HB Products HBMD-PH, Instruction Manual, Page: 5 / 6

HBMD-manual – -EN-01 5 / 6
Installation Instructions
1) The display can be mounted on walls and similar if protection class IP65 is respected
2) If EMC from other sources of noise is greater than described in EN 6100-6-2, an insulated cable
must be used.
Setup
Level sensor display
When used as level sensor display there is no need for setup. The only possibility is changing the sensor to
pH mode
Setup
pH sensor display
When used as pH sensor there is an opportunity to calibrate the sensor using the HB-tool.
How to calibrate the pH-sensor and typing it into the display box HBMD-PH
1. Connect the pH sensor to the display box according to the electrical connection drawing instead of
a multi meter
2. Connect a 24V power supply according to the electrical connection drawing
3. Put the pH sensor into the low pH buffer solution. Type in the pH value and click “ calibration low
pH value ”
4. Put the pH sensor into the high pH buffer solution. Type in the pH value and click “ calibration high
pH value ”