HM Digital Pro Series Pen Style pH/Temperature Meter

Professional Water Quality Testing with Accurate pH and Temperature Measurement

The HM Digital Pro Series Pen Style pH/Temperature Meter is a reliable and highly accurate testing instrument designed for growers, hydroponic systems, aquaculture, water treatment, laboratories, and general water quality monitoring. Featuring a compact pen-style design, this professional-grade meter provides fast and precise pH and temperature readings to help maintain optimal nutrient solutions, irrigation water, reservoirs, and other water-based applications.

Built with advanced sensor technology, the HM Digital Pro Series Meter offers easy calibration, automatic temperature compensation (ATC), and a user-friendly digital display for quick and accurate measurements. Whether you're managing a commercial cultivation facility, greenhouse, hydroponic garden, or water treatment operation, this meter helps ensure your water parameters remain within the ideal range for maximum performance and productivity.

Key Features

• Measures both pH and temperature
• High-accuracy digital sensor technology
• Automatic Temperature Compensation (ATC)
• Easy one-touch calibration
• Fast response time for instant readings
• Waterproof and durable pen-style design
• Large, easy-to-read LCD display
• Ideal for hydroponics, aquaponics, irrigation, reservoirs, and water treatment
• Compact and portable for field or laboratory use
• Long battery life for extended operation

Applications

The HM Digital Pro Series pH/Temp Meter is commonly used for:

• Hydroponic growing systems
• Commercial cannabis cultivation
• Aquaponics and aquaculture
• Greenhouses and nurseries
• Water filtration systems
• Drinking water testing
• Laboratories and research facilities
• Nutrient reservoir monitoring
• Irrigation water testing
• Environmental water analysis

Why Monitor pH?

Maintaining proper pH levels is critical for nutrient uptake and plant health. When pH levels drift outside the recommended range, plants can experience nutrient lockout, reduced growth, and lower yields. The HM Digital Pro Series Meter allows growers and water professionals to quickly identify and correct pH imbalances before they impact performance.

Frequently Asked Questions

What does the HM Digital Pro Series Meter measure?

The meter measures both pH and water temperature, providing essential data for hydroponics, irrigation, aquaculture, and water quality management.

Is the meter suitable for hydroponic growing?

Yes. The HM Digital Pro Series Meter is specifically designed for hydroponics and is widely used to monitor nutrient solution pH and temperature.

Does the meter have automatic temperature compensation?

Yes. Automatic Temperature Compensation (ATC) helps ensure accurate pH readings even when water temperatures fluctuate.

How often should I calibrate the meter?

For best accuracy, calibrate the meter regularly based on usage frequency. Commercial growers often calibrate weekly or before critical measurements.

Can I use this meter for drinking water testing?

Yes. The meter can be used for testing pH levels in drinking water, filtration systems, and purified water applications.

Is the meter waterproof?

The HM Digital Pro Series features a durable water-resistant design suitable for routine field and laboratory use.

How accurate is the HM Digital Pro Series Meter?

The meter is designed to provide highly accurate pH and temperature measurements when properly calibrated and maintained.

Can I use this meter in aquariums or aquaculture systems?

Absolutely. It is commonly used for monitoring water quality in aquariums, fish farms, and aquaculture operations.

What temperature range can the meter measure?

The meter measures water temperature alongside pH readings, making it ideal for applications where temperature affects water quality and nutrient availability.

Why is pH important in hydroponics?

Proper pH ensures plants can absorb essential nutrients efficiently. Incorrect pH levels may lead to nutrient deficiencies, poor growth, and reduced yields.

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The PH-200 is a professional grade pH/Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture.

Features
Waterproof housing (IP-67 rating)
Digital automatic calibration (one point), with digital fine tuning
Automatic Temperature Compensation (ATC)
Auto-off function, data-hold function and low-battery indicator
Easy-to-read LCD screen with simultaneous temperature display
Replaceable Sensor (model SP-P2)
Factory Calibrated: The PH-200 meter is three-point checked and factory calibrated to pH 7.0.
UPGRADED: Includes a translucent cap, 2 Triple A (AAA) batteries, lanyard, and pH 7.0 buffer (sachet)

Specificaitons
pH Range: 0 – 14
Temperature Range: 0-55 °C; 32-130 °F
Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F
Accuracy: +/- 0.1 pH; Temperature accuracy is +/-1%
Minimum EC/TDS: 5 uS/10 ppm
Electrode: Replaceable glass sensor and reference tube electrodes
Housing: IP-67 Waterproof (submersible; floats)
UPGRADED: Power source: 2 x Triple A (AAA) included
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)