... of electromagnetic compatibility 2. strong anti-interference performance Digital batch counter type and specificationJC48S-B; JC49S-B; JC72S-B ... function1 Section preset function ; 2 Section preset function(batch and gross function), preset function+ give an alarm; ... Section preset function;8 Section preset function and gross&batch functionpreset proportionPreset the multiplying power : 0.00001~9 ...