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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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angezeigte Produkte: 61 bis 80 (von 366 insgesamt) Seiten: [<< vorherige]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  [nächste >>] 
 Art durch Popularity   Hersteller   Artikel   Artikelnr.   Preis+   Bestellen 
 Hanna Checker Marine Calcium Reagents (25pcs)   Hanna Instruments   Hanna Checker Marine Calcium Reagents (25pcs) 
FOR Hanna Checker - Calcium Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant s... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716985   $19.58 
 Hanna Checker Glass Cuvet for Checker Series (4pcs)   Hanna Instruments   Hanna Checker Glass Cuvet for Checker Series (4pcs) 
Hanna Checker AccessoriesGlass Cuvette (4 pcs) The glass cuvette is the most sensitive part for taking accurate measurements with photometers. It is important that the cuvette is always clean and without scratches. These cuvettes were engineered to fit the HANNA Checker HC line.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716965   $20.56 
 TDS-3 Handheld TDS meter   HM Digital   TDS-3 Handheld TDS meter 
HM Digital Meters TDS-3 Handheld TDS meter (HMDTDS3)Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indi... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HMDTDS3   $21.36 
 Rapitest Digital Plus Soil pH Meter   Luster Leaf Products, Inc.   Rapitest Digital Plus Soil pH Meter 
Rapitest Digital Plus Soil pH MeterThe Rapitest Digital Plus Soil pH Meter is programmed with plant pH preferences for over 400 fruits, vegetables, grasses and landscape plants. The meter's numeric format is easy to read. All results are displayed on the digital LCD screen, ranging from 3.5 to 9.0. Measures the acidity or alkalinity of your soil. Instant digita... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716915   $21.38 
 pH Replacement Electrode for HI98103, HI9910   Hanna Instruments   pH Replacement Electrode for HI98103, HI9910 
Hanna Instruments pH Replacement Electrode for HI98103, HI9910 (HI1270)Spare pH electrode for HI98103 and HI9910 with cloth junction, for general purpose, field applications. Manufacturer's Product Information MSRP each $29.95 Dimensions2 x 1.9 x 9.6 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HI1270   $21.38 
 Hanna Checker Replacement Electrode (HI 1270)   Hanna Instruments   Hanna Checker Replacement Electrode (HI 1270) 
Hanna Checker pH Tester (HI 98103)Hanna Checker Replacement Electrode (HI 1270) (716436)At the cost of just a few rolls of litmus paper, you can have the industry's best pocket-size pH tester. The Checker supplies you with fast and accurate readings from 0.00 to 14.00 pH with a resolution of 0.01 pH. This compact tester features a large easy-to-read LCD and a simple to perform 2-po... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716436   $21.54 
 HM HANDHELD TDS-3 TESTER   HM Digital   HM HANDHELD TDS-3 TESTER 
HM Digital Handheld TDS Tester Model TDS-3 Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Measurement Rang... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716187   $22.20 
 Bluelab Guardian Monitor Power Supply   Bluelab   Bluelab Guardian Monitor Power Supply 
Bluelab Bluelab Guardian Monitor Power Supply (BLU24700)Power supply unit with international plug adaptors for North America, Australia/New Zealand, UK and Europe.Designed specifically for use with the Bluelab Guardian Monitor. Manufacturer's Product Information ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-BLU24700   $22.61 
 AQUA TEST NO2 NITRITE TEST KIT 12/CS   ELOS   AQUA TEST NO2 NITRITE TEST KIT 12/CS 
Elos No2 - Test Kit The activity of the bio-filter in the aquarium system can be divided in mineralization and nitrification.  The products of the mineralization process are ammonia and organic acids.  The next step of decomposition is the oxidation (nitrification) of ammonia and ammonium to Nitrate (NO2).  Nitrate has a toxic effect on fish because it oxidizes hemo... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 731446   $22.68 
 Hanna Checker Cuvet Cleaning Soultion   Hanna Instruments   Hanna Checker Cuvet Cleaning Soultion 
FOR Hanna Checker - Phosphorus ULR Easier to use and more accurate than chemical test kits Ascorbic acid method ±0.04 ppm ±4% of reading accuracy
 Large, easy to read digits 
Auto shut off Dedicated to a single parameter Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716975   $23.50 
 Hanna Checker Cuvet Cleaning Soultion   Hanna Instruments   Hanna Checker Cuvet Cleaning Soultion 
Hanna Checker AccessoriesCuvette Cleaning Solution, 230 ml This solution is used to clean dirty cuvettes. Cleaning your cuvette is important because if the cuvette is dirty, less light will reach the sample and it can make your reading off.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716975   $23.50 
 PH600-AQ PH METER 10/CS   Milwaukee Instruments   PH600-AQ PH METER 10/CS 
Milwaukee pH Tester Model pH 600 AQ Milwaukee’s most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration ,and accuracy of_+ 0.2 pH. Battery Life: 700 hours. Calibration solution sold separately. 30 day warranty. MSRP: $33.95... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716642   $23.74 
 Soil pH Tester.      Soil pH Tester. 
