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美國(guó)Dytran 5800B2是一種通用型IEPE脈沖錘/力錘，是利用安裝有力傳感器的“力錘"，用自定義的力來擊打（激勵(lì)）被試驗(yàn)結(jié)構(gòu)物，來鑒定共振態(tài)，取得動(dòng)態(tài)行為研究里的重要參數(shù)。借助于現(xiàn)代測(cè)試技術(shù)和微機(jī)的FFT以脈沖試驗(yàn)原理和模態(tài)理論迅速求得結(jié)構(gòu)模態(tài)參數(shù)的一種快速、簡(jiǎn)便、有效的方法。同時(shí)也可以檢測(cè)被測(cè)物結(jié)構(gòu)健康狀態(tài)。
在錘擊試驗(yàn)中，對(duì)被測(cè)結(jié)構(gòu)輸入的是激勵(lì)（錘擊）力信號(hào)，通過測(cè)量結(jié)構(gòu)各點(diǎn)的響應(yīng)（輸出）加速度信號(hào)，即可求得結(jié)構(gòu)的傳遞函數(shù)。
The Dytran 5800B2 is a general purpose IEPE impulse hammer used to excite structures or machinery with a definable impulse force. The impulse is used to identify resonances, an important measurement parameter for the study of dynamic behavior, as well as to help determine the overall structural health of a test specimen. Available with a 50 lbf range, the Dytran model 5800B2 features a 100-gram head weight and is supplied with three interchangeable impact tips.
The Dytran Dynapulse™ impulse hammers incorporate a special acceleration compensated piezoelectric force sensor in the hammer head at the striking face, ensuring a smooth frequency spectrum that is free from anomalies. Electrical connection is achieved via a BNC connector jack located at the end of the hammer handle.
型號(hào) | 量程 (lb) | 靈敏度 (mV/Lb) | 固有頻率 (kHz) | 力值 (Lb) | 錘頭重 (g) | 工作溫度 (℃) |
5800B1/B3/B4/B5 | 10-1000 | 500-5 | 75 | 200-2000 | 100g | -40 to +65 |
5801B4/B5/B6 | 1-10 | 500-5000 | 75 | 6000-8000 | 100g | -40 to +65 |
5802A TEDS | 5000 | 1 | 75 | 10000 | 1000 | -40 to +65 |
5803A TEDS | 5000 | 1 | 75 | 10000 | 5000 | -40 to +65 |
5805A | 5000 | 1 | 75 | 10000 | 450 | -40 to +65 |
5850B | 5000 | 1 | >75 | 10000 | 5.3 | -40 to +65 |
5860B | 50 | 100 | 0.001-8 | ±100 | 60 | -100-+250 |
特性
1. 靈敏度100 mV/lbf sensitivity
2. 測(cè)量50 lbf（222.4N）
3. 力值1000 lbf
4. BNC連接器
5. 測(cè)量頭重100g
6. IEPE
應(yīng)用
1. 機(jī)械零部件檢測(cè)
2. MIMO實(shí)驗(yàn)
3. 模態(tài)與結(jié)構(gòu)分析
4. 根源故障分析
5. 應(yīng)用在車架，軸承箱，剎車片，工字梁，板和其它中小尺寸結(jié)構(gòu)機(jī)械上。
Weight, Head 3.5 oz 100 grams
Head Material Stainless Steel Stainless Steel
Impact Tips Material Aluminum / Plastic Aluminum / Plastic
Sensitivity, ± 10 % 100 mV/LbF 22.5 mV/N
Range 50 Lbs. Force 222.4 N
Maximum Force 1,000 Lbs. Force 4448 N
Linearity [1] ±1 % Full Scale ±1 % Full Scale
Resonant Frequency 75 kHz 75 kHz
Stiffness, Force Sensor 11.4 Lb/μin 2.0 kN/μm
ELECTRICAL
Output Voltage F.S ±5 V ±5 V
Output Impedance, Max 100 Ω 100 Ω
Bias Voltage 7 to 12 VDC 7 to 12 VDC
Compliance Voltage Range 18 to 30 VDC 18 to 30 VDC
Supply Current Range 2 to 20 mA 2 to 20 mA
Discharge Time Constant, Nom 20 Sec 20 Sec
訂貨型號(hào)
5800B2 脈沖錘
5800B3 脈沖錘
5800B4 脈沖錘
5800B5 脈沖錘
5800B2T 脈沖錘TEDS
5800B3T 脈沖錘TEDS
5800B4T 脈沖錘TEDS
5800B5T 脈沖錘TEDS
5800BSL 脈沖錘
配件
1. Model 6250A aluminum impact tip, (1) model 6250P impact plastic tip, (1) model 6250PS soft plastic impact tip
2. Model 4114B1 current source power unit
3. 電纜線：6055A, 6089A
相關(guān)型號(hào)
型號(hào) | 量程 (lb) | 靈敏度 (mV/Lb) | 固有頻率 (kHz) | 力值 (Lb) | 錘頭重 (g) | 工作溫度 (℃) |
5800B1/B3/B4/B5 | 10-1000 | 500-5 | 75 | 200-2000 | 100g | -40 to +65 |
5801B4/B5/B6 | 1-10 | 500-5000 | 75 | 6000-8000 | 100g | -40 to +65 |
5802A TEDS | 5000 | 1 | 75 | 10000 | 1000 | -40 to +65 |
5803A TEDS | 5000 | 1 | 75 | 10000 | 5000 | -40 to +65 |
5805A | 5000 | 1 | 75 | 10000 | 450 | -40 to +65 |
5850B | 5000 | 1 | >75 | 10000 | 5.3 | -40 to +65 |
5860B | 50 | 100 | 0.001-8 | ±100 | 60 | -100-+250 |
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