STICHT 品名：Vibrating Reed Tachometer           震动式转速表    系列：H-1、H-2、H-3系列  These instruments are ideal for checking speeds of totally enclosed electrical equipment. Just hold the Tachometer against motor, turbine, pump, vacum cleaner, hair dryer or other similar equipment anywhere and read the speed.
These Tachometers are mounted in cases of cast aluminium alloy finished with black crackle enamel.　 Also available with bosses for permanent mounting.
Lowest possible speed is 600Rpm and the highest is 30,000Rpm.   此仪器是专门设计予量度一些完全密封式的转动型家庭电器. 在量度时, 只需把转速表紧贴在马达, 引擎, 吸尘机或同类型之产品的外壳上 , 便可量出读数 .
此转速表为装设在一铝合金内 , 坚固耐用.
最低转数为 600转 / 分, 最高为 30,000转 / 分 ; 视乎各型号的分别 . 

可提供美国权威NIST证书