Together with our growers, who are familiar with metering products, we have created our guide to the best digital ph meters for 2022.
1. The cheapest Combo meters for hydroponics
Kit Milwaukee PH 600 + CD 611: despite being an economical Combo tester, it has an excellent degree of reliability and precision.
As regards the electroconductivity of CD 611, the values ??are:
- EC ACCURACY: ± 2% Full Scale
- RANGE: 0 to 20,000 µS / cm
As for the pH meter
- ACCURACY: ± 0.1% Full Scale
- RANGE: RANGE: 0.0 - 14.0 pH
PH600
The Milwaukee pH600 Compact Pen Tester is specifically designed to help maintain aquariums and aquaculture. Maintaining the correct pH improves aquarium fish results and quality in a range of aquaculture farmed fish, as well as growing plants in hydroponic cultivation, where pH levels are essential for strong thriving and high yields.
Main characteristics
- Fast and accurate results with LCD digital readout
- Easy measurement - just place the probe in the sample, mix gently and wait for the reading to stabilize
- Simple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect it from accidental splashes
- Hood to protect the pH sensor and keep it moist when stored in an upright position
- Low energy demand for longer battery life
CD 611
The Milwaukee Conductivity Pen is designed for hydroponic and other growers to help you make sure your plants are getting the right amount of nutrients. Keep the EC in your target range for best results.
Main characteristics
- Conductivity and temperature measurement with automatic temperature compensation
- Ideal range for hydroponics (0 to 20,000 µS / cm)
- Units in µS / cm easily convertible into ppm
- Factory calibrated with the ability to recalibrate if needed
- 350 hours of continuous use (3 x 1.5V batteries included)
2. The best Combo Waterproof meter for hydroponics
HANNA HI-98131 PH/EC/TDS - GROLINE COMBO: pH meter with TDS EC 2 in 1 temperature meter. It is a slim, light and waterproof pocket digital meter that measures pH, conductivity, TDS and temperature. This versatile pocket meter is designed for hydroponic, greenhouse and agricultural applications. The operation of the counter is simplified with two buttons. One is used for power on / off and calibration, while the other is used to switch between measurement modes. The HI-98131 has advanced features, including a selectable EC to TDS conversion factor (0.5 - 500ppm and 0.7 - 700ppm). The GroLine HI-98131 tester features a large multilevel LCD display that simultaneously displays pH, EC or TDS and temperature readings. The pH readings are displayed with a resolution of 0.01, while the EC and TDS readings are displayed with a resolution of 0.01 mS / cm and 10 ppm (mg / L). An exposed temperature sensor allows for quick temperature compensated measurements of EC and TDS. The LCD screen has indicators for calibration status and stability. The battery percentage level is displayed at startup, alerting the user of the remaining battery power available.
Main characteristics
- 3 sensors in one tool
- PH electrode with extractable fiber junction
- EC / TDS amperometric sensor
- Temperature probe for faster EC / TDS measurements
- Waterproof
- The pH range is from 0.00 to 14.00 pH
- Conversion factor to be chosen between 0.5 or 0.7
- Automatic temperature compensation
- All measurements are compensated for temperature variations.
- Temperature displayed in oC or oF along with pH, ??EC or TDS measurements.
- Stability indicator
- Automatic shutdown
- Low battery indicator
- Automatic shutdown selectable between 8 minutes, 60 minutes, or disabled.
3. The best professional combo meters for hydroponics
Bluelab Guardian Monitor Connect Inline: the large backlit LED display of the Bluelab Guardian Monitor Connect Inline allows you to view pH, EC and temperature at a glance. You can also set up discrete visual alarms for your favorite parameter ranges; these will notify you when the set parameters are out of range. This ensures that you are always up to date with the conditions of the nutrient supply line. Made with growers, for growers - this means you can rest assured that your Bluelab Guardian Monitor Connect Inline Waterproof can withstand the splashes that come with daily growing.
