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