The front panel contains a display window, ON/OFF switch, one RESET push button, one LATCH/UPDATE switch, one RANGE switch and two selector switches to select different START/STOP modes. A set of four terminals is provided on the front panel for connecting start-stop signals.

High accuracy and repeatability have been achieved by using high-frequency crystal and C-MOS technology. An overflow indication is also provided by blinking of the display. The instrument is portable and mains operated. The instrument is protected against overloads/short-circuits and provided with reverse polarity indicator in the case of start/top by step negative voltages.

TIME INTERVAL METER SPECIFICATIONS

• Suitable to test protective device, circuit breaker, tripping coils, relays etc.

• Input : 230V Single Phase AC 50Hz.

• Number of Channel : THREE

• Display of each channel : 7 segment LED type, 4 digits

• Ranges : A. 0 – 99.99mSec Resolution 10uSec / B. 0 – 999.9mSec. Resolution 100uSec / C. 0 – 9.999mSec. Resolution 1mSec

• Time Start Mode : Simultaneously 3 channel 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.