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Measures TDS levels from 0 to 9990 ppm Accurate readings with +/- 2% precision Large, easy-to-read LCD display Includes convenient carrying case with belt clip Advanced microprocessor ensures efficient performance Built-in digital thermometer for temperature readings Ideal for commercial and home use
Average Rating out of 5:
Price Range: $14.95
Size: 0 - 9990 ppm. TDS Range, 1 ppm Resolution, +/- 3% Readout Accuracy
Material: Metal
2
4-in-1 functionality for versatile water testing.
Upgraded big backlit LCD for easy reading.
Auto-lock function for effortless usage.
Factory calibrated for immediate use.
Energy-saving auto-off feature after inactivity.
Comprehensive PPM value range for water quality.
Quick and accurate results in seconds.
Average Rating out of 5:
Price Range: $7.87
Color: Blue
3
Includes conductivity test pen and outlet tester.
Easy plug-and-play functionality for quick testing.
Clear indicator lights for easy status understanding.
Made from safe, non-toxic materials for durability.
Tests various grounding products effectively and accurately.
Ideal for home, office, and more applications.
Keep tools away from children for safety.
Price Range: $12.99
4
Compatible with Raspberry Pi and Arduino boards.
Wide voltage input: 3.3V to 5.5V.
Analog output: 0 to 2.3V signal.
AC excitation source prevents probe polarization.
Waterproof probe for reliable liquid testing.
Easy plug-and-play installation; no soldering required.
Use with ADS1115 16-bit ADC module for accuracy.
Average Rating out of 5:
Price Range: $11.99
5
High accuracy with BPB probe technology.
Easy auto-calibration and buffer recognition.
Automatic temperature compensation for precise readings.
Large LCD with dual temperature and conductivity display.
Calibration reminders ensure measurement reliability.
Complete kit with calibration solutions and batteries.
Portable carrying case for easy transport.
Average Rating out of 5:
Price Range: $37.26
Color: Light grey/Green
Material: Stainless Steel
6
4 bottles of 50mL calibration solution.
Enhances accuracy of salinity and EC meters.
Prevents contamination with easy storage.
Calibrate weekly for optimal performance.
Compatible with various 5-in-1 testers.
Automatic temperature compensation feature included.
Not for consumption; keep away from children.
Average Rating out of 5:
Price Range: $11.99
7
Quickly monitors nutrient levels for optimal growth.
Measures TDS, EC, PPM for precise readings.
Factory calibrated; no calibration needed.
Fully waterproof for reliable use.
Automatic temperature compensation for consistent results.
Includes batteries and protective carrying case.
5-Year Limited Warranty with proof of purchase.
Average Rating out of 5:
Price Range: $104.00
8
Certified conductivity standard for accurate measurements.
1413 µS conductivity value for reliable testing.
500 mL volume for extended use.
Resistivity value (ohm-cm) ensures quality results.
TDS calibration values for precise readings.
Ideal for laboratories and field testing applications.
Easy-to-use and store for convenience.
Average Rating out of 5:
Price Range: $23.02
9
3-in-1 TDS, EC, and temperature measurement.
Large backlit LCD for easy visibility.
Auto-lock function for convenient use.
High-quality titanium alloy probe for accuracy.
Monitors drinking water purity and quality.
Ideal for aquariums, hydroponics, and pools.
Simple operation with fast, stable readings.
Average Rating out of 5:
Price Range: $9.99
Color: White+Black
10
Measures salt, TDS, and temperature accurately.
Compact size for easy portability and storage.
Auto power-off feature saves battery life.
Multiple conductivity ranges for versatile use.
Clear display for easy reading of results.
Durable design for long-lasting performance.
Ideal for aquariums, pools, and hydroponics.
Average Rating out of 5:
Price Range: $135.07
11
High conductivity standard at 12,880 µS.
Ideal for TDS and conductivity calibration.
500 mL volume for extensive usage.
Resistivity value for precise measurements.
Conductivity-to-TDS conversion for NaCl solutions.
Ready-to-use solution for laboratory applications.
Ensures accurate testing and reliable results.
Average Rating out of 5:
Price Range: $21.62
12
Accurate EC and TDS measurements for water quality.
Wide TDS range: 0-5000 ppm for versatility.
1 ppm resolution ensures precise readings every time.
2% readout accuracy for reliable performance.
Features automatic temperature compensation for consistent results.
Water-resistant design for durability in various conditions.
Ideal for nutrient testing in hydroponics and aquariums.
Average Rating out of 5:
Price Range: $26.99
Color: White
13
Accurate TDS measurement up to 1999 ppm.
Lightweight and portable design for convenience.
Includes a protective vinyl carrying case.
Auto hold function for easy reading.
Auto shut off to conserve battery life.
Ideal for testing drinking water quality.
Simple one-button operation for user-friendly experience.
