The IM-551 instruments have been designed especially to measure the EGT in Rotax® engines 912.
The IM-551 is available in 57 mm diameter
Can be connected four probes. First shows the temperature of one. After of 3 seconds automatically show the other probe temperature, The four LEDs are used to show that probe is reading.
The instruments use a pointer thats turns 240º, witch gives them great resolution.
Their display areas are divided into red, green and yellow zones in line with the ROTAX limits.
Thanks to embedded operational amplifiers, this
instrument has a high accuracy, but needs a power
supply of 12V or 24V.