RAPITEST SOIL pH TESTER with probe.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA...more.
 MI211   $23.95 
 pH Tester w/1 Point Manual Calibration   Milwaukee Instruments   pH Tester w/1 Point Manual Calibration 
Milwaukee Instruments pH Tester w/1 Point Manual Calibration (MIPH600BX)pH Tester with 1 point manual calibration, ± 0.2 pH Accuracy range: 0.0pH to 14.0 pH Full Range tester - Unit comes with 30 Day Warranty -- Snap Over Protective Case - 7.01 Calibration solution and calibration screwdriver are included with unit. Manufacturer'... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-MIPH600BX   $24.95 
 Rapitest Digital Soil Test Kit   Luster Leaf Products, Inc.   Rapitest Digital Soil Test Kit 
Quickly and easily tests soil samples measuring levels of pH, Nitrogen, Phosphorus, and Potash.... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-LL01605   $24.95 
 AQUA TEST NO3 NITRATE TEST KIT 12/CS   ELOS   AQUA TEST NO3 NITRATE TEST KIT 12/CS 
Elos No3 - Test Kit The biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.) converts the nitrite into a far less harmful form of nitrogen waste: nitrate. Nitrate is the final stage of t... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 731447   $25.41 
 AQUA TEST MG-MAGNESIUM TEST KIT 12/CS   ELOS   AQUA TEST MG-MAGNESIUM TEST KIT 12/CS 
Elos Mg - Test Kit Magnesium (Mg) is present in a high quantity (1.300/1.350 ppm) in natural seawater. Contrary to its (not only quantitative) significance, this element was ignored as an important parameter of the marine aquarium for a long time. In contrast of what we know today, Magnesium creates a remarkable improvement in the growth of calcareous algae and also has a posit... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 731444   $25.41 
 AQUA TEST PO4 PHOSPATE TEST KIT 12/CS   ELOS   AQUA TEST PO4 PHOSPATE TEST KIT 12/CS 
Elos PO4 - Test Kit Phosphate (PO4) build up in the tank appears to be a fairly common problem in freshwater and saltwater aquariums. They are present in most tap water supplies, they are also introduced to aquarium water through fish waste, uneaten fish food, and decaying plant and invertebrate material. Hobbyist end up with rising levels of PO4, leading to the appearance of ... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 731449   $25.41 
 HM INLINE AQUAPRO TDS WATER TESTER   HM Digital   HM INLINE AQUAPRO TDS WATER TESTER 
HM Digital Aquapro TDS Water Tester Model AP-1 Measures total dissolved solids (TDS) and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 0-5000 ppm Digital Calibration (push button) Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature read... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716188   $25.54 
 pH Checker 1 Replacement Probe.   Hanna Instruments   pH Checker 1 Replacement Probe. 
HANNA pH CHECKER 1 Replacement Electrode for Hanna model HY1861.... — Ships from Portland, Oregon USA...more.
 HY190   $25.95 
angezeigte Produkte: 61 bis 80 (von 366 insgesamt) Seiten: [<< vorherige]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  [nächste >>] 
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