Multiparameter Meters - Blowout Sale! Save up to 52%


Blowout Sale! Up to 52% off on Multiparameter Meters at Dupen Labs. Top brands include Pancellent, NEXTBIB, BIPEE, HM Digital, Orbeco Hellige, KKmoon, Aqua Galaxy, Oakton, easylifeproduct, Gain Express, TDS Meter, Extech, LaMotte, CGOLDENWALL, YSI, Autonics USA, Inc, & Homyl. Hurry! Limited time offers. Offers valid only while supplies last.



Water Quality Test Meter Pancellent EC PH 2 in 1 Kit 0-9990us/cm Electrical Conductivity 0.01pH Resolution 0.01pH Accuracy
Water Quality Test Meter Pancellent EC PH 2 in 1 Kit 0-9990us/cm Electrical Conductivity 0.01pH Resolution 0.01pH Accuracy
By Pancellent
In Stock
$39.90
$19.17
You Save: 52%

mpn: TES-PH-USEC, ean: 0734009727124,

4.1 out of 5 stars with 142 reviews
Little Money to Know Water Quality The Pancellent EC PH Meter set is a professional level water test meter. Application: pure water production and drinking, tap water, well water, sea water, fish tank water, swimming pool water, amniotic fluid early break, soil, aquaculture, food processing, saliva, enzyme, chemical experiment, ionized water, PH value of human urine and so on. PH Meter Specifications: Measure Range : 0.00 - 14.00 pH Resolution : 0.01 pH Accuracy : ± 0.01 pH Automatic


Comercial En-Línea Dual Monitor de TDS
Comercial En-Línea Dual Monitor de TDS
By NEXTBIB
In Stock
$49.99

mpn: NEX-B000VVYRVQ, ean: 6794820011936,

4.3 out of 5 stars with 80 reviews
Range: 0-9990 ppm Accuracy: ±2% Conversion Factor: NaCl (avg. 0.5) Cable Length: 46'' (including sensor), shielded cables Sensor: Dual, 1/4'' diameter for quick-connect fittings (model SP-3, included) Digital Calibration: Digitally factory calibrated to NaCl 342 ppm. Re-calibration can be done separately for each line. Power source: 2 x AA batteries (included) Battery life: Approx. 2 years  Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.) Weight: 201.3 g (7.1 oz.)Range: 0-9990 ppm Accuracy:


BIPEE 6020A Waterproof Pocket PH Meter with ATC and External Electrode
BIPEE 6020A Waterproof Pocket PH Meter with ATC and External Electrode
By BIPEE
In Stock
$82.59

mpn: 6020A, ean: 0708191700722,

4.7 out of 5 stars with 50 reviews
Description:This PH Meters is Waterproof and Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions. Feature: measuring range:0~14 ph accuracy +/-0.02 ph Three point Calibration:4.01, 6.86, 9.18 Working temperature range:0~50 Celsius Degree (32~122 Fahrenheit) 1.5V *4 Button cell battery Dimension 188*38mm Including External Electrode; Weight 82g Package


HM DIGITAL COM-100 Waterproof EC / TDS / Temp Combo Meter Tester Handheld Pen for Aquaculture, Labs, Pools & Spas, Ecology Testing,Wastewater Regulation and More
HM DIGITAL COM-100 Waterproof EC / TDS / Temp Combo Meter Tester Handheld Pen for Aquaculture, Labs, Pools & Spas, Ecology Testing,Wastewater Regulation and More
By HM Digital
In Stock
$59.59

mpn: COM-100, ean: 0603964472816,

4.5 out of 5 stars with 121 reviews
The EC / TDS / Temp Combo Meter Tester is for Testing Water Quality ?S mS ppm ppt Measuring Wastewater Regulation, Aquaculture, Hydroponics, Colloidal Silver, Labs & Scientific Testing, Pools & Spas, Ecology Testing, Boilers & Cooling towers, water treatment and MoreFEATURESThree non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl)Automatic Temperature Compensation (ATC)Waterproof housing Auto-off function, data-hold function and low-battery indicatorReplaceable SensorIncludes a cap,and


