The testo 477 makes stunningly fast movements appear as if they are in slow motion. For measuring speeds of up to 300,000 rpm and inspecting machines and systems while they are still running.

There is no way of telling with the naked eye if the thread guide of a knitting machine is working properly or if there is anything wrong or irregular about vibration or rotational processes of machines or systems while they are still running. The testo 477 LED stroboscope emits a series of high-speed flashes that makes what you see appear as a frozen image.

The testo 477 LED stroboscope can also measure the rotational speed of very small and hard-to-reach objects without having to first shutdown machines or disrupt production processes.

Technical features

A very high measurement range of up to 300,000 flashes per minute and a very high illumination of up to 1500 Lux allow you to carry out rotational speed measurements of up to 300,000 rpm. A trigger input and output ensure connectivity to external systems and control via an external sensor.

The LED stroboscope’s integrated impact protection and sturdy IP65 rated housing (can be wiped down) ensure that the testo 477 can stand up to the rough and tumble of everyday use. And thanks to a longer battery operating time, you can carry out uninterrupted measurements for up to 5 hours.

Features:

Very high measurement range (up to 300,000 flashes per minute)
Very high illumination (up to 1500 Lux)
Long operating times (battery power for up to 5 h)
Trigger input and output (for connectivity to external systems and control via external sensor)

More products TESTO

TESTO 416 - SMALL VANE ANEMOMETER

• Small (0.63 inch) vane for in-duct measurement
• Direct display of volume flow (CFM)
• Multi-point and timed average calculations make fast and simple work of duct traverses
• Bright backlit display provides easy viewing in any environment

TESTO 206 PH2 - INSTRUMENT KIT

• pH2 probe head for semi-solid food
• Automatic full-scale recognition
• Maintenance-free gel electrolyte
• Leak-proof storage gel

TESTO 826-T2 - INFRARED THERMOMETER WITH LASER MARKING FOR FOOD (6:1 OPTICS)

• Infrared thermometer measures the temperature without any contact and therefore in a non-destructive manner
• 6:1 optics and 1-point laser measurement spot marking
• Limit value monitoring with min./max. function, visual and acoustic alarm if limit values are exceeded
• In conjunction with the protective case TopSafe, the instrument is certified according to EN 13485 (TopSafe is included in the delivery)

TESTO 606-1 - MOISTURE METER

• Precise moisture measurements in wood / cement etc.
• Characteristic curves for wood / building materials
• Hold function: freezes the last reading for convenient use
• Backlit display for use in all lighting conditions

TESTO 845 WITH INTEGRATED HUMIDITY MODULE - INFRARED TEMPERATURE MEASURING INSTRUMENT WITH INTEGRATED HUMIDITY MODULE

• Switchable optics for far-field (75:1) and close-focus (1 mm, distance 70 mm) measurements
• Humidity module for determining surface moisture
• Instrument memory for 90 measurement protocols
• Visual and acoustic alarm if limit values exceeded

TESTO 176T4 - FOUR-CHANNEL TEMPERATURE DATA LOGGER

• External thermocouple parallel connections provide reliable temperature monitoring at up to four sites
• Large, easy to read, bright, backlit display makes it easy to see the current temperature
• Large data memory capable of storing 2,000,000 temperature readings
• Rugged and waterproof according to IP54

TESTO 526-1 - DIFFERENTIAL PRESSURE MEASURING INSTRUMENT 0 TO 2000 HPA (ACCURACY &PLUSMN;0.1% OF F.V.)

• Temperature-compensated differential pressure sensor
• Multi-point and timed mean calculation
• Recording of measurement data with freely selectable measuring rate
• 2 probe inputs for pressure and temperature

TESTO 622 - THERMOHYGROMETER AND BAROMETER

• Measures air temperature / pressure / RH
• Ideal for monitoring the air, especially in laboratories
• Alarm alerts when threshold is exceeded
• Table or wall mount

TESTO 608-H1 - THERMAL HYGROMETER

• With dew point calculation and max/min display
• Humidity sensor is not affected by condensation
• Large, clear display
• Durable quality: capacitive humidity sensor with long term stability for many years of measurement

TESTO 315-3 - CO AND CO2 METER FOR AMBIENT MEASUREMENTS

• High-precision electrochemical CO sensor, shock resistant infrared CO2 sensor
• Visual and audible alarm when thresholds are breached - adjustable thresholds
• Rugged design
• Rugged sensors