Measuring and controlling [Archive]

Ph calibration fluid PH 4 missing in proflux mega box (3 replies)
How to install optical level sensor (5 replies)
Will the redox probes fit a aquamedic nitrducter 400? (0 replies)
Temperature reading (2 replies)
Flow Sensor replacement or cleaning (2 replies)
Adding a second PH probe for my calcium reactor (1 replies)
New pH probe (5 replies)
Maxi 2.2 Doser providing negative and positive "doses" from AWC schedule (0 replies)
Top Off with RO and AWC with remineralized water. (4 replies)
fail to switch off leak control (2 replies)
Connecting a RS485 DO sensor (6 replies)
sensor in my skimmer cup (1 replies)
Charting energy use combined with data from probes is it possible? (1 replies)
Virtual Sensor for Flow meter? (4 replies)
PL-LY split cable and flow sensors (1 replies)
Using the level sensor to activate and disable powerbar slots (1 replies)
PAB communacation error (1 replies)
PLM-ADIN osmosis water reserve control (0 replies)
Leakage Interface (2 replies)
PLM-Ph-Redox-DigTemp - High mV Readings (2 replies)
GHL kh director with SA doser 2.1 and maxi SA 2.2 doser (1 replies)
Control of KH and pH simultaneously with KH director, Calcium Reactor and Kalkwasser (7 replies)
Big pH deviation in 2 weeks after calibration (4 replies)
Expansion Box 2 - Probes, Cards and Level Sensors not functioning as expected (4 replies)
HELP!! Profilux 3.1 down after power brake (2 replies)
pH Control upward/downward - Abnormal switching (1 replies)
New ProfiLux Mini/Light adapter for ATO/Autofeeder (2 replies)
PH Alarm Deviation (22 replies)
Conductivity tolerance issue? (1 replies)
ph probe cleaning (1 replies)
BNC extension cable (0 replies)
pH on GHL Proflux reading opposite of Milwaukee (7 replies)
Flow and level sensor compatibility (4 replies)
Programmable Logic PH (CO2/Air Pump) (2 replies)
pH Value assigned to L1 need 0-10v clarification (12 replies)
1-10 port max power output (3 replies)
Less secure app blocked (1 replies)
P4 froze (1 replies)
ph probe error code (1 replies)
Electrodes life span (2 replies)
Question re humidity sensor controlling 0-10v (0 replies)
Measurement history duration (1 replies)
solenoid valves experience ? (2 replies)
Ph Probe calibration? (1 replies)
Alarm / email based on programmable logic (3 replies)
level sensor malfunction (1 replies)
ATO and pump level secury (7 replies)
Deleting KHD Results (3 replies)
New starterkit (1 replies)
How to program ATO+Kalkreactor (7 replies)
Is anyone there? (1 replies)
2-sensor ATO Min-Max control: Do I need a Level Sensor Splitter cable? (1 replies)
Just got my Profilux 4 and need some help with a maintenance routine (2 replies)
My complete profilux setup: Water Change, ATO, Dosing, Temp, Humidity (1 replies)
S-ports (2 replies)
program level sensor to turn on doser (2 replies)
level sensor vtn-5 extension cable (1 replies)
Most float sensors work, some don't on Expansion Box expansion cards (1 replies)
ORP Probe control (7 replies)
P4 digital temperature probe suddenly shows 0.0 C (3 replies)
Flow sensor (4 replies)
Weight sensor measurement by ProFilux 3.1 (2 replies)
Splitter Cable YL2 for 1-10V output on Profilux 4 (2 replies)
Reset hours use (2 replies)
Cant find the Vortech controller in GHL Connect app (12 replies)
Null plug! (1 replies)
Failure of Salinity Measurement in Profilux 4 (3 replies)
Sensor Sample Rate (1 replies)
Conductivity probe to monitor salinity? (1 replies)
Ato (2 replies)
Function statements (1 replies)
Port Aux for temperature (2 replies)
APP calibration (3 replies)
Do I have a problem with level sensor or is it the controller? (4 replies)
ATO sensor alarm reset (1 replies)
Oxygen Saturation (5 replies)
Measurement Cell on Overflow (1 replies)
level sensors for auto water change and auto top off (1 replies)
