Cảm biến đo gia tốc, tốc độ Emerson, Safety Rated Sensor EMERSON PR9270V-EX
Dynamic Performance
Sensitivity (±10%) 3937 mV/m/s (100 mV/in/s)
Measurement Range ±1.27 m/s (±50 in/s)
Frequency Range (±3 dB) 3 to 9000 Hz (180 to 540,000 cpm)
Resonant Frequency 30 kHz Typical
Amplitude Linearity ±1% (0 Based, Least Squares, Straight Line)
Transverse Sensitivity ≤5%
Environmental
Shock Limit 5,000 g pk (49,050 m/s2)
Temperature Range -54 to 121°C (-65 to 250°F)
Sealing IP68 / Welded Hermetic
Agency Ratings CE
Class I, Div. 1 (Groups A, B, C, D)
II 1 G Ex ia IIC T4 Ga (-54°C ≤ Ta ≤ 121°C)
Ex ia IIC T4 Ga (-54°C ≤ Ta ≤ 121°C)
Ex nA IIC T4 Gc (-54°C ≤ Ta ≤ 121°C)
Electrical
Settling Time ≤30 sec (within 1% of bias)
Excitation Voltage / Current 18 to 28 VDC / 2 to 10 mA
Output Impedance <100 ohms
Output Bias 8 to 12 VDC
Broadband Resolution (<10 kHz) 450 μin/s (11.4 μm/s) Electrical Noise
Case Isolation >108 ohms