Technical Data - testo 477 Manual De Instrucciones

3 Specifications
3.3.

Technical data

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