Please advice on a small wave pump (1 replies)
Oxygen probe for a freshwater aquarium (1 replies)
CO2 system to be used with GHL Profilux (4 replies)
powerbar 6D PAB does not have power (1 replies)
P3 Temperature probe (2 replies)
Level sensor and alarm (3 replies)
hysteresis (1 replies)
Measurement Cell (3 replies)
Level sensor for skimmer cup (2 replies)
Probe placement? (1 replies)
Power bar 6D help please (8 replies)
Conductivity probe keeps drifting (1 replies)
Recommendation for new setup (2 replies)
Sump and Skimmer Control with float sensors (6 replies)
Unexpected behavior of redox reading (1 replies)
Heater? (3 replies)
Probes location (2 replies)
Controlling a D&D H2Ocean P4 PRO dosing pump (2 replies)
Redox and PH probe calibration error (0 replies)
Profilux 4 measurement data in excel guide/help wanted. (2 replies)
Salinity probe radical fluctuations. (3 replies)
Wi-Fi issue on P4 (5 replies)
My Temperature Sensor was fully submerged, is this an issue? (1 replies)
How to set time slot PH control - CO2 (2 replies)
Controlling a watson marlow peristaltic pump (1 replies)
16 illumination channels on profilux light (1 replies)
ATO/AWC Level Control Malfunction - Profilux 4 (10 replies)
New System PH probe issue (1 replies)
Switch channels not showing Amp reading (4 replies)
Issue with power loss and level sensor (15 replies)
Charts not showing latest measurements (4 replies)
Temp Probe reading off (4 replies)
ATO help? (9 replies)
Conductivity probe? (3 replies)
PH calibration issue (7 replies)
Digital thermometer vs graphs in GHL ConnectApp (5 replies)
Lowest temp for ProfiLux Expansion Box 2 (3 replies)
AWC triggered by sensor rather than (or in addition to) Timer (2 replies)
Basement Sump Setup (4 replies)
On Except When... (1 replies)
Any tube length limitations for testing, dosing, AWC/ATO, etc...? (3 replies)
Flow Senzor 9000 l/h (11 replies)
2nd power Bar connexion? (3 replies)
Mini WiFi controlling CO2 (3 replies)
PropellerControl low Votage (0 replies)
PH probe calibration weirdness (4 replies)
ATO setup with low RODI level sensor HELP pls! (4 replies)
Salinity control help (4 replies)
Float sensor issues please help (4 replies)
PLM pH/Redox - 2Level (6 replies)
Powerbar 6E and Heater Control (4 replies)
ION Director (6 replies)
Water Change with Filling First (2 replies)
Included Temperature Probe with ProfiLux 4e Reading 365.7 Degrees Fahrenheit. (8 replies)
PH prob (0 replies)
Baling+calcium reactor (0 replies)
L port (4 replies)
P4 Salinity Probe Control w Maxi Doser (1 replies)
Skimmer overflow (1 replies)
Setting Heater To Avoid Tank Fry (1 replies)
Redox calibration plug (4 replies)
leakage sensor (4 replies)
PH probe calibration (2 replies)
ATO & water change control fail safe timer questions. (0 replies)
Measuring Po4 (1 replies)
Leak sensor false positive (2 replies)
Ion Director Questions (1 replies)
Salinity Probe Drift (6 replies)
2nd Temp Sensor Drifting High (3 replies)
Which type of level sensor to use? (0 replies)
Operation mode controller (2 replies)
Fail safe level sensor for AWC and ATO? (1 replies)
Level sensor multi function capability? Also, Optical sensor clearance? (7 replies)
One heater - Two Temp Probes (7 replies)
Ion director questions (1 replies)
Max length for pH probe cable (2 replies)
long cord ATO control (2 replies)
Monitoring Salinity in 2 separate sumps (1 replies)
Sensor history data (3 replies)
Auto water change and ATO (3 replies)
ORP reading (3 replies)
Temperature not working (3 replies)
Calibrate redox (1 replies)
Flow sensor 9000L/H (3 replies)
Probe calibration question / request (1 replies)
Level sensor (2 replies)
Citric acid for cleaning (2 replies)
Water change automatic problem (3 replies)
Delay socket restarts after maintenance modes? (6 replies)
