1 to 20 of  220 products for monitors

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American Marine Pinpoint pH Monitor

Protect your investment with American Marine Pinpoint Controllers & MonitorsUsing the most current technology and design, American Marine controllers and monitors have become the most respected line of digital instruments in the aquarium and aquaculture business. American Marine was the first to introduce a 2-Year manufacturer`s warranty on each and every PinPoint controller and monitor.

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$99.99 See It
HI1293D - - Spare pH Electrode for pH Monitors by Hanna Instruments

Spare pH Electrode for HI 991401, HI 991404 and HI 991405 pH Monitors.

Kats Scientific
$88.99 See It
Herp Care Savannah Monitors

Tfh Nylabone STFCH806 Herp Care Savannah MonitorsTfh Nylabone Herp Care Savannah MonitorsThrough science and research our unique and patented products have been tested in the field to ensure the highest of qualityTFH works with veterinarians recognized trainers breeders and acclaimed authors

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Hammys Pet Shop
$7.94 See It
WLC530CAST Cooling Tower Control,PH Level Monitor

$50+ Orders Ship Free

Cooling Tower Control, PH Level Monitor, Switch Type Electronic, Enclosure Type Polycarbonate, Gray,ORP and PH Sensors Included, Input Voltage 110VAC

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$3,065.03 See It
BA-TDS-38 Tier1 Inline TDS Monitor -19%

Free Shipping on Orders Over $39!

Designed to fit onto any 3/8 inch water line, the BA-TDS-38 Tier1 inline Total Dissolved Solids (TDS) monitor provides you with visual alerts sharing when your reverse osmosis membrane is no longer performing effectively. Accurate to within two percent and sensitive to one part per million. Light-weight, compact and easy to install, the BA-TDS-38 is an affordable add-on component that helps ensure you continue to drink only the cleanest possible water in your home. Order the BA-TDS-38 Tier1 Inline TDS monitor from us by 4pm CST today for same day shipping.

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$33.34 $26.99 See It
ZML Food Tegu/Monitor 6 oz

The first commercially available food developed for large carnivorous lizards. Tegu and Monitor Food is made with real chicken and soybeans to provide the high protein levels that carnivorous reptiles need.

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$3.99 See It
BA-TDS-14 Tier1 Inline TDS Monitor

The RO System Inline Digital TDS monitor is a precision testing tool for your reverse osmosis system, complete with a flashing green and red light for the removal rate indicator. The monitor is sensitive to 1 part per million (PPM), and accurate within 2 percent. It can be powered with electricity, or with a two-battery back-up system. The monitor is light-weight and compact, for added convenience in installation with your RO unit.. Compatible with the following: BA-TDS-14 COMP-BA-TDS-14

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WaterFilters.NET LLC
$26.99 See It
Humidity Monitor -2%

The BestAir Humidity Monitor HG050 measures indoor air humidity and indicates the optimal comfort range. The monitor requires no batteries.

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$9.99 $9.78 See It
Zoo Menu Canned Tegu & Monitor Food: 6 oz

Zoo Med Zoo Med Zoo Menu Canned Tegu & Monitor Food: 6 oz #ZM70 Zoo Med Canned Tegu & Monitor Lizard Food is the first commercially developed food for large carnivorous (i.e. meat eating) lizards. Has a chicken/soybean base which provides the higher protein levels necessary for these types of lizards. First commercially developed food for large carnivorous lizards Chicken/soybean base provides the higher protein levels  Can also be fed as a treat to box turtles and omnivorous lizards - Monitor & Tegu Food

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$2.15 See It
Replacement Lens Covers for Pet-Temp Ear Thermometer

Replacement lens covers for the Pet-Temp Ear Thermometer LC-40 for model PT-250.

KV Supply
$12.95 See It
American Marine Pinpoint pH Monitor Package

American Marine PINPOINT pH MonitorThe PINPOINT pH Monitor™ is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH monitor with .01 resolution. The PINPOINT pH Monitor™ requires only a 9-volt battery and is sold complete with probe and calibration fluids. The electrode is also available separately and fits any meter or monitor. Comes complete with meter, probe and all calibration fluids.

