Cole-Parmer Insertion/Submersion ORP Probe; DJ/CPVC/None; None/BNC

Manufacturer: Hydrofarm, Inc. Brand: Oakton Model: OK35423-00

OAKTON's new EcoTestr is economical and easy to use. With its crystal clear, ergonomically designed display, you can easily view measurements at a glance. Each rugged tester has waterproof and dustproof housing for use in dirty and damp field conditions. Simply dip and read-the orientation of the display means there's no need to turn your head or tilt the tester. Single-junction electrode is well-suited for general purpose applications. Recessed bulb with bulb guard protects against breakage. One point calibration with auto-buffer recognition for quick calibrations. Hold function locks in measured value. Auto-off function preserves batteries.

Manufacturer: Sper Scientific Brand: Sper Scientific Model: 850059P

Sper Scientific 850059 pH Probe with ATC Replacement designed for use with low ionic water.

Manufacturer: HACH Brand: Hach Company

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

Manufacturer: Sper Scientific Brand: Sper Scientific Model: 850053

For ORP (Oxygen Reduction Potential) measurement in water treatment, disinfection and labs. Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Features auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in probe with protective cap. Dimensions: 6½" × 1½" × 1½" (165 × 38 × 38 mm). Weight: 2 oz (57 g).

Manufacturer: Shanghai Sanxin Instrumentation, Inc Brand: Apera Instruments, LLC Model: AI1203

The Apera Instruments PH60F-E Probe is the replacement probe for Apera PH60 Series Premium pocket pH testers, including PH60F, PH60 and PH60S. It is also compatible with PC60. This probe features a flat glass membrane sensor with a built-in thermister, triple-junction structure, and maintenance-free gel KCl electrolyte, made for surface pH testing such as skin, fabrics, paper, leather, carpet, and micro-volume solution samples. It also works well for regular water solution testing.

Manufacturer: XZB Brand: XZB

• Measuring Range: 0.00~14.00pH • Measurement Stability: ±0.1pH • Solution Temperature Compensation Range: 0°C~60°C • Instrument Repeatability: 0.1pH • The Measured Solution Temperature: 5°C~60°C • Operating Environment: 0°C~35°C / 0~80%RH PACKING INFORMATION Power: 9V battery (not included) Product Net Weight: 180g Product Size: 159*66*33mm Packing Style: Gift Box Q'ty Per Carton: 40pcs GW Per Carton: 12.5kg Standard Carton Size: 52.5*40*49cm

Manufacturer: AMERICAN MARINE INC Brand: American Marine

PINPOINT pH Replacement Probe is designed especially with your purpose in mind. It features long, continuous duty expectancy, fast response and, most importantly, is non-toxic to your system. Each probe features a 10 foot cable with a high interference suppression jacket and Ag-AgCl reference. American Marine PINPOINT pH Replacement Probe 10 foot cord Ag-Ag/Cl reference Extended life High supression cable jacket

Manufacturer: Hanna Instruments Brand: Hanna Instruments

The Hanna Instruments HI 981402-02 is a water-resistant meter for continuous measurement of pH in water treatment applications with manual two-point calibration, a single-line LCD screen, a combination plastic body pH electrode with double junction, and an outer casing with molded eye to hang the meter. A pH meter is commonly used to measure the pH of substances such as water, food, beer, or wine in lab, industrial and food applications. The single line LCD screen of this meter shows the current measurement and has an LED alarm that flashes red when the reading differs from the selected setpoint by more than + or - 0.5 pH. The alarm setpoint range is adjustable from 3 to 11 pH. Front trimmers allow manual calibration at two points. Electrical circuitry is sealed inside the water-resistant housing. The meter has a flat back to prevent rolling when placed on a table and can be wall mounted using the molded eye. The meter is supplied with the HI 1286 double-junction, plastic-body, gel-filled combination pH elect...

Manufacturer: American Marine Pinpoint Monitors Brand: American Marine

American Marine is proud to introduce the PINPOINTTM Nitrate Monitor. The only truly affordable and accurate digital Nitrate measurement instrument engineered for marine saltwater. The PINPOINTTM Nitrate Monitor has been designed as a precision spot-testing instrument. There are 2 independent measurement ranges: Low Range is 1-10 ppm nitrate and High Range is 10-100 ppm nitrate. Resolution is 1 ppm in either scale. Accuracy is 1 ppm after calibration. The PINPOINT Nitrate Monitor is sold complete with meter, probe and all calibration fluids (9 volt battery not included). *Please Note: For use with saltwater only.