$200 - $300

Part Number: 34L-438

WD-35811-72 Double-junction, Epoxy-body, Sealed Acorn All-in-One pH Electrode (Use with pH 5, pH 6, pH 510, Ion 510, pH 1100, pH 2100 meters) by Oakton

Built-in temperature sensor lets you take ATC readings with a single probe

Each All-in-One Acorn electrode features a built-in temperature sensor for taking readings with Automatic Temperature Compensation (ATC). Choose a single junction electrode for field, clean water, and general purpose applications. Choose a double junction electrode for most applications, including dirty water, heavy metals and organics applications.

Each electrode is 12 mm dia with a 3 ft cable.

• Includes a FREE electrode saver bottle to extend electrode life
• Feature a BNC connector for pH and a phono jack connector for temperature

Part Number: 58L-413

Part Number: 44L-433

Part Number: 44L-410

WD-35805-27 Gold Disk Sensor, Double-junction, Epoxy-body, Gel-filled ORP Electrode (Use with all OAKTON pH meters except pH Wand and pH/CON 10) by Oakton

Use with any meter with a BNC connector

Choose a single junction electrode for field, clean water, and general purpose applications. Choose a double junction electrode for most applications, including dirty water, heavy metals and organics applications.

All electrodes have a BNC connector, and are 12 mm dia with a 3 ft cable (except submersible electrode, which is 25 mm dia with a 10 ft cable). We offer many other pH and ORP electrodes for specialty applications.

• Each 12 mm electrode includes a FREE electrode saver bottle to extend electrode life
• Use ORP electrodes with meters that read mV to take REDOX readings

LabSen 753 Stainless Steel Spear pH Electrode for SX811-SS Portable pH Meter by Apera

The LabSen 753 Spear pH electrode adopts durable food-grade stainless steel sheath, solid electrolyte, and long-life reference system, making the probe hard to be contaminated and maintenance-free.

Ideal for professional solid/semi-solid's pH measuring such as meat, cheese, bread, fruit, etc.

This is a replacement electrode for Apera Instruments SX811-SS Portable pH Meter.

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

3331 Conductivity/Resistivity Controller with 2-Relays by Jenco

• Easy to install 1/8 DIN plastic casing.
• Clear LCD displays conductivity, resistivity or temperature with backlight.
• Universal power supply input from 100-240VAC.
• Automatic or manual temperature compensation.
• Two sets of programmable on/off relays for conductivity or resistivity (3321).
• Isolated and reversible 4-20mA current output for conductivity or resistivity allows it to be used as a proportional output (3331).
• RoHS compliant.

9531100 Pocket Pro ORP Tester by AquaPhoenix

Hach Pocket Pro and Pro+ deliver accurate results with built in diagnostics, replaceable batteries, and a large, easy-to-read LCD screen.

• Confidence in results
• Save time and money
• Ease of use

Includes: tester, 4 AAA batteries, lanyard and quick start guide.

*Please note we can only ship RKI products to customers within the United States