Meters - Page 2 - Blowout Sale! Save up to 57%


Blowout Sale! Up to 57% off on Meters at Dupen Labs, Page 2. Top brands include Quimat, HM Digital, AAB, Ade Advanced Optics, TopOne, Agriculture Solutions, aichose, MagicPro, Hanna Instruments, DOY, Cooper, AquaticHI, GoerTek, AUTOUTLET, RHINO TECHNOLOGY, V-Resourcing, Jellas, & LIUIC. Hurry! Limited time offers. Offers valid only while supplies last.



Quimat Updated DSO Shell 2.4” TFT Digital Oscilloscope Kit with Power Supply and BNC-Clip Cable Probe Q15001 (Assembled Finished Machine)
Quimat Updated DSO Shell 2.4” TFT Digital Oscilloscope Kit with Power Supply and BNC-Clip Cable Probe Q15001 (Assembled Finished Machine)
By Quimat
In Stock
$55.33
$42.99
You Save: 22%

mpn: Q15001,

4.7 out of 5 stars with 126 reviews
Quimat Q15001 oscilloscope is an Assembled finished Machine. Some similar products are DIY PART,should assemble before using. The Quimat Q15001 oscilloscope can be used directly to avoid assembling welding process problems and greatly saves the assembly time. Specification:  Number of Channel: 1  Analog Bandwidth: 0 - 200KHz  Sensitivity: 5mV/Div - 20V/Div  Sensitivity error: < 5%  Resolution: 12-bit  Input Impedance: 1M ohm  Maximum Input voltage: 50Vpk  Coupling: DC, AC, GND 


HMD PH-200 Digital Professional Waterproof 0-14 PH & Temperature Meter
HMD PH-200 Digital Professional Waterproof 0-14 PH & Temperature Meter
By HM Digital
In Stock
$67.59

mpn: PH-200, ean: 7466655990043,

4.7 out of 5 stars with 74 reviews
Product Description: HM Digital's PH-200 is a digital waterproof pH meter (aka pH tester or pH pen) that is ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. It is fast-acting, features amazing results and perfect for the hobbyist to the laboratory professional.Measures pH and


NEW!!! AAB ABM-200 Airflow and Environmental Meter Bluetooth for smart phones
NEW!!! AAB ABM-200 Airflow and Environmental Meter Bluetooth for smart phones
By AAB
In Stock
$72.74
$69.75
You Save: 4%

mpn: ABM-200, ean: 0850470006022,

4.2 out of 5 stars with 74 reviews
NEW!!! AAB ABM-200 Airflow and Environmental Meter Bluetooth for smart phonesFree app that connects the Meter to your smartphone. Onscreen guidance that makes it easy to take accurate readings. Ruggedized housing with ¼20 mount fitting for hands free operation. Emails professional detailed reports from within the app to enhance professionalism and validate work performed.


Ade Advanced Optics aaogabf100atc Fahrenheit ATC Glycol Antifreeze/battery Fluid Refractometer
Ade Advanced Optics aaogabf100atc Fahrenheit ATC Glycol Antifreeze/battery Fluid Refractometer
By Ade Advanced Optics
In Stock
$24.99

mpn: aaogabf100atc, ean: 0717029487315,

4.9 out of 5 stars with 45 reviews
This aaogabf100atc can be used for measuring the freezing point of either Propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of electrolyte solution batteries. This precision instrument features high-quality optics with ultra smooth focusing. Scale range: 32 degree F to -60 degree F. The hand refractometer is a portable, precision optical instrument used for measuring the freeze point of engine coolant and the operation state of battery charging


TopOne Digital TDS Meter + PH Meter with Auto Calibration Button, Water Quality Test Kit 4 in 1 (TDS-2)
TopOne Digital TDS Meter + PH Meter with Auto Calibration Button, Water Quality Test Kit 4 in 1 (TDS-2)
By TopOne
In Stock
$21.99
$17.99
You Save: 18%

mpn: 43237-2,

4.9 out of 5 stars with 123 reviews
TDS Meter:1.Backlit LCD Screen: TDS≤40, the backlit color shows green; TDS>40, the backlit color shows red. 2.Hold Function:Short press at the Hold button to hold the value.3.Auto-Off Function:Turn off automatically in 2 Minutes to conserve battery.Specifications:-Measuring Range:0 to 9999 ppm (parts per million)-Conductivity: 0 to 9990 µs/cm-Degrees Celsius: 0.1 to 80.0 degree-Fahrenheit: 32.0 to 176.0 Fahrenheit-Accuracy: +/-2% F.S-Size: 6.4 in * 1.18in * 0.59in-Color: WhiteNote:1.Do not


Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition. Battery Acid, Glycol, Coolant, Antifreeze Tester
Antifreeze Refractometer Displaying in Fahrenheit for Checking Freezing Point of Automobile Antifreeze Systems and Battery Fluid Condition. Battery Acid, Glycol, Coolant, Antifreeze Tester
By Agriculture Solutions
In Stock
$23.00

mpn: WL0038-ATC, ean: 0698775002345,

4.2 out of 5 stars with 20 reviews
Details: This refractometer is a portable, precision optical instrument used for measuring the freezing point of either Propylene or ethylene glycol based antifreeze systems. It can also be used for checking the strength of electrolyte solution batteries. It features high-quality optics with ultra smooth focusing. It is a convenient tool to check your automotive coolant and protect your car engine. General technical parameters: reference temperature 68 degree F ATC - automatic temperature


3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant, Also for Battery Acid Condition
3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant, Also for Battery Acid Condition
By aichose
In Stock
$21.99

mpn: RHB-ATC20, ean: 0603097377668,

4.9 out of 5 stars with 85 reviews
This refractometer is a portable, precision optical instrument. It's a convenient tool to check your automotive coolant and protect your car engine. No battery needed. It features high-quality optics with ultra smooth focusing. Its main body is made of aluminum alloy. The internal optical lens with high refractive index make up the precision optical system. The instrument is resistant to abrasion and corrosion resistance. Can be measured acidic and alkaline and other general corrosive liquid.


Water Quality Tester, MagicPro 2016 Newest Released Premium TDS-2 Handheld TDS Quality Water Tester Meter 0 - 9990 ppm TDS Measurement
Water Quality Tester, MagicPro 2016 Newest Released Premium TDS-2 Handheld TDS Quality Water Tester Meter 0 - 9990 ppm TDS Measurement
By MagicPro
In Stock
$19.99
$11.99
You Save: 40%

mpn: FBA_MP-658-1, ean: 0769700140248,

4.8 out of 5 stars with 12 reviews
MagicPro TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap


Hanna Instruments HI713 Phosphate Low Range Checker HC
Hanna Instruments HI713 Phosphate Low Range Checker HC
By Hanna Instruments
In Stock
$73.84

mpn: HI-713, ean: 0611517433771,

4.6 out of 5 stars with 145 reviews
The HI 713 Checker HC Handheld Photometer for Phosphate is a portable tester for measuring orthophosphates in natural, waste, and drinking waters. The HI 713 bridges the gap between less accurate chemical test kits, and expensive professional test instrumentation. The HI 713 features a resolution of 0.01 ppm (250 points) and 4% + or - 0.04 accuracy of reading. To use, zero the instrument with your water sample, then add the reagent. Place the vial into the checker, press the button and read


DOY Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics Pocket Size PH Tester (0.01 / High Accuracy +/- 0.05 and 0.00-14.00 Measurement Range and Large LCD Display) -Blue
DOY Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics Pocket Size PH Tester (0.01 / High Accuracy +/- 0.05 and 0.00-14.00 Measurement Range and Large LCD Display) -Blue
By DOY
In Stock
$29.99
$12.99
You Save: 57%

mpn: pH Meter, ean: 0654070907914,

4.5 out of 5 stars with 25 reviews
❤ DOY Digital PH Meter ☞ pH Meter is the ideal little tool for home and laboratory uses; Suitable for testing pH balance of drinking water, pools, aquariums, RO system, Spas, hydroponics food, wine and beer making and more. Do you Travel a lot? Make sure the water you drinking abroad is good enough - take your pH meter with you and test the water before drinking. ❤ Specifications: ☞ Measure range: 0.00-14.00 pH ☞ Resolution: 0.01 pH ☞ Accuracy: +/-0.05pH ☞ Power supply: 2*1.5V


