Q1: What is the measurement range of Bently Nevada 990-10-XX-01-00?
A: The 990-10-XX-01-00 has a full-scale measurement range of 0–10 mils pp (0–250 μm pp), making it suitable for monitoring machines with higher vibration amplitudes. The "10" in the model code indicates this range.
Q2: What does MOD 163930-01 mean for the 990-10-XX-01-00?
A: MOD 163930-01 is a modification number indicating this is a modified large-range variant of the standard 990 series. It confirms the transmitter is calibrated for the 0–10 mils pp range with specific internal component adjustments.
Q3: Does 990-10-XX-01-00 require external power?
A: Yes, but only loop power. This Bently Nevada 990 transmitter is a 2-wire loop-powered device requiring +12 to +35 VDC from the receiving system (PLC/DCS analog input card). No separate power supply is needed.