MODEL 425 ANEMOMETER - DP MEASUREMENT - #1

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ANEMOMETER MODEL 425 Features and Benefits „hDuct measurements are easily entered into the testo 425 and the volume flow measurement is calculated and shown on the clear display „hIt is possible to switch easily between flow and temperature readings „hTimed and multi-point mean flow calculations allow easy flow analysis and temperature variation monitoring „hMax and min values „hThe ‘Hold’ function freezes the current readings in the display for easy data recording „hDisplay light „hAuto Off function „hTemperature, flow and volume flow measurement SPECIFICATION Thermal NTC Measurement range 0 to + 20 m/s - 20 to + 70ºC Accuracy ± 1 digit ± 0.03 m/s + 5% of mv ± 0.5ºC (0 to 60ºC) ± 0.7ºC (remaining range) Resolution 0.01 m/s 0.1ºC Operating temperature - 20 to + 50 ºC - 20 to + 50 ºC Storage temperature - 40 to + 85ºC - 40 to + 85ºC Battery type 9V 9V Battery life 20h 20h Dimensions 182 x 64 x 40 mm 182 x 64 x 40 mm Weight 285g 285g Material/housing ABS ABS In the interest of product development and improvement manufacturers reserve the right to alter specifications without prior notice. DPMEASUREMENT ASSOCIATED INSTRUMENTS REPAIRS T / F + (44) 0 1280 817122 T / F + (44) 0 1280 823823 e-mail dpm@ttseries.com e-mail air@ttseries.com Unit 11 Top Angel Buckingham Industrial Park Buckingham MK18 1TH England Using the testo 425 to monitor the volume flow of exhaust air. Using the testo 425 to set up the air input in a kitchen Accessories „hCase for measuring instrument and probes „hTopSafe, protects from impact and dirt „hRecharger for 9V rechargeable battery For external recharging of battery „h9V rechargeable battery for instrument Instead of battery „hISO Velocity Calibration 5 points across range The testo 425 is an easy to use, compact anemometer with an attached thermal probe on a telescopic handle (maximum length 820mm).