Salinity meter on Profilux 3 (1 replies)
Multiple ADIN in Expansion Box? (1 replies)
Sensor output (4 replies)
Feed mode with a socket on a timer. (6 replies)
Controlling the Maxi Doser based on pH Value (1 replies)
Temperature Reading Stuck (5 replies)
Automatic waterchange from waterline instead of prefilled container. (1 replies)
Skimmer Control (12 hrs pause) by Programmable Logic (2 replies)
Heating cooling device (1 replies)
Time for a aquarium computer (2 replies)
How do I wire this extractor fan to GHL BoB? (3 replies)
Low water alert? (4 replies)
Dynamic value show wrong dynamiv value (2 replies)
Skimmer cup level sensor & programmable logic (3 replies)
Power bars (1 replies)
Dosing pump controlling other devices (3 replies)
Control return pump by means of flow-sensors (0 replies)
Profilux Terra humidity sensor works inverted now? (0 replies)
STDL4-4 Powerbar (2 replies)
Temp probe readings (3 replies)
Digital input to generate alarm/Mail (3 replies)
RODI top-off controlling through 2 sensors min/max (1 replies)
PH Sensor Probe Help (6 replies)
Redox reading up to 1000mV (4 replies)
Controlling ventilation with Profilux 4? (7 replies)
Probes in covered sump (1 replies)
Battery backup return pump (0 replies)
Connecting the temp & humidity sensor (3 replies)
Operation Mode Controller Missing in Menu (1 replies)
S-L-port BOB (13 replies)
2 level sensors in my fresh water tank (1 replies)
Calibrate Salinity Conduct probe (4 replies)
myGHL cloud based power/connectivity monitoring (3 replies)
PAB far from the profilux (6 replies)
How to Calibrate Redox Probe - ProfiLux 3.1N (5 replies)
Switch logging on and off (5 replies)
leak sensor (4 replies)
PH Probe calibration (1 replies)
Has anyone else suffered similar issues with their analogue temp probe? (7 replies)
[Question] pH 2 disappeared from Profillux 4 (3 replies)
Temperature Reading 0.0ºc , *** or 40ºC on P4 (2 replies)
Probe question (3 replies)
how to calibrate Conduct probe? (1 replies)
Horizontal placement ORP probe (1 replies)
Redox probe (5 replies)
Powerbar 5.1 does not show actual current (3 replies)
Conductivity probe constant alarm despite functioning perfectly well! (0 replies)
Alarm : The mesured value has fallen bellow or exceeded the alarm threshold (3 replies)
Conductivity measurment 0 -> 5 mS (2 replies)
Ph calibration menu missing (10 replies)
Conductivity measurment 0 -> 5 μS (0 replies)
Plm-adin 10v line (3 replies)
Shutdown return to avoid tank overflow with 1 sensor HOW TO ? (3 replies)
Seasonal temp (4 replies)
Analog temperature probe and digital temperature probe in ExBox2, which one? (6 replies)
PH control for calcium reactor (5 replies)
Optical level sensor lifetime (3 replies)
Flow sensor fitting (2 replies)
Flow meter connection (1 replies)
Ph probe and redox probe calibration issue (3 replies)
Two settings configured for one device (1 replies)
Conduct sensor (11 replies)
Calcium measurement (2 replies)
User experiences - life span of optical level sensors? (0 replies)
Oxygen sensor help (0 replies)
Reset Level sensor (0 replies)
Ph probe reading (2 replies)
Profilux Touch display (1 replies)
Redox probe problems (5 replies)
Which level sensor numbering is correct? (3 replies)
Dynamic Value Feature (0 replies)
Extend the black cable, leaksensor (2 replies)
Conductivity Alarm Threshold (2 replies)
PH Sensor Calibration Fluids (4 replies)
Charts not up to date. (29 replies)
Calculation PSU and DENSITY(kg/l) do not match for (virtual)conductivity probe (2 replies)
Getting alarm: LevC. 1 (2 replies)
Temperature Reading 0 on P4 (2 replies)
GHL PL-Optolevel PL-0082’s schematic (5 replies)
Level Sensor (4 replies)
Power Bar electrical monitoring (11 replies)
Redox (13 replies)
PLM-ADIN voltage display percent unit (1 replies)