testo-425-application-velocity-004652_master

testo 425 Thermal anemometer

With fixed flow velocity probe

เครื่องวัดความเร็วลมแบบ Hot wire

ช่วงการวัดความเร็วลม 0 ถึง 20 m/s
ช่วงการวัดอุณหภูมิ 20 ถึง 70 °C
มีด้ามจับแบบ Telescopic ความยาว 820 มม.
แสดงค่าการวัดสูงสุด และต่ำสุดได้

SKU: 425 Categories: Pressure & Vacuum, Products

Description
Additional information

Download: testo 425 Thermal anemometer Data Sheet

testo 425 compact thermal anemometer with fixed velocity probe incl. temperature measurement and telescope (max. 820 mm), battery and calibration protocol

Measurement of flow velocity, volume flow and temperature
Point and timed mean value calculation
Max./min. values
Hold button for freezing measurement value
Display illumination
Auto-off function
TopSafe, protection of the instrument from dirt and impact (optional)

Technical data

General technical data

Oper. temp.	-20 to +50 °C
Storage temp.	-40 to +85 °C
Battery type	9V block battery, 6F22
Battery life	20 h
Dimensions	182 x 64 x 40 mm
Weight	285 g
Material/Housing	ABS
Warranty	2 years

Sensor types

	Thermal	NTC
Meas. range	0 to +20 m/s	-20 to +70 °C
Accuracy ±1 digit	±(0.03 m/s +5% of mv)	±0.5 °C (0 to +60 °C) ±0.7 °C (remaining range)
Resolution	0.01 m/s	0.1 °C

Brand	TESTO

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testo 425 Thermal anemometer

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