Main characteristics
- 24/7 monitoring of pH, EC and temperature directly in the irrigation line and nutrients
- View nutrient feed parameters on your mobile no matter where you are
- Large backlit display for immediate viewing
- High and low alarms to alert you when your parameters are out of range
- Rugged in-line pH probes can withstand line pressure and turbulence
- Easy screw mount (1 "NPT thread) to remove pH and conductivity probes for calibration and routine cleaning
- Easy pH calibration with on-screen instructions
- 2 meter cable length for best positioning and viewing
- Flexible mounting options for walls, posts and racks
- Easy to clean display built for clean environments
4. The best pocket hydroponics meters with LCD screen and external probe
MILWAUKEE PH/EC MW802: 3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one meter and one probe! The MW802, with a conductivity range up to 6.00 mS / cm and TDS up to 4000 ppm, is ideal for testing in agricultural production. Soil and well water pH that is too acidic or alkaline can have a negative effect on plant nutrients and water uptake and directly affect the efficiency of fertilizers, herbicides and pesticides. Supplied with the SE600 interchangeable probe for pH, Conductivity and TDS measurement. The pH electrode uses a fiber junction to reduce contamination when measuring fertilizer solutions.
Main characteristics
- PH range from 0.00 to 14.00 pH
- EC range from 0.00 to 6.00 mS / cm
- TDS range from 0 to 4000 ppm
- pH Resolution 0.10 pH
- CE resolution 0.01 mS / cm
- TDS resolution 10 ppm
- PH accuracy ± 0.20 pH
- EC / TDS accuracy ± 2% full scale
- Calibration Solutions M10007 (pH 7.01)
- M10032 (1382 ppm)
- M10031 (1413 mS / cm)
- Conversion factor 0.5
- Calibration manual, 1 point
- Automatic temperature compensation, from 0 to 50 ° C
- SE600 probe Combined pH / EC / TDS probe
- Environment 0 to 50 ° C / 32 to 122 ° F; RH max 95%
- Battery type / Lyfe battery 1 x 9V alkaline / 150 hours of use
5. The best Combo meters for Hydroponics and Earth
Groline HI-9814 Misuratore portatile a tenuta stagna di Ph/EC/TDS : the HI9814 is a slim, lightweight, waterproof portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single amplified probe. Operation of the meter is simple with just two buttons. One is used for power on / off and calibration, while the other is used to switch between measurement modes. The HI9814 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500ppm and 0.7 - 700ppm). The HI9814 portable meter features a large multi-level LCD screen that simultaneously displays pH, EC or TDS and temperature measurements. The pH readings have a resolution of 0.01 and an accuracy of +/- 0.01 pH, while the EC and TDS readings have a resolution of 0.01 mS / cm and 10 ppm (mg / L) and an accuracy of the full scale of 2%. The HI9814 EC range is from 0.00 to 6.00 mS / cm and the TDS range is from 0 to 3000 ppm using the conversion factor 0.5. The EC to TDS conversion factor is selectable between 0.5 (500ppm) and 0.7 (700ppm). An integrated temperature sensor allows automatic measurement of compensated temperature in EC and TDS. The product is supplied with a probe for Hydroponics, but it is possible to interchange the probe with the HI-17 suitable for soil testing, available separately.
Main characteristics
- 3 sensors in one probe
- PH electrode - Preamplified which avoids interference caused by electrical disturbances including those generated by pumps and reactors.
- EC / TDS sensor - Two pole amperometric design.
- Temperature - NTC sensor for precise temperature measurement and compensation.
- Waterproof
- Designed to resist moisture in a plant growing environment
- PH range from 0.00 to 14.00
- Selectable EC to TDS conversion factor
- Choice of 0.5 or 0.7 conversion factor 0.5 (500 CF) for 1000 µS / cm readings = 500 ppm 0.7 (700 CF) for 1000 µS / cm readings = 700 ppm
- All readings are compensated for temperature variations. Available temperature in ° C or ° F
- The meter displays a clock that disappears when the reading is stable.
- Freezes the reading on the screen to allow recording of measurements.
- BEPS (Battery Error Prevention System)
- Low battery indicator
- Automatic shutdown
- “Quick Cal” mode to calibrate pH and EC / TDS with one solution
Remember: you have the last word!
We show you our selection, only you, however, know what you are looking for in that product. For a wider choice, visit our catalog!