Work voltage:  3V-6V£»
 DC impedance:  450¦¸¡À50¦¸/20¡æ£»
 Applicable pulse width:  50ms-600ms£»
 Applicable frequency:  ¡Ü4HZ
 Deferent moment:  57¦ÌNm/4.5V
 Work temperature:  -35¡æ-+70¡æ
 Use life:  pulse exceed a hundred million times (more ten years)
 Antimagnetic capability:  Accord GB/T17215 standard request
 Other technical condition:  Accord JB5459-91 standard request
 Applicable ammeter constant:  800/1600/3200imp/kwh.