
HM Digital Pro PH-200 pH Temp Meter

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Is the HM Digital Pro PH-200 pH Temp Meter the Right Choice for You?
If you're looking for a precise and user-friendly pH and temperature testing device, the HM Digital Pro PH-200 is a great option. Designed for hydroponics, aquariums, spas, and water purification, this compact digital meter delivers fast and reliable pH and temperature readings. With automatic calibration, simultaneous measurement display, and a large, easy-to-read LCD screen, the PH-200 ensures effortless operation.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
HM Digital Pro PH-200 pH Temp Meter
The HM Digital Pro PH-200 is a high-precision digital meter designed for accurate pH and temperature measurement. Ideal for hydroponics, aquariums, water purification, and scientific applications, this compact device ensures fast and reliable readings.

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Measures both pH and temperature simultaneously.
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One-touch calibration for accuracy.
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Large LCD for clear readings.
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Water-resistant for durability.
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Battery-powered with auto shut-off.
Why Choose the HM Digital Pro PH-200 pH Temp Meter?
The HM Digital Pro PH-200 is a professional-grade pH and temperature meter designed for precision and ease of use. Perfect for hydroponics, aquariums, water purification, and laboratory testing, this meter delivers fast and accurate measurements to maintain optimal water conditions. With its digital one-touch calibration, automatic temperature compensation, and a large, easy-to-read LCD display, the PH-200 ensures hassle-free operation. Its compact, water-resistant design makes it durable and portable, offering long-term reliability for both professional and everyday water testing needs.
Why HM Digital?
HM Digital is a trusted name in water quality testing, offering innovative and reliable solutions for growers, aquarium enthusiasts, and professionals. Designed for precision, its advanced meters provide accurate TDS and temperature readings, ensuring optimal water conditions. With user-friendly features like digital calibration and a durable, water-resistant design, HM Digital products help you maintain consistency and efficiency in your water monitoring routine.

Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
FAQ Section








Specifications
HM Digital Pro PH-200 pH Temp Meter Specifications | |
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pH Measurement Range | 0 – 14.00 pH |
Temperature Measurement Range | 0 – 55 °C / 32 – 130 °F |
Resolution | pH: 0.01 | Temperature: 0.1°C / 0.1°F |
Accuracy | pH: ± 0.1 pH | Temperature: ± 1% |
Minimum Conductivity/TDS Detection | 5 µS / 10 ppm |
Automatic Temperature Compensation (ATC) | Yes |
Electrode Type | Replaceable glass sensor and reference tube electrodes |
Housing | Waterproof (IP-67), floats on water |
Power Source | 2 x AAA Batteries (included) |
Display | Large, easy-to-read LCD with simultaneous pH and temperature readings |
Calibration | One-touch digital calibration for quick and precise adjustments |
Auto-Off Function | Yes, to conserve battery life |
Data Hold Function | Allows for easy recording of readings |
Dimensions | 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) |
Weight | 96.4 g (3.4 oz) |
Usage | Ideal for hydroponics, drinking water, aquariums, pools, spas, and water treatment applications |
What's Included?
The HM Digital Pro PH-200 pH Temp Meter package includes:
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HM Digital Pro PH-200 Pen-style pH/Temperature Meter for precise water quality testing
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Replaceable glass sensor electrode for accurate pH measurement
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pH 4.0 and pH 7.0 calibration solutions (2 x 20ml packets) for easy recalibration
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pH Electrode Storage Solution (20ml packet) to extend the lifespan of the sensor
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Protective cap to shield the electrode when not in use
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2 x AAA batteries (pre-installed) for immediate use
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User manual with calibration and troubleshooting instructions
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Durable carrying case for easy storage and portability

Warranty Policy
Please check out the manufacturers website for Warranty related issues.