灵敏度:(±15%)1 mV / lbf(0.23 mV / N)
测量范围:±5000 lbf pk(±22240 N pk)
锤重:12.1磅(5.5公斤)
适合大型结构,例如建筑物,桥梁和船舶等的模态测试
ENGLISH: | SI: | |
PERFORMANCE | ||
Sensitivity (±15 %) | 1 mV/lbf | 0.23 mV/N |
Measurement Range | ±5000 lbf pk | ±22240 N pk |
Resonant Frequency | ≥5 kHz | ≥5 kHz |
Non-Linearity | ≤1 % | ≤1 % |
ELECTRICAL | ||
Excitation Voltage | 20 to 30 VDC | 20 to 30 VDC |
Constant Current Excitation | 2 to 20 mA | 2 to 20 mA |
Output Impedance | <100 Ohm | <100 Ohm |
Output Bias Voltage | 8 to 14 VDC | 8 to 14 VDC |
Discharge Time Constant | ≥2000 sec | ≥2000 sec |
PHYSICAL | ||
Sensing Element | Quartz | Quartz |
Sealing | Hermetic | Hermetic |
Hammer Mass | 12.1 lb | 5.5 kg |
Head Diameter | 3.0 in | 7.6 cm |
Tip Diameter | 3.0 in | 7.6 cm |
Hammer Length | 35 in | 89 cm |
Electrical Connection Position | Bottom of Handle | Bottom of Handle |
Electrical Connector | BNC Jack | BNC Jack |
美国进口PCB 086D50 冲击锤,模态力锤,脉冲锤
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