Overview:_x000D_ This product is used in recording cumulative total of the number of times of electronic pulse signal. Widely used in various electric pulse counts in oil, chemical, textile, machinery, mining, national defense, agriculture, food, printing and other industries._x000D_ _x000D_ Features:_x000D_ _x000D_ Four digit electromagnetic counters which is used to record the cumulative number of electric pulse signals. _x000D_ High speed counter measurement, accurate count, small indication error. _x000D_ Simple design with compact size, easy to carry and store. _x000D_ Combined with secondary instrument, it can be digital display instrument. _x000D_ It will generate attractive power in the electromagnet after the electrical signal input to the counter. _x000D_ Widely used in petroleum, chemical, textile, machinery, mining, defense, agriculture, food, printing and other industries of all kinds of electric pulse count. _x000D_ _x000D_ Specification:_x000D_ Model: CSK4-YKW_x000D_ Material: Plastic_x000D_ Weight: 108g/3.8oz_x000D_ Count Range: 0~9999_x000D_ Voltage & Power: #01 AC 220V, AC 2.5VA; #02 AC 110V, AC 2.5VA; #03 DC 24V, DC 1.5W (Optional)_x000D_ Range of voltage fluctuation: 10%_x000D_ Tolerance: -15% ~ +10% (rated voltage)_x000D_ Frequency: 50 ~ 60Hz_x000D_ Count Speed: DC20 times per second, AC10 times per second_x000D_ Indication Error: < 1x 0.00001_x000D_ Environment Temperature: - 20 ~ 50 _x000D_ Relative Temperature: 85%_x000D_ Installation Method: panel_x000D_ Reset Mode: Pressing type (with lock)_x000D_ _x000D_ Package List:_x000D_ 1 x Electromagnetic Counter