Description

Digital Time Interval Meter- Metravi NTT-4D.

Suitable to test protective device, circuit breaker, tripping coils, relays etc.
Input 230V Single Phase AC 50Hz.
Number of Channel One
Display of each channel 7 segment LED type, 4 digits
Ranges
A. 0 – 999.9mSec Resolution 100uSec
B. 0 – 9.999 Sec. Resolution 1mSec
C. 0 – 99.99 Sec. Resolution 10mSec
Time Start Mode
Simultaneously starts by injection of 20V to 240V AC/DC or by potential Free Contact
Time Stop Mode
Individual stop of timer counting with excitation of auxiliary contacts of relay or switchgear under test.