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Easy, self-explanatory menu Clear segment display Back-lit display IR printout Integrated condensate trap Integrated dirt filter (interchangeable) Additional soot filter measurement as possibility of proof Li-ion battery (2600 mA, 45 individual measurements) can be charged inside or outside the instrument Battery and charger from Testo 327 and Testo 330 can be used with Testo 308 Bluetooth interface (optional)* Easy exchange of soot filter rolls Spare battery can be charged either separately or in instrument Protection class IP40
Easy to adjust (screwdriver included) Frequency weighting to characteristic A and C Maximum and minimum memory Built-in tripod screw (1/4 inch) Switchable time weighting Fast / Slow Automatic range switchover Backlit display Power supply BarGraph display AC output to connection from recorders and amplifiers DC output with 10 mV/dB to connect recorders or data loggers Time weighting
Easy to adjust (adjustment screwdriver included) Frequency weighting to Characteristic A and C Maximum and minimum value memory Built-in tripod knuckle screw (1/4 inch) Switchable time weighting Fast / Slow Frequency weighting Current value Time weighting Section measurement range
High setting accuracy and stability thanks to dynamic setting dial High light intensity due to energy optimised switching electronics and powerful xenon flash lamp Powerful rechargeable battery pack for min. 1 hour operation time over the frequency range Automatic trigger to synchronize flash sequence Even higher light intensity with improved high-performance xenon flash lamp Tripod connection in housing Memory function (last reading is stored when switched off) Mains operation with simultaneous battery charging possible
Easy one-hand operation Measurement of rpm, speeds and lengths "Low Batt" warning Rugged, protective SoftCase Storage of mean/max./min. values, last reading Measurement distance up to 23.62 in. (optical measurement)
Highly affordable Easy one-hand operation Rugged design with protective SoftCase Measurement distance up to 23.62 in. 1 to 99999 rpm Range +/-0.02 Percent Accuracy
Optical rpm measurement with LED sighting Max / min values Incl. calibration certificate Protective cap for safe storage Including wrist strap and belt clip Display light Reflective markers Resolution range: 100 - 29.999 RPM
Detector size 640 x 480 pixels SuperResolution technology to 1280 x 960 pixels Thermal sensitivity < 40 mK Flexibility thanks to its rotating handle and rotating, fold-out display Exchangeable lenses Special Measurement mode for detecting mold-risk areas High temperature measurement up to 1,200° C Panorama image assistant SiteRecognition Technology Fully radiometric video