$150 - $200

WD-35634-66 pHTestr® 5 Waterproof Pocket Tester with pH Buffer Pouches by Oakton

These pocket-sized testers have a replaceable single-junction sensor which can be easily switched out, allowing you to save money by using the tester body over and over again. A large LCD makes viewing measurements easy and features a three-color backlight indicating operational mode - blue for measurement, green for calibration and red for alarm condition.

Additional features include hold function to lock in measurements, self-diagnostic error message, and status icons for measurement stability and low battery voltage. The IP67-rated housing features an easy-to-grip design and floats if accidentally dropped in water when sensor cap is on. Powered by four AAA batteries, the testers can operate up to 400 hours continuously. To conserve power, the unit will auto power-off after 8 minutes of nonuse.

Buffers are traceable and offer ±0.01 accuracy at 77°F (25°C).

Key Features

• Large easy-to-read LCD features three-color backlight
• Simple to calibrate with automatic standard recognition
• Rugged IP67-rated housing is waterproof, dustproof, and floats in water with sensor cap on
• Leakproof cap with fill line functions as a sample/calibration and hydrating cup
• Secure - attach a lanyard to prevent losing or dropping in the field
• Auto shutoff extends battery life
• Bundled kit for convenience and savings!
• Economical pH buffer pouches are accurate and convenient

Includes

Pack of 20 assorted (4, 7, and 10) buffer pouches, plastic storage case, lanyard, and four AAA batteries.

S200CIT pH Sensor, 12mm, Polymer, Calomel Free by Sensorex

Calomel Free pH electrodes!

The performance of a Calomel electrode is now available without the hazardous Mercury associated with the design. The "Calomel Free" design features an Ag/AgCl based double junction reference with a unique silver ion trap acting as a third junction to impede any silver ion contact with the sample. Reference output is adjusted to deliver the same output as a Calomel electrode using a silver chloride reference.

Glass or Plastic Body Electrodes!

Traditionally, pH electrodes have been made of all glass construction. However, today's thermoplastics are able to construct pH electrodes with durable and chemically resistant bodies to reduce any breakage. The protected design of the plastic body electrode extends over the measuring surface, making the pH glass bulb virtually unbreakable.

Sealed vs. Refillable Reference!

Both sealed and refillable styles are available. Sealed references are gel-filled and maintenance free while refillable designs extend electrode life by having a refillable reference electrolyte.

Features:

• Fast Response...No Silver Ion Contamination
• Use in Place of Calomel pH and Reference Electrodes
• Combination Triple Junction Design
• Uses No Hazardous Calomel Based Material (MERCURYFREE!)/RoHS compliant
• Sealed and Refillable Models
• Glass and Epoxy Body Models

PP1060-K Potassium Persulfate, ACS, 500gm by AquaPhoenix

• CAS No. 7727-21-1
• K2S208 FW=270.33
• Potassium Persulfate/UN1492

Specifications

• Grade: ACS
• Packaging Type: Glass
• Size: 500 gram

K-1510D Ammonia Test Kit: CHEMetrics, 0-30 & 30-300 ppm by AquaPhoenix

Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The resulting precipitate interferes with color comparison. The refill has a 5-month shelf life when stored in the dark and at room temperature. This shelf life can be extended by 18 months if the refill is refrigerated.

SPOTKIT Sample Pot by Bluelab

Perfect for reservoirs located more than 2 meters / 3.3 feet from your controller unit.

Place probes directly into the chamber for direct measurement of nutrient solution. Fittings include

AB-8025-TS 25 mL, Autoburet with Teflon Stopcock by AquaPhoenix

• 25 mL buret. Includes 500 mL poly bottle.

S200RIT Reference, 12mm, Polymer, Calomel Free by Sensorex

Calomel Free pH electrodes!

The performance of a Calomel electrode is now available without the hazardous Mercury associated with the design. The "Calomel Free" design features an Ag/AgCl based double junction reference with a unique silver ion trap acting as a third junction to impede any silver ion contact with the sample. Reference output is adjusted to deliver the same output as a Calomel electrode using a silver chloride reference.

Glass or Plastic Body Electrodes!

Traditionally, pH electrodes have been made of all glass construction. However, today's thermoplastics are able to construct pH electrodes with durable and chemically resistant bodies to reduce any breakage. The protected design of the plastic body electrode extends over the measuring surface, making the pH glass bulb virtually unbreakable.

Sealed vs. Refillable Reference!

Both sealed and refillable styles are available. Sealed references are gel-filled and maintenance free while refillable designs extend electrode life by having a refillable reference electrolyte.

Features:

• Fast Response...No Silver Ion Contamination
• Use in Place of Calomel pH and Reference Electrodes
• Combination Triple Junction Design
• Uses No Hazardous Calomel Based Material (MERCURYFREE!)/RoHS compliant
• Sealed and Refillable Models
• Glass and Epoxy Body Models

S223C-ORP ORP Sensor, Pt, 12mm, Polymer, S7 DIN Cap by Sensorex

This series of electrodes is designed to provide an economical multi-purpose solution for in-line or submersion ORP measurements. Based on our proven S500C-ORP polished tip or S550C-ORP extended tip or S350CD-ORP flat surface technology, these rugged and durable electrodes are available in Ryton nipples with 1/2" or 3/4" NPT threads; or in our durable epoxy body with or without quick disconnect top caps. Choose from single or double junction designs, flat or recessed measuring surfaces, and cable lengths and connectors as required.

• Economical design for in-line or submersion use
• Choose from single or double junction models
• Threaded 1/2" or 3/4" NPT connections
• High purity platinum measuring surfaces
• Special models for low ionic and other specialty applications available

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