Testo AG Tachometer, 05634770 Data Sheet

3 Specifications 

30 

 

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