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TESTO 477 - Technical data

TESTO 477
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3 Specifications
30
3.3. Technical data
General parameters
Protection class IP 65
Frequency range 30 - 300,000 FPM (flashes per minute)
Display LCD, multiline
Accuracy 0.02 % (+/- 1 digit)
Resolution +/- 0.1 (30 to 999 FPM)
+/- 1 (1000 to 300,000 FPM)
Flash parameters
Flash duration adjustable
Flash strength 1500 lux @ 6000 FPM/20 cm
Flash colour approx. 6500 K
Voltage supply
Voltage supply
3 x AA batteries or 3 x NiMH rechargeable
batteries (AA)
Operating time
(depending on
settings)
NiMH rechargeable battery: approx. 11 h @
6000 FPM
Batteries: approx. 5 h @ 6000 FPM
Housing
Material Aluminium
Dimensions 191 x 82 x 60 mm
Weight approx. 400 g (with batteries)
Ambient conditions
Temperature 0 to 45 °C
Humidity Protection class IP 65
Trigger input
Principle Optocoupler
Low level < 1 V
Level 3 to 32 V (square-wave voltage), NPN+PNP
Minimum pulse
length
50 μs
Reverse voltage
protection
Yes

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