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$113.99 See It
American Marine Pinpoint Oxygen Monitor

American Marine PINPOINT II Oxygen MonitorPINPOINT II Oxygen Monitor™ will quickly and accurately display a digital readout for dissolved oxygen in either % oxygen or ppm saturation.  The measurement range is 00.0-20.0 ppm.  The probe is a high performance polarographic type, which uses pre-loaded silicon membrane caps and electrolyte fluid.  This is the #1 preferred oxygen monitor in the aquaculture industry.

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$273.49 See It
American Marine Pinpoint Nitrate Monitor

American Marine is proud to introduce the PINPOINT™ Nitrate Monitor. The only truly affordable and accurate digital Nitrate measurement instrument engineered for marine saltwater. The PINPOINT™ 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.

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$249.99 See It
American Marine Pinpoint ORP Monitor

American Marine PINPOINT ORP MonitorPINPOINT ORP Monitor™ will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial oxidation agent in fresh or saltwater. Constant monitoring of the ORP is useful in keeping tabs on the overall health of a system, as a drop in ORP often precedes visual or other indications of trouble.

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$119.99 See It

Price Match Guarantee & Free Shipping $99+

LEONHARD LANG SKINTACT MONITORING ECG ELECTRODES, 35 x 50mm (FS-521) Offers total versatility at affordable prices. The C-LINE technology ensures that every electrode will be fresh providing exceptional consistency in quality of recordings at very affordable prices. 35 x 50mm Monitoring ECG Electrode, Solid Gel, Foam, Oval, 1500/bx

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Claflin Medical Equipment
$250.00 See It
American Marine Pinpoint II Calcium Monitor

The PINPOINT II Calcium Monitor™ is the only truly affordable and accurate digital Calcium measurement instrument. Powered by a 9-volt battery (not included) or the Pinpoint AC Adapter Kit (not included). The PINPOINT II Calcium Monitor™ will operate for approximately 150 total hours before battery replacement is visually indicated on the display. A 9-volt battery should be utilized for occasional readings. For continuous 24 hour monitoring, the PINPOINT™ AC Adapter Kit is recommended.

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$249.99 See It
EPool Wireless Water Chemistry Monitoring System

Take the guess work out of maintaing your pool water. This revolutionary, patented water chemistry monitoring system does away with the testing, guessing and calculating involved in balancing your pools chemicals. The sensor floats freely in your pool wirelessly transmitting pH, chlorine and temperature data 24/7 to your computer through a receiver connected via USB. Daily monitoring eliminates unhealthy spikes and dips in pool chemicals that commonly occur with weekly servicing. If your pool water needs attention, you will be notified on your computer. Just follow the simple treatment steps to keep your pool healthy and balanced. ePool is personalized to your pool or spa through the easy set up process. You even designate your preferred type of chlorinator. Easy to read graphic displays alerts you when pool water is not properly balanced and provides the dosage of chemicals need for your pool. System works with regular, salt water and mineral ion pools and spas. Sensor requires (4) AA batteries (not included). IMPORTANT: DO NOT Return product to store: For technical assistance and missing parts, call Customer Service toll-free 1.888.339.2546 (press 135 at any time). 90 Day Warranty.

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Electric Motor Warehouse
$191.95 See It
HI991404-01 - - pH/EC/TDS/Temperature Monitor by Hanna Instruments

This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse and horticultural applications.

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Kats Scientific
$183.99 See It
American Marine Pinpoint pH Probe

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.

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$35.99 See It
American Marine Pinpoint pH Controller

American Marines PINPOINT pH ControllerPINPOINT pH Controller™ is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or magnetic solenoid for the addition of CO2 into an aquaculture or process system. This full feature controller will handle up to 5 amps. Comes complete with probe and calibration fluids.

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$199.99 See It