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Monoxide Diosimeter Gas Detector Tube (10 Per Box) 1DL

Gastec 1DL Features: -UNSPC CODE: 41104100. -Sampling Tubes & Pumps Sampling Tubes Pumps monitors calibration equipment tube pump.-TUBES DOSI CO-LR.

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Wayfair
$103.83 See It
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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.

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DiscountFilterStore.com
$23.99 See It
Vizion: Water Meter Monitor Kit

The Water Meter Monitor Kit can be added to any GAP; UFL or VZN system to record daily water usage and peak flow rates. Includes Controller; Power Supply; Wiring Harness and Water Meter Monitor Assembly.

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Clean Water Store
$410.40 See It
Continuous pH Monitor with Probe

No test tubes, no reagents, no hastles! Continuosly monitor the PH of your aquarium water, without all the work! Just set it, and forget it. LED visual alarm will activate if the PH rises above the set point. Includes A/C adapter

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Big Al's Pets
$103.99 See It
pH/EC/TDS/Temperature Monitor

Low Range pH/EC/TDS/Temperature Monitors

Omni Controls Inc
$134.10 See It
BA-TDS-38 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.

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DiscountFilterStore.com
$26.99 See It
pH/EC/TDS/Temperature Monitor

pH/EC/TDS/Temperature Gro'Chek® combo

Omni Controls Inc
$134.10 See It
Pinpoint Salinity Monitor

You'll always know the exact salinity of your aquarium with the Pinpoint Salinity Monitor. Quickly and accurately measures the amount of salt in your saltwater aquarium and displays a digital reading. This monitor is temperature compensating and referenced to both % salt and specific gravity methods.

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That Fish Place - That Pet Place
$144.57 See It
ORP Monitor

Digital ORP display with accuracy to +/-1 mV. Built-in offset screw for calibration and standardization. Laboratory grade epoxy electrode with full platinum band and BNC connector. 3"x5", powered by 9 volt battery (not included).

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Petsolutions
$114.99 See It
Electronic R/O Monitor

Battery operated Electronic Monitor to determine if RO or Deion unit is working properly.

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Big Al's Pets
$42.99 See It
Monitor ORP

Professional aquarium Oxidation Reduction Potential (ORP) monitor Continuously monitors aquarium ORP levels to ensure a healthy aquatic environment Essential monitor for aquarium systems using ozone and ozonizers Professional monitor constantly measu

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Drs. Foster and Smith Pet Supplies
$114.99 See It
Milwaukee MC410 TDS Monitor

Milwaukee MC410 TDS Monitor The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user selectable set-point. An LED visual alarm is activated and flashes when the pH, EC or TDS level rises either Above or Below (user selected) that set-point.

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AquaCave.com
$79.94 See It
pH 550 Monitor

EUTECH INSTRUMENTS pH 550 pH/ORP Monitor

Omni Controls Inc
$297.00 See It
Monitor 4 -  by SE International

The M4 and M4EC are compact, ergonomic, general purpose survey meters capable of detecting alpha, beta, gamma, and x-rays over 3 selectable ranges.

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Kats Safety
$341.99 See It
CON 550 Monitor

CON 550 Monitor

Omni Controls Inc
$349.20 See It
American Marine Pinpoint Conductivity Monitor

American Marine PINPOINT Conductivity MonitorPINPOINT Conductivity Monitor is an instrument for the measurement of hardness in freshwater. The conversions are 33 µS=17.9 ppm=1dH. Good quality reverse osmosis water measures 5 15 µS, while de-ionized water measures 0 1 µS. The Conductivity Monitor is automatically temperature-compensated and has two ranges, making it useful for different applications.The freshwater hobbyist will appreciate the instant readings for precise hardness.

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MarineDepot.com
$124.49 See It
Conductivity Monitor

The precise way to measure freshwater purity. Unit measures liquid conductivity within two ranges: 0-1999 S and 2,000-20,000 S (microSiemens). Accurate to +/- 1%. Comes complete with temperature compensated probe and 3' cord. 9 volt battery not include

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Petsolutions
$149.99 See It
Pinpoint pH Monitor

Test your aquarium pH quickly and accurately. No more test tubes or solutions to mess with. This Digital pH monitor can check your pH on a continuous basis or off-on. Easy to use and accurate to 1 one-hundredth of a pH unit. Includes enough calibration solution for one calibration. Runs on one 9 volt battery or AC adaptor (neither included).

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That Fish Place - That Pet Place
$113.42 See It
Test Monitor TAM035

Test Monitor TAM035 3.5 Portable Test Monitor Built In Dc12V Power For Camera

KeylessAccessLocks.com
$171.68 See It
- Digital Moisture Monitor - 5 Blinking Patterns - HGTL

Brand Thirsty Light - Part No. HGTL - UPC 638104002523 - Battery Type 2 AG13 Lithium Batteries - Light Source LED - Material Brass/ABS - Switch Type On/Off Switch - Warranty 30 Days -

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1000Bulbs.com
$7.57 See It
Pinpoint Monitor Calcium

Easy-to-use portable digital calcium monitor Precise LCD readout - displays calcium levels in ppm Convenient calcium testing for reef hobbyists High-tech, digital calcium monitor simplifies routine testing. Just dip calibrated probe in water sample f

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Drs. Foster and Smith Pet Supplies
$229.99 See It
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