Tillquist LQT40M-20201.

With high precision frequency test certificate. 

Fast multi-transducer for electrical quantities with Modbus TCP.
Designed for fast control loops with high accuracy. An example application is control of synchronous generator excitation.

LQT40M is an excellent transducer for measuring and logging Fast Frequency Reserve (FFR) with accuracies less than ±10 mHz standard, (±5 mHz option).

Features:

• Fast responce time < 20 ms
• Wide current range 0 - 12 A
• Wide voltage range 0 - 300 V (L-N)
• Supply voltage: Power supply 24 – 230 VDC / 90 – 230 V AC ±10%
• High accuracy, class 0.2
• True RMS
• Communication: Modbus TCP
• Wide only 70 mm