Apera Instruments TN500 Portable White Light Turbidity Meter with Data Logger, EPA 180.1 Compliant (AI483)

$379

TN500-S1 AMCO Turbidity Standard Calibration Solution Kit (20/100/400/800NTU) for Apera Instruments TN500 Turbidity Meter

$72.69

NEWTRY Turbidity Meter, Portable Digital Water Turbidimeter, ISO7027 Compliant, Accuracy 0.1, 0-200NTU, LCD with Backlight, for Lab Water Treatment Plant Wine Industry

$14.9

VTSYIQI Portable Turbidimeter Turbidity Meter Calibration Solution 0.02NTU 200NTU 500NTU 1000NTU for Lab Turbidity Measurement

$179.99

BriSunshine Lab Turbidity Meter, Handheld Portable Turbidimeter for Testing Turbidity of Liquids, Measuring Range 0-200 NTU, ISO 9001 Certification Compliant

$183

Portable Turbidimeter Turbidity Meter Kit Turbidity Tester with 4 PCS Calibration Solution Vials Range 0~1100 NTU/FNU 0~275 EBC 0~9999 ASBC

$155

Apera Instruments TN500-S2 AMCO 0 NTU Standard Calibration Solution Refill for Model TN500 Turbidity Meter, 100mL

$35

Extech TB400 Portable Turbidity Meter

$429

Bante TB100 Portable Turbidity Meter | Turbidimeter Kit | 2 to 5 Points Calibration, Selectable Turbidity Units - NTU/FNU/EBC/ASBC, 100 Sets of Data Storage, USB Interface

$25.08

AMTAST Portable Turbidimeter Turbidity Meter Kit Turbidity Tester with 2 PCS Glass Sample Vials Range:0~1100 NTU/FNU, 0~275 EBC, 0~9999 ASBC

$369

WGZ-1B Portable Digital Turbidimeter Turbidity Meter

$400

ULTECHNOVO Module Turbidity Testing Equipment Turbidity Measurement Sensor Industrial Turbidity Sensor Turbidity Sensor Detection 3.3-5v Water Quality Detection Urine Cups Plastic

$16.13

Apera Instruments AI502 EC700 Benchtop Lab Conductivity/Temperature Meter, Plastic, 1% F.S Accuracy, 0-200.0 mS/cm Range, 1-4 Points Auto Calibration

$14.15

Portable Digital Water Turbidity Meter turbidimeter 0~200 NTU Minimum Indication: 0.1 NTU WGZ-1B

$183

Apera Instruments 12.88 mS/cm (12880µS/cm) Conductivity Standard Calibration Solution, 16 oz. (AI1131)

$9.99

Apera Instruments Premium Series PC8500 Portable Handheld pH/Conductivity Meter Kit (AI5524)

$40.1

Lutron TU-2016 Turbidity Meter Alongwith Factory Calibration Certificate for Lakes, Water Tanks, Rivers, Mangroves, Test Municipal Water

$72

Apera Instruments SX716 Portable Lab Dissolved Oxygen DO Meter, Waterproof, Automatic Temperature, Salinity Compensation and Calibration Silver AI461

$28.92

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

$45.88

AMTAST Portable Turbidity Meter Kit Handheld Turbidity Tester with Carrying Case, Range: 0-19.99, 20.0-199.9, 200-1000NTU

$369

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

$29.99

Zerodis Portable Turbidity Meter Kit,Handheld Digital Turbidity Meter Portable Turbidimeter with Carrying Case for Swimming Pool Laboratory Measuring Range 0-200 NTU

$155

Apera Instruments SX751 pH/ORP/DO/Conductivity/TDS/Salinity/Resistivity/Portable Handheld Multiparameter Meter Kit, Silver

$236.99

Apera Instruments AI480 DO850 Optical Dissolved Oxygen Meter Kit, with 10 Ft Optical DO Probe, Hassle-Free Testing Experience

$45.5

Hach 2100Q01 2100Q Portable Turbidimeter

$217.69

Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each

$7.99

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified

$29.99

Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration

$8.99

Apera Instruments 1413 µS/cm Conductivity Standard Calibration Solution, 16 oz.

