
HydrINS 2 / HydrINS 2 Mini Flow Meter
Installation Manual
4.1.3 Step 3/3: Insertion of the probe ......................................................................................... 26
4.2 Method for installation at 1/8 .......................................................................................... 27
4.3 Aligning the guide bar with the direction of flow............................................................... 28
5INSTALLING THE PRESSURE CHANNEL ON A DATA LOGGER ....................................... 29
6PROCESSING OF DATA MEASURED BY DISPLAY OR RECORDING ................................ 29
7INSTALLATION OF A DISPLAY A OR A DISPLAY C ........................................................ 31
7.1 Overview of Displays A and C............................................................................................ 31
7.2 Wall mounting of Display A or Display C............................................................................ 33
7.3 Mode change of the HydrINS 2 and HydrINS 2 Mini probes................................................ 34
7.3.1 Equipment........................................................................................................................... 34
7.3.2 Removal............................................................................................................................... 34
7.3.3 Mode change....................................................................................................................... 36
7.4 Electrical power supply of Display A.................................................................................. 36
7.4.1 Internal power supply using 3.6 VDC lithium batteries ...................................................... 37
7.4.2 External power supply using 3.6 VDC lithium batteries...................................................... 38
7.4.3 Internal power supply using alkaline batteries................................................................... 39
7.4.4 External 9 to 28 VDC power supply connected to the internal terminals. ......................... 39
7.4.5 External power supply by military connector ..................................................................... 40
7.5 Electrical power supply of Display C .................................................................................. 40
7.6 Wiring of the entities of the measurement chain............................................................... 42
7.7 Internal wiring ................................................................................................................. 45
7.7.1 Connections of the flow meter pulse output to the Display terminal block ...................... 45
7.7.2 Pulse output connections to the Display terminal block .................................................... 46
7.7.3 Wiring the 4-20 mA outputs to the terminal block of Display C ......................................... 47
7.8 Protecting the displays from lightning and surges.............................................................. 48