SZD-1, 2,21 Electric tachometerDetailed product description：

SZD-1, 2,21 Electric tachometer is mainly used for remote measurement of various engine speeds Each tachometer generator can have two indicators working simultaneously The SZD-21 electric tachometer strap has an alarm mechanism and can trigger an overspeed alarm

Main technical indicators:
Accuracy level: Level 1.5
The indicator can be used normally in environments with temperatures ranging from -20 ℃ to+50 ℃ and relative humidity below 85%. The alarm can be used normally in environments with ambient temperatures ranging from 0 to+50 ℃ and relative temperatures below 85%.
Dimensions: Indicator: 63 × 63 × 122.5
Speed generator: 48 × 48 × 130
Alarm: 113.5 × 53.5 × 105.5
Weight: Indicator 0.556kg
Alarm: 0.415 kg
Speed generator: 1.020kg
Socket: 0.0173 kg

SZD-1, 2,21 electric tachometer