$10.9

GISNPA Dissolved Oxygen Meter with ATC, 0-40.00 mg/L Measurement Range, DO Meter with Electrode Filling Fluid and Anaerobic Water Calibration Powder

$82.95

General Tools Digital UVA/UVB Meter | Measures UV-A/B Intensity (280-400 nm) | Two Ranges, Backlit LCD, Memory Function | Safety and Environmental Monitoring | Kit includes tripod and Magnetic Mount

$83.99

WeAQUA TDS Meter AI-Supported Self-Calibrating for Accurate Results - Total Dissolved Solids Meter- Water Quality Meter Ideal for Drinking Water, Aquariums, Hydroponics, TDS and PPM Measurement

$119.99

Digital pH and TDS Meter Kit - 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy - 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium (pH Meter Kit)

$89.54

Apogee Instruments MQ-610: 400-750 nm ePAR Meter with AM-310 Telescopic Wand - Meter for Extended Range LED Greenhouse Grow Lights, Sunlight, and Plant Care

$82.99

Turbidity Meter, Turbidity Meter US Plug 100-240V 0.1A DC5V High Backlit Water Laboratory

$14.9

pH Buffer Calibration Solution, pH 7.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

$14.95

Carolina Turbidity Tube, 60 Cm., Measure Turbidity Of Shallow Or Flowing Water

$155

Apera Instruments, LLC-AI1312 Apera Instruments 201T-S pH/Temp. Electrode, 8-pin Connector, The Replacement Electrode for Apera 400/400S Series Portable Meters

$15.38

Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable Probe

$162.87

AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

$19.99

Apera Instruments pH Probe Electrode Sensor Care Maintenance Kit, Including pH 4/7/10 buffers, 3M KCL Soaking Solution, Probe Cleaning Solution, a CalPod Solution Organizer (AI1170)

$14.66

Digital Illuminance Light Meter Tester 200,000Lux Meter (18,500FC) Luxmeter Lighting Intensity Brightness Measurement Tool for Indoor Outdoor Grow Plants Film Photography lumens LED Photometer

$119

APERA INSTRUMENTS AI1116 pH Calibration Solution Kit (7.00, 4.00, 10.01), 16 oz. Each, Plus a CalPod Solution Holder for Easy Calibration, NIST traceable

$7.96

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green

$95.24

APEC TDS Meter Digital Water Quality TDS Test Kit Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, 2% Readout Accuracy

$11.99

ePathChina 2" 52MM 12V 8~16V Universal LED Electrical Car Voltmeter Voltage Gauge Meter

$11.99

RCYAGO PH Meter, 5 in 1 PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Testing for Drinking Water, Hydroponics, Seawater, Aquariums, Fish Tank and Swimming Pools

$10.79

Industrial Test Systems 481652-III Exact Reagent Cyanuric Acid III for Photometers

$20.88

Apera Instruments, LLC-AI1109 8oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 4oz 3M KCL Storage Solution for pH/ORP Electrodes

$8.99

Apera Instruments Premium Line ORP60 Pocket ORP Tester Kit, Replaceable Probe, 1 mV/±0.2% F.S Accuracy, ±1000 mV Range

$5.99

Hach 2434706 Portable Turbidimeter Sample Cells, Pack of 6)

$400

GISNPA 7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Digital pH Meter, Water Tester for Drinking, Hydroponics, Swimming Pool and Aquarium

$29.95

Turbidity Sensor Module, Turbidity Sensor Water Quality Monitoring Sewage Turbidity Value Detection Module TSW-20M for Turbidity Measurement and Control of Washing Machines

$130

Solarmeter Model 5.7 Sensitive UVA & UVB Total UV Light Meter, Handheld Digital Radiometer and Light Bulb Tester for Measuring Ultraviolet Light, 0-1999 μW/cm², Made in USA

$58.8

Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine

$660

BTMETER BT-881E Digital Illuminance/Light Meter, Measure Lights 0.01~300,000 Lux (0.01~30,000 FC) Foot Candles, Par Meter Luxmeter for Plants Aquarium Light Tester

$14.98

AMTAST UV340B UV Light Meter UVA & UVB Light Measure Tester, 290~390nm

$39

pH Buffer Calibration Solution, pH 10.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters — Color Coded Blue

$6.99

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters

$23

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 500 mL (1.06 Pint) — NIST Traceable Reference Standards for All pH Meters

$25.99