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Home » Saltwater Aquarium Supplies  » Testing Equipment  » Replacement Probes  » pH  » Neptune Systems pH Probe
Neptune Systems pH Probe

Neptune Systems pH Probe

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Neptune Systems was founded in 1995 for the purpose of developing affordable water quality monitoring and control instrumentation. Our engineering team has extensive expertise in computer hardware and software system design as well as a background in water quality analysis. With these engineering skills we develope innovative monitoring and control solutions for use in reef and fresh water aquariums, aquaculture tanks, hydroponics systems and general laboratory use.

Product Line Comparison


Neptune Systems Standard Grade pH Probe Neptune Systems Lab Grade pH Probe Neptune Systems Standard Grade ORP Probe Neptune Systems Lab Grade ORP Probe
Product Neptune Systems Standard Grade pH Probe Neptune Systems Lab Grade pH Probe Neptune Systems Standard Grade ORP Probe Neptune Systems Lab Grade ORP Probe
List Price $53.99 $82.99 $65.99 $94.99
Our Price $44.99 $68.99 $54.99 $78.99
Rating Write a review Write a review
Item Code NS5111 NS5113 NS5131 NS5133
Description Precision of +/- .01 10` coax cable Sealed Ag/AgCI reference. Standard BNC connector Precision of +/- .01 10` coax cable Sealed Ag/AgCI reference. Standard BNC connector 10` coax cable Platinum band electrode. Standard BNC connector Lab grade ORP probe with precision of 1 MV 10` coax cable Platinum band electrode. Standard BNC connector


Neptune Systems Temperature Probe - Standard Neptune Systems Temperature Probe - used for AquaController Pro Only Neptune Systems Temperature Probe For AquaController Jr, AquaController 3 and PX1000 ONLY Neptune Lab Grade Conductivity Probe
Product Neptune Systems Temperature Probe - Standard Neptune Systems Temperature Probe - used for AquaController Pro Only Neptune Systems Temperature Probe For AquaController Jr, AquaController 3 and PX1000 ONLY Neptune Lab Grade Conductivity Probe
List Price $53.99 $70.99 $43.99 $143.99
Our Price $44.99 $59.99 $29.99 $139.99
Rating Write a review
Item Code NS5151 NS5153 NS5155 NS5191
Description Precision of +/- 0.1F 6` cable. High quality probe w/ 6` cable Encapsulated thermistor 2.5mm Phono Jack Connector Note: Neptune... Precision of +/- 0.1F 6` cable. High quality probe w/ 6` cable Encapsulated thermistor 2.5mm Phono Jack Connector Temperature probe for Neptune Systems: ACJr, AC3 and PX1000 Only Dual Range 0 to 999 us/cm or 0 to 99.9 ms/cm Lab quality probe w/10` cable Minidin 4 Connector


Neptune Oxygen Probe with 10 foot Cable Neptune Systems I/O Break Out Box for Aquacontroller 3 / 3 Pro Neptune Systems pH / ORP / Temperature Probe Expansion Box American Marine Pinpoint pH Calibration Fluid #4
Product Neptune Oxygen Probe with 10 foot Cable Neptune Systems I/O Break Out Box for Aquacontroller 3 / 3 Pro Neptune Systems pH / ORP / Temperature Probe Expansion Box American Marine Pinpoint pH Calibration Fluid #4
List Price $587.99 $47.99 $215.99 $2.95
Our Price $499.99 $39.99 $174.99 $1.49
Rating Write a review Write a review
Item Code NS5171 NS5413 NS5415 AM1413
Description Oxyguard Dissolved Oxygen Probe 0 to 19.9 ppm Lab quality probe w/ 10ft cable Temperature, Altitude, and Salinity Compensation Mini... Easily add float switches, water on the floor sensors, etc. to the AquaController 3 or AquaController 3 Pro. Simply plug the Breakout box`s minidin 8... The probe expansion box allows additional probes to be added to the AquaController 3 or the AquaController 3 Pro. The PX 1000 features are: ... American Marine PINPOINT High-Precision pH Calibration Fluids pH 4.000 +/- 0.002 These come in single-use plastic envelope packets, and they are...


American Marine Pinpoint pH Calibration Fluid #7 American Marine Pinpoint pH Calibration Fluid #10 pH 4.0 Buffer/Calibration Solution 500 ml pH 7.0 Buffer/Calibration Solution 500 ml
Product American Marine Pinpoint pH Calibration Fluid #7 American Marine Pinpoint pH Calibration Fluid #10 pH 4.0 Buffer/Calibration Solution 500 ml pH 7.0 Buffer/Calibration Solution 500 ml
List Price $1.95 $1.95 $14.95 $14.95
Our Price $1.49 $1.49 $11.99 $12.99
Rating Write a review Write a review
Item Code AM1415 AM1417 CP2133 CP2135
Description American Marine PINPOINT High-Precision pH Calibration Fluids 7.000 +/- 0.002 These come in single-use plastic envelope packets, and they are... American Marine PINPOINT High-Precision pH Calibration Fluids 10.000 +/- 0.002 These come in single-use plastic envelope packets, and they are... Calibration solution for pH monitors or controllers. pH 4.0. 500mL. Calibration solution for pH monitors or controllers. pH 7.0. 500mL.


pH 10.0 Buffer/Calibration Solution 500 ml Neptune Conductivity Calibration - 447 ms Neptune Conductivity Calibration - 53.0 ms Oxyguard DO Calibration Adapter
Product pH 10.0 Buffer/Calibration Solution 500 ml Neptune Conductivity Calibration - 447 ms Neptune Conductivity Calibration - 53.0 ms Oxyguard DO Calibration Adapter
List Price $14.95 $3.59 $3.59 $35.99
Our Price $11.99 $3.29 $3.29 $29.99
Rating Write a review Write a review Write a review
Item Code CP2137 NS5391 NS5393 YNS5371
Description Calibration solution for pH monitors or controllers. pH 10.0. 500mL. 445 uS—for Pro version use only. 53.0 mS—for Pro version use only. Oxyguard DO Calibration Adapter—for Pro version use only


Oxyguard Calibration Kit Aqua Logic 1/2 inch Diameter Sensor Probe Holder w/ Suction Cup (1 piece only) 3M Reclosable Attachment Marine Dual Lock
Product Oxyguard Calibration Kit Aqua Logic 1/2 inch Diameter Sensor Probe Holder w/ Suction Cup (1 piece only) 3M Reclosable Attachment Marine Dual Lock
List Price N/A $4.34 $10.99
Our Price $44.99 $2.99 $10.99
Rating Write a review
Item Code YNS5373 AL3111 LQ1111
Description Calibration kit for Neptune AquaController Dissolved Oxygen Probe. Replacement 1/2" Diameter Probe Holder with Suction Cup Marine Reclosable Hook & Loop Attachment System Continuous plastic strips with mushroom shaped stems lock together to provide an easy to use...

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March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
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March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
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March 01, 2010
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