1. Introduction
SDJ-SG-2 vibration speed sensor is mainly installed on the bearing caps of various rotating mechanical devices (such as turbines, compressors, fans and pumps, etc.). It is an electromagnetic . Therefore, it does not require a power supply during operation and is easy to install.
2. Technical Parameters
2.1 Sensitivity : 20 mv/ mm/ s, 28 mv/ mm/ s , 30 mv/ mm/ s, 50 mv/ mm/ s ( optional )
2.2 Frequency response : 10 ~ 10 00 Hz
2.3 Natural frequency: 10 Hz ( 10 ~ 10 00 Hz )
2.4 Measurement error: 10-100HZ error 3%
100 — 300HZ error 2%
300-1000HZ error 5%
2.4 Measurable amplitude: ≤2mm (P — P)
2.5 Maximum acceleration: 10g
2.6 Measurement direction: Vertical and horizontal *
2.7 Operating environment: Temperature -40 ℃ ~ 10 0 ℃ ( 200 ℃ special customization *) Relative humidity ≤90%
2.8 Overall dimensions: φ 3 0 × 78 mm ( including socket)
2.9 Weight : about 300g