7digits Mechanical Roller Counter Stepper Motor Counter for Energy Meter

SpecificationDisplay digits7-digit displays 0-9 with metal cover (plastic optional)Mode800BC07MNumber ratio200 :1Working voltage3.0-5.5VDisplay number7+1Life≥2×10^7 number of driving pulsesWhen voltage 5V±0.3Vmaximum frequency 10Hz; minimum pulse width 50msDC impedance (20ºC)550Ω±50ΩTotal length of the lead wire125±5mmAmbient temperature-40 ºC ~70ºCRelative humidity≤ 95%800 series of electric meter counter is a cheap, low-cost mechanical counter.Plastic and metal types can be optional. Its main features as follow:1)Display digits: 6-digit or 7-digit black wheel;2)0-9 character display; Number ratio: 200:1;3)Long service life, Driving voltage is generally 3.0-5.5V, mainly designed for Russia market.  Beside They are widely used for: 1), Multi-funcational energy meter2), Prepayment energy meter3), Reactive energy meter4), Watt-hour meter5), Multi-rate watt-hour meters6), Maximum demand energy meter.7), Standard electric energy meter/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1