Orbeco-Hellige L194821 Replacement Probe for SD-60 ORP/Redox Tester
Orbeco-Hellige L194821 Replacement Probe for SD-60 ORP/Redox Tester
By Orbeco Hellige
In Stock
$19.41

mpn: L194821,

4.0 out of 5 stars with 50 reviews
A multiparameter meter is a benchtop or handheld device that can take multiple readings on a single sample. It measures parameters such as the pH level (acidity or alkalinity of a substance), conductivity (the amount of salts or other compounds present in water), dissolved oxygen (DO, the amount of oxygen in a liquid), temperature, total dissolved solids (TDS, anything present in water other than the pure water molecule and suspended solids), salinity, resistivity, and oxidation reduction


KKmoon ORP Meter Pen with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis Device Green
KKmoon ORP Meter Pen with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis Device Green
By KKmoon
In Stock
$27.16

mpn: IXY4920486465178FG, ean: 0602720348785,

4.7 out of 5 stars with 47 reviews
The pen ORP meter is professional and ideal tool for testing your water level. Suitable for aquarium pool and environment water.Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level. The tendency of the solution to either gain or lose electrons. Clear LCD with backlight. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. Compact and portable pen-type design. Easy to use and provides instant display of results.Specifications:


Aqua Galaxy AG-SAM-2900 Smart Aqua Meter and PH/Temperature Probe
Aqua Galaxy AG-SAM-2900 Smart Aqua Meter and PH/Temperature Probe
By Aqua Galaxy
In Stock
$51.24
$51.17

mpn: AG-SAM-2900, ean: 0860237000132,

4.6 out of 5 stars with 26 reviews
The SAM-1 smart aqua meter from Hydro Galaxy turns your smartphone or tablet into a power and convenient pH and temperature meter, Packaged with pH sensor. iPhone/iPad not included; used for display purposes along with the screen image.Precise and accurate measurements. Record readings with GPS Data, time and comments. Instantly share collected data via email. Coming to Android devices this holiday season. 1 Smart Aqua Meter & 1 pH/Temperature Meter.


HM DIGITAL COM-100 TDS EC Meter Handheld water quality Tester for Wastewater Aquaculture Hydroponics Labs Scientific Pools Spas drinking water etc
HM DIGITAL COM-100 TDS EC Meter Handheld water quality Tester for Wastewater Aquaculture Hydroponics Labs Scientific Pools Spas drinking water etc
By HM Digital
In Stock
$59.95
4.8 out of 5 stars with 81 reviews
SPECIFICATIONS EC Range: 0 - 9990 µS; 0 - 9.99 mS TDS Range: 0 - 8560 ppm (mg/L); 0 - 8.56 ppt Temperature Range: 0-80 °C; 32-176 °F Resolution: 0-99: 0.1 µS/ppm/mS/ppt; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 0.1 °C/F Accuracy: +/- 2% EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user. Calibration: Digital calibration by push button. Probe: Detachable platinum electrodes Housing: IP-67 Waterproof (submersible;


Oakton RS-232 Interface Cable for Advanced pH/Ion Meters
Oakton RS-232 Interface Cable for Advanced pH/Ion Meters
By Oakton
In Stock
$12.37

mpn: AO-35420-01,

4.4 out of 5 stars with 133 reviews
Manufactured by Cole-Parmer, Oakton RS-232 Interface Cable for Advanced pH/Ion Meters, Country of origin - China, Works with 2700 and 450 meters.Use With: Oakton 2700 meters. Description: Oakton RS-232 Interface Cable for Advanced pH/Ion Meters. Number Of Items: 1.