Average Rating out of 5:
Price Range: $18.79
Material: Plastic
14
3-in-1 tester for TDS, EC, and temperature.
Range from 0 to 9990 ppm for accurate testing.
Easy button operation, no calibration required.
Auto shut-off feature to save battery life.
Compact design for portability and easy storage.
Large backlit LCD for clear readings.
Ideal for drinking water, pools, and aquariums.
Average Rating out of 5:
Price Range: $10.90
Material: plastic
15
High accuracy with ±1% F.S measurement.
Auto calibration with buffer recognition feature.
Temperature compensation for accurate readings.
Large LCD with three backlit color modes.
Dual display for temperature and conductivity readings.
One-tap switch between EC, TDS, and Salinity.
Complete kit with calibration solutions and accessories.
Average Rating out of 5:
Price Range: $93.56
Color: blue
Material: Stainless Steel
16
High accuracy: ±1% F.S, ±0.5˚C
Wide range: 0-10,000 ppm (10 ppt)
EASY auto calibration with buffer recognition
Automatic temperature compensation from 0 to 50˚C
Large LCD displays temperature and TDS readings
Complete kit with calibration solutions and accessories
Up to 1000 hours of operation on AAA batteries
Average Rating out of 5:
Price Range: $54.32
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Dual standards for accurate water testing.
Six testing modes for diverse applications.
Large horizontal display for easy reading.
No calibration needed for accuracy.
Automatic temperature compensation for reliable results.
Compact design for portability and convenience.
365-day return policy and responsive customer service.
Price Range: $12.99
18
Measures conductivity, resistivity, TDS, pH, and ORP.
Auto-ranging for easy and accurate measurements.
Adjustable temperature compensation for reliable results.
Date and time stamp for record keeping.
LSI/hardness calculator for water quality assessment.
Compact design for portability and convenience.
Durable construction for long-lasting use.
Average Rating out of 5:
Price Range: $1,300.00
19
35cm long design for easy mixing and measuring.
Two TDS measurement scales: PPM 500 and PPM 700.
Measures EC, PPM, CF, and temperature accurately.
Suitable for various hydroponic systems and applications.
Calibrated before shipment for immediate use.
One-button lock for easy reading and recording.
Includes calibration solution for future adjustments.
Average Rating out of 5:
Price Range: $39.99
20
Handheld device for easy conductivity testing.
Visual indicator with green LED conductivity levels.
Two brass probes for solid or liquid testing.
Probes measure 53mm long and 3mm wide.
Overall length: 14cm including probes.
Includes 12V battery for immediate use.
Ideal for home, classroom, or laboratory applications.
Average Rating out of 5:
Price Range: $28.86
Color: Black
21
Calibration solution for conductivity probes
Ideal for saltwater applications
Ensures accurate and reliable readings
Recommended calibration every 3-6 months
Easy to use and apply
Compatible with Neptune Systems Apex systems
High-quality and precise formulation
Average Rating out of 5:
Price Range: $8.99
22
Accurate TDS measurement for various water sources.
Titanium alloy probe for durability and precision.
Wide range: 0-9999 ppm for versatile testing.
Perfect for drinking water, pools, and aquariums.
Easy-to-read digital display for quick results.
Compact design for convenient portability and storage.
Ideal for hydroponics and wine brewing testing needs.
Average Rating out of 5:
Price Range: $12.99
23
Measures pH, conductivity, TDS, salinity, and temperature.
Waterproof design for durability in various environments.
Flat surface pH electrode for accurate readings.
Auto-ranging feature for high accuracy measurements.
Displays nine measurement units for versatility.
Analog bargraph shows real-time trends effectively.
Memory stores up to 25 labeled readings.
Average Rating out of 5:
Price Range: $195.58
24
Simultaneously measures TDS and EC levels.
Compact inline design for easy integration.
Upgraded from popular DM-2/DM-2EC models.
Measures TDS up to 9990 ppm accurately.
Displays EC levels up to 9990 μS/cm.
Large, backlit LCD for clear visibility.
Includes two 1/4 tee fittings for installation.
Average Rating out of 5:
Price Range: $51.50
25
Compatible with PC60-Z and PC60 testers.
Measures pH, conductivity, TDS, salinity, resistivity, temperature.
Ideal for general water solution testing.
Double-Junction design for complex solutions.
Unique blue sensor prevents air bubble generation.
Brush-Resistant Platinum Black sensor ensures accuracy.
Extends service life of the probe.
Average Rating out of 5:
Price Range: $69.99
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15ml capacity for optimal use.
Conductive gel enhances nerve stimulation.
Reapply every 2-3 hours for effectiveness.
Improves electrode contact and conductivity.
Ideal for use with EmeTerm devices.
Non-irritating, safe for skin application.
Compact size for easy portability.
Average Rating out of 5:
Price Range: 0
Material: Hypoallergenic
