Dimensions	154 x 65 x 32 mm

Brand	TESTO

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