easylifeproduct Pen-type ORP Temperature Meter Redox Thermometer Tester ±1999mV Pool Aquarium
easylifeproduct Pen-type ORP Temperature Meter Redox Thermometer Tester ±1999mV Pool Aquarium
By easylifeproduct
In Stock
$69.99

mpn: ORP-619, ean: 0701160986493,

4.8 out of 5 stars with 80 reviews
Features -2-in-1 ORP & temperature ( ˚C/˚F) -Instant & accurate measurement -Compact and portable pen-type design -Large and clear LCD with backlight -IP65 waterproof & replaceable sensor probe -Auto power off Specifications -Measuring Range (ORP): -1999~1999 mV -Measuring Range (Temperature): -50~70˚C (-58~ 158 ˚F) -Resolution (ORP): 1mV -Resolution (Temperature): 0.1˚C (0.2˚F) -Accuracy (ORP): ±5mV -Accuracy (Temperature): ±1˚C (±2˚F) -Operating


Gain Express VC3165 Radio Frequency Counter 0.01Hz~2.4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED Display
Gain Express VC3165 Radio Frequency Counter 0.01Hz~2.4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED Display
By Gain Express
In Stock
$89.90

mpn: VC-3165, ean: 0701936211460,

4.2 out of 5 stars with 91 reviews
Frequency counter that measures signals over a wide range of 0.01Hz - 2.4GHz. Gate time that is continuously varying from 100ms-10s. All functions depend on a single CPU. It has a crystal-controlled temperature circuit that provides a constant compensation for temperature change, reduces the measurement errors. Features * Switch from 110V to 220V (vise versa) * 5W max consumption Specifications 8digit LED display 3step function selections Channel B input has an attenuator(x1,x20) AC/DC


Water Test Kit - TDS Meter - Instantly Check Your PPM Home Water Quality - Digital Tester for Drinking Well Water Hardness and Aquarium - Pool Testing PH Reader Pen
Water Test Kit - TDS Meter - Instantly Check Your PPM Home Water Quality - Digital Tester for Drinking Well Water Hardness and Aquarium - Pool Testing PH Reader Pen
By TDS Meter
In Stock
$13.95

mpn: TNO82118, ean: 7426799126999,

4.9 out of 5 stars with 51 reviews
Water Test Kit - TDS Meter - Instantly Check Your PPM Home Water Quality - Digital Tester for Drinking Well Water Hardness and Aquarium - Pool Testing PH Reader Pen A 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-3 can tell you your overall water purity level, which will be


HM Digital ORP-200 Waterproof Meter for ORP (Redox) & Temperature
HM Digital ORP-200 Waterproof Meter for ORP (Redox) & Temperature
By HM Digital
In Stock
$89.99

mpn: CWD-HM-DIGITAL-ORP-200, ean: 0700999872458,

4.9 out of 5 stars with 35 reviews
Waterproof Meter for Oxidation Reduction Potential and Temperature.No tool digital calibration for ultimate ease of use. 5 minute auto shut-off to conserve battery life.


Extech PH100 ExStik pH Waterproof Meter
Extech PH100 ExStik pH Waterproof Meter
By Extech
In Stock
$99.99
$71.99
You Save: 28%

mpn: PH100, ean: 5053184545480,

4.9 out of 5 stars with 73 reviews
ExStik pH tester features a flat pH sensor making it ideal for testing semisolids and surfaces. Flat surface also reduces the chance of accidental breakage of the electrode tip-perfect for rugged field use! Built-in smart chip simplifies calibration and error diagnosis. CAL alert notifies you when it is time to recalibrate ensuring accurate readings. Renew indicator tells you when it is time to replace the electrode. Built-in memory recalls up to 15 sequentially tagged readings. LCD


Lamotte 3366-BR-01 Pool MGR Test Kit, 0-10.0 ppm Total Bromine, 6.8-8.2 pH Range, 60-400 ppm Total Alkalinity, 60-400 ppm Calcium Hardness, Acid Demand
Lamotte 3366-BR-01 Pool MGR Test Kit, 0-10.0 ppm Total Bromine, 6.8-8.2 pH Range, 60-400 ppm Total Alkalinity, 60-400 ppm Calcium Hardness, Acid Demand
By LaMotte
In Stock
$90.85

mpn: 3366-BR-01, ean: 0637395463983,

4.9 out of 5 stars with 93 reviews
Lamotte 3366-BR-01 Pool MGR Test Kit, 0-10.0 ppm Total Bromine, 6.8-8.2 pH Range, 60-400 ppm Total Alkalinity, 60-400 ppm Calcium Hardness, Acid DemandAcid Demand: Calculated. Units include 2 Octa-Slide color bars with 8 translucent color standards for Chlorine and pH. Total Bromine: 0 - 10.0. LaMotte offers the only test tablet that will overcome an interference from monopersulfate shock treatments known as oxy-shocks.


