Hose test kit with 5 feet of flexible hose, 0.156 inch (4mm) tube to 1/4NPT female & hand-tight quick connector.
For Additel ADT878 dry block calibrator.
Power & relay, analog input/output, 8 pins MinDin, stripped ends, 3 or 12ft long.
Communication cable with RS-232 or RS-485 interface.