Lab Grade ORP Probe is a quality probes for Neptune Systems AquaController Apex systems and tend to last longer, give more accurate results, stay calibrated longer, and need replaced less frequently
Start monitoring ORP, replace your ORP probe or add one for another tank
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Neptune Systems Apex ORP Probe features ±1 mV accuracy with 10ft coax cable, platinum band electrode and Standard BNC Connector. ORP probe available in longer lasting Lab Grade ORP Probe (PRBORP) that boasts more accurate results plus less frequent calibration and replacement.
The AquaController Apex system uses various probes to monitor your system. The measurements from these probes can be used to control your system and alert you of problems through email alerts or audible alarms.
ORP Probe Setup
The Apex Base Module has a port that can be used to measure ORP, the Apex Lite Base Module does not include an ORP port. The port on Probe Module 1 can be configured to read ORP or pH. The ORP port on the Apex Base Module can be reconfigured as a second pH port if needed. Setup and configuration of the ORP ports and calibration of the connected probes is the same for all probes on the system. The Base Module ORP probe will be identified as "ORP", the ORP probe on the PX1000 Probe Expansion as "ORPA", "ORPB" and so on, and probes on Apex Probe Module 1 (PM1) as "ORPx3", "ORPx4" and so on.
The ORP probe is connected to the port labeled "pH/ORP" on the Apex Base Module and Probe Module 1. Push the BNC female connector on to the male connector and turn ¼ turn clockwise to lock the connector place. To remove the probe, turn 1/4 turn counterclockwise and gently pull the connector straight off the base module. All new probes should be rinsed in clean tap water before placing in the aquarium. Place the ORP probe in an area with high flow that is continuously wet (not an overflow that may drain dry, for example). Maintain a drip loop in the wire back to the Apex Base or Probe Module.
NOTE: New ORP probes typically read low and require a break-in period. It may take as long as a week to break-in the ORP probe. During this break-in period, control functions based upon ORP are not recommended.
WARNING: Neptune Systems do not recommend fully submerging the ORP probe as this will cause the probe to fail prematurely.
ORP Probe Calibration
ORP probes do not need to be calibrated to operate properly - they should operate normally for the life of the probe without calibration. Special calibration solution must be made from standard pH 4.0 and 7.0 calibration solution by dissolving Quinhydrone powder in the solutions. Simply dissolve Quinhydrone powder into the 4. 0 and 7.0 solutions until the powder no longer dissolve. Adding too much powder does not harm anything, it just wastes the powder.
To calibrate an ORP probe:
ORP Probe Maintenance
The period between cleanings is up to the user but typically, every 1-3 months is normal. To clean the probe, gently brush the sides and tip of the probe with a soft brush to remove any debris. Rinse the probe in tap water. Soaking the probe in acid (vinegar) or alkali (borax) solution to remove mineral deposits is not typically needed but can be used to try and bring back an old probe that has stopped working.