Counter price General 鈥?Large display with 8.6-mm character height. 鈥?Light-gray cases available 鈥?PNP/NPN universal DC voltage input types now available. 鈥?Battery is replaceable for Totalizer reuse and conservation of the environment. 鈥?Key-protect switch to prevent faulty reset key operation. 鈥?Short body, all models have a depth of 48.5 mm. Conforms to EN60950-1 2006 A2 2013 鈥?Allowing use in residential, commercial and light- and heavy-industry environments. Self-powered Counter New Model H7EC 鈥?Eight-digits, counting range 0 to 99999999 Specifications ItemH7EC-NV-鈻? H7EC-NV-鈻H7EC-NFV-鈻?/p>H7EC-N-鈻?/p> Operating modeUp type Mounting methodFlush mounting External connectionsScrew terminals, optional Wire-wrap Terminals (see note 1) ResetExternal/Manual reset Number of digits8 Count inputPNP/NPN universal DC voltage in-putAC/DC multi-voltage inputNo-voltage input Display7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 2) Max. counting speed30 Hz/1 kHz Case colorLight gray Approved standardConforms to EN61010-1/IEC61010-1 (Pollution degree2/overvoltage category III) Ratings ItemH7EC-NV-鈻? H7EC-NV-鈻H7EC-NFV-鈻?/p>H7EC-N-鈻?/p> Supply voltageOnly for backlight Powered by built-in batteryNot required (powered by built-in battery Count inputHigh (logic) level: 4.5 to 30 VDC Low (logic) level: 0 to 2 VDC (Input impedance: Approx. 4.7 k鈩?High (logic) level: 24 to 240 VAC/VDC, 50/60 Hz Low (logic) level: 0 to 2.4 VAC/VDC, 50/ 60 HzNo voltage input Maximum short-circuit impedance: 10 k鈩?max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 k鈩?min. Reset inputNo voltage input Maximum short-circuit impedance: 10 k鈩?max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 k鈩?min. Max.counting speed (see note)30 Hz or 1 KHz (Switchable with switch) Minimum signal width20 Hz: 25 ms 30 Hz: 16.7 ms 1 KHz: 0.5 ms Reset systemExternal reset and manual reset: Minimum signal width of 20 ms Terminal screw tightening torque0.98 N路m max Ambient temperatureOperating: 鈥?0掳C to 55掳C (with no condensation or icing) Storage: 鈥?5掳C to 65掳C (with no condensation or icing) Ambient humidityOperating 25% to 85%Counter price website:http://www.ilead-time.com/counter/