| | Designed just for easy operation | | Wide ranges of time from 0.001sec to 9999hrs. | | 9 kinds of output mode for various applications. | | Batch counting function possible equipped with counter.(DT7-B4) | | Precision control possible to 0.001 second. | | High-visibility LCD display with built-in backlight | | Online set value changeable. | | | | | DT7-4 | DT7-B4 | | Size | DIN 72】72mm | Model | DT7-4 | DT7-B4 | General Type | With Counter Type | Display modes | Elapsed time (UP), Remaining time (DOWN) | Out modes | A,A-1,A-2,A-3,b,b-1,d,E,F | Time range | 99.99s (0.01s~), 999.9s(0.1s~), 9999s(1s~), 99m59s(1s~), 999.9m(0.1m~), 9999m(1m~), 99h59m(1m~), 999.9h(0.1h~),9999h(1h) | Input signal | SIGNAL, RESET, GATE, KEY PROTECT input | - | COUNTER input (1KHz), COUNTER RESET input | Input logic | No voltage input : Via opening and closing of contact | Control outputs | Contact output 1c (250V 5A) NPN open collector (DC 30V 100mA max.) | Counter outputs | - | NPN open collector (DC 30V 100mA max.) | Display | LCD with backlight | Time tolerance | 【0.01% 【 0.05sec. max. (case of power start) 【0.005% 【 0.03sec. max. (case of signal start) *set value base | Memory backup | Over 10 years (+20∑C) | External power supply | DC12V 【 10% 80mA. (5% ripple max.) | Rated supply voltage | AC 100~240V (50/60Hz) | DC12~24V (20% ripple max.) | Current consumption | Approx. 8VA (at 50Hz, 240VAC) Approx. 5W (at 24VDC) | | |