Flow meter, pressure sensor and wireless transmitter

Oleumtech WT-0900-MX1 IO MAX® Wireless Transmitter
Wika E-10 Pressure Transmitter 0-5000 psi (Code: E-10-K-PBS-ND-LG2X#7-ZZ)
Model TF-102 Ultrasonic Flow meter

These units were installed and working properly until decommissioned 1.5 years ago. It was the wrong technology for our application.