Trans-Tek 330系列3/8英寸AC测距LVDTs线性位移传感器
330系列3/8英寸AC测距LVDTs以紧凑的弹簧加载封装提供精确的线性位移传感。采用先进的线圈绕制技术，以最小化封装长度并优化整体性能。弹簧力经过精心选择，以确保机械频率响应和尖端力的适当平衡。量程范围为±0.005英寸至±1.0英寸，这些传感器非常适合用于材料厚度测量、单点或多点表面轮廓分析、蠕变测试，或任何其他需要使用小型弹簧加载LVDT的应用。这些传感器也是标准千分表的理想替代品。
Trans-Tek 330系列3/8英寸AC测距LVDT，3/8英寸AC测距LVDTs，紧凑弹簧加载封装中的线性位移传感
主要特点
- 量程从±0.005英寸到±1.0英寸
- 自润滑轴承
- 非线性度≤0.20%
- 20微英寸重复性
SPECIFICATIONS – ELECTRICAL (Reference frequency 7.0 KHz)
| MODEL | UNITS | 0330-0000 | 0331-0000 | 0332-0000 | 0333-0000 | 0334-0000 | 0335-0000 | 0336-0000 | 0337-0000 |
| LINEAR RANGE | ±Inches ±(mm) | 0.005 (0.13) | 0.01 (0.26) | 0.025 (0.64) | 0.05 (1.27) | 0.1 (2.54) | 0.25 (6.35) | 0.5 (12.7) | 1.0 (25.4) |
| NON LINEARITY | < ±0.25% Max. | < ±0.20% Max. | |||||||
| OVERTRAVEL | OUTPUT MONOTONIC OVER ENTIRE MECHANICAL TRAVEL | ||||||||
| TEMPERATURE RANGE | -4°F to +176°F (-20°C to +80°C) (OPERATING) -65 °F to +176°F (-54°C to +80°C) (STORAGE) | ||||||||
| TEMP. COEFFICIENTS | ZERO: < ±0.001% Linear Range/°F SENSITIVITY: < ±0.01% /°F | ||||||||
| SENSITIVITY | V/in./V ±10% | 4 | 4 | 4 | 4 | 4 | 2 | 1 | 0.5 |
| PHASE ANGLE | ° | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 0 |
| INPUT IMPEDANCE | Ohms | 260 | 255 | 250 | 245 | 480 | 320 | 300 | 355 |
| INPUT RESISTANCE | Ohms DC | 36 | 36 | 36 | 36 | 60 | 22 | 30 | 40 |
| OUTPUT RESISTANCE | Ohms DC | 135 | 135 | 135 | 135 | 205 | 210 | 170 | 185 |
| NULL VOLTAGE | % V Ex. Max. | 0.2 | 0.25 | 0.3 | 0.4 | 0.8 | 1 | 1 | 1 |
| MAXIMUM EXCITATION | 15 VRMS | ||||||||
SPECIFICATIONS – MECHANICAL
| MODEL | UNITS | 0330-0000 | 0331-0000 | 0332-0000 | 0333-0000 | 0334-0000 | 0335-0000 | 0336-0000 | 0337-0000 |
| TOTAL LENGTH A | Inches (mm) | 2.45 (62.2) | 2.45 (62.2) | 2.45 (62.2) | 2.45 (62.2) | 2.93 (74.4) | 5.35 (136) | 6.86 (174) | 10.45 (265) |
| SHAFT EXTENSION B | Inches (mm) | 0.65 (16.5) | 0.65 (16.5) | 0.65 (16.5) | 0.65 (16.5) | 0.83 (21.1) | 1.22 (30.9) | 1.69 (42.9) | 2.60 (66.0) |
| NULL POSITION C | Inches (mm) | 0.1 (2.54) | 0.1 (2.54) | 0.1 (2.54) | 0.1 (2.54) | 0.15 (3.81) | 0.35 (8.89) | 0.57 (14.5) | 1.15 (29.2) |
| SPRING FORCE @ NULL | Lbs. | 0.73 | 0.73 | 0.73 | 0.73 | 1.07 | 0.74 | 0.57 | 0.70 |
| FREQ. RESPONSE | Hz | 250 | 180 | 110 | 75 | 45 | 18 | 6 | 6 |
DIMENSIONAL DRAWING
SCHEMATIC
SYSTEM SPECIFICATIONS (Combined Performance of LVDT and 1000-0014)
| MODEL | UNITS | 0330-0000 | 0331-0000 | 0332-0000 | 0333-0000 | 0334-0000 | 0335-0000 | 0336-0000 | 0337-0000 |
| SIGNAL OUTPUT | ±VDC | 0.2 | 0.4 | 1.0 | 2.0 | 4.0 | 5.0 | 5.0 | 5.0 |
| OUTPUT CURRENT | ±3 mA without distortion | ||||||||
| OUTPUT RIPPLE | VRMS | 0.004 | 0.008 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| POWER INPUT | ±14.5 to ±28 VDC @ ±100 mA Max., Input polarity protected | ||||||||
| TEMPERATURE RANGE | 1000-0014 | +32 °F to +158°F (0°C to +70°C ) (Operating) -65 °F to +257°F (-54 °C to +125°C ) (Storage) | |||||||
| TEMP. COEFFICIENTS | 1000-0014 | Zero < ±0.00035 VDC/°F Sensitivity < ±0.02%/°F | |||||||