Cooper-Atkins 1075 General Purpose Puncture Thermistor Probe, 3.75'' Shaft Length
Cooper-Atkins 1075 General Purpose Puncture Thermistor Probe, 3.75" Shaft Length
By Cooper
SKU: #04101064
In Stock
$62.74
$40.89
You Save: 35%

sku: 04101064, mpn: 1075, ean: 0070131510754,

4.6 out of 5 stars with 47 reviews
General Purpose Puncture Probe used to measure temperatures by insertion or immersion.Thermistor Sensor. Polyurethane Coated Coiled Cable. Designed for General Purpose Use. 1 Year Warranty. Temperature Range: -40° to 300°F (-40° to 149°C).


HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
By HM Digital
In Stock
$26.72
$21.99
You Save: 18%

mpn: COM-80, ean: 0891144000229,

4.4 out of 5 stars with 118 reviews
Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and cooling towers and filtration and purification systems.Measures electrical conductivity (EC), total dissolved solids (TDS). Exellent for nutrient testing.. Four scales: EC:


AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)
AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)
By AquaticHI
In Stock
$35.99
$27.99
You Save: 22%

mpn: 43234-1156,

4.0 out of 5 stars with 84 reviews
THROW AWAY YOUR INACCURATE HYDROMETER! USE A REFRACTOMETER TO PROVIDE ACCURATE READINGS TO MAINTAIN A HEALTHY AQUARIUM WITH CONSISTENT SALINITY LEVELS DescriptionAs a serious hobbyist the need for the best way to measure salinity and specific gravity is to use a refractometer to provide accurate measurements. The AquaticHI Aquarium Refractometer is used to PROFESSIONALLY measure the salinity and specific gravity of saltwater. ADJUSTABLE FOCUS to provide the sharpest display. Calibrate using


Light Meter, GoerTek Digital Luxmeter Illuminance Meter Handheld Actionometer Foot Candle Meter High Accuracy(±4%) with LCD Display One 9V Battery Included Range 0.1 - 200,000 Lux/0.01 - 20,000 Fc
Light Meter, GoerTek Digital Luxmeter Illuminance Meter Handheld Actionometer Foot Candle Meter High Accuracy(±4%) with LCD Display One 9V Battery Included Range 0.1 - 200,000 Lux/0.01 - 20,000 Fc
By GoerTek
In Stock
$23.99
$15.99
You Save: 33%

mpn: Luxmeter,

4.0 out of 5 stars with 145 reviews
Widely Applications GoerTek Digital Luxmeter, Digital Illuminance/Light Meter Handheld Actionometer Foot Candle Meter is widely use in school, office, family, industry, warehouse, laboratory etc. Operation Tips 1. Please make the measurement sensor vertically face the light source when you measure brightness. 2. You can select the measurement unit(Lux/Fc) by short pressing the ''MODE''button for 1 second. 3. You can choose your needed measurement mode (Normal / Average / Max ), by long press


AUTOUTLET Salinity Refractometer,Automatic Temperature Compensation Salt Water Tester Hydrometer 0-100ppt & 1.000-1.070 Specific Gravity ATC Refractometer for Sea Water Aquarium Tank, Marine Industry
AUTOUTLET Salinity Refractometer,Automatic Temperature Compensation Salt Water Tester Hydrometer 0-100ppt & 1.000-1.070 Specific Gravity ATC Refractometer for Sea Water Aquarium Tank, Marine Industry
By AUTOUTLET
In Stock
$17.95

mpn: TL277AU, ean: 0713289306953,

4.8 out of 5 stars with 48 reviews
Overview: This dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine, especially useful for aquarium and marine applications. This high quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer. With just a couple of drops of aquarium water you know exactly what your salinity is. The usual salinity of the selected aqueous solutions :


Hanna Instruments HI 98107 pHep pH Tester, with +/-0.1 Accuracy
By Hanna Instruments
In Stock
$79.99
$54.66
You Save: 32%

mpn: HI 98107, ean: 6391847322399,

4.9 out of 5 stars with 129 reviews
The HI 98107 pHep pH Tester is a portable pH meter with a replaceable electrode and a non-clogging, replenishable fiber junction. Featuring a large easy-to-read LCD screen, the tester provides fast and accurate pH readings in a rugged and ergonomically designed casing. The HI 98107 has a replaceable electrode and renewable reference junction, which helps prolong the life of this tester. With the replenishable junction, simply pull 1 to 2mm (1/8'') of the junction out with tweezers to