CGOLDENWALL Waterproof 4 in1 Nutrient Meter Hydroponics EC Meter Soil Nutrient Tester PPM Dipstick Conductivity Stick Meter
CGOLDENWALL Waterproof 4 in1 Nutrient Meter Hydroponics EC Meter Soil Nutrient Tester PPM Dipstick Conductivity Stick Meter
By CGOLDENWALL
In Stock
$83.00

mpn: XQ 1,

4.3 out of 5 stars with 67 reviews
Specification: Measuring range: 4-52CF / 0.4-5.2EC / 200-2600ppm(EC x 500) / 280-3460ppm(EC x 700) Resolution: 1CF / 0.1EC / 50ppm 500 / 70ppm 700 Accuracy: ±4% of reading Calibration: Factory Calibrated Auto Sense:Auto On and Auto Off Working temperature: 5-50°C (41-122°F) Power: 3×1.5v AA Batteries Dimension: 415×26×26mmDisplay:LCD How to use Using the stick measure nutrient conductivity involves warming the probe sensor head in the solution, followed by measuring and reading


YSI 063516 Charger and Cigarette Lighter
YSI 063516 Charger and Cigarette Lighter
By YSI
In Stock
$34.38
$30.51
You Save: 11%

mpn: 63516,

4.6 out of 5 stars with 110 reviews
Charger and cigarette lighter. For use with 556MPS multiparameter instrument.


AUTONICS M4Y-DV-X Meter, DC Volts, LED, W72xH36mm, 3 1/2-Digit,0-75MV,Output 0-300 Amps
AUTONICS M4Y-DV-X Meter, DC Volts, LED, W72xH36mm, 3 1/2-Digit,0-75MV,Output 0-300 Amps
By Autonics USA, Inc
In Stock
$59.27

mpn: M4Y-DV-X,

4.6 out of 5 stars with 117 reviews
Meter, DC Volts, LED, W72xH36mm, 3 1/2-Digit,0-75MV,Output 0-300 AmpsMax display 19999(M5W), 1999(Others). Auto zero function or Hold function (Except for M5W). RMS/AVG value selection function (AC Voltage). 7 Segment LED Display. Custom Applications Available Please Call For Applications..


Oakton Instruments WD-35420-01 RS-232 Cable for DO 2700 and pH 2700 Benchtop Meter
Oakton Instruments WD-35420-01 RS-232 Cable for DO 2700 and pH 2700 Benchtop Meter
By Oakton
In Stock
$49.37
$43.60
You Save: 12%

mpn: WD-35420-01, ean: 0094715372668,

4.6 out of 5 stars with 148 reviews
RS-232 Cable Application communnication to computer for downloading recorded data..


Homyl DC 5V-30V Temperature and Humidity Transmitter Detection Sensor Module RS485 for Indoor
Homyl DC 5V-30V Temperature and Humidity Transmitter Detection Sensor Module RS485 for Indoor
By Homyl
In Stock
$30.58
$16.99
You Save: 44%

mpn: 823b2d8e42d64653bf588b6db663d7d7, ean: 0705220030331,

4.2 out of 5 stars with 91 reviews
Description: - It can detect the environment in real time and output data through a certain protocol format. - Long-term stability, full-scale temperature compensation. - Wide voltage supply, high accuracy. - Low drift and fast response. - Long service life, strong anti-interference ability. - Anti-reverse protection. - Use special data transmission wire with shielding paper to prevent interference. - Widely used in telecommunication rooms, intelligent buildings, plant workshops, warehouses,



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