Dr. Bridge KHG, User Manual

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You must perform the 2 point calibration in the order of pH7 first and pH4 follows. You must complete all
calibration before proceeding to next installation step. 2 point calibrations must be performed every time
you attempt to recalibrate.
Please insert pH probe into pH4 solution of at least 1.5 cm deep.Press and hold number 1 and number
3 buttons simultaneously for 3 seconds until you hear a beep and release both buttons. Now the pH 4.0
calibration are complete.
Please insert the calibrated pH probe until the cap of pH probe is
level with the Red line. (Figure 5) Hand tighten the white knob to
secure pH probe in place. Over tighten the white knob could break
the glass sleeve of pH probe.
Please recheck and make sure all tubes are connected as instructed
above. Go to your browser and click on “SW Tube De-Gas” to purge
air from your tank water inlet tube. First attempt to draw tank water
and purge air, KHG may show NSWE error message (No Salt Water
Entering). To cancel the error message, you should press and hold
the number 4 button until you hear a beep and release button.
Please click on the “SW Tube De-Gas” for as many times as out of
the inlet tube.
Please click on the “KS De-Gas” on your browser
to purge air from your KHG reagent solution tube.
Please look into the observation hole (Figure 6) until
you see reagent solution is dropping at the rate of
one drop per 3 seconds. Please let reagent solution
to drop at least 10 times before cancelling the air
purging by clicking on the “RESET” in your browser
screen, or press and hold number 4 button for 3
seconds to stop the purging procedure. If KHG shows
“KS_ERR”, there may be blockage in the tube and
KHG will force into areboot. At the same time please check if the tube is free from blockage and make sure
there are reagent solution in the storage bottle.
Next please key in your last known dKH value into the “Last KH (dKH)” under the “System Setup”. Please
also make sure the number you entered is not 1.5 dKH away from your desired alkalinity target level (“KH
Auto Correction”). Next click on “SAVE” to save your settings and KHG will enter a forced reboot.
After a successful reboot of KHG, the LCD display will show STANDBY. Please enter KHG main control
page in your browser, and click on “GET dKH”. KHG will perform a full test. After the test has been done,
KHG will return back to standby mode.
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(Figure 6)
(Figure 5)
User Manual
required until tank water are flowing
Observation hole