0~32% Brix Hand Held Refractometer(Teflon Coating)with Automatic Temperature Compensation, Rhino Handheld Refractometer Give a Portable Holster
0~32% Brix Hand Held Refractometer(Teflon Coating)with Automatic Temperature Compensation, Rhino Handheld Refractometer Give a Portable Holster
By RHINO TECHNOLOGY
In Stock
$26.70

mpn: HR103, ean: 0601982892845,

4.3 out of 5 stars with 129 reviews
Description: Refractometer is widely used in food, beverage, agricultural production and scientific research. Rhino HR103 ( 0-32% Brix ) can be used to determine the sugar content of various vegetables, fruits, maple syrup and other types of syrup ( jelly, jam, tomato sauce, etc. ), as well as the concentration of various industrial liquids ( such as cutting fluid, grinding fluid, quenching fluid, etc. ). The surface of the refractometer is sprayed with Teflon, It has the characteristics of


0-32% Brix Meter Refractometer,V-Resourcing Portable Hand Held Refractometer for Sugar Content Test
0-32% Brix Meter Refractometer,V-Resourcing Portable Hand Held Refractometer for Sugar Content Test
By V-Resourcing
In Stock
$28.99
$19.55
You Save: 33%

mpn: 43234-2834, ean: 0732840543101,

4.4 out of 5 stars with 95 reviews
V-Resourcing is the ONLY Authorized Seller. Unauthorized sellers cannot guarantee or offer warrantees.Product Overviews This Hand-held Refractometer,widely used in the manufacture or production of sugar, food, fruit, beverages etc.Versatile refractometer,perfect for sugar measurement, contribute much for the management of product quality, delivery inspection, sweetness classification and so on. Features: 1.Brix scale range is 0 to 32%. 2.Automatic Temperature Compensation: 10℃~30℃


Jellas Soil pH Meter, 3-in-1 Moisture Sensor Meter/Sunlight/pH Soil Test Kits test function for Home and Garden, Plants, Farm, Indoor/Outdoor Use
Jellas Soil pH Meter, 3-in-1 Moisture Sensor Meter/Sunlight/pH Soil Test Kits test function for Home and Garden, Plants, Farm, Indoor/Outdoor Use
By Jellas
In Stock
$10.99

mpn: JLMM02,

4.0 out of 5 stars with 56 reviews
This 3 in 1 soil moisture meter is designed to better know the condition of your plant, monitor the soil moisture, help you control the soil ph acidity and see if plant gets sufficient sunlight to make plants grow healthier. Specifications: Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet). Relative Light: 0-2000 lux (0-200 Low, 200-500 Low+, 500-1000 Nor, 1000-2000 Hgh). pH Range: 3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline). Product Size: 11.2 x 2.0 x 1.3 inches. Probe length: 7.9 inches.


LIUIC Digital pH Meter | pH Tester | High Accuracy 0.01 PH | Mini Water Quality Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools | 3x - Extra PH Calibration Solution Powders
LIUIC Digital pH Meter | pH Tester | High Accuracy 0.01 PH | Mini Water Quality Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools | 3x - Extra PH Calibration Solution Powders
By LIUIC
In Stock
$11.95

mpn: 43233-35665, ean: 0663481830773,

4.6 out of 5 stars with 101 reviews
LIUIC Digital pH Meter | pH Tester | High Accuracy 0.01 PH | Mini Water Quality Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools | 3x - Extra PH Calibration Solution Powders ◄Specifications► ■ Measure range: 0.01 pH-14.00 pH ■ Resolution: 0.01 pH ■ Accuracy: +/- 0.01 pH ■ Batteries: 2x 1.5V LR44 (included) ■ Automatic Temperature Compensation (ATC): 0℃ - 60℃ (32℉ - 140℉) ■ Dimensions: 15.5 x 3.1 x 1.8 cm / 6.1 x 1.2 x 0.7 inch ■ Net



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